CN206130212U - Oil field is with firm formula check valve - Google Patents

Abstract

The utility model discloses an oil field is with firm formula check valve, which comprises the following components: a valve body, the non return device is installed on the top of backup pad, the non return device includes the box, the inner chamber of box is equipped with the through -hole, the end cap is installed to the inboard of through -hole, the end cap links to each other with the through -hole cooperation, the left side central point of end cap puts and installs the bracing piece, the spring is installed in the left side of bracing piece, the sliding plate is installed in the left side of spring, the limiting plate is installed in the outside of sliding plate. This oil field is with firm formula check valve, in the time of in fluid enters into the valve body from the valve body right side, through -hole in the fluid getting into the begins to strike the end cap, the slide bar drives the end cap and sideslips left and move, the spring promotes the sliding plate, it has certain gap between sliding plate and the limiting plate to make, when fluid stops, through the spring the slow drive reposition of sliding plate, prevent that the fluid flow from going back, the collision that has alleviateed valve body and inner member has prolonged life.

Description

A kind of oil field formula of consolidating check-valves

Technical field

The utility model is related to check-valves technical field, the specially a kind of oil field formula of consolidating check-valves.

Background technology

Check-valves also known as check (non-return) valve, check valve or non-return valve, its effect be prevent medium directed flow in pipeline and not The function of flowing backwards is caused, the firm formula check-valves in oil field is a kind of conventional valve class device, and its principle is by the power of media flow Amount is realized opening and closing, to prevent the refluence of medium, oil field to be mainly used on the pipeline of medium one-way flow with firm formula check-valves, only Medium is allowed to flow to a direction, such as patent of Patent No. 201520312564.9, including valve body, flap and valve seat, Sealing ring is designed between valve body and flap, flap includes flap body and flap shaft, although product structure is simple, and cost is relative Prior art traditional product decreases, but when fluid clashes flap, drives the rocking bar on flap to rotate up touching To valve interior wall, under the continuous shock of rocking bar, valve interior wall is highly susceptible to damage and even ruptures, when fluid stops, valve Lobe is closed at suddenly on the valve seat of valve body by Action of Gravity Field, and check device is easily damaged, and then affects the use of check-valves Life-span.

Utility model content

The purpose of this utility model is to provide a kind of oil field firm formula check-valves, to solve above-mentioned background technology in carry The problem for going out.

For achieving the above object, the utility model provides following technical scheme：A kind of oil field formula of consolidating check-valves, including Valve body, the top of the valve body is provided with lid, and the seat of honour is connected by screw rod with valve body, and the top of the upper lid is provided with Draw ring, the inner chamber bottom of the valve body is provided with gripper shoe, and the top of the gripper shoe is provided with check device, the check device Including casing, the inner chamber of the casing is provided with through hole, and plug is provided with the inside of the through hole, and the plug coordinates phase with through hole Even, the Left-side center position of the plug is provided with support bar, spring, a left side for the spring is provided with the left of the support bar Side is provided with sliding panel, and limiting plate is provided with the outside of the sliding panel, and the limiting plate coordinates with sliding panel and is connected, described The both sides up and down of strut are mounted on slide bar, and the slide bar coordinates with through hole and is connected, and the outer wall of the slide bar is provided with second and leads to Hole, the top of the check device is provided with fixed plate, and the top of the fixed plate is provided with fixing device, the fixing device Including base is reinforced, the top of the reinforcing base is provided with stabiliser bar, and the top of the stabiliser bar is provided with connecting seat, described Connecting seat is connected through stabiliser bar by the second reinforcing bar with base is reinforced.

Preferably, the inner chamber bottom of the valve body is provided with valve seat, and valve block, the valve seat are provided with the inside of the valve seat Coordinate with valve seat and be connected, the top of the valve seat is provided with valve rod, and the valve rod runs through valve body, and the top of the valve rod is provided with Handwheel.

Preferably, the upper lid is provided with securing plate with the junction of draw ring.

Preferably, the valve body is provided with rubber blanket with the junction of upper lid.

Preferably, the both sides up and down of the plug are mounted on gag lever post.

Compared with prior art, the beneficial effects of the utility model are：The oil field formula of consolidating check-valves, when fluid is from valve When body right side is entered in valve body, fluid starts to impact plug into the through hole in casing, is slidably connected with through hole by slide bar, Slide bar drives plug Slideslip to the left, drives support bar and spring to operate to the left while plug slides, and spring is promoted to be slided Dynamic plate, makes have certain gap between sliding panel and limiting plate, and fluid is flowed into away by the second through hole, when fluid stops When, original place is slowly driven back by spring handle sliding panel, carry out preventing fluid flowing from going back, alleviate valve body and inner member Collision, extend service life, multiple accurate positioning, effective anti-return can be fixed on fixed plate only by fixing device The top of return device, strengthens the stability of check device, by loosening screw rod upper lid can be made to separate with valve body, is drawn by pulling Ring, fixing device and fixed plate can be pulled out carries out laid-up.

Description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is check device structural representation of the present utility model；

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

In figure：1st, valve body, 2, valve seat, 3, fixed plate, 4, screw rod, 5, upper lid, 6, check device, 601, through hole, 602, case Body, 603, gag lever post, the 604, second through hole, 605, spring, 606, limiting plate, 607, sliding panel, 608, support bar, 609, sliding Bar, 610, plug, 7, securing plate, 8, fixing device, 801, reinforce base, 802, stabiliser bar, 803, connecting seat, 804, reinforce Bar, 9, rubber blanket, 10, valve block, 11, draw ring, 12, valve rod, 13, handwheel, 14, gripper shoe.

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 oil field formula of consolidating check-valves, including valve Body 1, the top of the valve body 1 is provided with lid 5, and the seat of honour 5 is connected by screw rod 4 with valve body 1, the valve body 1 and upper lid 5 Junction be provided with rubber blanket 9, by rubber blanket 9 valve body 1 can be made tighter with the connection of upper lid 5, the top of the upper lid 5 Draw ring 11 is installed, by loosening screw rod 4 upper lid 5 can be made to separate with valve body 1, by pulling draw ring 11, can be fixed dress Put 8 pulls out the junction for carrying out laid-up, the upper lid 5 and draw ring 11 to be provided with securing plate 7, institute with fixed plate 3 The inner chamber bottom for stating valve body 1 is provided with valve seat 2, and the inner side of the valve seat 2 is provided with valve block 10, and the valve seat 2 is matched somebody with somebody with valve seat 10 Close and be connected, the top of the valve seat 10 is provided with valve rod 12, and the valve rod 12 runs through valve body 1, and the top of the valve rod 12 is installed There is handwheel 13, in non-return by twisting handwheel 13, valve rod 12 can be made to operate downwards with movable valve block 10, make valve block 10 and valve seat 2 cooperations are connected together, and strengthen the effect of non-return, and the inner chamber bottom of the valve body 1 is provided with gripper shoe 14, the gripper shoe 14 Top check device 6 is installed, the check device 6 includes casing 602, and the inner chamber of the casing 602 is provided with through hole 601, The inner side of the through hole 601 is provided with plug 610, and the both sides up and down of the plug 610 are mounted on gag lever post 603, by limit Position bar 603 can strengthen the stability of plug 610, and the plug 610 coordinates with through hole 601 and is connected, the left side of the plug 610 Center is provided with support bar 608, and the left side of the support bar 608 is provided with spring 605, the left side peace of the spring 605 Equipped with sliding panel 607, the outside of the sliding panel 607 is provided with limiting plate 606, and the limiting plate 606 coordinates with sliding panel 607 It is connected, the both sides up and down of the support bar 608 are mounted on slide bar 609, and the slide bar 609 coordinates with through hole 601 and is connected, described The outer wall of slide bar 609 is provided with the second through hole 604, and when fluid is entered in valve body 1 from the right side of valve body 1, fluid enters casing Through hole 601 in 602 starts to impact plug 610, is slidably connected with through hole 601 by slide bar 609, and slide bar 609 drives plug 610 To the left Slideslip, drives support bar 608 and spring 605 to operate to the left while plug 610 slides, and spring promotes sliding panel 607, make have certain gap between sliding panel 607 and limiting plate 606, and fluid is flowed into away by the second through hole 604, works as oil When liquid stops, original place is slowly driven back sliding panel 607 by spring 605, carry out preventing fluid flowing from going back, alleviate valve Body 1 and the collision of inner member, extend service life, and the top of the check device 6 is provided with fixed plate 3, the fixation The top of plate 3 is provided with fixing device 8, and the fixing device 8 includes reinforcing base 801, the top peace for reinforcing base 801 Equipped with stabiliser bar 802, the top of the stabiliser bar 802 is provided with connecting seat 803, and the connecting seat 803 passes through the second reinforcing bar 804 are connected through stabiliser bar 802 with base 801 is reinforced, and fixed plate 3 check device 6 can be fixed on by fixing device 8 Top, strengthens the stability of check device 6.

When fluid is entered in valve body 1 from the right side of valve body 1, it is stifled that fluid starts impact into the through hole 601 in casing 602 610, it is slidably connected with through hole 601 by slide bar 609, slide bar 609 drives the Slideslip to the left of plug 610, slides in plug 610 While drive support bar 608 and spring 605 to operate to the left, spring promotes sliding panel 607, makes sliding panel 607 and limiting plate There is certain gap between 606, and fluid is flowed into away by the second through hole 604, when fluid stops, by 605, spring Sliding panel 607 slowly drives go back to original place, carries out preventing fluid flowing from going back, and alleviates the collision of valve body 1 and inner member, prolongs Service life is grown, multiple accurate positioning, effective anti-return can be fixed on check device 6 by fixing device 8 fixed plate 3 Top, strengthen check device 6 stability, by loosen screw rod 4 upper lid 5 can be made to separate with valve body 1, by pulling draw ring 11, fixing device 8 and fixed plate 3 can be pulled out carries out laid-up.

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 the 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 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 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 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 of without departing from principle of the present utility model and spirit, 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 oil field formula of consolidating check-valves, including valve body（1）, it is characterised in that：The valve body（1）Top be provided with Lid（5）, the upper lid（5）By screw rod（4）With valve body（1）It is connected, the upper lid（5）Top draw ring is installed（11）, institute State valve body（1）Inner chamber bottom be provided with gripper shoe（14）, the gripper shoe（14）Top check device is installed（6）, it is described Check device（6）Including casing（602）, the casing（602）Inner chamber be provided with through hole（601）, the through hole（601）Inner side Plug is installed（610）, the plug（610）With through hole（601）Coordinate and be connected, the plug（610）Left-side center position Support bar is installed（608）, the support bar（608）Left side spring is installed（605）, the spring（605）Left side peace Equipped with sliding panel（607）, the sliding panel（607）Outside limiting plate is installed（606）, the limiting plate（606）With slip Plate（607）Coordinate and be connected, the support bar（608）Both sides up and down be mounted on slide bar（609）, the slide bar（609）With it is logical Hole（601）Coordinate and be connected, the slide bar（609）Outer wall be provided with the second through hole（604）, the check device（6）Top Fixed plate is installed（3）, the fixed plate（3）Top fixing device is installed（8）, the fixing device（8）Including reinforcing Base（801）, the reinforcing base（801）Top stabiliser bar is installed（802）, the stabiliser bar（802）Top install There is connecting seat（803）, the connecting seat（803）By the second reinforcing bar（804）Through stabiliser bar（802）With reinforcing base （801）It is connected.

2. a kind of oil field use according to claim 1 consolidates formula check-valves, it is characterised in that：The valve body（1）Inner chamber Bottom is provided with valve seat（2）, the valve seat（2）Inner side valve block is installed（10）, the valve seat（2）With valve seat（10）Coordinate phase Even, the valve seat（10）Top valve rod is installed（12）, the valve rod（12）Through valve body（1）, the valve rod（12）Top End is provided with handwheel（13）.

3. a kind of oil field use according to claim 1 consolidates formula check-valves, it is characterised in that：The upper lid（5）With Draw ring（11）Junction be provided with securing plate（7）.

4. a kind of oil field use according to claim 1 consolidates formula check-valves, it is characterised in that：The valve body（1）With upper lid （5）Junction be provided with rubber blanket（9）.

5. a kind of oil field use according to claim 1 consolidates formula check-valves, it is characterised in that：The plug（610）It is upper Lower both sides are mounted on gag lever post（603）.