CN211667221U - Positive arch combination formula rupture disk device for fire-fighting equipment - Google Patents

Abstract

The utility model discloses a positive arch combination formula rupture disc device for fire-fighting equipment relates to the rupture disc field, including first clamping ring, the lower fixed surface of first clamping ring is connected with first backing ring, the upper surface edge of the lower fixed surface of first backing ring connecting positive arch type rupture disc, the upper surface of the lower fixed surface edge fixed connection second backing ring of positive arch type rupture disc. The utility model discloses a two sides set up first backing ring and second backing ring about positive arch type rupture disk, can adjust arch type rupture disk well and play the effect of protection, and simultaneously, also can improve the sealing performance of this rupture disk, through setting up seal ring, can prevent that positive arch type rupture disk from producing the dislocation with first clamping ring and second clamping ring, avoid this rupture disk to take place the damage, gas leakage, phenomenons such as blasting in advance, through setting up fixed inserted bar, and the cooperation through fixed inserted bar and spacing dead lever is used, can be convenient for this rupture disk carries out the dismouting operation, improve dismouting efficiency.

Description

Positive arch combination formula rupture disk device for fire-fighting equipment

Technical Field

The utility model relates to a rupture disk field, in particular to just encircle rupture disk device for combination formula fire-fighting equipment.

Background

The rupture disk device is an emergency overpressure relief device which is driven by pressure difference and is not automatically closed, and is mainly used for protecting a pressure container, a pipeline or other closed systems to prevent the pressure container, the pipeline or other closed systems from being damaged due to excessive overpressure or vacuum.

At present, the clamping ring on the current rupture disk device is generally fixed through the screw, however the screw still needs specialized tool to assist and just can accomplish the dismantlement to the time that makes the dismouting increases, and current rupture disk device leads to seal gasket and rupture disk eccentric mounting easily because seal gasket's bore is inconsistent, the tolerance range of mounting hole is inconsistent, thereby influences burst pressure or makes the rupture disk take place phenomenons such as damage, gas leakage, explode in advance.

Therefore, it is necessary to provide a rupture disk device for a front arch combined fire fighting equipment to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positive arch combination formula rupture disc device for fire-fighting equipment, generally all fix through the screw with the clamping ring on the current rupture disc device that proposes in solving above-mentioned background, however the screw still needs specialized tool to assist just can accomplish the dismantlement, thereby make the time of dismouting increase, and current rupture disc device is because seal gasket's bore is inconsistent, the tolerance range of mounting hole is not unified, lead to seal gasket and rupture disc eccentric mounting easily, thereby influence burst pressure or make the rupture disc take place the damage, leak gas, the problem of phenomenons such as blasting in advance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a just encircle combination formula rupture disc device for fire-fighting equipment, includes first clamping ring, the first backing ring of lower fixed surface of first clamping ring is connected with, the upper surface edge of the positive arch type rupture disc of lower fixed surface of first backing ring connection, the upper surface of the lower fixed surface edge fixed connection second backing ring of the positive arch type rupture disc, the lower fixed surface of second backing ring is connected with second clamping ring.

Optionally, the lower ends of the two sides of the first compression ring are fixedly connected with first fixed blocks;

and the upper ends of the two sides of the second compression ring are fixedly connected with second fixed blocks.

Optionally, a sealing washer is fixedly installed between the first fixing block and the second fixing block;

the sealing washer is made of metal.

Optionally, the first fixing block, the second fixing block and the sealing washer are fixedly connected through a fixing inserted link;

the top end of the fixed inserted link is fixedly connected with a limiting block;

and a limiting fixed rod is inserted at the bottom end of the fixed inserting rod.

Optionally, the bottom end of the fixed inserted link is provided with a limiting jack;

the limiting fixing rod is positioned in the limiting jack and matched with the limiting jack.

Optionally, a rubber convex layer is fixedly connected to the outer side of the middle part of the limiting fixing rod;

thread grooves are formed in the middle of the two ends of the limiting fixing rod.

Optionally, a through hole is formed in the middle of the second fixing block;

the through holes correspond to the limiting jacks on the limiting fixing rods.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a two sides set up first backing ring and second backing ring about positive arch type rupture disk, can adjust arch type rupture disk well and play the effect of protection, simultaneously, also can improve the sealing performance of this rupture disk, through setting up seal ring, can prevent that positive arch type rupture disk from producing the dislocation with first clamping ring and second clamping ring, avoid this rupture disk to take place phenomenons such as damaged, gas leakage, blasting in advance.

2. The utility model discloses a set up fixed inserted bar, and use through the cooperation of fixed inserted bar and spacing dead lever, can be convenient for this rupture disk carries out the dismouting operation, improves dismouting efficiency, through set up the protruding layer of rubber on spacing dead lever, can increase the frictional force of spacing dead lever and spacing jack, avoids spacing dead lever to drop from spacing jack accident.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the front view and the sectional view of the structure of the present invention.

Fig. 3 is a schematic sectional view of the rubber convex layer structure of the present invention.

Fig. 4 is a schematic perspective view of the structure of the limiting fixing rod of the present invention.

In the figure: 1. a first pressure ring; 2. a first backing ring; 3. a positive arch rupture disk; 4. a second backing ring; 5. a second pressure ring; 6. a first fixed block; 7. a second fixed block; 8. a sealing gasket; 9. fixing the inserted rod; 10. a limiting fixing rod; 11. a thread groove; 12. a rubber convex layer; 13. limiting the jacks.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a positive arch combined type rupture disk device for fire fighting equipment as shown in figures 1-4, which comprises a first compression ring 1, wherein the lower surface of the first compression ring 1 is fixedly connected with a first backing ring 2, the lower ends of the two sides of the first compression ring 1 are both fixedly connected with a first fixed block 6, the lower surface of the first backing ring 2 is fixedly connected with the edge of the upper surface of a positive arch type rupture disk 3, the edge of the lower surface of the positive arch type rupture disk 3 is fixedly connected with the upper surface of a second backing ring 4, the upper and lower surfaces of the positive arch type rupture disk 3 are provided with the first backing ring 2 and the second backing ring 4, the positive arch type rupture disk 3 can play a role of protection, simultaneously, the sealing performance of the rupture disk can be improved, the lower surface of the second backing ring 4 is fixedly connected with a second compression ring 5, the upper ends of the two sides of the second compression ring 5 are both fixedly connected with second fixed blocks 7, a sealing washer 8 is fixedly arranged between the first compression ring 6 and the second fixed blocks 7, the sealing washer 8 is made of metal, the positive arch type rupture disk 3 can be prevented from being dislocated with the first compression ring 1 and the second compression ring 5 by arranging the sealing washer 8, the rupture disk is prevented from being damaged, air leakage, advanced blasting and the like, the first fixing block 6, the second fixing block 7 and the sealing washer 8 are fixedly connected through the fixing inserted link 9, the top end of the fixing inserted link 9 is fixedly connected with a limiting block, the bottom end of the fixing inserted link 9 is inserted with the limiting fixing rod 10, the fixing inserted link 9 is arranged, the rupture disk can be conveniently disassembled and assembled by matching the fixing inserted link 9 with the limiting fixing rod 10, the disassembling and assembling efficiency is improved, the bottom end of the fixing inserted link 9 is provided with the limiting insertion hole 13, the limiting fixing rod 10 is positioned in the limiting insertion hole 13 and matched with the limiting insertion hole, the outer side of the middle part of the limiting fixing rod 10 is fixedly connected with the rubber convex layer 12, the rubber convex layer, can increase the frictional force of spacing dead lever 10 and spacing jack 13, avoid spacing dead lever 10 to drop from spacing jack 13 accident, thread groove 11 has all been seted up at the both ends middle part of spacing dead lever 10, and the through-hole has been seted up at the middle part of second fixed block 7, and the through-hole is corresponding with spacing jack 13 on the spacing dead lever 10.

This practical theory of operation: when this rupture disk is dismantled to needs, at first, the user will have the screw rod of external screw thread to insert in the thread groove 11 on the spacing dead lever 10, then through the engaging force of screw thread, extract spacing dead lever 10 from spacing jack 13, at this moment, fixed inserted bar 9 is no longer fixed, take off it from first fixed block 6 and second fixed block 7 through the stopper on the fixed inserted bar 9, finally, separate first clamping ring 1, first backing ring 2, positive arch rupture disk 3 and second backing ring 4 in proper order can.

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 (7)

1. The utility model provides a positive arch combination formula rupture disc device for fire-fighting equipment, includes first clamping ring (1), its characterized in that: the lower fixed surface of first clamping ring (1) is connected with first backing ring (2), the upper surface edge of the positive arch type rupture disk (3) of the lower fixed surface of first backing ring (2) connects, the upper surface of the lower fixed surface edge fixed connection second backing ring (4) of positive arch type rupture disk (3), the lower fixed surface of second backing ring (4) is connected with second clamping ring (5).

2. The rupture disk device for a positive arch combined type fire fighting equipment according to claim 1, wherein:

the lower ends of the two sides of the first compression ring (1) are fixedly connected with first fixed blocks (6);

and the upper ends of the two sides of the second pressing ring (5) are fixedly connected with second fixed blocks (7).

3. The rupture disk device for a positive arch combined type fire fighting equipment according to claim 2, wherein:

a sealing washer (8) is fixedly arranged between the first fixing block (6) and the second fixing block (7);

the sealing washer (8) is made of metal.

4. The rupture disk device for a positive arch combined type fire fighting equipment according to claim 3, wherein:

the first fixing block (6), the second fixing block (7) and the sealing washer (8) are fixedly connected through a fixing inserted rod (9);

the top end of the fixed inserted link (9) is fixedly connected with a limiting block;

the bottom end of the fixed inserted link (9) is inserted with a limit fixed link (10).

5. The right arch combined type rupture disc device for fire fighting equipment according to claim 4, wherein:

the bottom end of the fixed inserted bar (9) is provided with a limit jack (13);

the limiting fixing rod (10) is positioned in the limiting insertion hole (13) and matched with the limiting insertion hole.

6. The right arch combined type rupture disc device for fire fighting equipment according to claim 4, wherein:

the outer side of the middle part of the limiting fixed rod (10) is fixedly connected with a rubber convex layer (12);

thread grooves (11) are formed in the middle of the two ends of the limiting fixing rod (10).

7. The right arch combined type rupture disc device for fire fighting equipment according to claim 4, wherein:

the middle part of the second fixing block (7) is provided with a through hole;

the through holes correspond to the limiting insertion holes (13) in the limiting fixing rod (10).

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