CN203594795U - Flat pressing butterfly valve - Google Patents
Flat pressing butterfly valve Download PDFInfo
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- CN203594795U CN203594795U CN201320747391.4U CN201320747391U CN203594795U CN 203594795 U CN203594795 U CN 203594795U CN 201320747391 U CN201320747391 U CN 201320747391U CN 203594795 U CN203594795 U CN 203594795U
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- rotatingshaft
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Abstract
The utility model relates to the field of valves, in particular to a flat pressing butterfly valve. The flat pressing butterfly valve comprises a valve body, a guide board, a guide shaft, a valve board, a movable cam, a movable board and a rotary shaft; the valve body is a hollow cylinder with one open end, and the sealed end of the valve body is provided with a through hole; the guide board is fixedly arranged in the valve body; the movable board and the guide board are arranged in parallel; the rotary shaft can drive the movable board to rotate through the movable cam; the movable cam can drive the movable board to rotate in a movable board through groove by making the rotary shaft as the center; the stretching end of the guide shaft penetrates through the movable board; the valve board is arranged inside the valve body and fixed on the movable board, the valve board is in parallel with the axis of the rotary shaft, and the valve board can cover the through hole but not make contact with the side wall of the valve body. According to the flat pressing butterfly valve, the mode that the valve board is turned, moves horizontally and is pressed into a pipe is adopted, the sealing effect is achieved by means of the horizontal movement and turning, no relative friction exists between the valve board and the valve body, abrasion and other damage are low, sealing performance of the valve is guaranteed, and service life of the valve is prolonged.
Description
Technical field
The utility model relates to valve field, in particular to a kind of balance pressure type butterfly valve.
Background technique
Butterfly valve is as a vitals in pipe-line system, and the quality of its sealability and the length in working life have determined the quality of valve mass.
Existing butterfly valve is to use circular butterfly plate as open-shut device, and rotates to open, close and regulate a kind of valve of fluid passage with valve rod.Between the Sealing of existing butterfly valve and valve body, in the several angle of opening and close, have relative friction, wear and tear larger, working life is short.
Model utility content
The purpose of this utility model is to provide a kind of balance pressure type butterfly valve, to solve the above problems.
A kind of balance pressure type butterfly valve is provided in embodiment of the present utility model, and it comprises valve body, guide plate, the axis of guide, valve plate, movable cam, mobile plate and rotatingshaft.
Valve body is the hollow circular cylinder of an end opening, and its closed end is provided with through hole.
Guide plate is " L " shape, and parallel with the axis of valve body, is fixedly installed in valve body, and a right angle side of guide plate is parallel with the closed end of valve body, and its another right angle side extends towards the direction away from valve body closed end;
Mobile plate and guide plate be arranged in parallel, are provided with mobile plate groove on mobile plate, and mobile plate groove comprises translot and vertical slot, and one end of translot is connected and communicates with one end of vertical slot is vertical; Movable cam is placed in mobile plate groove, and its two ends are separately positioned in translot and vertical slot.
One end of rotatingshaft is passed one end and the guide plate of movable cam successively, be rotationally connected with guide plate, and can drive mobile plate to rotate by movable cam, the rotatingshaft the other end is placed in outside valve body, movable cam can drive mobile plate to rotate centered by rotatingshaft in mobile plate groove.
The axis of guide has an external part through mobile plate, and external part is placed within the scope of 90 ° that guide plate " L " shape limits, and guide plate can be by the rotation of external part restraint plate;
Valve plate is arranged in valve body, is fixed on mobile plate, and valve plate is parallel with the axis of rotatingshaft, valve plate can cover in through hole and not with the sidewall contact of valve body.
Balance pressure type butterfly valve of the present utility model, has adopted translation after valve plate upset has been pressed into the mode in pipe, by translation, two actions of upset, realize sealing effect, between valve plate and valve body, without relative friction, wearing and tearing etc. destroy little, sealability and the working life of having guaranteed valve.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is that the A of the utility model embodiment Fig. 1 is to view.
In figure, 1: handle; 2: positioning disk; 3: valve body; 4: mobile plate; 5: cover plate; 6: the axis of guide; 7: movable cam; 8: guide plate; 9: external part; 10: support; 11: valve plate; 12: pressing plate; 13: seal ring; 14: rotatingshaft; 15: vertical slot; 16: translot; 17: opening slot; 18: gusset; 19: through hole.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, will the technical solution of the utility model be carried out to clear, complete description below.Obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, all other embodiments that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 1, the utility model balance pressure type butterfly valve comprises valve body 3, guide plate 8, the axis of guide 6, valve plate 11, movable cam 7, mobile plate 4 and rotatingshaft 14.
In the time of valve open, fluid can flow through from through hole 19, and in the time of valve closing, through hole 19 is closed, and fluid can not pass through.
As shown in Figure 2, guide plate 8 is " L " shape, and parallel with the axis of valve body 3, is fixedly installed in valve body 3, and a right angle side of guide plate 8 is parallel with the closed end of valve body 3, and its another right angle side extends towards the direction away from valve body 3 closed ends;
90 ° of scopes that guide plate 8 " L " shape limits are at first quartile or the second quadrant, and the angle of " L " shape as shown in Figure 2 in the above.
One end of rotatingshaft 14 is passed one end and the guide plate 8 of movable cam 7 successively, be rotationally connected with guide plate 8, and can drive mobile plate 4 to move by movable cam 7, rotatingshaft 14 the other ends are placed in outside valve body 3, movable cam can drive mobile plate 4 to move centered by rotatingshaft in mobile plate groove.
Rotatingshaft 14 passes movable cam 7 one end in vertical slot 15, and is rotationally connected guide plate 8, can be that square hole is connected between rotatingshaft 14 and movable cam 7, can be also that key connects, and makes in the time that rotatingshaft 14 rotates, and can drive movable cam 7 to rotate.Rotatingshaft 14 one end are in valve body 3, and one end is outside valve body 3, and the one end by rotatingshaft 14 outside valve body, can conveniently drive rotatingshaft 14 to rotate.
The axis of guide 6 has an external part 9 through mobile plate 4, and external part 9 is placed within the scope of 90 ° that guide plate 8 " L " shape limits, and guide plate 8 can pass through the motion of external part 9 restraint plates 4.
Drive movable cam 7 to rotate when driving rotatingshaft 14 to rotate, thereby mobile plate 4 is rotated centered by rotatingshaft 14, when two right angle sides that are directed to plate when the external part 9 of mobile plate 4 block, mobile plate 4 just can not be rotated further, while continuing to drive rotatingshaft 14 to rotate, mobile plate 4 just can only be along valve body 3 axis to close through hole direction translation.Valve plate 11 is arranged in valve body 3, is fixed on mobile plate 4, and valve plate 11 is parallel with the axis of rotatingshaft 14, valve plate 11 can cover in through hole 19 and not with the sidewall contact of valve body 3.
Valve plate 11 is fixed on mobile plate 4, and it rotates and translation with mobile plate 4, because its size can cover in through hole 19, therefore can complete sealing; And valve plate 11 does not contact with the side plate of valve body 3, thereby effectively reduce friction, extended the working life of valve plate 11.
When the maximum unlatching of valve, valve plate 11 is axially parastate with valve body 3, rotates, thereby drive movable cam 7 to rotate at the outer driving rotatingshaft 14 of valve body 3, and movable cam 7 drives mobile plate 4 and valve plate 11 to rotate again, and the axis of guide 6 also rotates thereupon.The axis of guide 6 is directed to the right angle side that plate 8 is vertical with valve body 3 closed ends and blocks cannot rotate time, now valve plate 11 overturns as for the axial plumbness of valve body 3, continue to drive rotatingshaft 14 to rotate, because being directed to plate 8, limits the axis of guide 6 on mobile plate 4, now mobile plate 4 just can only do translation to the direction near through hole 19 along valve body 3 axis, until contacting with the sealing surface of valve and make it, valve plate 11 compresses to a certain degree, because valve plate 11 sizes can cover in through hole 19, thereby can reach sealing effect.This mode sealing is reliable, effective, and between valve plate 11 and valve body 3 without relative friction, wearing and tearing wait destroy little, the working life of having improved greatly valve.
As shown in Figure 2, be also provided with gusset 18 on guide plate 8, on gusset 18 and guide plate 8, between the right angle side of vertical valve body 3 sealed ends, be provided with opening slot 17, opening slot 17 is strip, and its opening direction is consistent with the opening direction of valve body 3.
On guide plate 8, be provided with the gusset 18 of arcuation, movement locus when this arcuation gusset 18 provides mobile plate 4 and valve plate 11 to rotate, on guide plate 8, be provided with opening slot 17, the direction of opening slot 17 is parallel with the direction of valve body 3 axis, track when this groove provides mobile plate 4 with valve plate 11 translation.
Balance pressure type butterfly valve also comprises cover plate 5, and it is fixedly installed on the side of mobile plate 4 away from guide plate 8, for preventing that movable cam 7 from dropping out in mobile plate groove.
Because movable cam 7 can be always stressed when the balance pressure type butterfly valve seal, if do not have cover plate 5 to be limited in mobile plate groove, in loading process, movable cam 7 is easy to skid off from mobile plate groove is not having a side of guide plate 8, balance pressure type butterfly valve drive mobile plate 4 to drive valve plate 11 to rotate thereby cannot realize by rotatingshaft 14, therefore just cannot complete seal operation.
Balance pressure type butterfly valve also comprises support 10, and support 10 is located in valve body 3, and support 10 one end are fixed on valve body 3, and the other end is fixedly connected with guide plate 8.
Balance pressure type butterfly valve also comprises seal ring 13, and seal ring 13 is fixed on the side of valve plate 11 near through hole 19.
While only having valve plate 11, because valve plate 11 is due to technological reason, and between valve body 3, there is very large roughness, be difficult to realize sealing completely, its sealing effect is unsatisfactory, and on valve plate 11, be installed with after seal ring 13, contact with the sealing surface of valve body 3 by seal ring 13, thereby realized hermetic effect.
Seal ring 13 is bolted on valve plate 11.
Due to the material reason of seal ring 13, seal ring 13 cannot be welded on valve plate 11, and use bolt to connect, effectively fixed seal ring 13, and fixation, be not easy to come off.The means of fixation that it is pointed out that seal ring 13 is not only bolt connecting mode, and it can also be that other can be realized seal ring 13 is fixed on to any mode on valve plate 11.
Balance pressure type butterfly valve also comprises pressing plate 12, and pressing plate 12 is fixedly pressed on seal ring 13.
When bolt connects seal ring 13 with valve plate 11, because the material of seal ring 13 is generally all softer, and in the time of the fixing tension of bolt, easily destroy seal ring 13, lose sealing function or seal ring 13 is fallen down from valve plate 11 thereby seal ring 13 is broken, can not realize with valve plate 11 and rotating.
Balance pressure type butterfly valve also comprises handle 1, and handle 1 is located at outside valve body 3, and handle 1 is fixedly installed on rotatingshaft 14 and is placed in the one end outside valve body 3.
By positioning disk 2, rotatingshaft 14 is fixed on valve body 3, it can only be rotated on valve body 3 and can not carry out displacement.In the time that needs seal, drive rotatingshaft 14 to rotate.But because rotatingshaft 14 is generally circle, and its diameter is less, therefore on stretching out the part of valve body 3, rotatingshaft 14 connects handle 1, and just can drive easily rotatingshaft 14 to rotate by handle 1.
The part that rotatingshaft 14 stretches out valve body 3 is set to square, on handle 1, be provided with one and coordinate with it square hole, just can realize in the time of demand motive rotatingshaft 14, install handle 1 and drive, while needs, pull down handle 1, reduce the space occupancy of balance pressure type butterfly valve.
The utility model balance pressure type butterfly valve, adopted valve plate 11 is overturn after translation be pressed into the mode in pipe, by translation, upset two actions, realize sealing effect, between valve plate 11 and valve body, without relative friction, wearing and tearing etc. destroy little, sealability and the working life of having guaranteed valve.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a balance pressure type butterfly valve, is characterized in that, comprises valve body, guide plate, the axis of guide, valve plate, movable cam, mobile plate and rotatingshaft;
Described valve body is the hollow circular cylinder of an end opening, and its closed end is provided with through hole;
Described guide plate is " L " shape, and parallel with the axis of described valve body, is fixedly installed in described valve body, and a right angle side of described guide plate is parallel with the closed end of described valve body, and its another right angle side extends towards the direction away from described valve body closed end;
Described mobile plate and described guide plate be arranged in parallel, are provided with mobile plate groove on described mobile plate, and described mobile plate groove comprises translot and vertical slot, and one end of described translot is connected with one end of described vertical slot is vertical, and communicates;
Described movable cam is placed in described mobile plate groove, and its two ends are separately positioned in described translot and described vertical slot;
One end of described rotatingshaft through one end and the described guide plate of described movable cam, is rotationally connected with described guide plate successively, and can drive described mobile plate to rotate by described movable cam, and the described rotatingshaft the other end is placed in outside described valve body;
Described movable cam can drive described mobile plate to rotate centered by described rotatingshaft in described mobile plate groove;
The described axis of guide has an external part through described mobile plate, and described external part is placed within the scope of 90 ° that described guide plate " L " shape limits, and described guide plate can limit described mobile plate by described external part and rotate;
Described valve plate is arranged in described valve body, is fixed on described mobile plate, and described valve plate is parallel with the axis of described rotatingshaft, described valve plate can cover in described through hole and not with the sidewall contact of described valve body.
2. balance pressure type butterfly valve according to claim 1, it is characterized in that, on described guide plate, be also provided with gusset, on described gusset and described guide plate, between the right angle side of vertical described valve seal end, be provided with opening slot, described opening slot is strip, and its opening direction is consistent with the opening direction of described valve body.
3. balance pressure type butterfly valve according to claim 2, is characterized in that, also comprises cover plate, and described cover plate is fixedly installed on the side of described mobile plate away from described guide plate, for preventing that described movable cam from dropping out from described mobile plate groove.
4. balance pressure type butterfly valve according to claim 3, is characterized in that, also comprises support, and described is erected in described valve body, and described support one end is fixed on described valve body, and the other end is fixedly connected with described guide plate.
5. balance pressure type butterfly valve according to claim 4, is characterized in that, also comprises seal ring, and described seal ring is fixed on the side of described valve plate near described through hole.
6. balance pressure type butterfly valve according to claim 5, is characterized in that, described seal ring is pressed abd fixed on described valve plate with bolt by pressing plate.
7. balance pressure type butterfly valve according to claim 6, is characterized in that, also comprises pressing plate, and described pressing plate is fixedly pressed on described seal ring.
8. balance pressure type butterfly valve according to claim 7, is characterized in that, also comprises handle, and described handle is located at outside described valve body, and described handle is fixedly installed on described rotatingshaft and is placed in the one end outside described valve body.
9. balance pressure type butterfly valve according to claim 8, is characterized in that, described rotatingshaft stretches out described valve body and is divided into squarely, and described handle is provided with and stretches out described valve body with described rotatingshaft and divide the square hole coordinating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747391.4U CN203594795U (en) | 2013-11-22 | 2013-11-22 | Flat pressing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747391.4U CN203594795U (en) | 2013-11-22 | 2013-11-22 | Flat pressing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594795U true CN203594795U (en) | 2014-05-14 |
Family
ID=50675687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320747391.4U Expired - Fee Related CN203594795U (en) | 2013-11-22 | 2013-11-22 | Flat pressing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065685A (en) * | 2015-06-08 | 2015-11-18 | 江苏华太电力仪表有限公司 | Single-bar zero-friction butterfly valve with guide groove |
-
2013
- 2013-11-22 CN CN201320747391.4U patent/CN203594795U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065685A (en) * | 2015-06-08 | 2015-11-18 | 江苏华太电力仪表有限公司 | Single-bar zero-friction butterfly valve with guide groove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180502 Address after: 621700 Huafeng new village, Jiangyou City, Mianyang, Sichuan Province, No. 9 Patentee after: INSTITUTE OF MATERIALS, CHINA ACADEMY OF ENGINEERING PHYSICS Address before: 621741 De Sheng Nan Road, Jiangyou City, Mianyang, Sichuan Province, No. 87 Patentee before: SICHUAN JUNENG NUCLEAR TECHNOLOGY ENGINEERING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20211122 |