CN206206623U - A kind of anti-movable cut-off valve - Google Patents

Abstract

The utility model discloses a kind of anti-movable cut-off valve, including valve body, the top of the valve body is provided with lid, the lid is connected by connecting bolt with valve body, the inner chamber bottom of the valve body is installed with valve seat, the upper end of the valve seat is provided with bracing means, and the bracing means includes sealing plate, and the left and right sides of the sealing plate is mounted on the second slide plate.The anti-movable cut-off valve, in valve body, pulling down arm-tie makes valve rod drive bracing means to operate downwards, bracing means can be made to enter in valve seat, it is connected with the second slide plate slides by guide-rail plate, can enter into sealing plate carries out sealed valve body in fixed seat, when spheroid enters in fixed seat, limiting plate squeezes the dynamic plate of folding, the dynamic plate of folding is pressed elastomer block, when spheroid is reached at fit, the dynamic plate of elastomer block springing folding, make limiting plate that spheroid springing is entered in fit, prevent sealing plate activity, strengthen the stability of sealing.

Description

A kind of anti-movable cut-off valve

Technical field

The utility model is related to stop valve technical field, specially a kind of anti-movable cut-off valve.

Background technology

Current stop valve is widely used in oil, natural gas, coal gas, oil liquefied gas and oil refining, airport, chemical industry, oil Make closed circuit device, such as patent of Patent No. 201620442622. 4, including valve body and valve body on the pipeline of gas accumulating etc. The valve element of valve rod and the valve rod connection of connection is rotated, the passage for flow of media, valve element and valve body slides are offered on valve body Connection, although having reached reduces the frequency that workman changes valve element, but in stop valve between the packing ring and valve rod of common form Lubricity would generally reduce, packing ring elasticity can also decrease, the frictional force of valve rod also increases therewith, so as to can cause Valve rod is stuck, at the same valve rod sealing when due to media flow produce impact be easy to loosen, cause the sealing of valve body not It is good.

Utility model content

The purpose of this utility model is to provide a kind of anti-movable cut-off valve, to solve what is proposed in above-mentioned background technology Problem.

To achieve the above object, the utility model provides following technical scheme：A kind of anti-movable cut-off valve, including valve Body, the top of the valve body is provided with lid, and the lid is connected by connecting bolt with valve body, the inner chamber bottom of the valve body Valve seat is installed with, the valve seat includes casing, and the inner chamber of the casing is provided with fixed seat, a left side for the fixed seat Right both sides are equipped with fit, and the inner chamber left and right sides of the fixed seat is mounted on guide-rail plate, the upper end peace of the valve seat Equipped with bracing means, the bracing means includes sealing plate, and the left and right sides of the sealing plate is mounted on the second slide plate, described Second slide plate is slidably connected with guide-rail plate, and the bottom of the sealing plate is provided with rotary shaft, bottom of the rotary shaft or so two Side is mounted on rolling over plate, and limiting plate is provided with the outside of the dynamic plate of the folding, and spheroid is provided with the outside of the limiting plate, described Spheroid coordinates with fit and is connected, and elastomer block is provided with the inside of the dynamic plate of folding, and the left and right sides of the elastomer block is pacified Equipped with connecting rod, the outside of the connecting rod is connected with the dynamic plate of folding, and the top of the sealing plate is provided with valve rod, and the valve rod is passed through Lid is worn, the top of the valve rod is provided with arm-tie.

Preferably, the inner chamber left and right sides of the valve body is mounted on concave type dead plate, the inner side of the concave type dead plate Slide plate is installed, the slide plate is connected with valve stem slides, and the concave type dead plate is connected by reinforcement block with slide plate.

Preferably, the top of the valve body is provided with firm bar, and the firm bar is connected with valve stem slides.

Preferably, the inner chamber left and right sides of the lid is mounted on filling block, and the filling block is connected with valve stem slides.

Preferably, the valve body is provided with sealing strip with the junction of lid.

Compared with prior art, the beneficial effects of the utility model are：The anti-movable cut-off valve, in valve body, Pull down arm-tie make valve rod drive bracing means operate downwards, can make bracing means enter valve seat in, by guide-rail plate with Second slide plate slides are connected, and can enter into sealing plate carries out sealed valve body in fixed seat, when spheroid enters in fixed seat, Limiting plate squeezes the dynamic plate of folding, the dynamic plate of folding is pressed elastomer block, when spheroid is reached at fit, by spheroid and fit Coordinate and be connected, the dynamic plate of elastomer block springing folding makes limiting plate that spheroid springing is entered in fit, prevents sealing plate activity, strengthens The stability of sealing, not only avoid filler and is forced through tight and causes frictional force between valve rod and packing ring to increase, and cause valve The stuck phenomenon of bar occurs, but also valve rod can be fixed, and prevents valve rod under static state due to medium flow field movable property Raw impact and cause leakage.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is bracing means structural representation of the present utility model；

Fig. 3 is valve seat construction schematic diagram of the present utility model.

In figure：1st, valve body, 2, firm bar, 3, valve seat, 301, fit, 302, fixed seat, 303, casing, 304, lead Rail plate, 4, bracing means, 401, sealing plate, the 402, second slide plate, 403, the dynamic plate of folding, 404, rotary shaft, 405, connecting rod, 406, Limiting plate, 407, elastomer block, 408, spheroid, 5, connecting bolt, 6, valve rod, 7, filling block, 8, sealing strip, 9, reinforcement block, 10, draw Plate, 11, concave type dead plate, 12, lid, 13, slide 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 anti-movable cut-off valve, including valve body 1, The top of valve body 1 is provided with lid 12, and lid 12 is connected by connecting bolt 5 with valve body 1, the junction of valve body 1 and lid 12 Sealing strip 8 is provided with, by sealing strip 8 connection of valve body 1 and lid 12 can be made more tightly to prevent leakage, the interior bottom of chamber of valve body 1 End is installed with valve seat 3, and valve seat 3 includes casing 303, and the inner chamber of casing 303 is provided with fixed seat 302, fixed seat 302 The left and right sides be equipped with fit 301, the inner chamber left and right sides of fixed seat 302 is mounted on guide-rail plate 304, valve seat 3 Upper end is provided with bracing means 4, and bracing means 4 includes sealing plate 401, and the left and right sides of sealing plate 401 is mounted on the second cunning Plate 402, the second slide plate 402 is slidably connected with guide-rail plate 304, is slidably connected with the second slide plate 402 by guide-rail plate 304, can be with Sealing plate 401 is entered into fixed seat 302 carries out sealed valve body 1, and the bottom of sealing plate 401 is provided with rotary shaft 404, rotates The bottom left and right sides of axle 404 is mounted on rolling over plate 403, and the outside of the dynamic plate 403 of folding is provided with limiting plate 406, limiting plate 406 Outside spheroid 408 is installed, spheroid 408 coordinates with fit 301 and is connected, and the inner side that folding moves plate 403 is provided with elastomer block 407, the left and right sides of elastomer block 407 is mounted on connecting rod 405, and the outside of connecting rod 405 is connected with the dynamic plate 403 of folding, seals The top of plate 401 is provided with valve rod 6, and when spheroid 408 enters in fixed seat 302, limiting plate 406 squeezes the dynamic plate 403 of folding, makes folding Dynamic plate 403 presses elastomer block 407, when spheroid 408 is reached at fit 301, is matched somebody with somebody with fit 301 by spheroid 408 Close and be connected, the dynamic plate 403 of the springing of elastomer block 407 folding makes limiting plate 406 that the springing of spheroid 408 is entered in fit 301, prevents close The activity of shrouding 401, strengthens the stability of sealing, and valve rod 6 runs through lid 12, and the inner chamber left and right sides of lid 12 is mounted on filling out Block 7 is filled, filling block 7 is slided with valve rod 6 and is connected, and sliding to be connected with valve rod 6 by filling block 7 can strengthen the stabilization of valve rod 10 Property, the top of valve rod 6 is provided with arm-tie 10, and the top of valve body 1 is provided with firm bar 2, and firm bar 2 is slidably connected with valve rod 6, logical Cross firm bar 2 to be slidably connected with valve rod 6, valve rod 6 can be made more stable when pulling is pushed, the inner chamber left and right sides of valve body 1 is equal Concave type dead plate 11 is installed, the inner side of concave type dead plate 11 is provided with slide plate 13, and slide plate 13 is slidably connected with valve rod 6, matrix Fixed plate 11 is connected by reinforcement block 9 with slide plate 13, and firmly slide plate 13 can be fixed with reinforcement block 9 by concave type dead plate 11 In the both sides of valve rod 6, being slidably connected by slide plate 13 and valve rod 6 can make valve opening or close more stable during valve pulling valve rod 6.

In valve body 1, pulling down arm-tie 1 makes valve rod 6 drive bracing means 4 to operate downwards, can fill reinforcing Put 4 to enter in valve seat 3, be slidably connected with the second slide plate 402 by guide-rail plate 304, sealing plate 401 can be made to enter into fixed seat Sealed valve body 1 is carried out in 302, when spheroid 408 enters in fixed seat 302, limiting plate 406 squeezes the dynamic plate 403 of folding, folding is moved plate 403 press elastomer block 407, when spheroid 408 is reached at fit 301, phase are coordinated with fit 301 by spheroid 408 Even, the dynamic plate 403 of the springing of elastomer block 407 folding, makes limiting plate 406 that the springing of spheroid 408 is entered in fit 301, prevents sealing plate 401 activities, strengthen the stability of sealing, not only avoid filler and are forced through tight and cause to be rubbed between valve rod 6 and packing ring Power increases, and causes the stuck phenomenon of valve rod 6 to occur, but also valve rod 6 can be fixed, and prevents valve rod 6 in inactive state Under due to media flow produce impact and cause leakage, open valve body 1 make, pulling up arm-tie 10 can be bracing means 4 pull out in valve seat 3.

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 anti-movable cut-off valve, including valve body（1）, it is characterised in that：The valve body（1）Top lid is installed （12）, the lid（12）By connecting bolt（5）With valve body（1）It is connected, the valve body（1）Inner chamber bottom be installed with Valve seat（3）, the valve seat（3）Including casing（303）, the casing（303）Inner chamber fixed seat is installed（302）, institute State fixed seat（302）The left and right sides be equipped with fit（301）, the fixed seat（302）The inner chamber left and right sides pacify Equipped with guide-rail plate（304）, the valve seat（3）Upper end bracing means is installed（4）, the bracing means（4）Including sealing plate （401）, the sealing plate（401）The left and right sides be mounted on the second slide plate（402）, second slide plate（402）With guide rail Plate（304）It is slidably connected, the sealing plate（401）Bottom rotary shaft is installed（404）, the rotary shaft（404）Bottom The left and right sides is mounted on rolling over plate（403）, the dynamic plate of folding（403）Outside limiting plate is installed（406）, the limiting plate （406）Outside spheroid is installed（408）, the spheroid（408）With fit（301）Coordinate and be connected, the dynamic plate of folding （403）Inner side elastomer block is installed（407）, the elastomer block（407）The left and right sides be mounted on connecting rod（405）, institute State connecting rod（405）Outside and the dynamic plate of folding（403）It is connected, the sealing plate（401）Top valve rod is installed（6）, it is described Valve rod（6）Through lid（12）, the valve rod（6）Top arm-tie is installed（10）.

2. a kind of anti-movable cut-off valve according to claim 1, it is characterised in that：The valve body（1）Inner chamber or so Both sides are mounted on concave type dead plate（11）, the concave type dead plate（11）Inner side slide plate is installed（13）, the slide plate （13）With valve rod（6）It is slidably connected, the concave type dead plate（11）By reinforcement block（9）With slide plate（13）It is connected.

3. a kind of anti-movable cut-off valve according to claim 1, it is characterised in that：The valve body（1）Top install There is firm bar（2）, the firm bar（2）With valve rod（6）It is slidably connected.

4. a kind of anti-movable cut-off valve according to claim 1, it is characterised in that：The lid（12）Inner chamber or so Both sides are mounted on filling block（7）, the filling block（7）With valve rod（6）Slide and be connected.

5. a kind of anti-movable cut-off valve according to claim 1, it is characterised in that：The valve body（1）With lid（12） Junction be provided with sealing strip（8）.