CN213393711U

CN213393711U - Boiler safety valve

Info

Publication number: CN213393711U
Application number: CN202021491134.5U
Authority: CN
Inventors: 傅炳亮
Original assignee: Zhejiang Fuchao Safety Valve Manufacturing Co ltd
Current assignee: Zhejiang Fuchao Safety Valve Manufacturing Co ltd
Priority date: 2020-07-26
Filing date: 2020-07-26
Publication date: 2021-06-08
Anticipated expiration: 2030-07-26

Abstract

The utility model discloses a boiler safety valve belongs to valve technical field for the boiler. The utility model discloses a valve body, the top fixed mounting of valve body has the atmospheric pressure bin, the inner chamber fixed mounting of atmospheric pressure bin has the overlapping lantern ring, the top fixed mounting of atmospheric pressure bin has lower floor's fixed plate, the top fixed mounting of lower floor's fixed plate has upper fixed plate, equal fixed mounting all around at upper fixed plate top has fixing bolt. The utility model discloses a lug card is established at recess inner chamber, and sealed rubber ring can play better sealed effect, prevents that steam pressure from leaking the damage that causes equipment, and fixing bolt has played the better connecting action to upper fixed plate and lower floor's fixed plate, and is convenient for install and dismantle, and the sealing washer pad has played better sealed effect to flange joint, has improved holistic leakproofness. The utility model provides a common boiler safety valve in the market, the leakproofness is poor, and difficult installation dismantlement, and the step is loaded down with trivial details, can lead to the problem that life reduces.

Description

Boiler safety valve

Technical Field

The utility model belongs to the technical field of the valve for the boiler, specifically be a boiler relief valve.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the origin of the boiler refers to a water container heated on fire, the boiler refers to a place for burning the fuel, the boiler comprises a boiler and a boiler, hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, the hot water or the steam can be converted into mechanical energy through a steam power device, or the mechanical energy can be converted into electric energy through a generator, the boiler for providing hot water is called a hot water boiler and is mainly used for life, a small amount of application is realized in industrial production, the boiler for generating steam is called a steam boiler, the boiler is often called a boiler for short, the boiler is mostly used for thermal power stations, ships, locomotives and industrial and mining enterprises, common boiler safety valves on the market have poor sealing performance and are not easy to install and disassemble, and the steps are, the service life is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler safety valve possesses the good and easy to assemble of leakproofness and dismantles the advantage, has solved common boiler safety valve on the market, and the leakproofness is poor, and difficult installation dismantlement, and the step is loaded down with trivial details, can lead to the problem that life reduces.

The utility model provides a following technical scheme: the utility model provides a boiler safety valve, includes the valve body, the top fixed mounting of valve body has the atmospheric pressure bin, the inner chamber fixed mounting of atmospheric pressure bin has the overlapping lantern ring, the top fixed mounting of atmospheric pressure bin has lower floor's fixed plate, the top fixed mounting of lower floor's fixed plate has upper fixed plate, equal fixed mounting all around at upper fixed plate top has fixing bolt, fixing bolt runs through the inner chamber of upper fixed plate until lower floor's fixed plate, the right side fixed mounting of atmospheric pressure bin has the side pipe, the one end fixed mounting of side pipe has the flange, the through-hole has all been seted up all around on flange surface, the inner chamber fixed mounting of flange has the sealing washer pad, the top fixedly connected with of upper fixed plate supplies the gas pipeline.

The inner cavity of the overlapping lantern ring is fixedly provided with a valve rod, and the top of the valve rod is movably sleeved with a valve core pressure ring.

The bottom of the upper fixing plate is fixedly provided with a convex block, the inner cavity of the lower fixing plate is provided with a groove, a sealing rubber ring is fixedly sleeved on the periphery of the convex block, and the convex block is clamped in the inner cavity of the groove.

The top fixed mounting of upper fixed plate has the spring, the inner chamber fixed mounting of spring has the movable rod, the top fixed mounting of movable rod has the air supply pipe, the inner chamber fixed mounting of air supply pipe has the compression screw.

The top fixedly connected with outlet duct of air supply pipeline, the left side fixed mounting at air supply pipeline top has the pivot, one side swing joint of pivot has spacing piece, the top fixed mounting of spacing piece has the top cap.

The utility model has the advantages as follows:

1. the utility model discloses a lug card is established at the recess inner chamber, sealed rubber ring can play better sealed effect, prevent that steam pressure from leaking the damage that causes equipment, fixing bolt has played the better connecting action to upper fixed plate and lower floor's fixed plate, and be convenient for install and dismantle, the sealing washer pad has played better sealed effect to flange joint, holistic leakproofness has been improved, common boiler safety valve in the market has been solved simultaneously, the leakproofness is poor, and difficult installation dismantlement, the step is loaded down with trivial details, can lead to the problem that life reduces.

2. The utility model discloses a pressure promotes the cover and establishes the case clamping ring on valve rod surface and rise, and pressure promotes the spring and moves, and steam can be discharged from the outlet duct through the gas supply pipeline, and spacing piece can prevent that steam from causing the injury to other personnel at the emission process, has improved the security.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the flange structure of the present invention;

fig. 3 is a sectional view of the joint structure of the upper fixing plate and the lower fixing plate of the present invention.

In the figure: 1. a valve body; 2. an air pressure storage tank; 3. a valve core is pressed; 4. a valve stem; 5. an overlapping collar; 6. an air supply duct; 7. a lower fixing plate; 8. an upper fixing plate; 9. fixing the bolt; 10. a spring; 11. a movable rod; 12. compressing the screw; 13. an air outlet pipe; 14. a rotating shaft; 15. a top cover; 16. a limiting sheet; 17. a side tube; 18. a flange; 19. a through hole; 20. sealing the rubber ring; 21. a bump; 22. a groove; 23. and (6) a sealing ring gasket.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a boiler safety valve comprises a valve body 1, an air pressure storage tank 2 is fixedly installed at the top of the valve body 1, an overlapping sleeve ring 5 is fixedly installed in an inner cavity of the air pressure storage tank 2, a valve rod 4 is fixedly installed in an inner cavity of the overlapping sleeve ring 5, a valve core press ring 3 is movably sleeved at the top of the valve rod 4, the valve core press ring 3 sleeved on the surface of the valve rod 4 is lifted through pressure pushing, a pressure pushing spring 10 moves, steam can be discharged from an air outlet pipe 13 through an air supply pipeline 6, a limiting sheet 16 can prevent the steam from injuring other people in the discharging process, the safety is improved, a lower fixing plate 7 is fixedly installed at the top of the air pressure storage tank 2, an upper fixing plate 8 is fixedly installed at the top of the lower fixing plate 7, a bump 21 is fixedly installed at the bottom, the periphery of the convex block 21 is fixedly sleeved with a sealing rubber ring 20, the convex block 21 is clamped in an inner cavity of the groove 22, the top of the upper fixing plate 8 is fixedly provided with a spring 10, the inner cavity of the spring 10 is fixedly provided with a movable rod 11, the top of the movable rod 11 is fixedly provided with an air supply pipeline 6, the inner cavity of the air supply pipeline 6 is fixedly provided with a compression screw 12, the periphery of the top of the upper fixing plate 8 is fixedly provided with a fixing bolt 9, the fixing bolt 9 penetrates through the inner cavity from the upper fixing plate 8 to the lower fixing plate 7, the right side of the air pressure storage tank 2 is fixedly provided with a side pipe 17, one end of the side pipe 17 is fixedly provided with a flange 18, the periphery of the surface of the flange 18 is provided with a through hole 19, the inner cavity of the flange 18 is fixedly provided with a sealing ring gasket 23, the top of the upper fixing plate 8 is fixedly connected with the, one side swing joint of pivot 14 has spacing piece 16, spacing piece 16's top fixed mounting has top cap 15, establish at recess 22 inner chamber through lug 21 card, sealed rubber ring 20 can play better sealed effect, prevent that steam pressure from leaking the damage that causes equipment, fixing bolt 9 has played the better connecting action to upper fixed plate 8 and lower floor's fixed plate 7, and be convenient for install and dismantle, sealing washer 23 has played better sealed effect to flange 18 junction, holistic leakproofness has been improved, common boiler safety valve in the market has been solved simultaneously, the leakproofness is poor, and difficult installation is dismantled, the step is loaded down with trivial details, can lead to the problem that life reduces. The utility model discloses a pressure promotes the cover to establish and rises at valve rod 4 surperficial case clamping ring 3, pressure promotes spring 10 and moves, steam can be discharged from outlet duct 13 through air supply pipe 6, spacing piece 16 can prevent that steam from causing the injury to other personnel in the emission process, establish at recess 22 inner chamber through lug 21 card, sealed rubber ring 20 can play better sealed effect, prevent that steam pressure from leaking the damage that causes equipment, fixing bolt 9 has played the better connecting action to upper fixed plate 8 and lower floor's fixed plate 7, and be convenient for install and dismantle, sealing washer 23 has played better sealed effect to the flange 18 junction, holistic leakproofness has been improved.

Claims

1. A boiler safety valve, includes valve body (1), its characterized in that: the top fixed mounting of valve body (1) has atmospheric pressure bin (2), the inner chamber fixed mounting of atmospheric pressure bin (2) has overlapping lantern ring (5), the top fixed mounting of atmospheric pressure bin (2) has lower floor's fixed plate (7), the top fixed mounting of lower floor's fixed plate (7) has upper fixed plate (8), equal fixed mounting all around at upper fixed plate (8) top has fixing bolt (9), fixing bolt (9) run through to upper fixed plate (8) until the inner chamber of lower floor's fixed plate (7), the right side fixed mounting of atmospheric pressure bin (2) has side pipe (17), the one end fixed mounting of side pipe (17) has flange (18), through-hole (19) have all been seted up around flange (18) surface, the inner chamber fixed mounting of flange (18) has sealing washer (23), the top of the upper fixing plate (8) is fixedly connected with an air supply pipeline (6).

2. A boiler safety valve according to claim 1, characterized in that: the inner cavity of the overlapping lantern ring (5) is fixedly provided with a valve rod (4), and the top of the valve rod (4) is movably sleeved with a valve core pressing ring (3).

3. A boiler safety valve according to claim 2, characterized in that: the bottom fixed mounting of upper fixed plate (8) has lug (21), the inner chamber of lower floor's fixed plate (7) is seted up flutedly (22), fixed cover is equipped with sealing rubber ring (20) around lug (21), lug (21) card is established in the inner chamber of recess (22).

4. A boiler safety valve according to claim 3, characterized in that: the top fixed mounting of upper fixed plate (8) has spring (10), the inner chamber fixed mounting of spring (10) has movable rod (11), the top fixed mounting of movable rod (11) has air supply pipe (6), the inner chamber fixed mounting of air supply pipe (6) has compression screw (12).

5. A boiler safety valve according to claim 4, characterized in that: the top fixedly connected with outlet duct (13) of air feed pipeline (6), the left side fixed mounting at air feed pipeline (6) top has pivot (14), one side swing joint of pivot (14) has spacing piece (16), the top fixed mounting of spacing piece (16) has top cap (15).