CN217977410U - Acid and alkali resistant flange butterfly valve - Google Patents
Acid and alkali resistant flange butterfly valve Download PDFInfo
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- CN217977410U CN217977410U CN202222500787.0U CN202222500787U CN217977410U CN 217977410 U CN217977410 U CN 217977410U CN 202222500787 U CN202222500787 U CN 202222500787U CN 217977410 U CN217977410 U CN 217977410U
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Abstract
The utility model provides an acid and alkali-resistance's flange butterfly valve, including butterfly valve and installation mechanism, one side fixedly connected with mounting panel of butterfly valve, the lateral wall of mounting panel is provided with installation mechanism, the outside top of mounting panel is provided with locking mechanism, the pivot has been run through to the inside of butterfly valve, the outside cover of pivot is equipped with the regulating plate, the one end fixedly connected with control box of pivot, the carousel is installed to one side of control box. This acid and alkali-resistance's flange butterfly valve, through the screw thread, spacing, sealed and polyether ether ketone inner bag's setting, when using, spacing stopper of aiming at on the pipeline, hang the butterfly on the pipeline, easy to assemble later uses the bolt to run through the screw thread on pipeline and the installation, links together pipeline and butterfly, along with the screw thread gets tighter and tighter, can extrude the sealed interior sealed, makes sealed production deformation, and then reaches sealed effect, and then increases the life of butterfly.
Description
Technical Field
The utility model relates to a relevant technical field of flange butterfly valve especially relates to a flange butterfly valve of acid and alkali-resistance.
Background
The butterfly valve has the advantages of simple structure, small volume, light weight, simple operation and good fluid control characteristic, only consists of a few parts, and can be quickly opened and closed only by rotating 90 degrees. The butterfly plate of the butterfly valve is arranged in the diameter direction of the pipeline, the disc-shaped butterfly plate rotates around the axis in the cylindrical channel of the valve body of the butterfly valve, the rotation angle ranges from 0 degrees to 90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state. When the flange butterfly valve is in a fully open position, the thickness of the butterfly plate is the only resistance when a medium flows through the valve body, so that the pressure drop generated by the valve is small, and the flange butterfly valve has a good flow control characteristic. The butterfly valve has two sealing types of elastic sealing and metal sealing, the rotation center of the butterfly plate (i.e. the center of the valve rod) is positioned on the central line of the valve body and the section of the sealing surface of the butterfly plate, the valve seat is adopted, and when the butterfly valve is closed, the excircle sealing surface of the butterfly plate extrudes the synthetic rubber valve seat to make the valve seat generate elastic deformation, thereby forming elastic force as sealing specific pressure to ensure the sealing of the butterfly valve. The flange butterfly valve sealing structure is characterized in that the elasticity of the valve is still provided by synthetic rubber, and the characteristics of low friction coefficient, difficult abrasion, difficult aging and the like of polytetrafluoroethylene are utilized, so that the service life of the butterfly valve is prolonged.
However, most of the existing acid and alkali resistant flange butterfly valves have poor acid and alkali resistance in the use process, and the feed liquid flowing through the butterfly valve in the use process is possibly acidic or alkaline and has corrosiveness, so that the inner wall of the flange butterfly valve can be corroded, and the service life of the butterfly valve is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an acid and alkali-resistant flange butterfly valve to solve the current acid and alkali-resistant flange butterfly valve who proposes in the above-mentioned background art, in the use, most of flange butterfly valves's acid and alkali resistance is not good, and the feed liquid that flows through in the butterfly valve in the use probably is acid or alkaline, only has corrosivity, can corrode the inner wall of flange butterfly valve, reduces the life's of butterfly valve problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an acid and alkali-resistance's flange butterfly valve, includes butterfly valve and installation mechanism, and wherein installation mechanism includes thread groove, spacing groove, seal groove, sealing washer and polyether ether ketone inner bag, one side fixedly connected with mounting panel of butterfly valve, the lateral wall of mounting panel is provided with installation mechanism, the outside top of mounting panel is provided with locking mechanism, the inside of butterfly valve is run through there is the pivot, the outside cover of pivot is equipped with the regulating plate, the one end fixedly connected with control box of pivot, the carousel is installed to one side of control box.
Preferably, installation mechanism includes thread groove, spacing groove, seal groove, sealing washer and polyether ether ketone inner bag, the thread groove has been seted up to the lateral wall of mounting panel, the spacing groove has been seted up to the lateral wall of mounting panel, the seal groove has been seted up to the lateral wall of mounting panel, the sealing washer is installed to the inboard of seal groove, the inside wall fixedly connected with polyether ether ketone inner bag of butterfly valve.
Preferably, the thread groove is evenly distributed on the outer side wall of the mounting plate, and the limiting grooves are symmetrically distributed on the central axis of the mounting plate.
Preferably, locking mechanism includes screw rod, nut, fixed block, screw and bolt, one side bottom fixedly connected with screw rod of mounting panel, the outside threaded connection of screw rod has the nut, one side swing joint of nut has the fixed block, the screw has been seted up to one side of fixed block, screw internally mounted has the bolt, the outside swing joint of screw rod has the fixed block.
Preferably, the screw rod has 2 groups with the axis symmetry distribution of mounting panel, the fixed block passes through screw and bolt threaded connection.
Compared with the prior art, the beneficial effects of the utility model are that: this acid and alkali-resistance's flange butterfly valve, through the screw thread, it is spacing, it is sealed, the setting of sealed and polyether ether ketone inner bag, when using, spacing stopper on aiming at the pipeline, hang the butterfly on the pipeline, easy to assemble, do not need to aim at alone specially, later use the bolt to run through the screw thread on pipeline and the installation, link together pipeline and butterfly, along with the screw is screwed up more and more tightly, can extrude sealed interior sealed, make sealed production deformation, and then reach sealed effect, and in inside polyether ether ketone, it is sealed, the material of commentaries on classics and regulation all is polyether ether ketone, prevent that inside corrosive liquid from changeing and adjusting and producing the corruption, polyether ether ketone has acid-resistant alkali-resistant, the characteristics of resistant various organic solvents, so can prevent that inside feed liquid that passes through has corrosivity, produce the corruption to the inside of butterfly, and then increase the life of butterfly.
Drawings
FIG. 1 is a schematic side view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the mounting mechanism of the present invention;
FIG. 3 is a schematic cross-sectional view of the locking mechanism of the present invention;
fig. 4 is the structure diagram of the utility model with the rotation shaft and the adjusting plate mutually matched.
In the figure: 1. a butterfly valve; 2. mounting a plate; 3. an installation mechanism; 301. a thread groove; 302. a limiting groove; 303. a sealing groove; 304. a seal ring; 305. a polyether-ether-ketone liner; 4. a locking mechanism; 401. a screw; 402. a nut; 403. a fixed block; 404. a screw hole; 405. a bolt; 5. a rotating shaft; 6. an adjusting plate; 7. a control box; 8. a turntable.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an acid and alkali-resistant flange butterfly valve, including butterfly valve 1 and installation mechanism 3, wherein installation mechanism 3 includes thread groove 301, spacing groove 302, seal groove 303, sealing washer 304 and polyether ether ketone inner bag 305, one side fixedly connected with mounting panel 2 of butterfly valve 1, the lateral wall of mounting panel 2 is provided with installation mechanism 3, the outside top of mounting panel 2 is provided with locking mechanism 4, butterfly valve 1's inside is run through there is pivot 5, the outside cover of pivot 5 is equipped with regulating plate 6, the one end fixedly connected with control box 7 of pivot 5, carousel 8 is installed to one side of control box 7.
Further, the mounting mechanism 3 comprises a thread groove 301, a limiting groove 302, a sealing groove 303, a sealing ring 304 and a polyether-ether-ketone liner 305, the thread groove 301 is formed in the outer side wall of the mounting plate 2, the limiting groove 302 is formed in the outer side wall of the mounting plate 2, the sealing groove 303 is formed in the outer side wall of the mounting plate 2, the sealing ring 304 is mounted on the inner side of the sealing groove 303, the polyether-ether-ketone liner 305 is fixedly connected to the inner side wall of the butterfly valve 1, and through the arrangement of the thread groove 301, the limiting groove 302, the sealing groove 303, the sealing ring 304 and the polyether-ether-ketone liner 305, when in use, the limiting groove 302 is aligned with a limiting block on a pipeline, the butterfly valve 1 is hung on the pipeline, the mounting is convenient, and the butterfly valve does not need to be specially aligned by one person, then, fixing bolts penetrate through thread grooves 301 in the pipeline and the mounting plate 2 to connect the pipeline and the butterfly valve 1 together, the sealing ring 304 in the sealing groove 303 is squeezed along with the fact that the pipeline and the butterfly valve are screwed more and more tightly, the sealing ring 304 is deformed, and therefore the sealing effect is achieved, the inner polyether-ether-ketone liner 305, the sealing ring 304, the rotating shaft 5 and the adjusting plate 6 are made of polyether-ether-ketone, corrosion of corrosive liquid inside the rotating shaft 5 and the adjusting plate 6 is prevented, the polyether-ether-ketone has the advantages of being resistant to acid and alkali and various organic solvents, the material liquid passing through the inner portion can be prevented from being corrosive, the inner portion of the butterfly valve 1 is prevented from being corroded, and the service life of the butterfly valve 1 is prolonged.
Further, thread groove 301 is at the lateral wall evenly distributed of mounting panel 2, and spacing groove 302 is with the axis symmetric distribution of mounting panel 2, through thread groove 301 and mounting panel 2's setting, and when using, thread groove 301 is at the lateral wall evenly distributed of mounting panel 2, can make the pipeline installation more stable.
Further, the locking mechanism 4 comprises a screw 401, a nut 402, a fixing block 403, a screw hole 404 and a bolt 405, the screw 401 is fixedly connected to the bottom end of one side of the mounting plate 2, the nut 402 is connected to the outer side of the screw 401 in a threaded manner, the fixing block 403 is movably connected to one side of the nut 402, the screw hole 404 is formed in one side of the fixing block 403, the bolt 405 is installed inside the screw hole 404, the fixing block 403 is movably connected to the outer side of the screw 401, the nut 402, the fixing block 403, the screw hole 404 and the bolt 405 are arranged, when the locking mechanism is used, the nut 402 is firstly screwed on, then the fixing block 403 is moved upwards, after the pipeline is installed, the fixing block 403 is moved down, then the bolt 405 is screwed back, the fixing block 403 is limited, then the bolt 405 is screwed into the screw hole 404, the pipeline can be extruded along with the screwing of the bolt 405, and further fixing is performed on the pipeline, so that the pipeline is installed more stably.
Further, the screw rod 401 has 2 groups with the axis symmetric distribution of mounting panel 2, and fixed block 403 passes through screw 404 and bolt 405 threaded connection, and through the setting of screw rod 401 and mounting panel 2, when using, screw rod 401 has 2 groups with the axis symmetric distribution of mounting panel 2, can increase pipeline installation's stability.
The working principle is as follows: the pipeline sealing structure is characterized in that a limiting groove 302 is aligned to a limiting block on a pipeline, a butterfly valve 1 is hung on the pipeline, the pipeline sealing structure is convenient to install, a person does not need to specially align, then a fixing bolt penetrates through a thread groove 301 on the pipeline and an installation plate 2, the pipeline and the butterfly valve 1 are connected together, the sealing ring 304 in a sealing groove 303 can be extruded along with the screwing of the pipeline, the sealing ring 304 is deformed, and the sealing effect is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a flange butterfly valve of acid and alkali-resistance, includes butterfly valve (1) and installation mechanism (3), wherein installation mechanism (3) include thread groove (301), spacing groove (302), seal groove (303), sealing washer (304) and polyether ether ketone inner bag (305), its characterized in that: one side fixedly connected with mounting panel (2) of butterfly valve (1), the lateral wall of mounting panel (2) is provided with installation mechanism (3), the outside top of mounting panel (2) is provided with locking mechanism (4), the inside of butterfly valve (1) is run through and is had pivot (5), the outside cover of pivot (5) is equipped with regulating plate (6), the one end fixedly connected with control box (7) of pivot (5), carousel (8) are installed to one side of control box (7).
2. The acid and alkali resistant flange butterfly valve of claim 1, wherein: installation mechanism (3) are including thread groove (301), spacing groove (302), seal groove (303), sealing washer (304) and polyether ether ketone inner bag (305), thread groove (301) have been seted up to the lateral wall of mounting panel (2), spacing groove (302) have been seted up to the lateral wall of mounting panel (2), seal groove (303) have been seted up to the lateral wall of mounting panel (2), sealing washer (304) are installed to the inboard of seal groove (303), inside wall fixedly connected with polyether ether ketone inner bag (305) of butterfly valve (1).
3. The acid and alkali resistant flange butterfly valve of claim 2, wherein: thread groove (301) are at the lateral wall evenly distributed of mounting panel (2), spacing groove (302) are with the axis symmetric distribution of mounting panel (2).
4. The acid and alkali resistant flange butterfly valve of claim 1, wherein: locking mechanism (4) include screw rod (401), nut (402), fixed block (403), screw (404) and bolt (405), one side bottom fixedly connected with screw rod (401) of mounting panel (2), the outside threaded connection of screw rod (401) has nut (402), one side swing joint of nut (402) has fixed block (403), screw (404) have been seted up to one side of fixed block (403), screw (404) internally mounted has bolt (405), the outside swing joint of screw rod (401) has fixed block (403).
5. The acid and alkali resistant flange butterfly valve of claim 4, wherein: the screw rod (401) has 2 groups with the axis symmetric distribution of mounting panel (2), fixed block (403) pass through screw (404) and bolt (405) threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222500787.0U CN217977410U (en) | 2022-09-21 | 2022-09-21 | Acid and alkali resistant flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222500787.0U CN217977410U (en) | 2022-09-21 | 2022-09-21 | Acid and alkali resistant flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977410U true CN217977410U (en) | 2022-12-06 |
Family
ID=84264921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222500787.0U Active CN217977410U (en) | 2022-09-21 | 2022-09-21 | Acid and alkali resistant flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977410U (en) |
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2022
- 2022-09-21 CN CN202222500787.0U patent/CN217977410U/en active Active
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