Safety valve with damping protection structure

Abstract

The utility model relates to the technical field of safety valves, in particular to a safety valve with a damping protection structure, which comprises a valve body, one end of the valve body is provided with a pressure relief opening and fixedly connected with a valve cover, one end of the valve cover is fixedly connected with a valve bonnet, one end of the valve body is provided with a first flange plate, and the other end of the valve body is provided with a second flange plate. A damping assembly is inserted into one end of the first flange plate, a second flange plate is inserted into one end of the damping assembly, and an equipment pipe is fixedly connected to one end of the second flange plate; according to the safety valve with the damping protection structure, the damping assembly is arranged between the first flange plate at the lower end of the valve body and the second flange plate at one end of the equipment pipe, so that the functions of reducing vibration of the valve body and improving sealing of the connecting position are achieved; and the phenomenon that the safety valve cannot be normally used due to medium leakage in equipment caused by loosening of the connecting bolt due to vibration of the valve body is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of safety valve, concretely is a safety valve with shock absorption protection structure. BACKGROUND

[0002] Safety valve is a kind of automatic valve, mainly used on boiler, pressure vessel and pipeline system, as overpressure protection device, its core function is when the medium pressure in equipment or pipeline exceeds the specified value, automatically opens and releases pressure, prevents the accident of system due to high pressure, safety valve belongs to automatic valve class, releases medium to system outside to maintain pressure in safety range, plays key protection role to personal safety and equipment operation.

[0003] The existing patent with the announcement number CN213393723U discloses a kind of safety valve of gas storage tank, belong to gas storage safety valve technical field.The utility model includes valve body, the top of valve body is fixedly installed with protective shell by bolt, the right side of valve body is communicated with exhaust pipe, the inside of valve body is provided with the inside fixed mounting of protective shell with installation block, the inside of protective shell is provided with adjusting seat, the inside of valve body and protective shell is provided with limit rod, the bottom of valve body cavity is fixedly installed with sealing element, the both sides in sealing element are equipped with installation groove, the inside of installation groove is fixedly installed with first rubber pad.The utility model realizes protection to gas storage tank by the cooperation between valve body and protective shell, by setting exhaust pipe for guiding the gas discharged from gas storage tank, by the cooperation between installation block and adjusting seat, the adjustment of the working pressure of valve body is realized, the utility model simultaneously solves the problem that existing safety valve cannot adjust its working pressure as required.

[0004] The above scheme and safety valve under prior art are usually directly fixedly connected to one end of equipment pipeline by bolt, since safety valve needs to be frequently impacted by high-pressure medium, vibration is prone to occur, since frequent vibration can cause safety valve and equipment connecting bolt to be loose, medium leakage is caused, so that safety valve cannot be normally used, and there is lack of corresponding shock absorption protection structure at this place, which needs to be improved and optimized. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of safety valve with shock absorption protection structure to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of safety valve with shock absorption protection structure including valve body, the one end of valve body is equipped with pressure relief port, the one end of valve body is fixedly connected with valve cover, the one end of valve cover is fixedly connected with valve cap, the one end of valve body is equipped with first flange plate, the one end of first flange plate is inserted with shock absorption component, the one end of shock absorption component is inserted with second flange plate, the one end of second flange plate is fixedly connected with equipment pipe.

[0007] Preferably, the first flange plate is bolted with the second flange plate.

[0008] Preferably, the first flange plate is fixedly connected with a protection ring body at one end, the first flange plate is provided with a first sealing groove at one end, the first flange plate is provided with a second sealing groove at one end, the first flange plate is provided with a fixed circular hole at one end, and the first flange plate is symmetrically provided with two groups of positioning cross grooves.

[0009] Preferably, the second flange plate is provided with a first sealing groove at one end, the second flange plate is provided with a second sealing groove at one end, the second flange plate is provided with a fixed circular hole at one end, and the second flange plate is symmetrically provided with two groups of positioning cross grooves.

[0010] Preferably, the damping assembly comprises a damping rubber ring, the damping rubber ring is symmetrically provided with two groups of first sealing rings at two ends, the damping rubber ring is symmetrically provided with two groups of second sealing rings at two ends, the damping rubber ring is symmetrically provided with two groups of cross positioning plug blocks at two ends, the damping rubber ring is provided with a spring hole at one end, a spring is inserted into the spring hole, and the damping rubber ring is provided with a fixed circular hole at one end.

[0011] Preferably, the first sealing ring is correspondingly inserted into the first sealing groove, the second sealing ring is correspondingly inserted into the second sealing groove, and the cross positioning plug block is correspondingly inserted into the positioning cross groove.

[0012] Preferably, one end of the spring is extruded to one end of the first flange plate, and the other end of the spring is extruded to one end of the second flange plate.

[0013] Compared with the prior art, the safety valve with the damping protection structure has the beneficial effects that:

[0014] The safety valve with the damping protection structure mainly realizes the functions of reducing vibration of the valve body and increasing sealing of the connecting part by arranging the damping assembly between the first flange plate at the lower end of the valve body and the second flange plate at one end of the equipment pipe, so that the medium in the equipment is prevented from leaking due to loosening of the connecting bolt caused by vibration of the valve body, and the safety valve can be normally used. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the safety valve with the damping protection structure.

[0016] Figure 2 It is an explosion view of the safety valve with the damping protection structure.

[0017] Figure 3 It is a structural schematic view of the safety valve with the damping protection structure. Figure 2 It is an enlarged schematic view of the A part.

[0018] Figure 4Another perspective exploded view of a safety valve with a shock-absorbing protective structure;

[0019] Figure 5 For Figure 4 Enlarged view of the B part.

[0020] In the figure: valve body 1, pressure relief port 2, valve cover 3, valve cap 4, first flange plate 5, protective ring body 501, first sealing groove 502, second sealing groove 503, fixed circular hole 504, positioning cross groove 505, shock-absorbing rubber ring 601, first sealing ring 602, second sealing ring 603, cross positioning plug 604, spring hole 605, spring 606, second flange plate 7, equipment pipe 8. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model clear, complete description, and the advantage is more clear and obvious, the following will combine the figure to carry out further detailed explanation to the utility model embodiment. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for limiting the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides the following kind of preferred scheme embodiment:

[0023] Embodiment one: a safety valve with a shock-absorbing protective structure includes valve body 1, the valve body 1 one end is equipped with pressure relief port 2, the valve body 1 one end is fixedly connected with valve cover 3, the valve cover 3 one end is fixedly connected with valve cap 4, the valve body 1 one end is equipped with first flange plate 5, the first flange plate 5 one end is inserted with shock-absorbing assembly, the shock-absorbing assembly one end is inserted with second flange plate 7, the second flange plate 7 one end is fixedly connected with equipment pipe 8;The first flange plate 5 bolt connection with second flange plate 7.

[0024] When using, the first flange plate 5 of valve body 1 one end is inserted with shock-absorbing assembly and is fixed by bolt nut between the second flange plate 7 of equipment pipe 8 one end, when the medium pressure in pipe is too large during equipment use, valve body 1 in the valve clapper and spring are extruded, so that the valve clapper is separated from the pipe opening, and the medium in the pipe is discharged from pressure relief port 2, the shock-absorbing assembly plays a shock-absorbing role, and the valve body is avoided from being connected loose due to long-term high-pressure impact vibration.

[0025] The first flange plate 5 is fixedly connected with a protective ring body 501 at one end, and is provided with a first sealing groove 502, a second sealing groove 503, a fixed circular hole 504 and two sets of positioning cross grooves 505 at one end; the second flange plate 7 is provided with a first sealing groove 502, a second sealing groove 503, a fixed circular hole 504 and two sets of positioning cross grooves 505 at one end; the damping assembly comprises a damping rubber ring 601, which is symmetrically provided with two sets of first sealing rings 602, two sets of second sealing rings 603, two sets of cross positioning plug blocks 604 at both ends, a spring hole 605 at one end, and a fixed circular hole 504 at one end; the first sealing ring 602 is correspondingly inserted into the first sealing groove 502, the second sealing ring 603 is correspondingly inserted into the second sealing groove 503, and the cross positioning plug block 604 is correspondingly inserted into the positioning cross groove 505; one end of the spring 606 is pressed against one end of the first flange plate 5, and the other end of the spring 606 is pressed against one end of the second flange plate 7.

[0026] In use, during installation, the cross positioning plug block 604 at the lower end of the damping rubber ring 601 is aligned and inserted into the positioning cross groove 505 at one end of the second flange plate 7, wherein the first sealing ring 602 and the second sealing ring 603 at the lower end of the damping rubber ring 601 are correspondingly inserted into the first sealing groove 502 and the second sealing groove 503 at one end of the second flange plate 7 to play a sealing role, a plurality of springs 606 are inserted into the spring hole 605, the cross positioning plug block 604 at the upper end of the damping rubber ring 601 is aligned and inserted into the two sets of positioning cross grooves 505 at one end of the first flange plate 5, wherein the first sealing ring 602 and the second sealing ring 603 at the upper end of the damping rubber ring 601 are correspondingly inserted into the first sealing groove 502 and the second sealing groove 503 at one end of the first flange plate 5 to play a sealing role, and then the bolts are inserted and the nuts are tightened, wherein the spring 606 is pressed against the first flange plate 5 and the second flange plate 7 to play a damping role, wherein the cross positioning plug block 604 and the damping rubber ring 601 also play a damping role, wherein the cross positioning plug block 604 and the positioning cross groove 505 also play a pre-positioning and limiting role, and wherein the first sealing ring 602, the second sealing ring 603, the first sealing groove 502 and the second sealing groove 503 improve the sealing performance of the connection.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A safety valve with shock-absorbing protective structure, comprising a valve body (1), one end of the valve body (1) being provided with a pressure relief port (2), one end of the valve body (1) being fixedly connected with a valve cover (3), one end of the valve cover (3) being fixedly connected with a valve bonnet (4), characterized in that: The valve body (1) is provided with a first flange plate (5) at one end, the first flange plate (5) is inserted with a damping assembly at one end, the damping assembly is inserted with a second flange plate (7) at one end, and the second flange plate (7) is fixedly connected with a device pipe (8) at one end.

2. A relief valve with a shock absorbing guard structure according to claim 1, characterized in that: The first flange plate (5) is bolted with the second flange plate (7).

3. A relief valve with a shock absorbing guard structure according to claim 1, characterized in that: The first flange plate (5) is fixedly connected with a protective ring body (501) at one end, the first flange plate (5) is provided with a first sealing groove (502) at one end, the first flange plate (5) is provided with a second sealing groove (503) at one end, the first flange plate (5) is provided with a fixed circular hole (504) at one end, and the first flange plate (5) is provided with two groups of positioning cross grooves (505) symmetrically.

4. A relief valve with a shock absorbing guard structure according to claim 1, characterized in that: The second flange plate (7) is provided with a first sealing groove (502) at one end, the second flange plate (7) is provided with a second sealing groove (503) at one end, the second flange plate (7) is provided with a fixed circular hole (504) at one end, and the second flange plate (7) is provided with two groups of positioning cross grooves (505) symmetrically.

5. A relief valve with a shock absorbing guard structure according to claim 1, characterized in that: The damping assembly comprises a damping rubber ring (601), the damping rubber ring (601) is provided with two groups of first sealing rings (602) symmetrically at both ends, the damping rubber ring (601) is provided with two groups of second sealing rings (603) symmetrically at both ends, the damping rubber ring (601) is provided with two groups of cross positioning plug blocks (604) symmetrically at both ends, the damping rubber ring (601) is provided with a spring hole (605) at one end, the spring hole (605) is inserted with a spring (606), and the damping rubber ring (601) is provided with a fixed circular hole (504) at one end.

6. A relief valve with a shock absorbing guard structure according to claim 5, characterized in that: The first sealing ring (602) is correspondingly inserted into the first sealing groove (502), the second sealing ring (603) is correspondingly inserted into the second sealing groove (503), and the cross positioning plug block (604) is correspondingly inserted into the positioning cross groove (505).

7. A relief valve with a shock absorbing guard structure according to claim 5, characterized in that: One end of the spring (606) is extruded into one end of the first flange plate (5), and the other end of the spring (606) is extruded into one end of the second flange plate (7).

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