CN206798264U - A kind of safety-type internal-floating cover of stock tank of overturning-preventing - Google Patents

Abstract

The utility model discloses a kind of safety-type internal-floating cover of stock tank of overturning-preventing, including main body, main body is disc-shaped structure and outer sheath is provided with sealing ring, the upper end of main body inwardly offers gas-floating chamber, some floating drums are placed with gas-floating chamber, the open-mouth of gas-floating chamber is provided with cover plate, and main body uniformly offers anti-rotational pilot hole close to edge, guide rod is slidably connected in anti-rotational pilot hole, guide rod both ends are fixed by fixed seat and tank inside wall；The periphery that main body is located at gas-floating chamber uniformly offers pressure release stomata, and pressure release stomata is in up-narrow and down-wide, and inside is provided with movable air valve, and movable air valve includes adjustable pipe, lower limit ring and upper limit position block, and the upper end of adjustable pipe offers some steam vents for enclosing and being connected with inner chamber.The utility model is reasonable in design, and main body carries out guiding movement by guide rod, effectively avoids rotating and toppling over the appearance of phenomenon；Main body is provided with the pressure release stomata of multiple band activity air valves, has self-relieving function.

Description

A kind of safety-type internal-floating cover of stock tank of overturning-preventing

Technical field

It the utility model is related to storage tank accessory technical field, and in particular to a kind of safety-type internal-floating cover of stock tank of overturning-preventing.

Background technology

Interior floating plate is swum on petroleum storage tank liquid level with the floating top cover of oil product oscilaltion, can reduce petroleum storage During volatilization consume, save the energy, reduce and potential safety hazard and reduce environmental pollution.The liquid input and output of petroleum storage tank Passage is arranged at the bottom of petroleum storage tank.When needing oil being input to petroleum storage tank, it is necessary to by compression pump by oil It is pushed into by force in petroleum storage tank.And oil can cause the inwall institute of interior floating plate and petroleum storage tank again when entering petroleum storage tank The confined space of composition rapidly reduces and produces higher air pressure.Although interior floating plate can with oil liquid level rise and on It is floating, but oil enters caused higher air pressure and is easy to quickly up pushing away interior floating plate into floating plate even in damage by force.

Patent No. CN201620328144.4 Chinese utility model patent discloses a kind of dangerous chemical liquid storage tank Interior floating plate, including：Main body；Sealing ring；And pressure release air chamber, the pressure release air chamber are connected in main body and match perforation；Pressure release The top of air chamber is provided with exhaust passage and the movable air valve at exhaust passage；The bottom of pressure release air chamber is provided with can be towards pressure release The dividing plate of the flip-top of air chamber and the limited block for supporting clapboard；What movable air valve included being sequentially connected is located at pressure release air chamber Outside sealed end, the connection end through exhaust passage and the positive stop end in pressure release air chamber.Above-mentioned hazardous chemical liquid storage The interior floating plate of tank, before air pressure is not up to threshold value, due to dividing plate and the self gravitation of movable air valve, it is possible to achieve dividing plate and activity The closing of air valve.This interior inadequate science of floating plate structure design, pressure release air chamber only is set at middle part, still exists and larger topple over Risk；This interior floating plate easily rotates simultaneously, aggravates ring wear, influences service life.

Utility model content

The purpose of this utility model is to overcome the above-mentioned problems in the prior art, there is provided a kind of overturning-preventing is safety-type Internal-floating cover of stock tank.

To realize above-mentioned technical purpose and the technique effect, the utility model is to be achieved through the following technical solutions：

A kind of safety-type internal-floating cover of stock tank of overturning-preventing, including main body, the main body is disc-shaped structure and outer sheath is provided with Sealing ring, gas-floating chamber is inwardly offered at the upper end center of the main body, some floating drums, the gas are placed with the gas-floating chamber The open-mouth of floating chamber is provided with cover plate, and the main body uniformly offers four anti-rotational pilot holes close to edge, described anti-rotational to lead Xiang Kongzhong slidably connects guide rod, and the guide rod is vertically set, and both ends pass through fixed seat and tank inside wall It is fixed；

The periphery that the main body is located at gas-floating chamber uniformly offers at least four pressure release stomatas, and the pressure release stomata is presented narrow Lower width, inside are provided with movable air valve, and the movable air valve includes the external diameter adjustable pipe equal with narrow place's diameter on pressure release stomata, institute The lower end for stating adjustable pipe stretches out formed with lower limit ring, the lower limit ring external diameter and width under pressure release stomata in the horizontal direction Place's diameter is equal, and the upper end of the adjustable pipe, which is fixed with, seals its outer open upper limit position block, and the adjustable pipe is located at upper limit Body below block offers some steam vents for enclosing and being connected with inner chamber, and the length of the adjustable pipe is more than narrow place on pressure release stomata Length.

Further, the cover plate is fixed by the screw through edge plate body with main body.

Further, the sliding sleeve that insulate is lined with the anti-rotational pilot hole.

Further, the guide rod, fixed seat are made up of the metal material for being easy to passing to frictional static into storage tank.

Further, the body that the adjustable pipe is located above lower limit ring is covered with weight stack, and weight stack is in band opening Cyclic structure.

The beneficial effects of the utility model are：

1st, the main body of interior floating plate fixes floating drum by cover plate, is easy to safeguard and overhauls；Main body is entered by four guide rods Row guiding movement, effectively avoid rotating and toppling over the appearance of phenomenon, extend the service life of sealing rubber ring.

2nd, multiple pressure release stomatas are uniformly offered in main body, when storage tank produces gases at high pressure from bottom oiling, high pressure gas Body overcomes the gravity of movable air valve, and the adjustable pipe of promotion activity air valve moves up, and exposes the steam vent previously blocked by hole wall, Gases at high pressure are discharged through inner chamber from steam vent, and internal high-pressure gas pressure is bigger, and the steam vent number of turns exposed is more, exhaust capacity Also strengthen therewith, realize the self-relieving function of interior floating plate in this way.

Certainly, implement any product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme of the utility model embodiment, make required for being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model, For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings Other accompanying drawings.

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the close-up schematic view at A in Fig. 1；

Fig. 3 is the structural representation of movable air valve in the utility model；

In accompanying drawing, the list of parts representated by each label is as follows：

1- main bodys, 2- cover plates, 3- floating drums, 4- guide rods, 5- fixed seats, 6- pressure release stomatas, 7- activity air valves, 701- activities Pipe, 702- lower limit rings, 703- upper limit position blocks, 704- inner chambers, 705- steam vents.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The all other embodiment obtained, belong to the scope of the utility model protection.

Refer to shown in Fig. 1-3, the present embodiment is a kind of safety-type internal-floating cover of stock tank of overturning-preventing, including main body 1, main body 1 Sealing ring is provided with for disc-shaped structure and outer sheath, gas-floating chamber is inwardly offered at the upper end center of main body 1, is placed in gas-floating chamber There are some floating drums 3, the open-mouth of gas-floating chamber is provided with cover plate 2, and cover plate 2 is fixed by the screw through edge plate body and main body 1.

Main body 1 uniformly offers four anti-rotational pilot holes close to edge, and guiding is slidably connected in anti-rotational pilot hole Bar 4, guide rod 4 are vertically set, and both ends are fixed by fixed seat 5 and tank inside wall.Main body 1 is located at gas-floating chamber Peripheral uniformly to offer at least four pressure release stomatas 6, pressure release stomata 6 is in up-narrow and down-wide, and inside is provided with movable air valve 7.

Movable air valve 7 includes the external diameter adjustable pipe 701 equal with narrow place's diameter on pressure release stomata 6, the lower end of adjustable pipe 701 Stretch out in the horizontal direction equal with wide place's diameter under pressure release stomata 6 formed with lower limit ring 702, the external diameter of lower limit ring 702. The upper end of adjustable pipe 701, which is fixed with, seals its outer open upper limit position block 703, and adjustable pipe 701 is located at the lower section of upper limit position block 703 Body offers some steam vents 705 for enclosing and being connected with inner chamber 704.Adjustable pipe 701 is located at the body card of the top of lower limit ring 702 Weight stack is cased with, weight stack is in the cyclic structure with opening.The length of adjustable pipe 701 is more than the length at narrow place on pressure release stomata 6.

The sliding sleeve that insulate is lined with anti-rotational pilot hole, frictional static is passed to storage by guide rod 4, fixed seat 5 by being easy to The metal material of tank is made.

One of the present embodiment has particular application as：The main body 1 of interior floating plate fixes floating drum 3 by cover plate 2, be easy to safeguard and Maintenance.Main body 1 carries out guiding movement by four guide rods 4, effectively avoids rotating and toppling over the appearance of phenomenon, extends sealing rubber The service life of cushion rubber.At least four pressure release stomatas 6 are uniformly offered in main body 1 simultaneously, when storage tank produces height from bottom oiling Calm the anger body when, gases at high pressure overcome the gravity of movable air valve 7, and the adjustable pipe 701 of promotion activity air valve 7 moves up, and exposes elder generation The preceding steam vent 705 blocked by hole wall, gases at high pressure are discharged through inner chamber 704 from steam vent 705, and internal high-pressure gas pressure is got over Greatly, the number of turns of steam vent 705 exposed is more, and exhaust capacity also strengthens therewith, when gas pressure is reduced to safety value, movable gas The falling under gravity of valve 7, steam vent 705 are blocked again, realize sealing.The overall gravity of movable air valve 7 passes through increasing Add weight stack to carry out the adjustment of certain amplitude, realize the self-relieving function of interior floating plate in this way.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means It is contained in reference to specific features, structure, material or the feature that the embodiment or example describe of the present utility model at least one In embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or Example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example In combine in an appropriate manner.

The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, it is only described embodiment also not limit the utility model.Obviously, according to this theory The content of bright book, it can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably Principle and practical application of the present utility model is explained, so that skilled artisan can be best understood by and utilize this Utility model.The utility model is only limited by claims and its four corner and equivalent.

Claims (5)

1. a kind of safety-type internal-floating cover of stock tank of overturning-preventing, including main body, the main body is disc-shaped structure and outer sheath is provided with close Seal, it is characterised in that：Gas-floating chamber is inwardly offered at the upper end center of the main body, is placed with the gas-floating chamber some floating Cylinder, the open-mouth of the gas-floating chamber are provided with cover plate, and the main body uniformly offers four anti-rotational pilot holes close to edge, described Guide rod is slidably connected in anti-rotational pilot hole, the guide rod is vertically set, and both ends pass through fixed seat and storage Tank madial wall is fixed；

The periphery that the main body is located at gas-floating chamber uniformly offers at least four pressure release stomatas, the pressure release stomata present it is narrow under Width, inside are provided with movable air valve, and the movable air valve includes the external diameter adjustable pipe equal with narrow place's diameter on pressure release stomata, described The lower end of adjustable pipe stretches out formed with lower limit ring in the horizontal direction, the lower limit ring external diameter with pressure release stomata at width Diameter is equal, and the upper end of the adjustable pipe, which is fixed with, seals its outer open upper limit position block, and the adjustable pipe is located at upper limit position block The body of lower section offers some steam vents for enclosing and being connected with inner chamber, and the length of the adjustable pipe is more than narrow place on pressure release stomata Length.

2. the safety-type internal-floating cover of stock tank of overturning-preventing according to claim 1, it is characterised in that：The cover plate passes through through side The screw of plate body is fixed with main body at edge.

3. the safety-type internal-floating cover of stock tank of overturning-preventing according to claim 1, it is characterised in that：In the anti-rotational pilot hole It is lined with the sliding sleeve that insulate.

4. the safety-type internal-floating cover of stock tank of overturning-preventing according to claim 1, it is characterised in that：The guide rod, fixed seat It is made up of the metal material for being easy to passing to frictional static into storage tank.

5. the safety-type internal-floating cover of stock tank of overturning-preventing according to claim 1, it is characterised in that：The adjustable pipe is located at lower limit Body above the ring of position is covered with weight stack, and weight stack is in the cyclic structure with opening.