CN208383238U - A kind of liquid level meter - Google Patents

Abstract

The utility model discloses a kind of liquid level meters, it is related to liquid level emasuring device, it solves when medium temperature changes in pressure vessel, glass tube can usually cause the explosion of glass tube since temperature fluctuation is excessive, cause the problem of medium flows out in pressure vessel, its key points of the technical solution are that a kind of liquid level meter, including symmetrically arranged liquid level meter ontology and the glass tube that the two is connected, the liquid level meter ontology has the fluid inlet for communicating with pressure vessel and entering for fluid, the liquid flow cavity for communicating the fluid outlet for fluid outflow with glass tube and fluid inlet and fluid outlet being connected, the sealing element of liquid flow cavity opening and closing will be controlled by being additionally provided on the liquid level meter ontology, the sealing element is controlled by an elevating lever, liquid level meter can be blocked in time in glass pipe explosion, avoid the excessive bleed of medium in pressure vessel.

Description

A kind of liquid level meter

Technical field

The utility model relates to liquid level emasuring device, in particular to a kind of liquid level meter.

Background technique

Liquid level meter is the measuring device for measuring pressure vessel internal liquid level position, currently on the market or every profession and trade pressure Liquid level meter used in force container is all plate level gauge mostly.

Plate level gauge is mostly directly to be welded on pressure vessel wall, there is a through slot or liquid level slot and pressure among liquid level meter Force container communicates, and liquid level meter is symmetrical arranged two and in the glass tube being connected to the two liquid level slot is arranged between the two, leads to Cross glass tube observation pressure vessel in liquid level height (under normal circumstances, medium enters glass by liquid level slot from pressure vessel In pipe).

Since the coefficient of expansion of glass tube is lower, when medium temperature changes in pressure vessel, glass tube usually can The explosion that glass tube is caused since temperature fluctuation is excessive causes medium in pressure vessel to continuously outflow.

Utility model content

The purpose of the utility model is to provide a kind of liquid level meters, and liquid level meter will can be blocked in time in glass pipe explosion, Avoid the excessive bleed of medium in pressure vessel.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of liquid level meter, including symmetrically arranged liquid level meter ontology and the glass tube that the two is connected, the liquid level meter Ontology have communicated with pressure vessel the fluid inlet entered for fluid, communicate with glass tube the fluid outlet flowed out for fluid with And the liquid flow cavity that fluid inlet is connected with fluid outlet, being additionally provided on the liquid level meter ontology will control liquid flow cavity opening and closing Sealing element, the sealing element is controlled by an elevating lever.

Pass through elevating lever band when glass tube causes explosion since temperature fluctuation is excessive by using above-mentioned technical proposal Liquid flow cavity closing can be prevented the outflow of medium in pressure vessel by dynamic seal.

Preferably, one end wears to liquid level meter outer body and is threaded with rotating handles on the elevating lever, it is described Elevating lever is non-circular, the outlet shapes and liter that the liquid level meter ontology is pierced by for elevating lever close to the cross section of ball sealer one end Drop bar is identical close to the cross section of ball sealer one end, and one end of the rotating handles towards liquid level meter ontology is provided with positioning seat, The locating slot being embedded in for positioning seat is offered on the liquid level meter ontology, is provided with annular protrusion on the peripheral wall of the positioning seat, The annular groove being embedded for annular protrusion is offered on the locating slot.

By using above-mentioned technical proposal, rotating handles are inlaid in the locating slot of liquid level meter ontology by positioning seat, and By annular protrusion and annular groove realize above and below positioning, rotating handles are threaded on elevating lever, and elevating lever due to Cross section close to ball sealer one end be it is non-circular, the outlet shapes and elevating lever that liquid level meter ontology is pierced by for elevating lever are close to close The cross section of blocking one end is identical, realizes the elevating lever circumferentially axial unlimited position of limit, during rotating handles rotation, energy It is enough that the height of elevating lever is adjusted, so as to the opening and closing with dynamic seal control liquid flow cavity.

Preferably, being fixedly connected with protective cover on the rotating handles, the protective cover has for elevating lever activity liter The activity interval of drop.

By using above-mentioned technical proposal, by being fixedly connected with protective cover on rotating handles, protective cover has behaviour area Between will not influence the lifting of elevating lever, and protective cover can protect elevating lever, avoid elevating lever from meeting water and cause corrosion Accelerate.

Preferably, the glass tube two sides have the connecting tube of insertion fluid outlet, the connecting tube passes through a connection Structure is detachably connected on liquid level meter ontology.

By using above-mentioned technical proposal, the design being detachably connected by glass tube, the energy when glass tube bursts It is enough that conveniently glass tube is replaced.

Preferably, the connection structure includes a conical pipe and clamping seats, have on the clamping seats for conical pipe It is relatively large in diameter the embedded mounting groove in one end, described lesser one end of taper pipe diameter is protruded into fluid inlet, on the clamping seats It is provided with the adjusting bolt that clamping seats are connected to liquid level meter ontology and are adjusted distance between the two.

By using above-mentioned technical proposal, conical pipe is arranged on clamping seats, and connecting tube enters fluid across conical pipe and goes out Mouthful, the distance between clamping seats and liquid level meter ontology are adjusted by adjusting bolt by clamping seats, so that conical pipe is clamped in The fluid outlet position of liquid level meter ontology is simultaneously clamped connecting tube by conical pipe, when needing to change glass tube, it is only necessary to will It adjusts bolt to unscrew, separates clamping seats with liquid level meter ontology, then taking out conical pipe can be carried out the replacement of glass tube.

Preferably, the rotating handles include the inner ring for being provided with positioning seat, for manpower hold rotation outer ring and Connect several connecting rods of inner ring and outer ring.

By using above-mentioned technical proposal, by setting inner ring and outer ring for rotating handles, and make inner ring and outer ring It is connected by several connecting rods, the using effect of rotating handles can not be influenced while saving material.

Preferably, the sealing element has a spherical far from one end of elevating lever, the liquid flow cavity and fluid inlet and The communicating position of fluid outlet is the cambered surface to fit with spherical, when the sealing element closes liquid flow cavity, the liquid flow cavity It is closed with the communication port of fluid inlet and fluid outlet.

It is being sealed by using above-mentioned technical proposal by setting spherical far from one end of elevating lever for sealing element When part closes liquid flow cavity, liquid flow cavity is closed with the communication port of fluid inlet and fluid outlet, can be improved to liquid level meter Sealing effect, to further avoid the outflow of medium in pressure vessel.

Preferably, the protective cover is made of transparent plastic.

It, can be through protective cover to lifting by the way that protective cover transparent plastic is made by using above-mentioned technical proposal The connection of bar and rotating handles is monitored.

In conclusion the utility model has the following beneficial effects:

1. rotating handles rotation can drive the lifting of elevating lever progress vertical direction, to control sealing element for liquid flow cavity Block, when can be avoided glass pipe explosion in pressure vessel medium outflow；

2. being arranged on clamping seats by conical pipe, connecting tube passes through conical pipe and enters fluid outlet, logical by clamping seats It overregulates bolt and adjusts the distance between clamping seats and liquid level meter ontology, so that conical pipe to be clamped in the fluid of liquid level meter ontology Outlet port is simultaneously clamped connecting tube by conical pipe, when needing to change glass tube, it is only necessary to will be adjusted bolt and be unscrewed, make to press from both sides Tight seat is separated with liquid level meter ontology, and then taking out conical pipe can be carried out the replacement of glass tube.

Detailed description of the invention

Fig. 1 is structural schematic diagram when liquid level meter uses；

Fig. 2 is the cross-sectional view of liquid level meter；

Fig. 3 is the enlarged drawing in Fig. 2 at A；

Fig. 4 is the perspective view of the explosion of connection structure.

In figure, 1, liquid level meter ontology；11, fluid inlet；12, fluid outlet；13, liquid flow cavity；14, sealing element；141, ball Shape face；15, elevating lever；151, thread segment；152, linkage section；16, rotating handles；161, inner ring；1611, positioning seat；1612, ring Shape protrusion；162, outer ring；163, connecting rod；17, locating slot；171, annular groove；18, protective cover；181, activity interval；2, glass Glass pipe；21, connecting tube；3, connection structure；31, conical pipe；32, clamping seats；321, mounting groove；33, bolt is adjusted；4, pressure is held Device.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Referring to Figures 1 and 2, the utility model proposes a kind of liquid level meter, including symmetrically arranged liquid level meter ontology 1 and The glass tube 2 that two liquid level meter ontologies 1 are connected, wherein liquid level meter ontology 1 has the stream for communicating with pressure vessel 4 and entering for fluid Body entrance 11 communicates for the fluid outlet 12 of fluid outflow with glass tube 2 and fluid inlet 11 and fluid outlet 12 is connected Logical liquid flow cavity 13.

Referring to Fig. 2 and Fig. 3, the sealing element 14 that control liquid flow cavity 13 opens and closes is provided in liquid flow cavity 13, sealing element 14 is controlled In an elevating lever 15, sealing element 14 has spherical 141, liquid flow cavity 13 and fluid inlet 11 and stream far from one end of elevating lever 15 The communicating position of body outlet 12 is the cambered surface to fit with spherical 141, when sealing element 14 closes liquid flow cavity 13, liquid flow cavity 13 are closed with the communication port of fluid inlet 11 and fluid outlet 12.

Referring to Fig. 3 and Fig. 4, elevating lever 15 includes to be pierced by 1 thread segment 151 of liquid level meter ontology and be connected with sealing element 14 Linkage section 152.The cross section of its middle connecting segment 152 is semi-circular structure, and liquid level meter ontology 1 goes out for what linkage section 152 installed Mouth-shaped is identical as the cross section of linkage section 152；Thread segment 151 is worn outer to liquid level meter ontology 1 and is threaded with rotating handles 16, rotating handles 16 include the inner ring 161 being threadedly coupled with thread segment 151, the outer ring 162 held for manpower and by inner ring The 161 several connecting rods 163 being connected with outer ring 162, in the present embodiment there are three the circumferential spaced sets of connecting rod 163.

One end of inner ring 161 towards liquid level meter ontology 1 is provided with positioning seat 1611 and sets in the surrounding place side of positioning seat 1611 It is equipped with annular protrusion 1612, is provided on liquid level meter ontology 1 for the embedded locating slot 17 of positioning seat 1611 and in locating slot 17 The annular groove 171 being embedded for annular protrusion 1612 is offered on cell wall, the cross section of annular protrusion 1612 is in the present embodiment Hemispherical, so that convenient be during installation fit into annular protrusion 1612 in annular groove 171.

Protective cover 18 is fixedly connected on rotating handles 16, protective cover 18 is that transparent plastic is made and inside has for lifting The activity interval 181 of 15 mobile lifting of bar.

Referring to Fig. 2 and Fig. 4,2 two sides of glass tube have the connecting tube 21 of insertion fluid outlet 12, and liquid level meter ontology 1 is in stream The connection structure 3 that connecting tube 21 is fixed is provided at body outlet 12.Connection structure 3 includes a conical pipe 31 and clamping seats 32, the diameter at fluid inlet 11 is greater than the minimum diameter of conical pipe 31 and is greater than the maximum gauge of conical pipe 31, clamping seats 32 Above with the embedded mounting groove 321 in one end is relatively large in diameter for conical pipe 31, conical pipe 31 is deformable plastic tube, conical pipe 31 The lesser one end of diameter is protruded into fluid inlet 11, is provided on clamping seats 32 and clamping seats 32 are connected simultaneously with liquid level meter ontology 1 Adjust the adjusting bolt 33 of distance between the two.

Application method:

When glass tube 2 bursts, is rotated by rotating handles 16 and drive elevating lever 15 to carry out lifting to control close Liquid flow cavity 13 is closed by the spherical 141 of sealing 14 with the communication port of fluid inlet 11 and fluid outlet 12, to avoid The outflow of medium in pressure vessel 4；Bolt 33 will then be adjusted to unscrew, clamping seats 32 are separated with liquid level meter ontology 1, take out cone Shape pipe 31 can be carried out the replacement of glass tube 2.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of liquid level meter, including symmetrically arranged liquid level meter ontology (1) and the glass tube (2) that the two is connected, the liquid Face meter ontology (1), which has, to be communicated the fluid inlet (11) for fluid entrance with pressure vessel (4), communicates with glass tube (2) for stream The fluid outlet (12) of body outflow and the liquid flow cavity (13) that fluid inlet (11) is connected with fluid outlet (12), feature It is, the sealing element (14) of liquid flow cavity (13) opening and closing, the sealing element will be controlled by being additionally provided on the liquid level meter ontology (1) (14) it is controlled by an elevating lever (15).

2. a kind of liquid level meter according to claim 1, which is characterized in that one end is worn to liquid level meter on the elevating lever (15) It on the outside of ontology (1) and is threaded with rotating handles (16), the elevating lever (15) is non-close to the cross section of ball sealer one end Circle, outlet shapes that the liquid level meter ontology (1) is pierced by for elevating lever (15) and elevating lever (15) are close to ball sealer one end Cross section is identical, and one end of rotating handles (16) towards the liquid level meter ontology (1) is provided with positioning seat (1611), the liquid level The locating slot (17) being embedded in for positioning seat (1611) is offered on meter ontology (1), is arranged on the peripheral wall of the positioning seat (1611) Have annular protrusion (1612), the annular groove (171) being embedded for annular protrusion (1612) is offered on the locating slot (17).

3. a kind of liquid level meter according to claim 2, which is characterized in that be fixedly connected with guarantor on the rotating handles (16) Shield (18), the protective cover (18) have the activity interval (181) for elevating lever (15) mobile lifting.

4. a kind of liquid level meter according to claim 1, which is characterized in that glass tube (2) two sides have insertion fluid The connecting tube (21) of (12) is exported, the liquid level meter ontology (1) is provided with connecting tube (21) are fixed at fluid outlet (12) Connection structure (3).

5. a kind of liquid level meter according to claim 4, which is characterized in that the connection structure (3) includes a conical pipe (31) and clamping seats (32), have on the clamping seats (32) and be relatively large in diameter the embedded mounting groove in one end for conical pipe (31) (321), the lesser one end of conical pipe (31) diameter is protruded into fluid inlet (11), be provided on the clamping seats (32) by Clamping seats (32) are connected with liquid level meter ontology (1) and adjust the adjusting bolt (33) of distance between the two.

6. a kind of liquid level meter according to claim 3, which is characterized in that the rotating handles (16) include being provided with positioning Seat (1611) inner ring (161), for manpower hold rotation outer ring (162) and connection inner ring (161) and outer ring (162) if Involvement extension bar (163).

7. a kind of liquid level meter according to claim 1, which is characterized in that the sealing element (14) is far from elevating lever (15) One end has spherical (141), the communicating position of the liquid flow cavity (13) and fluid inlet (11) and fluid outlet (12) for The cambered surface that spherical (141) fits, when the sealing element (14) closes liquid flow cavity (13), the liquid flow cavity (13) and fluid The communication port of entrance (11) and fluid outlet (12) is closed.

8. a kind of liquid level meter according to claim 3, which is characterized in that the protective cover (18) is made of transparent plastic.