CN206130119U - Stable -type throttle is by atmospheric valve - Google Patents

Abstract

The utility model discloses a stable -type throttle is by atmospheric valve, including valve body and valve pipe, stabilising arrangement is installed on the top of valve body, stabilising arrangement includes reinforced block, reinforced block links to each other with the valve rod screw thread, the fixed plate is all installed to reinforced block's the left and right sides, install the screw rod on the outer wall of fixed plate, the stabilizer bar has been cup jointed on the outer wall of screw rod, the stabilizer bar passes through the fixed block and links to each other with the fixed plate, the valve rod fixed plate is installed to the inboard of screw rod, the connecting rod is installed in the outside of screw rod, install the crank on the outer wall of connecting rod. This stable -type throttle is by atmospheric valve is in static lower time of the condition when sealed piece, links to each other through reinforced block and valve rod screw thread and to strengthen the stability of valve rod, and can to drive the connecting rod rotatory through rotating the crank, links to each other through screw rod and fixed plate screw thread, can rotate the screw rod to the valve rod direction, fixes the valve rod through the valve rod fixed plate.

Description

A kind of stable choke stop evacuation valve

Technical field

This utility model is related to atmospheric valve technical field, specially a kind of stable choke stop evacuation valve.

Background technology

Mesh choke stop evacuation valve be a kind of new throttling, cut-off, emptying product, be widely used in oil, natural gas, Make closed circuit device, such as Patent No. on the pipeline of coal gas, oil liquefied gas and oil refining, airport, chemical industry, Oil ＆ Gas Storage etc. 201520642899.7 patent, including valve body, flap, valve gap, valve rod and handwheel, valve body be provided with respectively from its two it is lateral in Between the flow channel that extends and flow pass, although with self-cleaning function, but valve rod can be being caused using this for a long time Sealing block remains static down as the impact band ovable valve stem that media flow is produced is moved vertically, to cause sealing block Easily gap is produced between valve seat under resting state and leakage occurs.

Utility model content

The purpose of this utility model is to provide a kind of stable choke stop evacuation valve, to solve in above-mentioned background technology The problem of proposition.

For achieving the above object, this utility model provides following technical scheme：A kind of stable choke stop evacuation valve, bag Valve body and valve pipe are included, the left and right sides of the valve body is installed with valve pipe, and the inner chamber bottom of the valve body is provided with valve seat, The upper end of the valve seat is provided with sealing block, and the sealing block is coordinated with valve seat and is connected, and the top of the sealing block is provided with valve Bar, the valve rod run through valve body, and the top of the valve rod is provided with handwheel, and the top of the valve body is provided with stabilising arrangement, institute Stating stabilising arrangement includes reinforcement block, and the reinforcement block is connected with threaded stem, and the left and right sides of the reinforcement block is mounted on admittedly Fixed board, is provided with screw rod on the outer wall of the fixed plate, the fixed plate is connected with screw flight, covers on the outer wall of the screw rod Stabiliser bar is connected to, the stabiliser bar is connected with fixed plate by fixed block, valve rod fixed plate, institute are installed on the inside of the screw rod State, crank is installed on the outer wall of the connecting rod.

Preferably, anti-fixture block is socketed with the outer wall of the valve rod, the valve rod is connected with anti-fixture block screw thread, the anti-sticking The left and right sides of block is mounted on antiseize device, and the antiseize device includes anti-sticking case, and the inner chamber of the anti-sticking case is provided with bullet Property part, is provided with sliding bar on the inside of the elastic component, the both sides up and down of the sliding bar are mounted on slide block, the sliding bar Coordinate with slide block and be connected.

Preferably, the sealing block is provided with firm plate with the junction of valve rod.

Preferably, flexible boot is enclosed with the outer wall of the handwheel.

Preferably, rubber sleeve is wrapped up on the outer wall of the crank.

Compared with prior art, the beneficial effects of the utility model are：The stable choke stop evacuation valve, by handwheel Drive sealing block to pull down during twisting depressed stem, make sealing block and valve seat be connected on sealed, at sealing block When in the case of static, it is connected with threaded stem by reinforcement block and can strengthens the stability of valve rod, can by rotating crank To drive connecting rod rotation, it is connected with fixed plate screw thread by screw rod, screw rod can be rotated to valve rod direction, it is solid by valve rod Fixed board is fixed to valve rod, prevents valve rod under static state as the impact band ovable valve stem that media flow is produced is sent out vertically Raw movement, is affected the sealing of valve body, is connected with threaded stem by anti-fixture block, is slided with slide block by sliding bar during twisting valve rod Dynamic connection can be such that sliding bar operates into anti-sticking case, by elastic component can ceaselessly springing sliding bar, valve rod can be prevented Block, affect sealing.

Description of the drawings

Fig. 1 is this utility model structural representation；

Fig. 2 is stabilising arrangement structural representation of the present utility model；

Fig. 3 is antiseize device structural representation of the present utility model.

In figure：1st, valve body, 2, valve pipe, 3, sealing block, 4, stabilising arrangement, 401, stabiliser bar, 402, fixed plate, 403, shake 404, fixed block, 405, reinforcement block, 406, valve rod fixed plate, 407, screw rod, 408, rubber sleeve, 409, connecting rod, 5, handss Wheel, 6, antiseize device, 601, anti-sticking case, 602, slide block, 603, sliding bar, 604, elastic component, 7, flexible boot, 8, valve rod, 9, anti- Fixture block, 10, firm plate, 11, valve seat.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this 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 this utility model protection.

Fig. 1-3 are referred to, this utility model provides a kind of technical scheme：A kind of stable choke stop evacuation valve, including Valve body 1 and valve pipe 2, the left and right sides of the valve body 1 are installed with valve pipe 2, and the inner chamber bottom of the valve body 1 is provided with valve Seat 11, the upper end of the valve seat 11 are provided with sealing block 3, and the sealing block 3 is coordinated with valve seat 11 and is connected, the sealing block 3 Top is provided with valve rod 8, and the sealing block 3 is provided with firm plate 10 with the junction of valve rod 8, can be strengthened by firm plate 10 The connection of sealing block 3 and valve rod 8, the valve rod 8 run through valve body 1, and the top of the valve rod 8 is provided with handwheel 5, by handwheel 5 Twisting valve rod 8 drives when pushing sealing block 3 to pull down, make sealing block 3 and valve seat 11 be connected on sealed, the handss Flexible boot 7 is enclosed with the outer wall of wheel 5, anti-fixture block 9, the valve rod 8 and 9 spiral shell of anti-fixture block on the outer wall of the valve rod 8, is socketed with Stricture of vagina is connected, and the left and right sides of the anti-fixture block 9 is mounted on antiseize device 6, and the antiseize device 6 includes anti-sticking case 601, described The inner chamber of anti-sticking case 601 is provided with elastic component 604, and the inner side of the elastic component 604 is provided with sliding bar 603, the sliding bar 603 both sides up and down are mounted on slide block 602, and the sliding bar 603 is coordinated with slide block 602 and is connected, by anti-fixture block 9 and valve rod 8 screw threads are connected, and being slidably connected by sliding bar 603 and slide block 602 during twisting valve rod 8 can make sliding bar 603 to anti-sticking case 601 Interior running, by elastic component 604 can ceaselessly springing sliding bar 603, can prevent valve rod 8 from blocking, affect sealing, the valve The top of body 1 is provided with stabilising arrangement 4, and the stabilising arrangement 4 includes reinforcement block 405, the reinforcement block 405 and 8 screw thread of valve rod It is connected, the left and right sides of the reinforcement block 405 is mounted on fixed plate 402, is provided with screw rod on the outer wall of the fixed plate 402 407, the fixed plate 402 is connected with 407 screw thread of screw rod, and stabiliser bar 401 is socketed with the outer wall of the screw rod 407, described steady Fixed pole 401 is connected with fixed plate 402 by fixed block 404, and the inner side of the screw rod 407 is provided with valve rod fixed plate 406, described The outside of screw rod 407 is provided with connecting rod 409, when sealing block 3 is in the case of static, by reinforcement block 405 and valve rod 8 Screw thread is connected and can strengthen the stability of valve rod 8, connecting rod 409 can be driven to rotate by rotating crank 403, by screw rod 407 are connected with 402 screw thread of fixed plate, screw rod 407 can be rotated to 8 direction of valve rod, by valve rod fixed plate 406 to valve rod 8 It is fixed, prevents valve rod 8 under static state as the impact band ovable valve stem 8 that media flow is produced is moved vertically, Crank 403 is installed on the outer wall of the connecting rod 409, flexible boot 408 is enclosed with the outer wall of the crank 403, by rubber Gum cover 408 can prevent crank 403 from sliding excessively.

Being twisted by handwheel 5 drive sealing block 3 to pull down when valve rod 8 is pushed, and makes sealing block 3 be connected with valve seat 11 On sealed, when sealing block 3 is in the case of static, is connected with 8 screw thread of valve rod by reinforcement block 405 and can strengthen valve The stability of bar 8, can drive connecting rod 409 to rotate by rotating crank 403, by screw rod 407 and 402 screw thread phase of fixed plate Even, screw rod 407 can be rotated to 8 direction of valve rod, valve rod 8 is fixed by valve rod fixed plate 406, prevents valve rod 8 from existing As the impact band ovable valve stem 8 that media flow is produced is moved vertically under resting state, the sealing of valve body 1 is affected, is led to Cross anti-fixture block 9 to be connected with 8 screw thread of valve rod, being slidably connected by sliding bar 603 and slide block 602 during twisting valve rod 8 to make slip Bar 603 is operated into anti-sticking case 601, by elastic component 604 can ceaselessly springing sliding bar 603, can prevent valve rod 8 from blocking Firmly, affect sealing.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " middle part ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " central authorities ", the orientation of the instruction such as " two ends " or position The relation of putting is, based on orientation shown in the drawings or position relationship, to be for only for ease of description this utility model and simplify description, and Be not indicate or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore It is not intended that to restriction of the present utility model.

In this 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 it is integral； Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals, unless otherwise clearly restriction, for this area For those of ordinary skill, concrete meaning of the above-mentioned term in this utility model can be understood as the case may be.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair 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 stable choke stop evacuation valve, including valve body（1）With valve pipe（2）, the valve body（1）The left and right sides it is solid Dingan County is equipped with valve pipe（2）, it is characterised in that：The valve body（1）Inner chamber bottom valve seat is installed（11）, the valve seat（11）'s Upper end is provided with sealing block（3）, the sealing block（3）With valve seat（11）Coordinate and be connected, the sealing block（3）Top be provided with Valve rod（8）, the valve rod（8）Through valve body（1）, the valve rod（8）Top handwheel is installed（5）, the valve body（1）Top End is provided with stabilising arrangement（4）, the stabilising arrangement（4）Including reinforcement block（405）, the reinforcement block（405）With valve rod（8）Spiral shell Stricture of vagina is connected, the reinforcement block（405）The left and right sides be mounted on fixed plate（402）, the fixed plate（402）Outer wall on pacify Equipped with screw rod（407）, the fixed plate（402）With screw rod（407）Screw thread is connected, the screw rod（407）Outer wall on be socketed with Stabiliser bar（401）, the stabiliser bar（401）By fixed block（404）With fixed plate（402）It is connected, the screw rod（407）It is interior Side is provided with valve rod fixed plate（406）, the screw rod（407）Outside connecting rod is installed（409）, the connecting rod（409） Outer wall on crank is installed（403）.

2. a kind of stable choke stop evacuation valve according to claim 1, it is characterised in that：The valve rod（8）It is outer Anti- fixture block is socketed with wall（9）, the valve rod（8）With anti-fixture block（9）Screw thread is connected, the anti-fixture block（9）The left and right sides it is equal Antiseize device is installed（6）, the antiseize device（6）Including anti-sticking case（601）, the anti-sticking case（601）Inner chamber be provided with Elastic component（604）, the elastic component（604）Inner side sliding bar is installed（603）, the sliding bar（603）Both sides up and down It is mounted on slide block（602）, the sliding bar（603）With slide block（602）Coordinate and be connected.

3. a kind of stable choke stop evacuation valve according to claim 1, it is characterised in that：The sealing block（3）With Valve rod（8）Junction firm plate is installed（10）.

4. a kind of stable choke stop evacuation valve according to claim 1, it is characterised in that：The handwheel（5）It is outer Flexible boot is enclosed with wall（7）.

5. a kind of stable choke stop evacuation valve according to claim 1, it is characterised in that：The crank（403）'s Flexible boot is enclosed with outer wall（408）.