CN212775771U - Safety valve for pressure container - Google Patents

Abstract

The utility model discloses a relief valve for pressure vessel, including valve body, valve rod, connector, case and connecting screw, the top of valve body is connected with the valve gap, and the below of valve body is connected with at the bottom of the valve to the handle bar is installed in the top left side of valve gap, the top of valve gap is connected with the valve cap, and the below of valve cap is connected with the valve rod to the spring is all installed at the upper and lower both ends of valve rod, the discharge gate is installed on the right side of valve bottom, and the below at the bottom of the valve is provided with the feed inlet, the below fixedly connected with connection lug of valve gap, and the top of valve body has seted up connecting slot to the surface connection of valve body has connecting screw. This relief valve for pressure vessel, the inboard dismantlement that is provided with discharge gate and feed inlet installs the filter screen, can filter entering and combustion gas or liquid through the filter screen, gets rid of the inside particle impurity of gas or liquid, improves the purity of gas or liquid, improves the service function of this relief valve.

Description

Safety valve for pressure container

Technical Field

The utility model relates to a relevant technical field of pressure vessel specifically is a relief valve for pressure vessel.

Background

The pressure container is a container for containing gas or liquid, and when the pressure container is used, the internal pressure of the pressure container needs to be controlled through a safety valve so as to play an important protection role for equipment, and for the safety valve for the existing pressure container, partial defects exist, such as:

the leakproofness of current relief valve for the pressure vessel is not good, leads to the overflow of gas or liquid easily to leak, influences the accurate nature of internal pressure, and gas or liquid when the relief valve, inconvenient impurity of getting rid of in gas or the liquid, the dismouting of inconvenient this relief valve simultaneously uses and has the limitation, therefore we propose a relief valve for the pressure vessel to solve the problem that exists in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relief valve for pressure vessel to solve above-mentioned background art and propose that the leakproofness of current relief valve for pressure vessel is not good, lead to the overflow of gas or liquid easily to leak, influence the accurate nature of internal pressure, and gas or liquid when the relief valve, impurity in inconvenient getting rid of gas or liquid, the dismouting of inconvenient this relief valve simultaneously uses the problem that has the limitation.

In order to achieve the above object, the utility model provides a following technical scheme: a safety valve for a pressure container comprises a valve body, a valve rod, a connector, a valve core and a connecting screw rod, wherein a valve cover is connected above the valve body, a valve bottom is connected below the valve body, a hand lever is arranged on the left side above the valve cover, a valve cover is connected above the valve cover, a valve rod is connected below the valve cover, and the upper and lower ends of the valve rod are both provided with springs, the lower part of the valve rod is connected with a connector, the lower part of the connector is fixedly connected with a valve core, a first sealing gasket is arranged on the lower surface of the valve body, a second sealing gasket is arranged on the upper surface of the valve bottom, the lower part of the valve body is connected with the valve bottom through a connecting bolt, the right side of the valve bottom is provided with a discharge hole, and the below at the bottom of the valve is provided with the feed inlet, the below fixedly connected with of valve gap connects the lug, and the top of valve body has seted up connecting groove to the surface of valve body is connected with connecting screw.

Preferably, the upper and lower both ends of valve rod all the adhesive bonding have the rubber pad, and the valve rod is the fixed knot that the block is connected through rubber pad and valve cap and connector.

Preferably, the surface of the second sealing gasket is provided with four mounting holes and four sealing grooves, the mounting holes are arranged on the surface of the sealing groove at equal angles, and the inner diameter of each mounting hole is equal to the outer diameter of each connecting bolt.

Preferably, the second is sealed to seal up and all is the ring annular structure with first sealed the pad, and the below of valve body is sealed the sealed structure that the second sealed pad of top is connected for the block through first sealed pad and valve bottom.

Preferably, the inner surfaces of the discharge port and the feed port are detachably connected with a filter screen through a connecting clamping block, and the inner diameter of the filter screen is matched with the outer diameters of the discharge port and the feed port.

Preferably, the connecting lugs are arranged in one-to-one correspondence with the connecting clamping grooves in the upper surface of the valve body, and the connecting lugs below the valve cover form a dismounting and mounting structure with the connecting clamping grooves in the upper surface of the valve body through the connecting screw rods.

Compared with the prior art, the beneficial effects of the utility model are that: a safety valve for the pressure vessel;

(1) be provided with first sealed pad and the sealed pad of second, can seal up through the first sealed pad and the second of mutual block, at the bottom of effectual sealed valve body and the valve, avoid gas or liquid among the pressure vessel to spill over through the clearance of valve body and valve bottom quality testing, influence the result of use of relief valve:

(2) the lower part of the valve cover is provided with a clamping connection arrangement formed by a connecting clamping block and a connecting clamping groove above the valve body, and the lower part of the valve cover is matched with the surface of the valve body to be connected with a screw rod, so that the valve body and the valve cover can be conveniently separated;

(3) the filter screen is detachably mounted on the inner side of the discharge port and the feed port, so that gas or liquid entering and discharging can be filtered through the filter screen, particle impurities inside the gas or liquid are removed, the purity of the gas or liquid is improved, and the using function of the safety valve is improved.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a side sectional view of the discharge port of the present invention;

fig. 5 is a schematic top view of the second gasket of the present invention.

In the figure: 1. the valve body, 2, the valve gap, 3, the valve end, 4, the handle bar, 5, the valve cap, 6, the valve rod, 7, the spring, 8, the rubber pad, 9, the connector, 10, the case, 11, first sealed pad, 12, the second sealed pad, 13, connecting bolt, 14, the discharge gate, 15, the feed inlet, 16, the filter screen, 17, the connection lug, 18, connecting screw, 19, the mounting hole, 20, the seal groove, 21, connect the fixture block, 22, connect the draw-in groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

Referring to fig. 1-5, the present invention provides a technical solution: a safety valve for a pressure container comprises a valve body 1, a valve cover 2, a valve bottom 3, a hand lever 4, a valve cap 5, a valve rod 6, a spring 7, a rubber gasket 8, a connector 9, a valve core 10, a first sealing gasket 11, a second sealing gasket 12, a connecting bolt 13, a discharge hole 14, a feed inlet 15, a filter screen 16, a connecting lug 17, a connecting screw 18, a mounting hole 19, a sealing groove 20, a connecting clamping block 21 and a connecting clamping groove 22, the valve cover 2 is connected above the valve body 1, the valve bottom 3 is connected below the valve body 1, the hand lever 4 is installed on the left side above the valve cover 2, the valve cap 5 is connected above the valve cover 2, the valve rod 6 is connected below the valve cap 5, the spring 7 is installed at the upper end and the lower end of the valve rod 6, the connector 9 is connected below the valve rod 6, the valve core 10 is fixedly connected below the connector 9, the first sealing gasket 11 is, the top surface of the valve body 3 is provided with a second sealing gasket 12, the lower part of the valve body 1 is connected with the valve body 3 through a connecting bolt 13, a discharge hole 14 is arranged on the right side of the valve body 3, a feed inlet 15 is arranged below the valve body 3, a connecting lug 17 is fixedly connected with the lower part of the valve cover 2, a connecting clamping groove 22 is formed in the upper part of the valve body 1, and a connecting screw 18 is connected with the surface of the valve body 1.

Specifically as in fig. 1, the upper and lower both ends of valve rod 6 all are adhesive connected with rubber pad 8, and valve rod 6 is the fixed knot structure that the block is connected through rubber pad 8 and valve cap 5 and connector 9, makes things convenient for this valve rod 6's use.

Specifically, as shown in fig. 1, 3 and 5, the surface of the second gasket 12 is provided with four mounting holes 19 and four sealing grooves 20, the angles of the mounting holes 19 are equal to the angles of the surfaces of the sealing grooves 20, the inner diameter of the mounting holes 19 is equal to the outer diameter of the connecting bolt 13, the second gasket 12 and the first gasket 11 are both in an annular structure, the lower part of the valve body 1 is in a clamping connection with the second gasket 12 above the valve bottom 3 through the first gasket 11, and the sealing performance of the connection between the valve body 1 and the valve bottom 3 is improved.

Specifically, as shown in fig. 1 and 4, the inner surfaces of the discharge port 14 and the feed port 15 are detachably connected with the filter screen 16 through the connecting fixture block 21, and the inner diameter of the filter screen 16 is matched with the outer diameters of the discharge port 14 and the feed port 15, so that the gas or liquid passing through the filter screen can be conveniently filtered, and the purity of the gas or liquid can be improved.

Specifically, as shown in fig. 1 and fig. 2, the connecting projections 17 are arranged in one-to-one correspondence with the connecting clamping grooves 22 on the upper surface of the valve body 1, and the connecting projections 17 below the valve cover 2 form a detachable mounting structure with the connecting clamping grooves 22 on the upper surface of the valve body 1 through the connecting screws 18, so that the valve body 1 and the valve cover 2 can be conveniently detached.

Specifically, firstly, when in use, the safety valve is installed on a pressure container to be used, when gas or liquid in the pressure container passes through, the discharge port 14 on the surface of the valve bottom 3 and the filter screen 16 on the inner side of the feed port 15 can effectively filter the passing gas or liquid, so that impurity particles in the gas or liquid can be conveniently removed, and the purity of the gas or liquid is improved;

when maintaining, the accessible rotates connecting screw 18, conveniently make the connecting lug 17 of valve gap 2 below and the connecting slot 22 looks mutual separation of valve body 1 top, and then made things convenient for the split of valve gap 2 with valve body 1, rotate the connecting bolt 13 between valve body 1 and the valve end 3 again, made things convenient for the split of valve body 1 with the valve end 3, and then made things convenient for the split of this relief valve, be convenient for the change of inside valve rod 6 and case 10, this is exactly the theory of use of this relief valve for the pressure vessel, it is simultaneously noted that the inner structure and the principle of this relief valve are the same with inner structure and the principle on the existing market, the content that does not make detailed description in this description belongs to the well-known prior art of the professional skilled in the art in the field.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a relief valve for pressure vessel, includes valve body (1), valve rod (6), connector (9), case (10) and connecting screw (18), its characterized in that: the valve body is characterized in that a valve cover (2) is connected above the valve body (1), a valve bottom (3) is connected below the valve body (1), a hand lever (4) is installed on the left side of the top of the valve cover (2), a valve cap (5) is connected above the valve cover (2), a valve rod (6) is connected below the valve cap (5), springs (7) are installed at the upper end and the lower end of the valve rod (6), a connector (9) is connected below the valve rod (6), a valve core (10) is fixedly connected below the connector (9), a first sealing gasket (11) is arranged on the surface of the lower portion of the valve body (1), a second sealing gasket (12) is arranged on the surface of the upper portion of the valve bottom (3), the lower portion of the valve body (1) is connected with the valve bottom (3) through a connecting bolt (13), a discharge port (14) is installed on the right side of the valve bottom (3), and a feed port (15) is arranged below the valve bottom (, the lower part of the valve cover (2) is fixedly connected with a connecting lug (17), a connecting clamping groove (22) is formed in the upper part of the valve body (1), and the surface of the valve body (1) is connected with a connecting screw rod (18).

2. A safety valve for a pressure vessel in accordance with claim 1, wherein: the upper end and the lower end of the valve rod (6) are both connected with a rubber pad (8) in an adhering mode, and the valve rod (6) is of a fixing structure connected with the valve cap (5) and the connector (9) in a clamping mode through the rubber pad (8).

3. A safety valve for a pressure vessel in accordance with claim 1, wherein: mounting holes (19) and sealing grooves (20) are formed in the surface of the second sealing gasket (12), four mounting holes (19) are formed in the surface of each sealing groove (20) at equal angles, and the inner diameter of each mounting hole (19) is equal to the outer diameter of each connecting bolt (13).

4. A safety valve for a pressure vessel in accordance with claim 1, wherein: the second is sealed to fill up (12) and first sealed the pad (11) and all is the ring form structure, and the below of valve body (1) is sealed the pad (12) and is the seal structure that the block is connected through first sealed pad (11) and the second of valve end (3) top.

5. A safety valve for a pressure vessel in accordance with claim 1, wherein: the inner surfaces of the discharge hole (14) and the feed hole (15) are detachably connected with a filter screen (16) through a connecting clamping block (21), and the inner diameter of the filter screen (16) is matched with the outer diameters of the discharge hole (14) and the feed hole (15).

6. A safety valve for a pressure vessel in accordance with claim 1, wherein: the connecting convex blocks (17) are arranged in one-to-one correspondence with the connecting clamping grooves (22) on the upper surface of the valve body (1), and the connecting convex blocks (17) below the valve cover (2) form a dismounting and mounting structure with the connecting clamping grooves (22) on the upper surface of the valve body (1) through the connecting screw rods (18).

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