CN209321703U - A kind of exhaust valve of oil storage tank - Google Patents

Abstract

The utility model relates to a kind of exhaust valves of oil storage tank, including pipeline and the exhaust valve being connected to pipeline, cavity is offered in the exhaust valve, the cavity bottom end is equipped with piston, and the piston is flexibly connected with chamber wall, is connected with elastic component between the piston and cavity top, the exhaust passage communicated with the outside world is symmetrically arranged on the exhaust valve side wall, described exhaust passage one end is flushed with cavity side wall, is flushed at the top of the other end and exhaust valve, the bottom end of the exhaust passage is close to the bottom of piston.The utility model has the advantages that safety and environmental protection.

Description

A kind of exhaust valve of oil storage tank

Technical field

The utility model relates to the technical fields of exhaust valve, more particularly, to a kind of exhaust valve of oil storage tank.

Background technique

Oil storage tank can be connected to more root canal roads, more root canal roads as a kind of container for storing oil product, oil storage tank in chemical plant Play the role of transport.The often some inflammable and explosive raw materials carried in oil storage tank, this brings to the safe handling of oil storage tank Huge challenge.

Prior art among the above has the following deficiencies: that the temperature in summer is high, in the pipeline being connected with oil storage tank Air pressure is higher, has certain risk.

Utility model content

The purpose of the utility model is to provide a kind of exhaust valve of oil storage tank, solve the problems, such as that air pressure is higher in pipeline.

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

A kind of exhaust valve of oil storage tank offers appearance including pipeline and the exhaust valve being connected to pipeline in the exhaust valve Chamber, the cavity bottom end are equipped with piston, and the piston is flexibly connected with chamber wall, is connected between the piston and cavity top Elastic component is symmetrically arranged with the exhaust passage communicated with the outside world, described exhaust passage one end and cavity side on the exhaust valve side wall Wall flushes, and flushes at the top of the other end and exhaust valve, the bottom end of the exhaust passage is close to the bottom of piston.

By using above-mentioned technical proposal, the exhaust valve with cavity is added on pipeline, cavity basal sliding is connected with Piston, piston and cavity top are connected with elastic component, and offer exhaust passage on exhaust valve side wall, lead when temperature is higher Air pressure is excessively high in cause pipeline, can jack up piston, deformation occurs for the elastic component meeting of top land connection, due to the bottom end of exhaust passage Close to the bottom of piston, the i.e. shorter stroke of the piston upwards port open that makes exhaust passage, the gas in pipeline is easy To drain from exhaust passage, and is flushed at the top of one end of exhaust passage and exhaust valve, i.e., gas is drained from the top of exhaust valve, The gas for reducing high temperature impacts the object at exhaust valve both ends, which is arranged symmetrically, two exhaust passage energy Accelerate exhaust velocity, safety with higher.After gas is drained, air pressure can be gradually decreased in pipeline, at this time elastic component meeting Restore deformation, band piston blocks the port of exhaust passage along cavity inner wall slide downward again.The setting makes gas from row Gas is discharged in channel, has safety.

The utility model is further arranged to: the cavity top is equipped with cushion, and the cushion is abutted with elastic component.

By using above-mentioned technical proposal, since piston motion can squeeze elastic component, the elastic component that deformation occurs is against appearance Cushion is added on cavity top in the top of chamber, and cushion has the function of buffering, can protect elastic component and exhaust valve.

The utility model is further arranged to: the exhaust valve surface is connected with lid, and the lid is serum cap, described Lid includes the first lid and the second lid, and first lid is fixedly connected with exhaust valve surface, and second lid is located at The top of exhaust passage.

By using above-mentioned technical proposal, it is connected with lid on the surface of exhaust valve, lid is serum cap, and lid includes solid The first lid and the second lid at the top of exhaust passage for being scheduled on exhaust valve surface, when gas is discharged from exhaust passage, Gas can rush the second lid, be discharged to gas in air；Since serum cap has elasticity, after exhaust, the second lid Cognition is abutted with the surface of exhaust valve again, reduces the possibility that external object falls into exhaust passage.

The utility model is further arranged to: the vertical section of the exhaust passage is L shape.

By using above-mentioned technical proposal, L-shaped exhaust passage has less inflection point, i.e. gas is easier to logical by being vented Road is finally discharged in air, helps speed up the speed of exhaust, has safety.

The utility model is further arranged to: the top of the exhaust passage is connected with filter screen.

By using above-mentioned technical proposal, in exhaust process, the second lid can be blown afloat by gas, at this time exhaust passage with The external world communicates, and adds filter screen on the top of exhaust passage, which can obstruct extraneous article and fall into exhaust passage, subtracts The possibility of few exhaust passage blocking.

The utility model is further arranged to: the elastic component is spring.

By using above-mentioned technical proposal, elastic component selects spring, the simple structure of spring, and shape occurs for when it is by external force Become, removes very fast reinstatement again after external force, help to improve the efficiency of exhaust.

The utility model is further arranged to: the top land is fixed with the first buffer stopper, and the cushion bottom is solid Surely there is the second buffer stopper, the both ends of the spring is each passed through the first buffer stopper and the second buffer stopper.

By using above-mentioned technical proposal, the first buffer stopper is fixed in top land, it is slow to fix second in cushion bottom Block is rushed, both ends of the spring is each passed through the first buffer stopper and the second buffer stopper, and the first buffer stopper and the second buffer stopper play spring The effect of limit, and the first buffer stopper and the second buffer stopper all have the effect of buffering, have certain protective effect to spring.

The utility model is further arranged to: the lid and piston are EP rubbers.

By using above-mentioned technical proposal, lid and piston are EP rubbers, and EP rubbers itself has good resistance to Hot, resistance to acid and alkali and impact elasticity, then it is smaller by being influenced when the gas of lid, piston and high temperature contacts, help to increase The service life of long lid and piston.

In conclusion the advantageous effects of the utility model are as follows: a kind of exhaust valve of oil storage tank, by connecting in oil storage tank Exhaust valve is added on logical pipeline, setting safety with higher.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the cap structure schematic diagram of the utility model.

In figure, 1, exhaust valve；2, cavity；3, piston；31, the first buffer stopper；4, elastic component；5, exhaust passage；7, it buffers Pad；71, the second buffer stopper；6, filter screen；8, lid；81, the first lid；82, the second lid.

Specific embodiment

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

Referring to Figures 1 and 2, be a kind of exhaust valve of oil storage tank disclosed by the utility model, including pipeline and with pipeline connect Logical exhaust valve 1.Cavity 2 is provided in exhaust valve 1, and piston 3 is movably connected on 2 wall of cavity, and piston 3 and 2 top of cavity are logical The connection of elastic component 4 is crossed, exhaust passage 5 is located on the side wall of exhaust valve 1, is connected with lid 8 on the surface of exhaust valve 1, lid 8 is Serum cap, lid 8 include the first lid 81 for being fixed on 1 surface of exhaust valve and the second lid 82 positioned at 5 top of exhaust passage. When leading to that air pressure is excessively high in pipeline when temperature is higher, piston 3 can be jacked up, shape can occur for the elastic component 4 connected at the top of piston 3 Become, since the bottom end of exhaust passage 5 is close to the bottom of piston 3, i.e., piston 3, which moves upwards shorter stroke, makes exhaust passage 5 Port open, the gas in pipeline is drained from exhaust passage 5, and is flushed at the top of one end of exhaust passage 5 and exhaust valve 1, gas Second lid 82 can be rushed, be discharged to gas in air, gas is drained from the top of exhaust valve 1, and the gas of high temperature is reduced Body impacts the object at 1 both ends of exhaust valve；After gas is drained, air pressure can be gradually decreased in pipeline, at this time 4 meeting of elastic component Restore deformation, band piston 3 blocks the port of exhaust passage 5 along 2 inner wall slide downward of cavity again, since serum cap has Flexible, after exhaust, the second lid 82 can be abutted with the surface of exhaust valve 1 again, reduced external object and fallen into exhaust The possibility in channel 5.Gas is discharged from exhaust passage 5 in the setting, has safety.

Exhaust passage 5 be it is arranged symmetrically, two exhaust passages 5 can accelerate exhaust velocity, safety with higher.Exhaust The vertical section in channel 5 is L shape, and L-shaped exhaust passage 5 has less inflection point, i.e. gas is easier to by exhaust passage 5, finally It is discharged in air, helps speed up the speed of exhaust, there is safety.In exhaust process, the second lid 82 can be blown by gas It rises, exhaust passage 5 communicates with the outside world at this time, adds filter screen 6 on the top of exhaust passage 5, which can obstruct extraneous Article is fallen into exhaust passage 5, reduces the possibility that exhaust passage 5 blocks.

Since the movement of piston 3 can squeeze elastic component 4, the elastic component 4 that deformation occurs is against the top of cavity 2, pushes up in cavity 2 Cushion 7 is added at end, and cushion 7 has the function of buffering, can protect elastic component 4 and exhaust valve 1.Elastic component 4 is spring, spring Simple structure, and deformation occurs when it is by external force, remove it is again very fast after external force restore to the original state, help to improve the effect of exhaust Rate.The first buffer stopper 31 is fixed at the top of piston 3, fixes the second buffer stopper 71 in 7 bottom of cushion, both ends of the spring is each passed through First buffer stopper 31 and the second buffer stopper 71, the first buffer stopper 31 and the second buffer stopper 71 play the role of limit to spring, and First buffer stopper 31 and the second buffer stopper 71 all have the effect of buffering, have certain protective effect to spring.

Lid 8 and piston 3 are EP rubbers, and EP rubbers itself has good heat resistance, resistance to acid and alkali and impact Elasticity, then the gas of lid 8, piston 3 and high temperature is smaller by being influenced when contacting, and helps to increase lid 8 and piston 3 Service life, rubber sheet have the feature of environmental protection as environmentally friendly shape material.

The implementation principle of the present embodiment are as follows: a kind of exhaust valve of oil storage tank, including pipeline and the exhaust valve being connected to pipeline 1.When temperature is higher, the air pressure in pipeline being connected to oil storage tank is excessively high, can jack up piston 3, piston 3 along 2 wall of cavity to The elastic component 4 connected at the top of upper sliding, with piston 3 can be squeezed and deformed, since the bottom end of exhaust passage 5 is close to the bottom of piston 3, I.e. piston 3, which moves upwards shorter stroke, can make the port open of exhaust passage 5, and the gas in pipeline is drained from exhaust passage 5, And flushed at the top of one end of exhaust passage 5 and exhaust valve 1, gas can rush the second lid 82, be discharged to gas in air, gas Body is drained from the top of exhaust valve 1, and the gas for reducing high temperature impacts the object at 1 both ends of exhaust valve；When gas is arranged After walking, air pressure can be gradually decreased in pipeline, and elastic component 4 can restore deformation at this time, and band piston 3 is along 2 inner wall of cavity to downslide It is dynamic, block the port of exhaust passage 5 again, since serum cap has elasticity, after exhaust, the second lid 82 can again with The surface of exhaust valve 1 abuts, and reduces the possibility that external object falls into exhaust passage 5.L-shaped exhaust passage 5 be it is arranged symmetrically, add Fast exhaust velocity has safety.It is equipped with filter screen 6 on the top of exhaust passage 5, filter screen 6 can obstruct extraneous article and fall Enter in exhaust passage 5, reduces the possibility that exhaust passage 5 blocks.Cushion 7 is added on the top of elastic component 4 and cavity 2, in piston 3 The first buffer stopper 31 is fixed at top, is fixed the second buffer stopper 71 in 7 bottom of cushion, is all had the function of buffering.Lid 8 and work Plug 3 is EP rubbers, and EP rubbers itself has good heat resistance, resistance to acid and alkali and impact elasticity, and rubber sheet is as ring The product of guarantor has the feature of environmental protection.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. a kind of exhaust valve of oil storage tank, including pipeline and the exhaust valve being connected to pipeline (1), it is characterised in that: the exhaust It is offered cavity (2) in valve (1), cavity (2) bottom end is equipped with piston (3), and the piston (3) and cavity (2) wall activity connect Connect, be connected with elastic component (4) between the piston (3) and cavity (2) top, be symmetrically arranged on exhaust valve (1) side wall with The exhaust passage (5) that the external world communicates, described exhaust passage (5) one end are flushed with cavity (2) side wall, the other end and exhaust valve (1) Top flushes, the bottom of the bottom end of the exhaust passage (5) close to piston (3).

2. a kind of exhaust valve of oil storage tank according to claim 1, it is characterised in that: cavity (2) top is equipped with slow Punching pad (7), the cushion (7) abut with elastic component (4).

3. a kind of exhaust valve of oil storage tank according to claim 1, it is characterised in that: exhaust valve (1) the surface connection Have lid (8), the lid (8) is serum cap, and the lid (8) includes the first lid (81) and the second lid (82), described First lid (81) is fixedly connected with exhaust valve (1) surface, and second lid (82) is located at the top of exhaust passage (5).

4. a kind of exhaust valve of oil storage tank according to claim 1, it is characterised in that: the perpendicular of the exhaust passage (5) is cut Face is L shape.

5. a kind of exhaust valve of oil storage tank according to claim 1, it is characterised in that: the top of the exhaust passage (5) It is connected with filter screen (6).

6. a kind of exhaust valve of oil storage tank according to claim 2, it is characterised in that: the elastic component (4) is spring.

7. a kind of exhaust valve of oil storage tank according to claim 6, it is characterised in that: be fixed at the top of the piston (3) First buffer stopper (31), cushion (7) bottom are fixed with the second buffer stopper (71), and the both ends of the spring is each passed through first Buffer stopper (31) and the second buffer stopper (71).

8. a kind of exhaust valve of oil storage tank according to claim 3, it is characterised in that: the lid (8) and piston (3) are equal For EP rubbers.