CN210623706U

CN210623706U - Emergency relief valve capable of protecting storage tank from being damaged

Info

Publication number: CN210623706U
Application number: CN201921615021.9U
Authority: CN
Inventors: 郁勇
Original assignee: Jiangsu Fushen Special Valve Co Ltd
Current assignee: Jiangsu Fushen Special Valve Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-05-26
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a can protect not impaired urgent bleeder valve of storage tank, including valve body and valve gap, the top of valve body and the bottom swing joint of valve gap, the mounting groove has been seted up at the top of valve body, and the equal fixedly connected with dead lever in both sides of mounting groove inner wall bottom, there is the fly leaf through slide rail sliding connection between the relative one side of mounting groove inner wall, the utility model relates to an urgent bleeder valve technical field. This can protect not impaired urgent bleeder valve of storage tank, the mounting groove has been seted up through the top of valve body, make the sealing washer be located between valve gap and the valve body, and make being connected between sealing washer and the valve gap inseparabler, the leakproofness between valve gap and the valve body has been improved, it is safer to use, fixed surface through the backup pad is connected with the valve barrel, the top swing joint of valve barrel has the valve rod, when the inside pressure of storage tank was too big, can push away the valve gap automation, carry out the pressure release, the protection storage tank can not receive the damage.

Description

Emergency relief valve capable of protecting storage tank from being damaged

Technical Field

The utility model relates to an emergency relief valve technical field specifically is a can protect not impaired emergency relief valve of storage tank.

Background

The emergency relief valve is opened emergently to release pressure instantly to ensure the safety in the tank under the condition of fire or other emergency, the emergency relief valve can execute emergency relief and vacuum relief, under the emergency condition (the outside of the tank is exposed to the fire condition), the possible discharge amount of a common exhaust device is too small to prevent the tank from being relieved due to the overpressure of the emergency condition, the emergency relief valve is provided with a necessary pressure relief device and a necessary vacuum relief device to keep the tank in a safe working range, the emergency relief valve is divided into an emergency pressure relief valve, an emergency pressure relief valve or a vacuum relief valve according to the pressure form, the emergency relief valve is divided into gravity loading, spring loading and pilot valve loading according to the loading form, and the emergency relief valve is divided into hinge opening and vertical opening according to the opening form.

At present, in order to protect the storage tank from being damaged in case of fire or other emergency, an emergency relief valve is generally arranged at the top of the storage tank to perform emergency pressure relief, and when the emergency relief valve is used, a sealing ring is generally arranged between a valve cover and a valve body, but the sealing ring is generally arranged in a groove at the top of the valve body, and the sealing ring easily loses elasticity after long-time use, so that the contact between the valve cover and the valve body is not tight enough, and the sealing performance is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a can protect not impaired emergency relief valve of storage tank has solved the sealing washer and has generally set up at the inslot at valve body top, uses the back sealing washer for a long time and loses elasticity easily for contact between valve gap and the valve body is inseparable enough, leads to the problem that leakproofness reduces.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an emergency relief valve capable of protecting a storage tank from being damaged comprises a valve body and a valve cover, wherein the top of the valve body is movably connected with the bottom of the valve cover, the top of the valve body is provided with an installation groove, and both sides of the bottom of the inner wall of the mounting groove are fixedly connected with fixed rods, a movable plate is connected between the opposite sides of the inner wall of the mounting groove in a sliding way through a slide rail, one end of the fixed rod far away from the inner wall of the mounting groove penetrates through the movable plate and extends to the outside of the movable plate, springs are fixedly connected between the two sides of the bottom of the inner wall of the mounting groove and the opposite sides of the two fixing rods, and one end of the spring far away from the inner wall of the mounting groove is fixedly connected with the bottom of the movable plate, the top of the movable plate is fixedly connected with a fixed block, and one side fixedly connected with that the fly leaf was kept away from to the fixed block and the sealing washer of mounting groove looks adaptation, the fixed slot with sealing washer looks adaptation is seted up to the bottom of valve gap.

Preferably, the fixed rod extends to the outside one end fixedly connected with dog of fly leaf, the equal fixedly connected with backup pad in both sides of valve body inner wall.

Preferably, the surface of the supporting plate is fixedly connected with a valve sleeve, and the top of the valve sleeve is movably connected with a valve rod.

Preferably, the bottom of the valve rod penetrates through the valve sleeve and extends to the outside of the valve sleeve, and one end of the valve rod, which is far away from the valve sleeve, is fixedly connected with the bottom of the valve cover.

Preferably, the right side fixedly connected with coupling assembling of valve body, and coupling assembling's top just is located the fixedly connected with protection casing directly over the valve gap.

Preferably, the top fixedly connected with connector of protection casing, the equal fixedly connected with connecting rod in both sides at protection casing top.

Preferably, the one end that the connecting rod is close to the protection casing runs through protection casing and valve gap in proper order and extends to the inside of valve gap, the bottom fixedly connected with ring flange of valve body, and the mounting hole has been seted up at the top of ring flange.

Advantageous effects

The utility model provides a can protect not impaired emergency relief valve of storage tank. Compared with the prior art, the method has the following beneficial effects:

(1) the emergency relief valve capable of protecting the storage tank from being damaged is characterized in that a mounting groove is formed in the top of a valve body, fixing rods are fixedly connected to two sides of the bottom of the inner wall of the mounting groove, a movable plate is connected between opposite sides of the inner wall of the mounting groove in a sliding manner through a sliding rail, one end, far away from the inner wall of the mounting groove, of each fixing rod penetrates through the movable plate and extends to the outside of the movable plate, springs are fixedly connected to two sides of the bottom of the inner wall of the mounting groove and between the two opposite sides of the two fixing rods, one end, far away from the inner wall of the mounting groove, of each spring is fixedly connected with the bottom of the corresponding movable plate, a fixing block is fixedly connected to the top of the corresponding movable plate, a sealing ring matched with the mounting groove is fixedly connected, the sealing performance between the valve cover and the valve body is improved, and the use is safer.

(2) This can protect not impaired urgent bleeder valve of storage tank, fixed surface through the backup pad is connected with the valve barrel, and the top swing joint of valve barrel has the valve rod, and the bottom of valve rod runs through the valve barrel and extends to the outside of valve barrel, and the valve rod is kept away from the one end of valve barrel and the bottom fixed connection of valve gap, and when the inside pressure of storage tank was too big, can push up the valve gap is automatic, carries out the pressure release, and the protection storage tank can not receive the damage.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the valve comprises a valve body 1, a valve cover 2, a mounting groove 3, a fixing rod 4, a movable plate 5, a spring 6, a fixing block 7, a sealing ring 8, a fixing groove 9, a stop block 10, a support plate 11, a valve sleeve 12, a valve rod 13, a connecting assembly 14, a protective cover 15, a connector 16, a connecting rod 17, a flange 18 and a mounting hole 19.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an emergency relief valve capable of protecting a storage tank from being damaged comprises a valve body 1 and a valve cover 2, wherein when the pressure in the storage tank is too high, the valve cover 2 can be automatically pushed open to relieve the pressure to protect the storage tank from being damaged, the top of the valve body 1 is movably connected with the bottom of the valve cover 2, a connecting assembly 14 is fixedly connected to the right side of the valve body 1 and has the function of connecting the valve cover 2 with the valve body 1 through the arrangement of the connecting assembly 14, a protective cover 15 is fixedly connected to the top of the connecting assembly 14 and is positioned right above the valve cover 2, the interior of the valve body 1 can be prevented from water through the arrangement of the protective cover 15, a connector 16 is fixedly connected to the top of the protective cover 15, connecting rods 17 are fixedly connected to two sides of the top of the protective cover 15, one end, close to the protective cover 15, of each connecting rod 17 sequentially penetrates through the protective, and the top of the flange 18 is provided with a mounting hole 19 which can be fixedly connected with the top of the storage tank through the flange 18 and the mounting hole 19, the top of the valve body 1 is provided with a mounting groove 3, both sides of the bottom of the inner wall of the mounting groove 3 are fixedly connected with a fixing rod 4, one end of the fixing rod 4 extending to the outside of the movable plate 5 is fixedly connected with a stop block 10, both sides of the inner wall of the valve body 1 are fixedly connected with supporting plates 11, the surface of the supporting plate 11 is fixedly connected with a valve sleeve 12, the top of the valve sleeve 12 is movably connected with a valve rod 13, the bottom of the valve rod 13 penetrates through the valve sleeve 12 and extends to the outside of the valve sleeve 12, one end of the valve rod 13 far away from the valve sleeve 12 is fixedly connected with the bottom of the valve cover 2, the movable plate 5, the both sides of 3 inner wall bottoms of mounting groove and be located equal fixedly connected with spring 6 between two relative one sides of dead lever 4, spring 6 can be changed, guarantee elasticity, and spring 6 keeps away from the one end of 3 inner walls of mounting groove and the bottom fixed connection of fly leaf 5, the top fixedly connected with fixed block 7 of fly leaf 5, and fixed block 7 keeps away from the sealing washer 8 of one side fixedly connected with and 3 looks adaptations of mounting groove of fly leaf 5, sealing washer 8 can be changed, guarantee elasticity, fixed slot 9 with 8 looks adaptations of sealing washer is seted up to the bottom of valve gap 2.

When the emergency relief valve is used, the flange plate 18 at the bottom of the valve body 1 is connected and fixed with a flange at the top of a storage tank, the pressure inside the storage tank is overlarge, when the pressure exceeds a set value, the valve cover 2 of the emergency relief valve is automatically pushed open to perform emergency pressure relief, the pressure in the tank is kept normal, when the pressure inside the storage tank is normal, the valve cover 2 of the emergency relief valve and the valve body 1 basically keep a sealing state, the storage tank is at normal pressure, the valve cover 2 is pressed on the valve body 1, the sealing ring 8 enters the fixing groove 9 on the valve cover 2, the valve cover 2 extrudes the sealing ring 8, so that the sealing ring 8 moves towards the inside of the mounting groove 3 to extrude the movable plate 5, the movable plate 5 slides towards the inside of the mounting groove 3 on the fixing rod 4, the spring 6 is extruded, the spring 6 is rebounded under stress, the sealing performance is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can protect not impaired emergency relief valve of storage tank, includes valve body (1) and valve gap (2), the bottom swing joint of the top of valve body (1) and valve gap (2), its characterized in that: the valve comprises a valve body (1), a mounting groove (3) is formed in the top of the valve body (1), fixing rods (4) are fixedly connected to two sides of the bottom of the inner wall of the mounting groove (3), a movable plate (5) is connected between one opposite sides of the inner wall of the mounting groove (3) in a sliding mode through sliding rails, one end, far away from the inner wall of the mounting groove (3), of each fixing rod (4) penetrates through the movable plate (5) and extends to the outside of the movable plate (5), springs (6) are fixedly connected to two sides of the bottom of the inner wall of the mounting groove (3) and located between one opposite sides of the two fixing rods (4), one end, far away from the inner wall of the mounting groove (3), of each spring (6) is fixedly connected with the bottom of the movable plate (5), a fixed block (7) is fixedly connected to the top of the movable, the bottom of the valve cover (2) is provided with a fixing groove (9) matched with the sealing ring (8).

2. An emergency relief valve for protecting a storage tank from damage according to claim 1, wherein: the fixed rod (4) extends to one end of the outside of the movable plate (5) and is fixedly connected with a stop block (10), and supporting plates (11) are fixedly connected to the two sides of the inner wall of the valve body (1).

3. An emergency relief valve for protecting a storage tank from damage according to claim 2, wherein: the surface of the supporting plate (11) is fixedly connected with a valve sleeve (12), and the top of the valve sleeve (12) is movably connected with a valve rod (13).

4. An emergency relief valve for protecting a storage tank from damage according to claim 3, wherein: the bottom of the valve rod (13) penetrates through the valve sleeve (12) and extends to the outside of the valve sleeve (12), and one end, far away from the valve sleeve (12), of the valve rod (13) is fixedly connected with the bottom of the valve cover (2).

5. An emergency relief valve for protecting a storage tank from damage according to claim 1, wherein: the right side fixedly connected with coupling assembling (14) of valve body (1), and the top of coupling assembling (14) just is located directly over valve gap (2) fixedly connected with protection casing (15).

6. An emergency relief valve for protecting a storage tank from damage according to claim 5, wherein: the top fixedly connected with connector (16) of protection casing (15), the equal fixedly connected with connecting rod (17) in both sides at protection casing (15) top.

7. An emergency relief valve for protecting a storage tank from damage according to claim 6, wherein: the one end that connecting rod (17) are close to protection casing (15) runs through protection casing (15) and valve gap (2) in proper order and extends to the inside of valve gap (2), the bottom fixedly connected with ring flange (18) of valve body (1), and mounting hole (19) have been seted up at the top of ring flange (18).