CN206206753U - A kind of buckle-type cut-off valve - Google Patents

Abstract

The utility model discloses a kind of buckle-type cut-off valve, including valve body and valve pipe, the top of the valve seat is provided with valve rod, the left and right sides of the valve rod is equipped with fit, the valve rod through valve body, the top of the valve body is provided with supporting plate, and the inner chamber left and right sides of the valve body is mounted on bayonet unit.The buckle-type cut-off valve, when valve body is opened, pulling up supporting plate can be such that valve rod band movable valve block operates upwards, while valve rod is pulled, valve rod squeezes spheroid, it is slidably connected with sliding block by fixed plate, the inside Slideslip of fixed plate can be made to press rocker-arm, it is slidably connected with outer barrel by spring by rocker-arm, rocker-arm can be made to be operated to outer barrel inner side, spheroid is set to squeeze in buckle case, coordinated with fit by spheroid and be connected, when spheroid is reached in fit, spheroid can be made to enter into fit by spring springing rocker-arm, valve rod is fixed.

Description

A kind of buckle-type cut-off valve

Technical field

The utility model is related to cut-off valve technical field, specially a kind of buckle-type cut-off valve.

Background technology

Current cut-off valve is widely used in oil, natural gas, coal gas, oil liquefied gas and oil refining, airport, chemical industry, oil Make closed circuit device on the pipeline of gas accumulating etc., such as patent of Patent No. 201320168205.1, including valve body sets in valve body There are valve rod and flashboard, valve rod bottom is connected with flashboard, and valve stem tip is connected with connecting rod, and handwheel is set with connecting rod, although Simple structure, long service life, but the lubricity in cut-off valve between the packing ring and valve rod of common form would generally be reduced, The elasticity of packing ring can also be decreased, and the frictional force of valve rod also increases therewith, causes valve rod unusual when opening or closing Arduously, at the same valve rod sealing when due to media flow produce impact be easy to loosen, cause the poor sealing of valve body.

Utility model content

The purpose of this utility model is to provide a kind of buckle-type cut-off valve, with asking for solving to propose in above-mentioned background technology Topic.

To achieve the above object, the utility model provides following technical scheme：A kind of buckle-type cut-off valve, including valve body and Valve pipe, the left and right sides of the valve body is mounted on valve pipe, and the inner chamber bottom of the valve body is provided with valve seat, the top of the valve seat End is provided with valve block, and the top of the valve seat is provided with valve rod, and the left and right sides of the valve rod is equipped with fit, the valve Bar through valve body, the top of the valve body is provided with supporting plate, and the inner chamber left and right sides of the valve body is mounted on buckle dress Put, the bayonet unit includes buckle case, the upper and lower both sides in inner chamber of the buckle case are mounted on guide-rail plate, the buckle case Inner chamber is provided with multiple outer barrels, and the inner chamber of the outer barrel is provided with spring, rocker-arm, the bullet are provided with the inside of the spring Lever is slidably connected by spring with outer barrel, and fixed plate is provided with the outside of the rocker-arm, and the outside of the fixed plate is installed Have a spheroid, the spheroid coordinates with fit and is connected, the both sides up and down of the fixed plate are mounted on sliding block, the sliding block and Guide-rail plate is slidably connected.

Preferably, the rocker-arm is provided with rubber slab with the junction of fixed plate.

Preferably, the outer barrel is provided with firm plate with the junction of buckle case.

Preferably, flexible soft board is installed on the top of the supporting plate.

Preferably, the spring is provided with securing plate with the junction of rocker-arm.

Compared with prior art, the beneficial effects of the utility model are：The buckle-type cut-off valve, when valve body is opened, to Upper pulling supporting plate can be such that valve rod band movable valve block operates upwards, and while valve rod is pulled, valve rod squeezes spheroid, by fixation Plate is slidably connected with sliding block, and the inside Slideslip of fixed plate can be made to press rocker-arm, is slided with outer barrel by spring by rocker-arm Dynamic connection, can be such that rocker-arm is operated to outer barrel inner side, spheroid is squeezed in buckle case, be coordinated by spheroid and fit It is connected, when spheroid is reached in fit, by spring springing rocker-arm spheroid can be made to enter into fit, to valve Bar is fixed, and can quickly and easily open or close valve body, it is possible to prevente effectively from filler be forced through it is tight and cause valve rod with Frictional force increase between packing ring, causes the stuck phenomenon of valve rod to occur, and can prevent valve rod under static state due to medium Flow the impact of generation and cause leakage, strengthen overall stability, supporting plate is pulled down when valve body can be valve Block is pulled out in valve seat.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is bayonet unit structural representation of the present utility model；

Fig. 3 is outer tube structure schematic diagram of the present utility model.

In figure：1st, valve body, 2, valve seat, 3, valve block, 4, soft adagio, 5, fit, 6, valve rod, 7, valve pipe, 8, support Plate, 9, bayonet unit, 901, buckle case, 902, rocker-arm, 903, guide-rail plate, 904, fixed plate, 905, rubber slab, 906, outer Cylinder, 907, sliding block, 908, spheroid, 909, securing plate, 910, spring, 911, firm plate.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of buckle-type cut-off valve, including valve body 1 and valve Pipe 7, the left and right sides of valve body 1 is mounted on valve pipe 7, and the inner chamber bottom of valve body 1 is provided with valve seat 2, and the top of valve seat 2 is provided with Valve block 3, the top of valve seat 2 is provided with valve rod 6, and the left and right sides of valve rod 6 is equipped with fit 5, valve rod 6 through valve body 1, The top of valve body 1 is provided with supporting plate 8, when open valve body 1 when, pull up supporting plate 8 can make valve rod 6 with movable valve block 3 to Flexible soft board 4 is installed on upper running, the top of supporting plate 8, and supporting plate 8, valve body can be more comfortably pressed by flexible soft board 4 The 1 inner chamber left and right sides is mounted on bayonet unit 9, and bayonet unit 9 includes buckle case 901, the inner chamber upper and lower two of buckle case 901 Side is mounted on guide-rail plate 903, and the inner chamber of buckle case 901 is provided with multiple outer barrels 906, the connection of outer barrel 906 and buckle case 901 Place is provided with firm plate 911, and the stability of outer barrel 906 can be strengthened by consolidating plate 911, and the inner chamber of outer barrel 906 is provided with bullet Spring 910, the inner side of spring 910 is provided with rocker-arm 902, and spring 910 is provided with securing plate 909 with the junction of rocker-arm 902, By securing plate 909 spring 910 can be made more firm with the connection of rocker-arm 902, rocker-arm 902 passes through spring 910 and outer barrel 906 are slidably connected, and the outside of rocker-arm 902 is provided with fixed plate 904, and rocker-arm 902 is provided with the junction of fixed plate 904 Rubber slab 905, springing ability can be strengthened by rubber slab 905, and the outside of fixed plate 904 is provided with spheroid 908, spheroid 908 Coordinate with fit 5 and be connected, while valve rod 6 are pulled, valve rod 6 squeezes spheroid 908, by fixed plate 904 and sliding block 907 Be slidably connected, the inside Slideslip of fixed plate 904 can be made to press rocker-arm 902, by rocker-arm 902 by spring 910 with it is outer Cylinder 906 is slidably connected, and spring 910 is helical spring, and coefficient of elasticity is 15N/CM, can make rocker-arm 902 to the inner side of outer barrel 906 Running, makes spheroid 908 squeeze in buckle case 901, is coordinated with fit 5 by spheroid 908 and is connected, when spheroid 908 is reached When in fit 5, spheroid 908 can be made to enter into fit 5 by the springing rocker-arm 902 of spring 910, to valve rod 6 It is fixed, the both sides up and down of fixed plate 904 are mounted on sliding block 907, and sliding block 907 is slidably connected with guide-rail plate 903.

When using, when valve body 1 is opened, pulling up supporting plate 8 can be such that valve rod 6 is operated upwards with movable valve block 3, draw While ovable valve stem 6, valve rod 6 squeezes spheroid 908, is slidably connected with sliding block 907 by fixed plate 904, can make fixed plate 904 Inside Slideslip presses rocker-arm 902, is slidably connected with outer barrel 906 by spring 910 by rocker-arm 902, can make springing Bar 902 makes spheroid 908 squeeze in buckle case 901 to the running of the inner side of outer barrel 906, is coordinated with fit 5 by spheroid 908 It is connected, when spheroid 908 is reached in fit 5, can enters into spheroid 908 by the springing rocker-arm 902 of spring 910 and match somebody with somebody Close in groove 5, valve rod 6 is fixed, valve body 1 can be quickly and easily opened or closed, it is possible to prevente effectively from filler is pressed Tension and cause between valve rod 6 and packing ring frictional force to increase, cause the stuck phenomenon of valve rod 6 to occur, can prevent valve rod 6 from existing Leakage is caused due to the impact of media flow generation under inactive state, strengthens overall stability, it is downward when valve body 1 Pressing supporting plate 8 can pull out valve block 3 in valve seat 2.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " two ends " or position close System is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description, rather than Indicate or imply signified device or element and must have specific orientation, with specific azimuth configuration and operation, therefore can not It is interpreted as to limitation of the present utility model.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally； Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with Be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction, for this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of buckle-type cut-off valve, including valve body（1）With valve pipe（7）, the valve body（1）The left and right sides be mounted on valve pipe （7）, it is characterised in that：The valve body（1）Inner chamber bottom valve seat is installed（2）, the valve seat（2）Top valve block is installed （3）, the valve seat（2）Top valve rod is installed（6）, the valve rod（6）The left and right sides be equipped with fit（5）, institute State valve rod（6）Through valve body（1）, the valve body（1）Top supporting plate is installed（8）, the valve body（1）Inner chamber or so Both sides are mounted on bayonet unit（9）, the bayonet unit（9）Including buckle case（901）, the buckle case（901）Inner chamber Upper and lower both sides are mounted on guide-rail plate（903）, the buckle case（901）Inner chamber multiple outer barrels are installed（906）, the outer barrel （906）Inner chamber spring is installed（910）, the spring（910）Inner side rocker-arm is installed（902）, the rocker-arm （902）By spring（910）With outer barrel（906）It is slidably connected, the rocker-arm（902）Outside fixed plate is installed（904）, The fixed plate（904）Outside spheroid is installed（908）, the spheroid（908）With fit（5）Coordinate and be connected, it is described Fixed plate（904）Both sides up and down be mounted on sliding block（907）, the sliding block（907）With guide-rail plate（903）It is slidably connected.

2. a kind of buckle-type cut-off valve according to claim 1, it is characterised in that：The rocker-arm（902）With fixed plate （904）Junction rubber slab is installed（905）.

3. a kind of buckle-type cut-off valve according to claim 1, it is characterised in that：The outer barrel（906）With buckle case （901）Junction firm plate is installed（911）.

4. a kind of buckle-type cut-off valve according to claim 1, it is characterised in that：The supporting plate（8）Top install Flexible soft board（4）.

5. a kind of buckle-type cut-off valve according to claim 1, it is characterised in that：The spring（910）With rocker-arm （902）Junction securing plate is installed（909）.