CN220999239U

CN220999239U - Exhaust valve assembly of oil filling riser

Info

Publication number: CN220999239U
Application number: CN202323151066.4U
Authority: CN
Inventors: 罗川; 陈瑜; 贺绪权
Original assignee: Chongqing Rongneng Mechanical And Electrical Equipment Co ltd
Current assignee: Chongqing Rongneng Mechanical And Electrical Equipment Co ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-05-24
Anticipated expiration: 2033-11-22

Abstract

The utility model provides an exhaust valve assembly of a loading arm. The exhaust valve component of the oil filling riser comprises an exhaust valve body arranged on the oil filling riser; the top fixed mounting of discharge valve body has the seal box, the top of discharge valve is equipped with a plurality of second gas outlets, and is a plurality of equal fixed mounting has two filter screens in the second gas outlet, be equipped with the floater in the second gas outlet, a plurality of equal fixed mounting in the top of second gas outlet has two dead levers, two the top fixed mounting of dead lever has same spacing ring, the top of seal box is equipped with first gas outlet, the outside of first gas outlet rotates installs the valve, fixed mounting has the stopper in the valve, sliding mounting has the valve gap in the valve, the top of valve is equipped with the second gas vent. The exhaust valve assembly of the oil filling riser has the advantages of being convenient to use, capable of automatically opening and closing the exhaust hole and preventing air from flowing back.

Description

Exhaust valve assembly of oil filling riser

Technical Field

The utility model relates to the technical field of fluid loading and unloading, in particular to an exhaust valve assembly of a loading arm.

Background

The oil filling riser is a telescopic pipe, in the process of loading and unloading fluid in petrochemical industry, the oil filling riser is required to convey the fluid in the liquid storage tank to realize the loading and unloading process of the fluid, medium in the pipe such as oil, water and the like, in practical use, part of materials can be stored in the oil filling riser after conveying, if the oil filling riser is directly fetched, the fluid can be sprinkled on the bottom surface and exposed in the air, and therefore an exhaust valve assembly of the oil filling riser is required to improve the reliability.

However, under long-time operation, the exhaust hole is easily blocked due to the internal fluid is cracked and exhausted again, and manual operation is required to restore the exhaust valve to the closed state, so that the exhaust valve has certain limitation in practical use.

Accordingly, there is a need to provide a new exhaust valve assembly for a crane tube that solves the above-mentioned problems.

Disclosure of utility model

The utility model solves the technical problem of providing the exhaust valve assembly of the oil filling riser, which is convenient to use, can automatically switch the exhaust hole and can prevent air from flowing back.

In order to solve the above technical problems, the exhaust valve assembly of the oil filling riser provided by the present utility model includes: an exhaust valve body mounted on the loading arm; the top fixed mounting of discharge valve body has the seal box, the top of discharge valve is equipped with a plurality of second gas outlets, and is a plurality of equal fixed mounting has two filter screens in the second gas outlet, be equipped with the floater in the second gas outlet, a plurality of equal fixed mounting in the top of second gas outlet has two dead levers, two the top fixed mounting of dead lever has same spacing ring, the top of seal box is equipped with first gas outlet, the outside of first gas outlet rotates installs the valve, fixed mounting has the stopper in the valve, slidable mounting has the valve gap in the valve, the top of valve is equipped with the second gas vent, the top fixed mounting of valve has the blast pipe, the other end fixed mounting of blast pipe has first gas vent.

Preferably, a groove is formed in the top of the second air outlet, the floating ball is arranged in the space between the groove and the limiting circular ring, and the floating ball is matched with the second air outlet.

Preferably, a plurality of the second air outlets extend into the seal box.

Preferably, threads are arranged on the outer side of the first air outlet, and the valve is rotatably arranged on the first air outlet.

Preferably, a spring is fixedly arranged on the inner wall of the top of the valve, and the valve cover is fixedly connected with the valve through the spring.

Preferably, a bump is fixedly arranged at the bottom of the valve cover, and the bump is matched with the first air outlet.

Preferably, two exhaust channels are arranged in the valve, air inlet ends of the two exhaust channels are positioned between the valve cover and the limiting block, and air outlet ends of the two exhaust channels are positioned above the limiting block.

Compared with the related art, the exhaust valve assembly of the oil filling riser has the following beneficial effects:

The utility model provides an exhaust valve assembly of a crane pipe, which is characterized in that an exhaust valve body, a second air outlet, a filter screen, a groove, a floating ball, a fixed rod and a limiting ring are matched, the floating ball is blown up by the exhaust valve body while the exhaust valve body is exhausted, and objects can be filtered by the filter screen, so that the exhaust valve is prevented from being blocked, the exhaust of the exhaust valve is prevented from being problematic, and the rolling space of the floating ball can be controlled by the limiting ring; through first gas outlet, valve gap, exhaust passage, second gas vent, first gas vent, blast pipe, valve, stopper and spring phase-match, when exhausting, gas promotes the valve gap and upwards moves to guarantee that exhaust duct opens, when exhausting, the valve gap blocks up first gas outlet, thereby guarantees not have gaseous backward flow after exhausting.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of a vent valve assembly for a crane tube according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;

FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2;

Fig. 4 is an enlarged schematic view of a portion B shown in fig. 2.

Reference numerals in the drawings: 1. the exhaust pipe, 2, the first exhaust port, 3, screw thread, 4, valve, 5, the first gas outlet, 6, the seal box, 7, the oil filling riser, 8, the exhaust valve body, 9, the second exhaust port, 10, exhaust passage, 11, valve gap, 12, spring, 13, stopper, 14, floater, 15, filter screen, 16, the second gas outlet, 17, recess, 18, dead lever, 19, spacing ring.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of an exhaust valve assembly of a loading arm according to the present utility model; FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1; FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2; fig. 4 is an enlarged schematic view of a portion B shown in fig. 2. The vent valve assembly of the oil filling riser includes: an exhaust valve body 8 mounted on the arm 7; the top fixed mounting of discharge valve body 8 has seal box 6, the top of discharge valve 8 is equipped with a plurality of second gas outlets 16, and a plurality of equal fixed mounting has two filter screens 15 in the second gas outlet 16, filter screen 15 can block impurity dust in the oil filling riser 7 prevents that it from blockking up a plurality of gas outlets, be equipped with floater 14 in the second gas outlet 16, floater 14 can be more simple and convenient control opening or closing of second gas outlet 16, a plurality of equal fixed mounting in top of second gas outlet 16 has two dead levers 18, two the top fixed mounting of dead lever 18 has same spacing ring 19, spacing ring can restrict the travel space of floater 14, the top of seal box 6 is equipped with first gas outlet 5, the outside rotation of first gas outlet 5 is installed valve 4, fixed mounting has stopper 13 in the valve 4, slidable mounting has valve gap 11, the top of valve 4 is equipped with second gas outlet 9, the top fixed mounting of valve 4 has 1, another gas outlet 2 of blast pipe 1.

The top of second gas outlet 16 is equipped with recess 17, recess 17 can be better restriction floater 14, floater 14 is established recess 17 with spacing ring 19 in, floater 14 with second gas outlet 16 looks adaptation.

A plurality of the second air outlets 16 extend into the seal box 6.

The outside of the first air outlet 5 is provided with threads 3, and the valve 4 is rotatably arranged on the first air outlet 5.

A spring 12 is fixedly arranged on the top inner wall of the valve 4, the spring 12 is used for connecting the valve cover 11, and the valve cover 11 is fixedly connected with the valve 4 through the spring 12.

The bottom of the valve cover 11 is fixedly provided with a lug, and the lug is matched with the first air outlet 5.

Two exhaust channels 10 are arranged in the valve 4, the air inlet ends of the two exhaust channels 10 are positioned between the valve cover 11 and the limiting block 13, and the air outlet ends of the two exhaust channels 10 are positioned above the limiting block 13.

The exhaust valve component of the oil filling riser provided by the utility model has the following working principle:

Firstly, when the gas in the crane tube 2 reaches the sealing box 6 through the second gas outlet 16, the impurities in the gas are isolated by the filter screen 15, the gas pushes the floating ball 14, the floating ball 14 rolls in the groove 17 and the limit ring 19 rapidly, when the gas reaches the first gas outlet 5, the gas pushes the valve cover 11, the valve cover 11 moves upwards and opens the gas exhaust channel 10, the limit block 13 pushes the valve cover 11 against when moving to a certain distance, the gas reaches the gas exhaust pipe 1 through the gas exhaust channel 10 and finally is exhausted from the first gas outlet 2, after the gas is exhausted, the valve cover 11 moves downwards and blocks the first gas outlet 5, dust impurities are prevented from falling into the sealing box 6, the floating ball 14 falls into the groove 17 and blocks the second gas outlet 16, and the gas exhaust in the crane tube 7 is completed.

The utility model provides an exhaust valve assembly of a crane pipe, which is characterized in that an exhaust valve body 8, a second air outlet 16, a filter screen 15, a groove 17, a floating ball 14, a fixed rod 18 and a limiting circular ring 19 are matched, the floating ball 14 is blown up when the exhaust valve body 8 is exhausted, the filter screen 15 can filter objects, so that the exhaust valve is prevented from being blocked, the exhaust valve is prevented from being exhausted, and the limiting circular ring 19 can control the rolling space of the floating ball 14; through first gas outlet 5, valve gap 11, exhaust passage 10, second gas vent 9, first gas vent 2, blast pipe 1, valve 4, stopper 13 and spring 12 matched with, when exhausting, gas promotes valve gap 11 and upwards moves to guarantee that exhaust duct 10 is opened, when exhausting, valve gap 11 blocks up first gas outlet 5, thereby guarantees not have the gaseous backward flow after exhausting.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A discharge valve assembly for a crane tube, comprising:

An exhaust valve body mounted on the loading arm; the top fixed mounting of discharge valve body has the seal box, the top of discharge valve is equipped with a plurality of second gas outlets, and is a plurality of equal fixed mounting has two filter screens in the second gas outlet, be equipped with the floater in the second gas outlet, a plurality of equal fixed mounting in the top of second gas outlet has two dead levers, two the top fixed mounting of dead lever has same spacing ring, the top of seal box is equipped with first gas outlet, the outside of first gas outlet rotates installs the valve, fixed mounting has the stopper in the valve, slidable mounting has the valve gap in the valve, the top of valve is equipped with the second gas vent, the top fixed mounting of valve has the blast pipe, the other end fixed mounting of blast pipe has first gas vent.

2. The oil filling riser's discharge valve subassembly of claim 1, wherein the top of second gas outlet is equipped with the recess, the floater is established in the recess with spacing ring, the floater with second gas outlet looks adaptation.

3. The drain valve assembly of claim 1, wherein a plurality of said second air outlets extend into said seal housing.

4. The arm vent valve assembly of claim 1, wherein the first vent port is threaded on the outside and the valve is rotatably mounted on the first vent port.

5. The oil filling riser's discharge valve subassembly of claim 1, wherein a spring is fixedly mounted on the top inner wall of the valve, and the valve cap is fixedly connected with the valve through the spring.

6. The oil filling riser's discharge valve subassembly of claim 1, wherein the bottom of the valve cap is fixedly mounted with a protrusion, the protrusion being adapted to the first gas outlet.

7. The exhaust valve assembly of the oil filling riser according to claim 1, wherein two exhaust passages are arranged in the valve, air inlet ends of the two exhaust passages are positioned between the valve cover and the limiting block, and air outlet ends of the two exhaust passages are positioned above the limiting block.