Pressure relief mechanism of pressure vessel

Abstract

The utility model discloses a pressure relief mechanism of a pressure container, and relates to the technical field of pressure containers, in particular to a gas storage tank, a pressure relief pipe is fixedly mounted at the top of the outer wall of one side of the gas storage tank, a supporting pipe is fixedly mounted on the upper surface of one side of the pressure relief pipe, and a valve seat is fixedly mounted on the outer wall of the supporting pipe. A valve body is fixedly installed on the upper surface of the valve seat, a movable column is movably connected to the inner wall of the supporting pipe, and a connecting block is fixedly installed at the bottom end of the movable column. The sealing ring on the lower surface of the valve plate is driven to be tightly attached to the inner wall of the clamping groove, the through hole is closed, the pressure relief channel is arranged to be of a straight-through type conveying structure, the baffle is obliquely arranged, when the through hole is opened, the flowing speed of a medium in the pressure relief pipe can be increased, pressure relief operation is more timely, and the pressure relief effect is better. Compared with a traditional piston pressure relief structure, the device is more stable in structural strength, and the conveying stability degree of pressure relief gas is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure vessel technical field, concretely is a pressure vessel's pressure relief mechanism. BACKGROUND

[0002] Pressure vessel refers to the sealed equipment that is filled with gas or liquid and bears pressure, and the pressure vessel is widely used, and has an important position and role in many departments such as industry, civil use, military industry and many fields of scientific research, when the pressure in equipment or pipeline exceeds the set pressure of pressure relief valve, it is automatically opened to release pressure, ensures that the pressure of medium in equipment and pipeline is below the set pressure, protects equipment and pipeline, and prevents accidents.

[0003] The safety pressure relief valve disclosed in the Chinese utility model patent application publication specification CN212839577U has the characteristics of saving installation space, simple structure, overpressure protection, convenient installation, high safety performance, good heating effect and the like, but the safety pressure relief valve adopts the pressure relief mechanism of multiple-path delivery pipeline, the flow speed of medium in the container in the pressure relief pipeline is low, the pressure relief operation of the container is not timely enough, the sealing state in the device is poor in the process of adjusting the pressure relief mechanism, and the pressure relief gas is prone to leak along the movable adjusting mechanism of the device. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a pressure relief mechanism of pressure vessel, and solves the problems in the background art.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model discloses a pressure relief mechanism of pressure vessel through the following technical scheme is realized: including gas storage tank, one side outer wall top of gas storage tank is fixedly installed with pressure relief pipe, one side upper surface of pressure relief pipe is fixedly installed with support pipe, the outer wall of support pipe is fixedly installed with valve seat, the upper surface of valve seat is fixedly installed with valve body, the inner wall of support pipe is movably connected with movable column, the bottom of movable column is fixedly installed with connecting block, the bottom of connecting block is fixedly installed with valve plate, the inner wall of pressure relief pipe is fixedly installed with baffle, the one side outer wall of baffle is provided with through -hole, the one side outer wall of baffle is provided with clamping slot, the lower surface of valve plate is fixedly installed with sealing ring, the top of movable column is fixedly connected with receiving tray, the lower surface middle part of receiving tray is fixedly installed with rubber ring, the upper surface middle part of receiving tray is fixedly installed with pull rod, the top of pull rod is fixedly connected with linkage rod, the inside upper surface of valve body is fixedly installed with mounting disc, the one side lower surface of mounting disc is fixedly installed with mounting block, the outer wall of mounting block is equipped with positioning spring, the outer wall bottom of linkage rod is provided with symmetrical slide groove, the inner wall top of valve body is fixedly installed with positioning plate.

[0008] Optionally, the lower surface of the gas storage tank is fixedly installed with support columns symmetrically, and the outer surface of the gas storage tank is fixedly installed with guide pipes symmetrically.

[0009] Optionally, the upper surface of the gas storage tank is fixedly installed with derricks symmetrically, and the upper surface of one side of the gas storage tank is provided with a gas pressure gauge.

[0010] Optionally, the top of the one side outer wall of the gas storage tank is fixedly installed with an extension plate, the top of the outer wall of the extension plate is fixedly installed with a support plate, and the end of the pressure relief pipe is provided with a threaded groove.

[0011] Optionally, the top of the valve body is fixedly installed with a top cover, and the upper surface of the top cover is fixedly installed with an internally-threaded sleeve.

[0012] Optionally, the inner wall of the internally-threaded sleeve is threadedly installed with an externally-threaded rod, and the top of the externally-threaded rod is fixedly installed with a handle.

[0013] Optionally, the bottom of the externally-threaded rod is fixedly connected with a connecting disc, and the top of the linkage rod is fixedly installed with a positioning disc.

[0014] Optionally, the top of the outer wall of the linkage rod is provided with a mounting groove, and the inner wall of the mounting groove is fixedly installed with rubber pads symmetrically.

[0015] (Three) beneficial effects

[0016] The utility model provides a pressure relief mechanism of pressure vessel has the following beneficial effects:

[0017] 1. The pressure relief mechanism of the pressure container, the through hole is arranged on the outer surface of the baffle, when the movable column drives the valve plate to separate from the baffle through the connecting block, the pressure medium in the gas storage tank can be discharged along the pressure relief pipe, the sealing ring on the lower surface of the valve plate is tightly attached to the inner wall of the clamping groove, the through hole is closed, the pressure relief channel is arranged as a straight-through conveying structure, and the baffle is arranged obliquely, when the through hole is opened, the flow speed of the medium in the pressure relief pipe can be accelerated, the pressure relief operation is more timely, compared with the traditional piston pressure relief structure, the structural strength of the device is more stable, and the conveying stability of the pressure relief gas is enhanced.

[0018] 2. The pressure relief mechanism of the pressure container, during the pressure relief operation, the top cover can seal the top end of the valve body, the linkage rod can drive the rubber pad to displace synchronously during movement adjustment, the connecting seam between the valve body and the linkage rod and the connecting seam between the top cover and the linkage rod are sealed, so that the device inside can be kept in a sealed state in real time during adjustment of the pressure relief mechanism, the pressure relief gas can be effectively prevented from leaking outside, and the purpose of safe pressure relief operation is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional side view schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a three-dimensional sectional view schematic diagram of the structure of the utility model;

[0021] Figure 3 It is a partial three-dimensional sectional view schematic diagram of the structure of the utility model;

[0022] Figure 4 It is a three-dimensional side sectional view schematic diagram of the pressure relief structure of the utility model;

[0023] Figure 5 It is a partial three-dimensional sectional view schematic diagram of the structure of the utility model;

[0024] Figure 6 It is a three-dimensional sectional view schematic diagram of the pressure relief structure of the utility model; Figure 3 It is an enlarged schematic diagram of the A area structure of the utility model;

[0025] Figure 7 It is an enlarged schematic diagram of the B area structure of the utility model; Figure 4 It is an enlarged schematic diagram of the C area structure of the utility model.

[0026] Figure 8 It is an enlarged schematic diagram of the C area structure of the utility model. Figure 4 It is an enlarged schematic diagram of the C area structure of the utility model.

[0027] In the figure: 1, gas tank; 2, pressure relief pipe; 3, support pipe; 4, valve seat; 5, valve body; 6, movable column; 7, connecting block; 8, valve plate; 9, baffle; 10, through hole; 11, clamping groove; 12, sealing ring; 13, receiving disc; 14, rubber ring; 15, pull rod; 16, linkage rod; 17, mounting disc; 18, mounting block; 19, positioning spring; 20, sliding groove; 21, positioning plate; 22, support column; 23, guide pipe; 24, suspender; 25, air pressure gauge; 26, extension plate; 27, support plate; 28, threaded groove; 29, top cover; 30, internally threaded sleeve; 31, externally threaded rod; 32, handle; 33, connecting disc; 34, positioning disc; 35, mounting groove; 36, rubber pad. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Embodiment 1

[0029] Please refer to Figures 1 to 8 The utility model provides technical scheme: a pressure relief mechanism of pressure vessel, including gas tank 1, one side outer wall top of gas tank 1 is fixedly installed with pressure relief pipe 2, one side upper surface of pressure relief pipe 2 is fixedly installed with support pipe 3, and the outer wall of support pipe 3 is fixedly installed with valve seat 4, and the upper surface of valve seat 4 is fixedly installed with valve body 5, and the inner wall of support pipe 3 is movably connected with movable column 6, and the bottom of movable column 6 is fixedly installed with connecting block 7, and the bottom of connecting block 7 is fixedly installed with valve plate 8, and the inner wall of pressure relief pipe 2 is fixedly installed with baffle 9, and one side outer wall of baffle 9 is provided with through hole 10, and one side outer wall of baffle 9 is provided with clamping groove 11, and the lower surface of valve plate 8 is fixedly installed with sealing ring 12, and the top of movable column 6 is fixedly connected with receiving disc 13, and the lower surface middle part of receiving disc 13 is fixedly installed with rubber ring 14, and the upper surface middle part of receiving disc 13 is fixedly installed with pull rod 15, and the top of pull rod 15 is fixedly connected with linkage rod 16, and the inside upper surface of valve body 5 is fixedly installed with mounting disc 17, and one side lower surface of mounting disc 17 is fixedly installed with mounting block 18, and the outer wall of mounting block 18 is equipped with positioning spring 19, and the outer wall bottom of linkage rod 16 is symmetrically provided with sliding groove 20, and the inner wall top of valve body 5 is symmetrically fixedly installed with positioning plate 21, and the sealing ring 12 of valve plate 8 lower surface is closely combined with the inner wall of clamping groove 11, and the closure of through hole 10 is realized, and the device is set up into straight-through type conveying structure through pressure relief channel, and baffle 9 is set up obliquely, when opening through hole 10, can speed up the flow speed of medium in pressure relief pipe 2, and the pressure relief operation of container is more timely, compared with traditional piston pressure relief structure, the structural strength of the device is more stable, and the conveying stability degree of pressure relief gas is enhanced.

[0030] In this embodiment, by setting the pressure relief pipe 2 on the outer surface of the gas storage tank 1, the pressure relief conveying of the storage medium is realized, by setting the support pipe 3 on the upper surface of the pressure relief pipe 2, and by cooperating with the valve seat 4, the support positioning of the valve body 5 is realized, in the actual pressure relief operation process, by setting the linkage rod 16 on the inner wall top of the valve body 5, and by the sliding connection and cooperation of the sliding groove 20 and the positioning plate 21, the lifting sliding along the inner wall of the valve body 5 is realized, and in turn drives the pull rod 15, the receiving disc 13 and the movable column 6 to move up and down, in this process, by setting the mounting disc 17 on the inner wall of the valve body 5, and by the cooperation of the mounting block 18, the support positioning of the positioning spring 19 is realized, by the force of the positioning spring 19, the receiving disc 13 is driven to be attached to the support pipe 3, and the tight connection is realized by the cooperation of the rubber ring 14, at the same time, by setting the baffle 9 on the inner wall of the pressure relief pipe 2 and corresponding to the movable column 6, by setting the through hole 10 on the outer surface of the baffle 9, when the valve plate 8 is separated from the baffle 9 by the connecting block 7, the pressure medium in the gas storage tank 1 can be discharged along the pressure relief pipe 2, by driving the sealing ring 12 on the lower surface of the valve plate 8 to tightly attach to the inner wall of the clamping groove 11, the closure of the through hole 10 is realized, the device sets the pressure relief channel into a straight-through conveying structure, and sets the baffle 9 obliquely, when the through hole 10 is opened, the flow speed of the medium in the pressure relief pipe 2 can be accelerated, compared with the traditional piston pressure relief structure, the device has more stable structure strength, and the conveying stability of the pressure relief gas is enhanced. Embodiment 2

[0031] Please refer to Figures 1 to 8The utility model provides technical scheme: a pressure relief mechanism of pressure vessel, the lower surface of gas storage tank 1 is fixedly installed with support column 22 in symmetry, the outer surface of gas storage tank 1 is fixedly installed with pipe 23 in symmetry, the upper surface of gas storage tank 1 is fixedly installed with derrick 24 in symmetry, the upper surface of one side of gas storage tank 1 is equipped with barometer 25, the top of the outer wall of one side of gas storage tank 1 is fixedly installed with extension plate 26, the top of the outer wall of extension plate 26 is fixedly installed with support plate 27, the end of pressure relief pipe 2 is equipped with thread groove 28, the top of valve body 5 is fixedly installed with top cover 29, the upper surface of top cover 29 is fixedly installed with internal thread sleeve pipe 30, the inner wall of internal thread sleeve pipe 30 is fixedly installed with external thread rod 31, the top of external thread rod 31 is fixedly installed with grip lever 32, the bottom of external thread rod 31 is fixedly connected with connecting disc 33, the top of linkage lever 16 is fixedly installed with locating disc 34, the top of the outer wall of linkage lever 16 is equipped with installation groove 35, the inner wall of installation groove 35 is fixedly installed with rubber pad 36 in symmetry, in the pressure relief operation process, top cover 29 can close the top of valve body 5, linkage lever 16 can drive rubber pad 36 displacement while moving adjustment, realize the sealing treatment of the connecting seam of valve body 5 and linkage lever 16 and the connecting seam of top cover 29 and linkage lever 16, make the inside of the device keep sealed state in real time in the process of adjusting pressure relief mechanism, can effectively avoid the leakage of pressure relief gas along the device, reaches the purpose of safe pressure relief operation.

[0032] In the embodiment, a plurality of support columns 22 are arranged on the lower surface of the gas storage tank 1 in a ring array for supporting and fixing the gas storage tank 1. The pipe 23 is arranged on the outer wall of the gas storage tank 1 to realize the delivery of the storage medium. The derrick 24 and the barometer 25 are cooperated to realize the lifting and pressure display of the gas storage tank 1. In actual use, the extension plate 26 is arranged on the outer wall of the gas storage tank 1, and the support plate 27 is cooperated to support and position the internal thread sleeve pipe 30. A person holds the grip lever 32 to rotate the external thread rod 31, and drives the connecting disc 33 to rotate. The connecting disc 33 is rotatably connected with the locating disc 34. In the process of rotating and lifting the external thread rod 31, the linkage lever 16 can be lifted and moved synchronously, and the rubber pad 36 can be moved along the top cover 29 synchronously through the cooperation of the installation groove 35, so as to realize the lifting and moving operation of the pressure relief mechanism. In the pressure relief operation process, the top cover 29 can close the top of the valve body 5. The linkage lever 16 can drive the rubber pad 36 to displace while moving adjustment, realize the sealing treatment of the connecting seam of the valve body 5 and the linkage lever 16 and the connecting seam of the top cover 29 and the linkage lever 16, make the inside of the device keep sealed state in real time in the process of adjusting pressure relief mechanism, can effectively avoid the leakage of pressure relief gas along the device, reaches the purpose of safe pressure relief operation, is suitable for popularization and application.

[0033] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A pressure relief mechanism of a pressure vessel comprising a gas reservoir (1), characterized in that: The outer wall of one side of the gas storage tank (1) is fixedly installed with a pressure relief pipe (2), the upper surface of one side of the pressure relief pipe (2) is fixedly installed with a support pipe (3), the outer wall of the support pipe (3) is fixedly installed with a valve seat (4), the upper surface of the valve seat (4) is fixedly installed with a valve body (5), the inner wall of the support pipe (3) is movably connected with a movable column (6), the bottom end of the movable column (6) is fixedly installed with a connecting block (7), the bottom end of the connecting block (7) is fixedly installed with a valve plate (8), the inner wall of the pressure relief pipe (2) is fixedly installed with a baffle (9), the outer wall of one side of the baffle (9) is provided with a through hole (10), the outer wall of one side of the baffle (9) is provided with a clamping groove (11), the lower surface of the valve plate (8) is fixedly installed with a sealing ring (12), the top of the movable column (6) is fixedly connected with a receiving disc (13), the lower surface of the receiving disc (13) is fixedly installed with a rubber ring (14) in the middle, the upper surface of the receiving disc (13) is fixedly installed with a pull rod (15) in the middle, the top end of the pull rod (15) is fixedly connected with a linkage rod (16), the inner upper surface of the valve body (5) is fixedly installed with a mounting disc (17), the lower surface of one side of the mounting disc (17) is fixedly installed with a mounting block (18), the outer wall of the mounting block (18) is provided with a positioning spring (19), the outer wall bottom of the linkage rod (16) is symmetrically provided with a sliding groove (20), and the inner wall top of the valve body (5) is symmetrically fixedly installed with a positioning plate (21).

2. A pressure relief mechanism for a pressure vessel according to claim 1, wherein: The lower surface of the gas storage tank (1) is fixedly installed with a support column (22) symmetrically, and the outer surface of the gas storage tank (1) is fixedly installed with a guide pipe (23) symmetrically.

3. A pressure relief mechanism for a pressure vessel according to claim 1, wherein: The upper surface of the gas storage tank (1) is fixedly installed with a suspender (24) symmetrically, and the upper surface of one side of the gas storage tank (1) is provided with a gas pressure gauge (25).

4. A pressure relief mechanism for a pressure vessel according to claim 1, wherein: The top of the outer wall of one side of the gas storage tank (1) is fixedly installed with an extension plate (26), the top of the outer wall of the extension plate (26) is fixedly installed with a support plate (27), and the end of the pressure relief pipe (2) is provided with a threaded groove (28).

5. A pressure relief mechanism for a pressure vessel according to claim 1, wherein: The top of the valve body (5) is fixedly installed with a top cover (29), and the upper surface of the top cover (29) is fixedly installed with an internally threaded sleeve (30).

6. A pressure relief mechanism for a pressure vessel according to claim 5, wherein: The inner wall of the internally threaded sleeve (30) is threadedly installed with an externally threaded rod (31), and the top of the externally threaded rod (31) is fixedly installed with a handle rod (32).

7. A pressure relief mechanism for a pressure vessel according to claim 6, wherein: The bottom end of the externally threaded rod (31) is fixedly connected with a connecting disc (33), and the top end of the linkage rod (16) is fixedly installed with a positioning disc (34).

8. A pressure relief mechanism for a pressure vessel according to claim 7, wherein: The outer wall top of the linkage rod (16) is provided with a mounting groove (35), and the inner wall of the mounting groove (35) is fixedly installed with rubber pads (36) symmetrically.

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