阅读说明：本技术 阀盖可自动弹出的阀体机构的装配方法 (Assembly method of valve body mechanism with valve cover capable of automatically popping out ) 是由 李晓峰 康新华 李�瑞 任冬丽 李军哲 丁高林 唐晓庆 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种阀盖可自动弹出的阀体机构的装配方法,解决了如何实现在紧急情况下人工能便捷介入并可靠打开阀盖的问题。先将阀盖弹射压簧(8)套接在圆柱塞形阀盖(6)的塞体上,再将压簧装配用环形工艺板(9)套接在圆柱塞形阀盖(6)的塞体上,将压簧装配用螺栓(12)与压簧装配用环形工艺板(9)上的工艺板连接螺孔(10)螺接,使圆柱塞形阀盖(6)的塞体内侧端面外圆上的L形卡槽(13)与活动销筒形座体(14)内的活动销(16)的外侧销头配合在一起；逆时针旋转圆柱塞形阀盖(6),使活动销(16)的外侧销头卡接到L形卡槽(13)的弧形水平段,完成销体对圆柱塞形阀盖(6)的限位；本发明安装简单快速,一次性即可到位。(The invention discloses an assembly method of a valve body mechanism with a valve cover capable of automatically popping, and solves the problem of how to realize convenient manual intervention and reliable opening of the valve cover in an emergency. Firstly, sleeving a valve cover ejection pressure spring (8) on a plug body of a cylindrical plug-shaped valve cover (6), sleeving an annular process plate (9) for pressure spring assembly on the plug body of the cylindrical plug-shaped valve cover (6), and screwing a bolt (12) for pressure spring assembly with a process plate connecting screw hole (10) on the annular process plate (9) for pressure spring assembly, so that an L-shaped clamping groove (13) on the excircle of the inner side end face of the plug body of the cylindrical plug-shaped valve cover (6) is matched with an outer side pin head of a movable pin (16) in a movable pin cylindrical base body (14); the cylindrical plug-shaped valve cover (6) is rotated anticlockwise, so that the outer side pin head of the movable pin (16) is clamped to the arc-shaped horizontal section of the L-shaped clamping groove (13), and the cylindrical plug-shaped valve cover (6) is limited by the pin body; the invention has simple and quick installation and can be positioned at one time.)

1. A method for assembling a valve body mechanism with a valve cover capable of automatically popping comprises the following steps:

firstly, sleeving a valve cover ejection pressure spring (8) on a plug body of a cylindrical plug-shaped valve cover (6) in a sleeved mode, enabling the upper end of the valve cover ejection pressure spring (8) to be abutted to an annular brim (7) of the valve cover, sleeving an annular process plate (9) for pressure spring assembly on the plug body of the cylindrical plug-shaped valve cover (6), sequentially penetrating a bolt (12) for pressure spring assembly through a screw hole (11) for valve cover ejection pressure spring assembly and the valve cover ejection pressure spring (8), then screwing the bolt (12) for pressure spring assembly with a process plate connecting screw hole (10) on the annular process plate (9) for pressure spring assembly, and meanwhile, adjusting the four bolts (12) for pressure spring assembly to enable the valve cover ejection pressure spring (8) to be in a compression state;

secondly, the cylindrical plug-shaped valve cover (6) which is assembled in the first step and is provided with a valve cover ejection compression spring (8) is plugged into the pressure relief through hole (4), so that an L-shaped clamping groove (13) on the excircle of the end surface of the inner side of the plug body of the cylindrical plug-shaped valve cover (6) is matched with the pin head on the outer side of a movable pin (16) in a movable pin cylindrical seat body (14);

thirdly, rotating the cylindrical plug-shaped valve cover (6) anticlockwise to enable the pin head at the outer side of the movable pin (16) to be clamped to the arc-shaped horizontal section of the L-shaped clamping groove (13) to complete the limit of the pin body on the cylindrical plug-shaped valve cover (6);

fourthly, reversely rotating a bolt (12) for assembling the pressure spring to ensure that the bolt (12) for assembling the pressure spring is in threaded connection with a connecting screw hole (10) of the process plate, and extracting the bolt (12) for assembling the pressure spring from a valve cover ejection pressure spring (8) and a valve cover ejection pressure spring assembling screw hole (11);

fifthly, the stepping motor (27) is controlled to rotate by an angle in the clockwise direction through a stepping motor remote controller, a gear (26) arranged on an output shaft of the stepping motor (27) also rotates by an angle, the gear (26) is meshed with an arc-shaped rack (25) to enable an annular inner ring (21) to rotate by an angle, a pull lug (20) on the inner side surface of the annular inner ring (21) pulls a movable pin (16) back to a movable pin cylindrical seat body (14) through a movable pin pull rope (18), the limiting of a cylindrical plug-shaped valve cover (6) is relieved, and the cylindrical plug-shaped valve cover (6) is ejected out of the cylindrical valve body seat (1) under the action of a valve cover ejection pressure spring (8).

Technical Field

The invention relates to a valve cover of a closed container, in particular to a valve body mechanism of a cylindrical closed bin body capable of popping out automatically.

Background

The cylindrical closed pressure containers for the tests are all provided with a safety explosion-proof valve cover, and when the pressure in the containers is abnormal and the safety explosion-proof valves fail, the closed bin body is opened for standby use to release the pressure in an emergency, and the bin door on the cylindrical closed pressure container can also be used for overhauling and replacing various equipment instruments in the closed bin; because various testing equipment for tests and power systems thereof are arranged in the cylindrical closed pressure container for the tests, the valve cover can not be opened towards the interior of the bin so as to prevent the equipment in the bin from being damaged; the test needs to be repeated for a plurality of times, sometimes, the valve cover mechanism needs to be opened and installed repeatedly for a plurality of times, so that the valve cover mechanism which can be opened reliably through manual intervention needs to be developed on site, and the repeated installation process of the mechanism needs to be simple and easy.

Disclosure of Invention

The invention provides an assembly method of a valve body mechanism with a valve cover capable of automatically popping, and solves the technical problem of how to realize convenient manual intervention and reliable opening of the valve cover in an emergency.

The invention solves the technical problems by the following technical scheme:

a valve body mechanism with a valve cover capable of automatically popping comprises a cylindrical valve body seat, a stepping motor remote controller, a stepping motor and a cylindrical valve cover, wherein the stepping motor remote controller is electrically connected with the stepping motor, an annular valve cover brim is arranged on the outer circle of the outer side end face of the cylindrical valve cover, an outer side counter bore of the valve body seat is arranged on the outer side end face of the cylindrical valve body seat, an inner side counter bore of the valve body seat is arranged on the inner side end face of the cylindrical valve body seat, a pressure relief through hole is arranged between the outer side counter bore of the valve body seat and the inner side counter bore of the valve body seat, the cylindrical valve cover is arranged in the pressure relief through hole, a sealing ring is arranged between a plug body of the cylindrical valve cover and the pressure relief through hole, an ejection pressure spring is arranged between the annular valve cover brim and the bottom face of the outer side counter bore of the valve body seat, and the inner side end of, an L-shaped clamping groove for inserting a movable pin is arranged on the excircle of the inner side end face of a plug body of a cylindrical plug-shaped valve cover at equal intervals in a radian manner, a movable pin cylindrical seat body is fixedly arranged on the bottom surface of a counter bore on the inner side of a valve body seat on the outer side of the L-shaped clamping groove, a movable pin crimping spring and a movable pin are arranged in the movable pin cylindrical seat body, the inner side end of the movable pin is movably inserted in the L-shaped clamping groove, a redirection fixed pulley is arranged on the bottom surface of the counter bore on the inner side of the valve body seat on the outer side of the movable pin cylindrical seat body, a ball embedding groove on the inner side of the valve body seat is arranged on the inner side face of the counter bore on the inner side of the valve body seat, an annular inner ring is movably arranged in the counter bore on the inner side of the valve body seat, an annular inner ring outer side ball embedding groove is arranged on the outer side face of the annular inner ring, a stepping motor base is arranged on the bottom surface of the counter bore on the inner side of the valve body base, a stepping motor is arranged on the stepping motor base, a gear is arranged on an output shaft of the stepping motor, and the gear is meshed with the arc-shaped rack; the outer side pin head of the movable pin is provided with a movable pin pull ring, a movable pin pull rope is connected to the movable pin pull ring, and the other end of the movable pin pull rope sequentially penetrates through the movable pin crimping spring, the bottom cover of the movable pin cylindrical seat body and the bend fixed pulley and then is connected with the pull lug on the inner side surface of the annular inner ring.

Four L-shaped clamping grooves are arranged on the excircle of the inner side surface of the cylindrical valve cover at equal intervals in a radian manner, and four movable pin cylindrical seat bodies are fixedly arranged on the bottom surface of counter bores on the inner side of the valve body seat.

Four valve cover ejection pressure spring assembling screw holes are arranged on the valve cover annular brim at equal intervals in an arc manner, an annular process plate for pressure spring assembling is movably sleeved on a plug body of the cylindrical plug-shaped valve cover, four process plate connecting screw holes are arranged on the annular process plate for pressure spring assembling, a valve cover ejection pressure spring is arranged between the annular process plate for pressure spring assembling and the valve cover annular brim, and a bolt for pressure spring assembling sequentially penetrates through the valve cover ejection pressure spring assembling screw holes and the valve cover ejection pressure spring and then is screwed with the process plate connecting screw holes.

A method for assembling a valve body mechanism with a valve cover capable of automatically popping comprises the following steps:

firstly, sleeving a valve cover ejection pressure spring on a plug body of a cylindrical plug-shaped valve cover, enabling the upper end of the valve cover ejection pressure spring to be abutted to an annular brim of the valve cover, sleeving an annular process plate for pressure spring assembly on the plug body of the cylindrical plug-shaped valve cover, then sequentially penetrating a bolt for pressure spring assembly through a screw hole for valve cover ejection pressure spring assembly and the valve cover ejection pressure spring, then screwing the bolts with a process plate connecting screw hole on the annular process plate for pressure spring assembly together, and simultaneously adjusting four bolts for pressure spring assembly to enable the valve cover ejection pressure spring to be in a compression state;

secondly, the cylindrical plug-shaped valve cover with the valve cover ejection compression spring assembled in the first step is plugged into the pressure relief through hole, so that an L-shaped clamping groove on the excircle of the end face of the inner side of the plug body of the cylindrical plug-shaped valve cover is matched with the pin head on the outer side of the movable pin in the movable pin cylindrical seat body;

thirdly, rotating the cylindrical plug-shaped valve cover anticlockwise to enable the pin head at the outer side of the movable pin to be clamped to the arc-shaped horizontal section of the L-shaped clamping groove to complete the limit of the pin body on the cylindrical plug-shaped valve cover;

fourthly, reversely rotating the bolt for assembling the pressure spring to release the bolt for assembling the pressure spring from the screw hole for connecting the process plate, and drawing the bolt for assembling the pressure spring out of the screw holes for assembling the valve cover ejection pressure spring and the valve cover ejection pressure spring;

and fifthly, controlling the stepping motor to rotate by an angle in the clockwise direction through a stepping motor remote controller, rotating the gear arranged on an output shaft of the stepping motor by an angle, engaging the gear with the arc-shaped rack to enable the annular inner ring to rotate by an angle, pulling the pull lug on the inner side surface of the annular inner ring through the pull rope of the movable pin, pulling the movable pin back to the cylindrical seat body of the movable pin, releasing the limit of the cylindrical plug-shaped valve cover, and ejecting the cylindrical plug-shaped valve cover out of the cylindrical valve seat under the action of ejecting the pressure spring from the valve cover.

The valve cover is simple and quick to install, can be in place at one time, can effectively control the action of the motor in an emergency, and realizes the reliable opening of the valve cover.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the present invention in a left side view;

FIG. 4 is a schematic view of the construction of the annular inner race 21 of the present invention;

FIG. 5 is a schematic view of the valve body seat inboard counterbore 3 of the present invention;

fig. 6 is a schematic view of the construction of a cylindrical plug-shaped valve cover 6 with a valve cover ejection compression spring 8 according to the present invention.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings:

a valve body mechanism with a valve cover capable of automatically popping comprises a cylindrical valve body seat 1, a stepping motor remote controller, a stepping motor 27 and a cylindrical valve cover 6, wherein the stepping motor remote controller is electrically connected with the stepping motor 27, an annular valve cover brim 7 is arranged on the outer circle of the outer side end face of the cylindrical valve cover 6, a counter bore 2 at the outer side of the valve body seat is arranged on the outer side end face of the cylindrical valve body seat 1, a counter bore 3 at the inner side of the valve body seat is arranged on the inner side end face of the cylindrical valve body seat 1, a pressure relief through hole 4 is arranged between the counter bore 2 at the outer side of the valve body seat and the counter bore 3 at the inner side of the valve body seat, the cylindrical valve cover 6 is arranged in the pressure relief through hole 4, a sealing ring 5 is arranged between a plug body of the cylindrical valve cover 6 and the pressure relief through hole 4, a pressure spring 8 is arranged between the annular valve cover brim 7 and the bottom face of the counter bore 2 at the outer side of the valve body seat, an L-shaped clamping groove 13 for inserting a movable pin is arranged on the excircle of the inner side end face of a plug body of a cylindrical plug-shaped valve cover 6 at equal intervals in a radian manner, a movable pin cylindrical seat body 14 is fixedly arranged on the bottom surface of a counter bore 3 on the inner side of a valve seat on the outer side of the L-shaped clamping groove 13, a movable pin crimping spring 15 and a movable pin 16 are arranged in the movable pin cylindrical seat body 14, the inner side end of the movable pin 16 is movably inserted in the L-shaped clamping groove 13, a redirection fixed pulley 19 is arranged on the bottom surface of the counter bore 3 on the inner side of the valve seat on the outer side of the movable pin cylindrical seat body 14, a ball embedding groove 24 on the inner side of the valve seat is arranged on the inner side surface of the counter bore 3 on the inner side of the valve seat, an annular inner ring 21 is movably arranged in the counter bore 3 on the inner side of the valve seat, an annular inner ring outer side ball embedding groove 22 is arranged, the valve body seat is provided with a ball 23, the inner side surface of the hole of the inner side counter bore 3 of the valve body seat is similar to a bearing outer ring, the inner side surface of the hole of the inner side counter bore 3 of the valve body seat is similar to a bearing inner ring, the inner side surface of the inner ring 21 is fixedly provided with an arc-shaped rack 25 and a pull lug 20 respectively, the bottom surface of the inner side counter bore 3 of the valve body seat is provided with a stepping motor seat 28, the stepping motor seat 28 is provided with a stepping motor 27, the output shaft of the stepping motor 27 is provided with a gear 26, and the gear 26 is meshed with the arc-shaped rack 25; a movable pin pull ring 17 is arranged on the pin head at the outer side of the movable pin 16, a movable pin pull rope 18 is connected to the movable pin pull ring 17, and the other end of the movable pin pull rope 18 sequentially passes through a movable pin crimping spring 15, a bottom cover of a movable pin cylindrical seat body 14 and a redirection fixed pulley 19 and then is connected with a pull lug 20 on the inner side surface of an annular inner ring 21; when the stepping motor 27 is controlled by a stepping motor remote controller to rotate by a certain angle in a stepping manner, the gear 26 on the output shaft of the stepping motor also rotates by the same angle, the gear 26 is meshed with the arc-shaped rack 25, so that the annular inner ring 21 rotates clockwise by the same radian relative to the counter bore 3 on the inner side of the valve body seat, the pull lug 20 on the annular inner ring 21 also rotates along with the rotation of the annular inner ring 21, the pull lug 20 pulls the movable pin pull rope 18 to rotate, the movable pin pull rope 18 is changed to the radial direction through the change-over fixed pulley 19 to pull the movable pin 16 outwards, after the movable pin 16 compresses the movable pin and presses the spring 15, the inner end head of the movable pin 16 is withdrawn outwards from the L-shaped clamping groove 13, the combination of the cylindrical valve cover 6 and the movable pin 16 arranged in the movable pin cylindrical seat body 14 is released, and at the moment, the cylindrical valve cover 6 is, the opening action of the valve cover is completed.

Four L-shaped clamping grooves 13 are arranged on the excircle of the inner side surface of the cylindrical valve cover 6 at equal intervals in radian, four movable pin-shaped seat bodies 14 are fixedly arranged on the bottom surface of the counter bore 3 in the inner side of the valve body seat, and the limiting mechanisms of the cylindrical valve cover 6 are formed in a pairwise matching mode.

Four valve cover ejection pressure spring assembling screw holes 11 are arranged on a valve cover annular brim 7 at equal intervals in a radian manner, an annular process plate 9 for pressure spring assembling is movably sleeved on a plug body of a cylindrical plug-shaped valve cover 6, four process plate connecting screw holes 10 are arranged on the annular process plate 9 for pressure spring assembling, a valve cover ejection pressure spring 8 is arranged between the annular process plate 9 for pressure spring assembling and the valve cover annular brim 7, and a bolt 12 for pressure spring assembling sequentially penetrates through the valve cover ejection pressure spring assembling screw holes 11 and the valve cover ejection pressure spring 8 and then is screwed with the process plate connecting screw holes 10; the annular process plate 9 for pressure spring assembly is matched with the bolt 12 for pressure spring assembly, and prepressing operation of ejecting the pressure spring 8 to the valve cover is put before cover installation, so that the assembly of the whole mechanism is greatly facilitated.

A method for assembling a valve body mechanism with a valve cover capable of automatically popping comprises the following steps:

firstly, sleeving a valve cover ejection pressure spring 8 on a plug body of a cylindrical plug-shaped valve cover 6 in a sleeving manner, enabling the upper end of the valve cover ejection pressure spring 8 to be abutted to a valve cover annular brim 7, sleeving an annular process plate 9 for pressure spring assembly on the plug body of the cylindrical plug-shaped valve cover 6, then sequentially penetrating a bolt 12 for pressure spring assembly through a screw hole 11 for valve cover ejection pressure spring assembly and the valve cover ejection pressure spring 8, then screwing the bolt 12 for pressure spring assembly with a process plate connecting screw hole 10 on the annular process plate 9 for pressure spring assembly, and simultaneously adjusting four bolts 12 for pressure spring assembly to enable the valve cover ejection pressure spring 8 to be in a compression state;

secondly, the cylindrical plug-shaped valve cover 6 which is assembled in the first step and is provided with a valve cover ejection pressure spring 8 is plugged into the pressure relief through hole 4, so that an L-shaped clamping groove 13 on the excircle of the end surface of the inner side of the plug body of the cylindrical plug-shaped valve cover 6 is matched with the pin head at the outer side of a movable pin 16 in a movable pin cylindrical seat body 14;

thirdly, rotating the cylindrical plug-shaped valve cover 6 anticlockwise to enable the pin head at the outer side of the movable pin 16 to be clamped to the arc-shaped horizontal section of the L-shaped clamping groove 13, and finishing limiting of the cylindrical plug-shaped valve cover 6 by the pin body;

fourthly, reversely rotating a bolt 12 for assembling the pressure spring, enabling the bolt 12 for assembling the pressure spring to be in threaded connection with a process plate connecting screw hole 10 to be removed, and drawing the bolt 12 for assembling the pressure spring out of a valve cover ejection pressure spring 8 and a valve cover ejection pressure spring assembling screw hole 11;

fifthly, the stepping motor 27 is controlled to rotate by an angle in the clockwise direction through the stepping motor remote controller, the gear 26 arranged on the output shaft of the stepping motor 27 also rotates by an angle, the gear 26 is meshed with the arc-shaped rack 25, so that the annular inner ring 21 also rotates by an angle, the pull lug 20 on the inner side surface of the annular inner ring 21 pulls the movable pin 16 back to the movable pin cylindrical seat body 14 through the movable pin pull rope 18, the limit of the cylindrical plug-shaped valve cover 6 is released, and the cylindrical plug-shaped valve cover 6 is ejected out of the cylindrical valve seat body 1 under the action of the valve cover ejection pressure spring 8.