Stainless steel clamping and pressing type high-temperature exhaust valve

Abstract

The utility model provides a stainless steel clamping and pressing type high-temperature exhaust valve, and belongs to the technical field of valve manufacturing. The problem that an existing exhaust valve is low in exhaust efficiency is solved. The stainless steel clamping and pressing type high-temperature exhaust valve comprises a body, a cover plate and a pressing ring, a connecting rod is fixedly connected to the center of the top of an inner cavity of the cover plate, a floater sleeves the left side of the surface of the connecting rod, a support sleeves the right side of the surface of the connecting rod, a guide rod is arranged in the inner cavity of the cover plate, and a locking nut sleeves the top of the surface of the guide rod; a first valve rod is arranged in the guide rod in a penetrating mode, the bottom of the first valve rod extends to the bottom of the cover plate, a pressure sensor is fixedly installed at the top of the lower end of the first valve rod, the detection end of the pressure sensor makes contact with the bottom of the guide rod, and an auxiliary exhaust assembly is fixedly installed on the left side of the top of the cover plate. The exhaust device has the advantages of high exhaust efficiency and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high temperature exhaust valve technical field, especially relate to stainless steel clamping pressure type high temperature exhaust valve. BACKGROUND

[0002] High temperature exhaust valve is a kind of exhaust device for high temperature environment, is widely used in boiler, solar energy, mould temperature machine, air conditioner, petroleum and natural gas etc.

[0003] For example, Chinese patent literature data discloses a kind of high temperature exhaust valve [application number: 201921643813.7;Grant announcement number: CN210715970U], it includes valve seat, valve cover, valve core, pressure spring baffle, spring installation column, plug, driving unit and pressure spring, the valve cover with gas outlet is connected on valve seat by the flange of bottom, the taper head of valve core is sealed and is butted in the top of the air hole of valve seat, the rear portion of valve core taper head is provided with guide column, guide column is guided and slides in the guide sleeve inside valve cover, the top of guide column is connected pressure spring baffle and spring installation column, pressure spring is set in spring installation column outside and both ends are butted in pressure spring baffle and the inside of the top cover of valve cover;Pressure spring baffle both sides are provided with lift rod, lift rod and the top of guide sleeve are provided with plug between, the top surface of plug arm of plug is low back high inclination setting, the rear end of plug is connected the working end of driving unit after passing through the side wall of valve cover.

[0004] The above-mentioned high temperature exhaust valve can conveniently and safely exhaust, but when continuously discharging high temperature gas, the valve body is continuously high temperature, which causes the pressure in the valve body to be too large, the gas circulates and moves in the valve body, reduces the exhaust efficiency, and may damage the valve due to excessive load. Installing multiple exhaust valves increases the cost. In order to solve the above technical problems, we design a stainless steel clamping pressure type high temperature exhaust valve. SUMMARY

[0005] The utility model discloses to solve the technical problems existing in the prior art, and provide a stainless steel clamping pressure type high temperature exhaust valve that can assist exhaust.

[0006] The utility model discloses a stainless steel clamping pressure formula high temperature exhaust valve can be realized through the following technical scheme: a stainless steel clamping pressure formula high temperature exhaust valve, including the body, the top of body is provided with the apron, the top of apron surface is provided with the compression ring, the centre of apron inner chamber top is fixedly connected with connecting rod, the left side of connecting rod surface is equipped with the float of installation, the right side of connecting rod surface is equipped with the bracket of installation, the inner chamber of apron is provided with the guide rod, the top of guide rod surface is equipped with the lock nut of installation, the lock nut is screwed in the top of apron, the inside of guide rod is provided with valve stem no. 1, the bottom of valve stem no. 1 extends to the bottom of apron, the top of valve stem no. 1 lower extreme is fixedly installed with pressure sensor, and the bottom of guide rod is contacted with the detection end of pressure sensor, the top of valve stem no. 1 surface is equipped with the locating bolt of installation, the surface of valve stem no. 1 and the below locating bolt are equipped with spring no. 1 of installation, the top of guide rod is provided with exhaust nut no. 1, the left side of apron top is fixedly installed with auxiliary exhaust component, and the auxiliary exhaust component includes the shell, the shell is fixedly installed on the left side of apron top, the top of shell inner chamber is provided with the top cover, the top of top cover surface is equipped with exhaust nut no. 2 of installation, the inner chamber of top cover is provided with valve stem no. 2, and the bottom of valve stem no. 2 is threaded to the bottom of apron, the bottom of apron and the left and right sides of valve stem no. 2 are all fixedly installed with electromagnet, and the surface of valve stem no. 2 is equipped with spring no. 2 of installation.

[0007] The stainless steel clamping pressure formula high temperature exhaust valve can assist exhaust when the valve load is too large, effectively helps gas exhaust, does not damage the valve, effectively prolongs the service life of the valve, and does not need to install multiple exhaust valves, effectively reducing the cost.

[0008] In the stainless steel clamping pressure formula high temperature exhaust valve, the bottom of the inner cavity of the body is provided with a positioning ring, and an O-ring is arranged between the outer surface of the guide rod and the connection part of the cover plate. The arrangement of the O-ring can improve the sealing between the guide rod and the cover plate, and ensure that the connection part does not leak.

[0009] In the stainless steel clamping pressure formula high temperature exhaust valve, an O-ring is arranged between the bottom of the cover plate and the top of the inner cavity of the body, and the compression ring is threadedly connected to the top of the outer surface of the body. The arrangement of the O-ring can improve the sealing between the cover plate and the body, ensure that the gas does not exhaust from the connection part of the cover plate and the body, and the arrangement of the compression ring can fix the cover plate, so that the cover plate can be quickly installed on the top of the body.

[0010] In the stainless steel clamping pressure formula high temperature exhaust valve, a screw is arranged to penetrate the bottom of the connecting rod and is threadedly connected to the bottom of the cover plate.

[0011] In the above-mentioned stainless steel clamping type high-temperature exhaust valve, an O-ring three is arranged between the surface of the valve rod one and the bottom of the guide rod inner cavity, and the inner cavity of the exhaust nut one is provided with a sealing washer one. The arrangement of the O-ring can ensure the sealing between the valve rod one and the guide rod, so that the gas will not leak from the guide rod in the non-exhaust state. The arrangement of the sealing washer one can ensure the sealing between the exhaust nut one and the guide rod, effectively ensuring the sealing of the valve.

[0012] In the above-mentioned stainless steel clamping type high-temperature exhaust valve, the outer ring of the top of the shell is provided with a mounting bolt, the bottom of the mounting bolt penetrates the shell and is threadedly connected with the top of the cover plate, and an O-ring five is arranged between the bottom of the shell and the top of the cover plate. The arrangement of the mounting bolt can stably connect the shell and the cover plate, and the shell itself can be conveniently disassembled, effectively improving the maintenance convenience of the auxiliary exhaust assembly. The arrangement of the O-ring five can seal the connection between the shell and the cover plate, so that the gas will not leak from the bottom of the shell.

[0013] In the above-mentioned stainless steel clamping type high-temperature exhaust valve, the inner cavity of the exhaust nut two is provided with a sealing washer two, and an O-ring four is arranged between the bottom of the surface of the top cover and the top of the shell inner cavity. The arrangement of the sealing washer two can ensure the sealing between the exhaust nut two and the top cover, so that the gas will not leak from the installation position of the exhaust thread.

[0014] In the above-mentioned stainless steel clamping type high-temperature exhaust valve, a gas hole is arranged on the surface of the cover plate and located at the valve rod two, the electromagnet and the bottom of the valve rod two are in a magnetic attraction state, the surface of the valve rod two and below the spring two is a convex structure and the size is larger than that of the gas hole. The arrangement of the gas hole can make the gas enter the inside of the shell and be discharged, achieving the effect of auxiliary exhaust, and the convex structure can make the valve rod two close the gas hole in the attracted state of the electromagnet, avoiding gas leakage.

[0015] Compared with the prior art, the intentional effect of the present stainless steel clamping type high-temperature exhaust valve is that by arranging an auxiliary exhaust assembly on the valve, in the normal working state, the valve is normally exhausted by the exhaust structure on the valve, and when the valve load is too large in the continuous high-temperature exhaust state, the valve rod one is in a continuous extrusion state, so that the pressure sensor continuously monitors the pressure, thereby controlling the electromagnet to be powered off. At this time, the auxiliary exhaust assembly performs auxiliary exhaust, so that the gas is auxiliary discharged from the gas hole, effectively reducing the load of the exhaust structure of the valve main body and improving the service life of the valve. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a cross-sectional structure schematic view of the present stainless steel clamping type high-temperature exhaust valve.

[0017] Figure 2It is a cross-sectional structure diagram of the auxiliary exhaust assembly of the stainless steel clamping and pressing type high-temperature exhaust valve.

[0018] Figure 3 It is a cross-sectional structure diagram of the auxiliary exhaust assembly of the stainless steel clamping and pressing type high-temperature exhaust valve.

[0019] In the figure: 1, body; 2, float; 3, connecting rod; 4, pressure ring; 5, O-ring I; 6, cover plate; 7, auxiliary exhaust assembly; 71, shell; 72, O-ring IV; 73, sealing washer II; 74, exhaust nut II; 75, top cover; 76, spring II; 77, O-ring V; 78, electromagnet; 79, valve rod II; 8, positioning bolt; 9, sealing washer I; 10, exhaust nut I; 11, spring I; 12, valve rod I; 13, guide rod; 14, O-ring II; 15, O-ring III; 16, bracket; 17, screw; 18, positioning ring; 19, locking nut; 20, pressure sensor. DETAILED DESCRIPTION

[0020] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0021] As shown in Figure 1 , Figure 2 and Figure 3 , the stainless steel clamping and pressing type high-temperature exhaust valve comprises a body 1, the top of the body 1 is provided with a cover plate 6, the top of the surface of the cover plate 6 is provided with a pressure ring 4, the top of the inner cavity of the cover plate 6 is fixedly connected with a connecting rod 3 at the center, the left side of the surface of the connecting rod 3 is sleeved and installed with a float 2, the right side of the surface of the connecting rod 3 is sleeved and installed with a bracket 16, the inner cavity of the cover plate 6 is provided with a guide rod 13, the top of the surface of the guide rod 13 is sleeved and installed with a locking nut 19, the locking nut 19 is threadedly sleeved on the top of the cover plate 6, the inside of the guide rod 13 is provided with a valve rod I 12, the bottom of the valve rod I 12 extends to the bottom of the cover plate 6, the top of the lower end of the valve rod I 12 is fixedly installed with a pressure sensor 20, the detection end of the pressure sensor 20 is in contact with the bottom of the guide rod 13, the top of the surface of the valve rod I 12 is sleeved and installed with a positioning bolt 8, the surface of the valve rod I 12 and below the positioning bolt 8 is sleeved and installed with a spring I 11, the top of the guide rod 13 is provided with an exhaust nut I 10, the left side of the top of the cover plate 6 is fixedly installed with an auxiliary exhaust assembly 7, the auxiliary exhaust assembly 7 comprises a shell 71, the shell 71 is fixedly installed on the left side of the top of the cover plate 6, the top of the inner cavity of the shell 71 is provided with a top cover 75, the top of the surface of the top cover 75 is sleeved and installed with an exhaust nut II 74, the inner cavity of the top cover 75 is provided with a valve rod II 79, the bottom of the valve rod II 79 penetrates to the bottom of the cover plate 6, the bottom of the cover plate 6 and on the left and right sides of the valve rod II 79 are fixedly installed with electromagnets 78, the surface of the valve rod II 79 is sleeved and installed with a spring II 76.

[0022] Further, the bottom of the inner cavity of the body 1 is provided with a positioning ring 18, and the outer surface of the guide rod 13 is provided with an O-ring 14 between the connection of the guide rod 13 and the cover plate 6. The bottom of the cover plate 6 is provided with an O-ring 5 between the top of the inner cavity of the body 1, and the pressure ring 4 is threadedly connected to the top of the outer surface of the body 1.

[0023] The bottom of the connecting rod 3 is provided with a screw 17 penetrating through the connecting rod 3 and threadedly connected to the bottom of the cover plate 6. The surface of the valve rod 12 is provided with an O-ring 15 between the bottom of the inner cavity of the guide rod 13, and the inner cavity of the exhaust nut 10 is provided with a sealing washer 9.

[0024] The outer ring of the top of the shell 71 is provided with a mounting bolt penetrating through the shell 71 and threadedly connected to the top of the cover plate 6, and the bottom of the inner cavity of the shell 71 is provided with an O-ring 77 between the top of the cover plate 6. The inner cavity of the exhaust nut 74 is provided with a sealing washer 73, and the surface of the top cover 75 is provided with an O-ring 72 between the top of the inner cavity of the shell 71.

[0025] The surface of the cover plate 6 is provided with a gas hole at the valve rod 79, the electromagnet 78 is in a magnetic attraction state with the bottom of the valve rod 79, and the surface of the valve rod 79 is provided with a convex structure below the spring 76, and the size is larger than the size of the gas hole.

[0026] In use, high-temperature gas enters the inner cavity from the bottom of the body 1, continuously impacts the float 2, and the float 2 is extruded upward after being impacted, so that the valve rod 12 is lifted upward, at this time, the spring 11 is compressed, so that the high-temperature gas in the body 1 is discharged upward from the inside of the guide rod 13 and discharged to the outside through the exhaust nut 10, when the exhaust is continuously discharged, the valve rod 12 continuously extrudes the pressure sensor 20, when it detects that it is continuously pressed, it sends a signal to the remote controller, so that it controls the electromagnet 78 to be de-energized, so that it is separated from the bottom of the valve rod 79, and the high-temperature gas is pressed upward from the gas hole to the valve rod 79, so that the convex structure on the valve rod 12 is moved away from above the gas hole, at this time, the spring 76 is compressed, so that the gas is discharged upward from the top cover 75 and discharged to the outside through the exhaust nut 74, so that the gas can be discharged from two directions, reducing the load of the valve body, when the gas is discharged in small amount, the valve rod 12 intermittently extrudes the pressure sensor 20, at this time, the pressure sensor 20 is re-monitored, so that the remote controller controls the electromagnet 78 to be energized, and the valve rod 79 is adsorbed, at this time, the auxiliary exhaust assembly 7 does not exhaust.

[0027] What is not described in detail in the specification belongs to the prior art known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A stainless steel pinch high temperature exhaust valve comprising a body (1), characterized in that: The top of the body (1) is provided with a cover plate (6), the top of the surface of the cover plate (6) is provided with a compression ring (4), the top of the inner cavity of the cover plate (6) is fixedly connected with a connecting rod (3), the left side of the surface of the connecting rod (3) is sleevedly installed with a float (2), the right side of the surface of the connecting rod (3) is sleevedly installed with a support (16), the inner cavity of the cover plate (6) is provided with a guide rod (13), the top of the surface of the guide rod (13) is sleevedly installed with a locking nut (19), the locking nut (19) is threadedly sleeved on the top of the cover plate (6), the inside of the guide rod (13) is provided with a valve rod one (12), the bottom of the valve rod one (12) extends to the bottom of the cover plate (6), the top of the lower end of the valve rod one (12) is fixedly installed with a pressure sensor (20), the detection end of the pressure sensor (20) is in contact with the bottom of the guide rod (13), the top of the surface of the valve rod one (12) is sleevedly installed with a positioning bolt (8), the surface of the valve rod one (12) and below the positioning bolt (8) is sleevedly installed with a spring one (11), the top of the guide rod (13) is provided with an exhaust nut one (10), the left side of the top of the cover plate (6) is fixedly installed with an auxiliary exhaust assembly (7), the auxiliary exhaust assembly (7) comprises an outer shell (71), the outer shell (71) is fixedly installed on the left side of the top of the cover plate (6), the top of the inner cavity of the outer shell (71) is provided with a top cover (75), the top of the surface of the top cover (75) is sleevedly installed with an exhaust nut two (74), the inner cavity of the top cover (75) is provided with a valve rod two (79), the bottom of the valve rod two (79) penetrates to the bottom of the cover plate (6), the bottom of the cover plate (6) and the left and right sides of the valve rod two (79) are fixedly installed with electromagnets (78), the surface of the valve rod two (79) is sleevedly installed with a spring two (76).

2. The stainless steel, clamped and pressed high-temperature exhaust valve according to claim 1, characterized in that: The bottom of the inner cavity of the body (1) is provided with a positioning ring (18), and the outer surface of the guide rod (13) and the connection part of the cover plate (6) are provided with an O-shaped ring two (14).

3. The stainless steel, clamped and pressed high-temperature exhaust valve according to claim 1, characterized in that: The bottom of the cover plate (6) and the top of the inner cavity of the body (1) are provided with an O-shaped ring one (5), and the compression ring (4) is threadedly connected to the top of the outer surface of the body (1).

4. The stainless steel, clamped and pressed, high temperature exhaust valve according to claim 1, characterized in that: The bottom of the connecting rod (3) is provided with a screw (17), the screw (17) penetrates the connecting rod (3) and is threadedly connected to the bottom of the cover plate (6).

5. The stainless steel, clamped and pressed, high temperature exhaust valve according to claim 1, characterized in that: The surface of the valve rod one (12) and the bottom of the inner cavity of the guide rod (13) are provided with an O-shaped ring three (15), and the inner cavity of the exhaust nut one (10) is provided with a sealing washer one (9).

6. The stainless steel, clamped and pressed, high temperature exhaust valve according to claim 1, characterized in that: The outer ring of the top of the outer shell (71) is provided with a mounting bolt, the bottom of the mounting bolt penetrates the outer shell (71) and is threadedly connected to the top of the cover plate (6), and the bottom of the outer shell (71) and the top of the cover plate (6) are provided with an O-shaped ring five (77).

7. The stainless steel, clamped and pressed, high temperature exhaust valve according to claim 1, characterized in that: The inner cavity of the exhaust nut two (74) is provided with a sealing washer two (73), and an O-shaped ring four (72) is arranged between the bottom of the surface of the top cover (75) and the top of the inner cavity of the shell (71).

8. The stainless steel, clamped and pressed, high temperature exhaust valve according to claim 1, characterized in that: A gas hole is arranged on the surface of the cover plate (6) and at the valve rod two (79), the electromagnet (78) is in a magnetic attraction state with the bottom of the valve rod two (79), and the surface of the valve rod two (79) and below the spring two (76) is a convex structure and has a size greater than that of the gas hole.

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