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CN115614668B - A pressure relief valve for a pressure vessel - Google Patents

A pressure relief valve for a pressure vessel Download PDF

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Publication number
CN115614668B
CN115614668B CN202211276839.9A CN202211276839A CN115614668B CN 115614668 B CN115614668 B CN 115614668B CN 202211276839 A CN202211276839 A CN 202211276839A CN 115614668 B CN115614668 B CN 115614668B
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CN
China
Prior art keywords
rod
pressure
pressure vessel
seesaw
vessel body
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Application number
CN202211276839.9A
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Chinese (zh)
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CN115614668A (en
Inventor
王姬
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Individual
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Individual
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Priority to CN202211276839.9A priority Critical patent/CN115614668B/en
Publication of CN115614668A publication Critical patent/CN115614668A/en
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Publication of CN115614668B publication Critical patent/CN115614668B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/036—Control means using alarms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

本发明公开了一种压力容器用泄压阀，包括压力容器本体、支腿、泄压管、支撑架、跷跷板，所述压力容器本体的底部设有螺栓安装支腿，支腿设有三根，三根支腿呈三角形分布，压力容器本体的顶部设有一体成型的泄压管，泄压管上方设有跷跷板，跷跷板利用轴与支撑架连接，支撑架利用螺钉安装在压力容器本体的顶部，压力容器本体内安装有泄压器，所述泄压器包括右杆、左杆、竖杆、圆筒、中间杆、中间杆连杆，右杆的底部向内翻折，左杆的底部向内翻折，右杆与左杆沿竖杆对称设置，竖杆的底部设有一体成型的圆盘，圆盘利用撑杆与压力容器本体内壁连接。本发明设计合理；跷跷板能在泄压时发生倾斜从而使蜂鸣器发生声音对人进行提醒。

The present invention discloses a pressure relief valve for a pressure vessel, comprising a pressure vessel body, legs, a pressure relief pipe, a support frame, and a seesaw. The bottom of the pressure vessel body is provided with a bolt-mounted leg, and three legs are provided. The three legs are distributed in a triangular shape. The top of the pressure vessel body is provided with an integrally formed pressure relief pipe, and a seesaw is provided above the pressure relief pipe. The seesaw is connected to the support frame by an axis, and the support frame is installed on the top of the pressure vessel body by screws. A pressure relief device is installed in the pressure vessel body, and the pressure relief device comprises a right rod, a left rod, a vertical rod, a cylinder, an intermediate rod, and an intermediate rod connecting rod. The bottom of the right rod is folded inward, and the bottom of the left rod is folded inward. The right rod and the left rod are symmetrically arranged along the vertical rod. The bottom of the vertical rod is provided with an integrally formed disc, and the disc is connected to the inner wall of the pressure vessel body by a support rod. The present invention is reasonably designed; the seesaw can tilt when the pressure is released so that the buzzer can make a sound to remind people.

Description

Pressure relief valve for pressure vessel
Technical Field
The invention belongs to the field of pressure vessels, and particularly relates to a pressure relief valve for a pressure vessel.
Background
The pressure vessel refers to the airtight equipment that splendid attire gas or liquid bear certain pressure, utilizes pressure vessel to store gas or liquid for subsequent use, and pressure vessel is because of its pressure is great needs install the relief valve on pressure vessel for safety, thereby pressure vessel's security has been improved through the relief valve pressure release when pressure vessel internal pressure is too high, and current relief valve can only reach certain pressure and can open when using, and the relief value of relief valve can not adjust adaptability relatively poor.
Disclosure of Invention
The invention aims to provide a pressure relief valve for a pressure container, so as to solve the technical problems.
The invention adopts the following technical scheme for realizing the purposes:
The utility model provides a pressure vessel is with relief valve, includes pressure vessel body, landing leg, pressure release pipe, support frame, teeterboard, its characterized in that, the bottom of pressure vessel body is equipped with the bolt installation landing leg, the landing leg is equipped with three, three landing legs are triangle-shaped and distribute, the top of pressure vessel body is equipped with integrated into one piece's pressure release pipe, the pressure release pipe top is equipped with the teeterboard, the teeterboard utilizes the axle to be connected with the support frame, the support frame utilizes the screw to install at the top of pressure vessel body, install the pressure release ware in the pressure vessel body, the pressure release ware includes right pole, left pole, montant, drum, intermediate lever connecting rod, the bottom of right pole is inwards turned over, the bottom of left pole is inwards turned over to turn over, the right pole is equipped with integrated into the disc along the montant symmetry with the left pole, the disc utilizes vaulting pole and pressure vessel body inner wall connection, the cover is equipped with the drum on the montant, be equipped with integrated into one piece's fixed ear on the drum, intermediate lever connecting rod warp beam and intermediate lever are connected with the intermediate lever, intermediate lever connecting rod along drum symmetry setting.
Preferably, the top of right pole, left pole is equipped with the upper boom of hub connection, and the upper boom warp beam is connected with the movable block, and the movable block is equipped with two, and the movable block is connected with the guide rail through the slider, and the guide rail is installed in the pressure vessel is originally internally, be equipped with the circular arc of screw installation on the movable block, two circular arcs are constituteed a circle, and the bottom of right pole, left pole is equipped with sealed jar, and sealed jar is the syringe design, and sealed jar warp beam is connected with right pole, left pole.
Preferably, be equipped with the buffer rod of screw installation on the drum, the buffer rod is [ design, and the top of buffer rod is connected with the movable rod through the screw, and the movable rod is the design of back taper table formula, and the upper portion of movable rod is located the pressure release pipe, and the top of movable rod is connected with the seesaw, the bottom of movable rod and circular arc contact.
Preferably, a sliding groove is formed in the teeterboard, a ball is arranged in the sliding groove, and the ball in the teeterboard can move freely but cannot slide out of the sliding groove.
Preferably, a sealing plate is arranged in the sealing cylinder, the sealing plate is positioned at the rear of the piston rod and connected through a pulling rod, a screw rod in threaded connection is arranged on the sealing cylinder, the screw rod enters the sealing cylinder, and the other end of the screw rod penetrates through the pressure vessel body and extends above the pressure vessel body.
Preferably, the screw rod is provided with a threaded connection sleeve, the sleeve is positioned inside the sealing cylinder, one side of the sleeve is provided with an integrally formed fixed block, a fixed block beam is connected with a pulling rod, the pulling rod beam is connected with a fixed lug on the sealing plate, and a limit rod installed by a screw is arranged below the screw rod.
Preferably, the seesaw is kept away from the presser bar of movable rod one side bottom and is equipped with the presser bar of screw installation, and the bottom of presser bar adopts conductive material to make, and the presser bar utilizes the wire to be connected with the zero line, and the below of seesaw is equipped with the fixed box, is equipped with the spring of screw installation in the fixed box, installs the conductive column in the spring, and the conductive column is connected with the buzzer through the wire, and the live wire is connected with the buzzer, and the buzzer utilizes the screw to install in the fixed box.
The pressure release device has the advantages that the pressure release device is reasonable in design, when the pressure in the pressure container body rises by a larger value, the sealing cylinder is compressed, the right rod and the left rod move towards the position close to the vertical rod after the sealing cylinder is compressed, the right rod and the left rod move to drive the upper rod to move away from the disc, meanwhile, the moving block, the circular arc are separated from the moving rod, the right rod and the left rod move to enable the middle rod and the middle rod connecting rod to jack up the cylinder, the cylinder moves up to drive the buffer rod to move up, the buffer rod moves up to jack up the moving rod, after the moving rod moves up, the lower part of the moving rod is reduced, so that gas or liquid is discharged through a gap between the moving rod and the pressure release tube, the moving rod moves up to enable the seesaw to incline towards one side away from the pressure release tube, the round ball moves in the sliding groove to quicken the inclination speed, the pressure column at the lower part moves down to compress the spring, the pressure column is contacted with the conductive column to enable the buzzer to generate sound to remind people, the sleeve moves up along the screw rod, the pressure release device moves up, and accordingly the sealing plate is pulled to move towards the right end, the pressure release device is required to bear the pressure of the pressure release device is changed, and the pressure release device is not required to bear the pressure of the pressure release device is changed, and the pressure release device is adjusted.
Drawings
Fig. 1 is a schematic view of a pressure relief valve for a pressure vessel according to the present invention.
Fig. 2 is a sectional view of a pressure vessel of the pressure release valve for a pressure vessel of the present invention.
Fig. 3 is a schematic view of a pressure relief device of the pressure relief valve for a pressure vessel according to the present invention.
Fig. 4 is a schematic diagram of a pressure relief device removing moving block of a pressure relief valve for a pressure vessel according to the present invention.
Fig. 5 is a schematic cross-sectional view of a sealing cylinder of a pressure relief valve for a pressure vessel according to the present invention.
Fig. 6 is a partial schematic view of a screw and sleeve of a pressure relief valve for a pressure vessel according to the present invention.
Fig. 7 is a schematic view of a seesaw and a fixed case of a pressure relief valve for a pressure vessel according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1-7, a pressure release valve for a pressure vessel comprises a pressure vessel body 1, supporting legs 2, a pressure release pipe 3, a support frame 4 and a teeterboard 5, wherein the bottom of the pressure vessel body 1 is provided with bolt mounting supporting legs 2, the supporting legs 2 are provided with three supporting legs 2 which are distributed in a triangle shape, the top of the pressure vessel body 1 is provided with the pressure release pipe 3 which is integrally formed, the teeterboard 5 is arranged above the pressure release pipe 3, the teeterboard 5 is connected with the support frame 4 by utilizing a shaft, the support frame 4 is arranged at the top of the pressure vessel body 1 by utilizing a screw, a pressure release device 6 is arranged in the pressure vessel body 1, and the pressure release device 6 comprises a right rod 7, a left rod 8, a vertical rod 9 and a cylinder 10, The bottom of the middle rod 11, the middle rod connecting rod 12, the bottom of the right rod 7 is turned inwards, the bottom of the left rod 8 is turned inwards, the right rod 7 and the left rod 8 are symmetrically arranged along the vertical rod 9, the bottom of the vertical rod 9 is provided with an integrally formed disc 23, the disc 23 is connected with the inner wall of the pressure vessel body 1 by a supporting rod, the vertical rod 9 is sleeved with a cylinder 10, the cylinder 10 is provided with an integrally formed fixed lug, the middle rod connecting rod 12 is connected with the fixed lug by a shaft, the middle rod 12 is connected with the middle rod 11 by a shaft, the middle rod 11 and the middle rod connecting rod 12 are symmetrically arranged along the cylinder 10, the tops of the right rod 7 and the left rod 8 are provided with an upper rod 13 which is connected with a shaft, the upper rod 13 is connected with a moving block 14, the moving block 14 is provided with two moving blocks, the moving block 14 is connected with a guide rail by a slide block, the guide rail is arranged in the pressure vessel body 1, the moving block 14 is provided with a circular arc 15 which is installed by screws, the two circular arcs 15 form a circle, the right rod 7, the bottom of the left rod 8 is provided with a sealing cylinder 17, the sealing cylinder 17 is of an injector type design, and the sealing cylinder 17 is connected with the right rod 7 through a shaft, The left rod 8 is connected, the cylinder 10 is provided with a buffer rod 19 installed by a screw, the buffer rod 19 is designed, the top of the buffer rod 19 is connected with a movable rod 16 by a screw, the movable rod 16 is in a reverse taper table type design, the upper part of the movable rod 16 is positioned on a pressure relief tube 3, the top of the movable rod 16 is connected with a seesaw 5, the bottom of the movable rod 16 is contacted with an arc 15, the seesaw 5 is provided with a chute 21, a ball 20 is installed in the chute 21, the ball 20 in the seesaw 5 can freely move but cannot slide out from the chute 21, a sealing plate 24 is arranged in the sealing cylinder 17, the sealing plate 24 is positioned behind a piston rod, the sealing plate 24 is connected by a pulling rod 25, a screw 18 in threaded connection is arranged on the sealing cylinder 17, the screw 18 enters the sealing cylinder 17, the other end of the screw 18 extends above the pressure vessel body 1 through the pressure vessel body 1, a threaded connection sleeve 26 is arranged on the screw 18, the sleeve 26 is located the sealed jar 17 inside, sleeve 26 one side is equipped with integrated into one piece's fixed block 27, fixed block 27 warp beam and pulling rod 25 are connected, pulling rod 25 warp beam is connected with the fixed ear on the closing plate 24, the below of lead screw 18 is equipped with screw-mounted gag lever post 28, the seesaw 5 is kept away from movable rod 16 one side bottom and is equipped with screw-mounted pressure post 30, the bottom of pressure post 30 adopts conductive material to make, pressure post 30 utilizes the wire to be connected with the zero line, the below of seesaw 5 is equipped with fixed box 29, set up the round hole that supplies the pressure post to pass through on the fixed box, be equipped with screw-mounted spring 31 in the fixed box 29, the spring is located the pressure post below, the spring adopts nonconductive material to make, install conductive post 32 in the spring 31, conductive post 32 is connected with the buzzer through the wire, the live wire is connected with the buzzer, the buzzer utilizes the screw to install in fixed box 29.
The working principle of the invention is as follows: the gas or liquid to be stored is injected into the pressure vessel body 1, when the pressure in the pressure vessel body 1 rises by a larger value, the sealing cylinder 17 is compressed, the right rod 7 and the left rod 8 are moved towards the position close to the vertical rod 9 after the sealing cylinder 17 is compressed, the right rod 7 and the left rod 8 are moved to drive the upper rod 13 to move away from the disc 23, meanwhile, the moving block 13 and the circular arc 15 are separated from the moving rod 16, the right rod 7 and the left rod 8 are moved to enable the middle rod 11 and the middle rod connecting rod 12 to jack up the cylinder 10, the cylinder 10 is moved up to drive the buffer rod 19 to move up, the buffer rod 19 is moved up to jack up the moving rod 16, the lower part of the moving rod 16 is reduced, so that the gas or liquid is discharged through a gap between the moving rod 16 and the pressure release pipe 3, the movable rod 16 moves upwards to enable the seesaw 5 to incline towards the side far away from the pressure relief tube 3, the round ball 20 moves in the chute 21 to accelerate the inclination speed, the pressing column 30 at the lower part of the seesaw 5 moves downwards to compress the spring 31, the pressing column 30 contacts with the conductive column 32 to enable the buzzer 33 to be electrified to generate sound so as to prompt a person in time, the screw rod 18 is rotated to enable the sleeve 26 to move upwards along the screw rod 18, so that the pull rod 25 inclines to pull the sealing plate 24 to move towards the right end close to the sealing cylinder 17, the pressure born by the sealing cylinder 17 is increased, otherwise, the sealing plate 24 moves leftwards to reduce the pressure born by the sealing cylinder 17, and the pressure bearing capacity of the pressure relief device can be changed by changing the position of the sealing plate 24, and the pressure relief value of the pressure relief device can be adjusted to meet different pressure relief requirements.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art from this disclosure that changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the invention.

Claims (3)

1.一种压力容器用泄压阀，包括压力容器本体(1)、支腿(2)、泄压管(3)、支撑架(4)、跷跷板(5)，其特征在于，所述压力容器本体(1)的底部设有螺栓安装支腿(2)，支腿(2)设有三根，三根支腿(2)呈三角形分布，压力容器本体(1)的顶部设有一体成型的泄压管(3)，泄压管(3)上方设有跷跷板(5)，跷跷板(5)利用轴与支撑架(4)连接，支撑架(4)利用螺钉安装在压力容器本体(1)的顶部，压力容器本体(1)内安装有泄压器(6)，所述泄压器(6)包括右杆(7)、左杆(8)、竖杆(9)、圆筒(10)、中间杆(11)、中间杆连杆(12)，右杆(7)的底部向内翻折，左杆(8)的底部向内翻折，右杆(7)与左杆(8)沿竖杆(9)对称设置，竖杆(9)的底部设有一体成型的圆盘(23)，圆盘(23)利用撑杆与压力容器本体(1)内壁连接，所述竖杆(9)上套设有圆筒(10)，所述圆筒(10)上设有一体成型的固定耳，中间杆连杆(12)经轴与固定耳连接，中间杆连杆(12)经轴与中间杆(11)连接，中间杆(11)、中间杆连杆(12)为两组，并沿圆筒(10)对称设置；所述右杆(7)、左杆(8)的顶部设有轴连接的上杆(13)，上杆(13)经轴与移动块(14)连接，移动块(14)设有两块，移动块(14)经滑块与导轨连接，导轨安装在压力容器本体(1)内，所述移动块(14)上设有螺钉安装的圆弧(15)，两个圆弧(15)组成一个圆，右杆(7)、左杆(8)的底部设有密封缸(17)，密封缸(17)为注射器式设计，密封缸(17)经轴与右杆(7)、左杆(8)连接；所述圆筒(10)上设有螺钉安装的缓冲杆(19)，缓冲杆(19)呈[设计，缓冲杆(19)的顶部经螺钉与移动杆(16)连接，移动杆(16)呈倒锥台式设计，移动杆(16)的上部位于泄压管(3)底部，且移动杆(16)的顶部与跷跷板(5)连接，移动杆(16)的底部与圆弧(15)接触；所述密封缸(17)内设有密封板(24)，密封板(24)位于活塞杆后方，密封板(24)经拉动杆(25)连接，密封缸(17)上设有螺纹连接的丝杆(18)，丝杆(18)进入密封缸(17)，丝杆(18)的另一端贯穿压力容器本体(1)延伸在压力容器本体(1)上方；所述丝杆(18)上设有螺纹连接套筒(26)，套筒(26)位于密封缸(17)内部，套筒(26)一侧设有一体成型的固定块(27)，固定块(27)经轴与拉动杆(25)连接，拉动杆(25)经轴与密封板(24)上的固定耳连接，丝杆(18)的下方设有螺钉安装的限位杆(28)。1. A pressure relief valve for a pressure vessel, comprising a pressure vessel body (1), a support leg (2), a pressure relief pipe (3), a support frame (4), and a seesaw (5), characterized in that a bolt-mounted support leg (2) is provided at the bottom of the pressure vessel body (1), three support legs (2) are provided, and the three support legs (2) are distributed in a triangular shape, an integrally formed pressure relief pipe (3) is provided at the top of the pressure vessel body (1), a seesaw (5) is provided above the pressure relief pipe (3), the seesaw (5) is connected to the support frame (4) by an axis, the support frame (4) is installed on the top of the pressure vessel body (1) by screws, a pressure relief device (6) is installed in the pressure vessel body (1), and the pressure relief device (6) comprises a right rod (7), a left rod (8), a vertical rod (9), a cylinder (10), an intermediate rod (11), an intermediate rod connecting rod (12), and a plurality of intermediate rods (13). 2), the bottom of the right rod (7) is folded inwards, and the bottom of the left rod (8) is folded inwards. The right rod (7) and the left rod (8) are symmetrically arranged along the vertical rod (9). The bottom of the vertical rod (9) is provided with an integrally formed disc (23). The disc (23) is connected to the inner wall of the pressure vessel body (1) by a support rod. The vertical rod (9) is sleeved with a cylinder (10). The cylinder (10) is provided with an integrally formed fixing ear. The middle rod connecting rod (12) is connected to the fixing ear via an axis. The middle rod connecting rod (12) is connected to the middle rod (11) via an axis. The middle rod (11) and the middle rod connecting rod (12) are two groups and are symmetrically arranged along the cylinder (10). The tops of the right rod (7) and the left rod (8) are provided with an upper rod (13) connected by an axis. The upper rod (13) is connected to a moving block (14) via an axis. The moving block (14) is provided with There are two blocks, the moving block (14) is connected to the guide rail via a slider, the guide rail is installed in the pressure container body (1), the moving block (14) is provided with a circular arc (15) installed by screws, the two circular arcs (15) form a circle, the bottom of the right rod (7) and the left rod (8) are provided with a sealing cylinder (17), the sealing cylinder (17) is of syringe type design, and the sealing cylinder (17) is connected to the right rod (7) and the left rod (8) via an axis; the cylinder (10) is provided with a buffer rod (19) installed by screws, the buffer rod (19) is of [ design, the top of the buffer rod (19) is connected to the moving rod (16) via screws, the moving rod (16) is of inverted cone design, the upper part of the moving rod (16) is located at the bottom of the pressure relief pipe (3), and the top of the moving rod (16) is connected to the seesaw (5), and the bottom of the moving rod (16) is connected to the circle The sealing cylinder (17) is provided with a sealing plate (24), the sealing plate (24) is located behind the piston rod, the sealing plate (24) is connected via a pulling rod (25), a threaded screw (18) is provided on the sealing cylinder (17), the screw (18) enters the sealing cylinder (17), the other end of the screw (18) passes through the pressure vessel body (1) and extends above the pressure vessel body (1); a threaded sleeve (26) is provided on the screw (18), the sleeve (26) is located inside the sealing cylinder (17), an integrally formed fixing block (27) is provided on one side of the sleeve (26), the fixing block (27) is connected to the pulling rod (25) via a shaft, the pulling rod (25) is connected to the fixing ear on the sealing plate (24) via a shaft, and a screw-mounted limiting rod (28) is provided below the screw (18). 2.根据权利要求1所述的一种压力容器用泄压阀，其特征在于，所述跷跷板(5)上开设有滑槽(21)，滑槽(21)内安装有圆球(20)，跷跷板(5)内的圆球(20)能自由移动但不会从滑槽(21)内滑出。2. A pressure relief valve for a pressure vessel according to claim 1, characterized in that a slide groove (21) is provided on the seesaw (5), a ball (20) is installed in the slide groove (21), and the ball (20) in the seesaw (5) can move freely but will not slide out of the slide groove (21). 3.根据权利要求1所述的一种压力容器用泄压阀，其特征在于，所述跷跷板(5)远离移动杆(16)一侧底部设有螺钉安装的压柱(30)，压柱(30)的底部采用导电材料制成，压柱(30)利用导线与零线连接，跷跷板(5)的下方设有固定箱(29)，固定箱(29)内设有螺钉安装的弹簧(31)，弹簧(31)内安装有导电柱(32)，导电柱(32)经导线与蜂鸣器连接，火线与蜂鸣器连接，蜂鸣器利用螺钉安装在固定箱(29)内。3. A pressure relief valve for a pressure vessel according to claim 1, characterized in that a pressure column (30) installed by screws is provided at the bottom of the seesaw (5) away from the moving rod (16), the bottom of the pressure column (30) is made of conductive material, the pressure column (30) is connected to the neutral line by a wire, a fixed box (29) is provided below the seesaw (5), a spring (31) installed by screws is provided in the fixed box (29), a conductive column (32) is installed in the spring (31), the conductive column (32) is connected to the buzzer via a wire, the live wire is connected to the buzzer, and the buzzer is installed in the fixed box (29) by screws.
CN202211276839.9A 2022-10-19 2022-10-19 A pressure relief valve for a pressure vessel Active CN115614668B (en)

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CN113236794A (en) * 2021-05-17 2021-08-10 马鞍山常裕机械设备有限公司 Gas pipeline precision valve body with leakage-proof function

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