CN219911785U - Double-flange center line butterfly valve - Google Patents
Double-flange center line butterfly valve Download PDFInfo
- Publication number
- CN219911785U CN219911785U CN202320715686.7U CN202320715686U CN219911785U CN 219911785 U CN219911785 U CN 219911785U CN 202320715686 U CN202320715686 U CN 202320715686U CN 219911785 U CN219911785 U CN 219911785U
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- Prior art keywords
- valve plate
- fixedly connected
- sealing strip
- valve
- center line
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- 238000007789 sealing Methods 0.000 claims abstract description 75
- 238000004804 winding Methods 0.000 claims abstract description 11
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a double-flange center line butterfly valve which comprises a main body, wherein a valve rod penetrates through the middle part of the top of the main body and is rotationally connected with the middle part of the inside of the main body, a valve plate is arranged in the middle part of the top of the valve plate, a connecting block penetrates through the main body and is fixedly connected with the lower end of the valve rod, clamping plates are fixedly connected to the left side and the right side of the bottom of the connecting block, the two clamping plates clamp the valve plate, annular sliding grooves are formed in the left side and the right side of the valve plate in a penetrating mode, and a hollow tube is fixedly connected to the middle part of the bottom of a limiting pin in a penetrating mode. According to the utility model, the valve plate is firstly adjusted to a specified angle by rotating the hand wheel, then the plugging block is opened, the wrench matched with the star-shaped groove is inserted into the windowing pipe and drives the valve plate to rotate, and the old sealing strip on the valve plate can be gradually replaced by the new sealing strip on the sealing strip winding roller in the process of rotating the valve plate, so that the sealing element in the main body can be quickly replaced.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a double-flange center line butterfly valve.
Background
The butterfly valve is also called as a flap valve, and is a regulating valve with simple structure, the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is characterized in that a closing member (a valve clack or a butterfly plate) is a disc, the butterfly valve rotates around a valve shaft to achieve the purpose of opening and closing, the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like, the butterfly valve mainly plays the roles of cutting off and throttling on a pipeline, the butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve in the valve body, so that the purpose of opening and closing or regulating is achieved, and two ends of the butterfly valve are generally connected with flanges on the pipeline through two flanges, so that fixation is achieved.
The sealing element is generally arranged in the matched place of the valve in the prior center line butterfly valve, but due to the characteristic of rotary sealing of the valve plate, the sealing element is extruded and rubbed, so that the sealing element is seriously worn, and therefore, the sealing element needs to be replaced regularly, but when the sealing element is replaced, the prior butterfly valve with double flanges generally needs to disassemble a large number of bolts on the flanges, so that the sealing element is inconvenient to replace.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a double-flange center line butterfly valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a two flange central line butterfly valve, includes the main part, main part top middle part runs through and rotates and is connected with the valve rod, the inside middle part of main part is provided with the valve plate, valve plate top middle part is provided with connecting block and runs through the main part and with the lower extreme fixed connection of valve rod, the equal fixedly connected with splint of connecting block bottom left and right sides and two splint clamp the valve plate, the valve plate left and right sides all runs through and is provided with annular spout, two splint left and right sides intermediate position runs through and fixedly connected with restriction round pin, restriction round pin bottom middle part runs through and fixedly connected with hollow tube, hollow tube upper end runs through and rotates and is connected with valve plate mount pad and the bottom of valve plate is corresponding, the hollow tube lower extreme runs through and rotates and is connected with the seal box, the inside left and right sides of seal box all is provided with sealing strip wind-up roll and two sealing strip wind-up roll's axial region all runs through and rotates with the seal box to be connected, main part front side middle part runs through and fixedly connected with window opening pipe.
For further description of the above technical solution:
the flange plates are fixedly connected to the left end and the right end of the main body.
For further description of the above technical solution:
and the upper end of the valve rod is fixedly connected with a hand wheel.
For further description of the above technical solution:
the lower parts of the opposite sides of the clamping plates are respectively penetrated through and fixedly connected with limiting pins, and the two limiting pins respectively correspond to the two annular sliding grooves.
For further description of the above technical solution:
the middle part of the outer wall of the valve plate is provided with a sealing strip, and both ends of the sealing strip penetrate through the valve plate mounting seat, the hollow pipe and the sealing box and are respectively connected with two sealing strip winding rollers.
For further description of the above technical solution:
and a convex edge is fixedly connected with the middle part of the outer wall of the valve plate and matched with the sealing strip.
For further description of the above technical solution:
the front end of the windowing pipe penetrates through and is fixedly connected with a plugging block through a bolt, and the rear end of the plugging block is flush with the inner wall of the main body.
The utility model has the following beneficial effects:
according to the utility model, the valve plate is firstly adjusted to a specified angle by rotating the hand wheel, then the plugging block is opened, the wrench matched with the star-shaped groove is used for inserting the windowing pipe and driving the valve plate to rotate, the old sealing strip on the valve plate can be gradually replaced by the new sealing strip on the sealing strip winding roller in the process of rotating the valve plate, and meanwhile, the old sealing strip on the valve plate can be wound by the other sealing strip winding roller, so that the sealing element in the main body can be quickly replaced without disassembling the flange.
Drawings
FIG. 1 is a schematic view of a dual flange centerline butterfly valve according to the present utility model;
FIG. 2 is a right side view of a dual flange centerline butterfly valve according to the present utility model;
FIG. 3 is an exploded view of a dual flange centerline butterfly valve according to the present utility model;
FIG. 4 is a schematic diagram of a valve plate of a dual flange centerline butterfly valve in accordance with the present utility model;
fig. 5 is a schematic diagram of a sealing strip of a dual-flange centerline butterfly valve according to the present utility model.
Legend description:
1. a valve stem; 2. a connecting block; 3. a clamping plate; 4. a block; 5. a windowing tube; 6. a valve plate; 7. a sealing strip; 8. a valve plate mounting seat; 9. a hollow tube; 10. a sealing strip wind-up roll; 11. a seal box; 12. an annular chute; 13. a main body; 14. a flange plate; 15. a hand wheel; 16. a limiting pin; 17. a rib.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a double flange central line butterfly valve, including main part 13, main part 13 top middle part runs through and rotates and is connected with valve rod 1, inside middle part of main part 13 is provided with valve plate 6, when needs change sealing strip 7 on the valve plate 6, at first through rotatory hand wheel 15 and drive valve rod 1 work, then through the transmission of connecting block 2 and splint 3, make the valve plate 6 in the main part 13 take place rotatoryly, valve plate 6 top middle part is provided with connecting block 2 and connecting block 2 runs through main part 13 and with the lower extreme fixed connection of valve rod 1, the equal fixedly connected with splint 3 in connecting block 2 bottom left and right sides and two splint 3 hold valve plate 6, then with valve plate 6 rotatory appointed angle, make the star groove on the valve plate 6 aim at the port of windowing pipe 5, valve plate 6 left and right sides all run through and are provided with annular chute 12, two splint 3 left and right sides intermediate position run through and fixed connection limiting pin 16, limiting pin 16 bottom middle part runs through and fixedly connected with hollow pipe 9, then through the bolt that loosens fixed sealing block 4 and windowing pipe 5 and take out sealing block 4, the equal fixedly connected with valve plate 8 runs through with valve plate 11 and sealing box 10 and sealing box 11 are connected with the sealing strip 5 to the inside diameter of sealing strip 5 through the corresponding groove of sealing strip of groove 11 in the left and right side and the valve plate 6, seal box 10 and the sealing strip is connected with the sealing strip 11.
The flange plates 14 are fixedly connected to the left end and the right end of the main body 13, then the valve plate 6 rotates under the action of the wrench by rotating the wrench, at the moment, the limiting pin 16 on the clamping plate 3 slides along the annular chute 12 on the valve plate 6, the hand wheel 15 is fixedly connected to the upper end of the valve rod 1, the lower parts of the opposite sides of the clamping plate 3 are penetrated through and fixedly connected with the limiting pins 16, the two limiting pins 16 respectively correspond to the two annular chutes 12, under the action of the rotation of the valve plate 6, the sealing strip 7 on one side can draw out a new sealing strip 7 from one sealing strip winding roller 10 and gradually cooperates with the convex rib 17 on the valve plate 6, the middle part of the outer wall of the valve plate 6 is provided with the sealing strip 7, the two ends of the sealing strip 7 penetrate through the valve plate mounting seat 8, the hollow tube 9 and the sealing box 11 and are respectively connected with the two sealing strip winding rollers 10, when the new sealing strip 7 replaces the old sealing strip 7, the old sealing strip 7 can be stripped from the valve plate 6 and returns to the middle part of the outer wall of the valve plate 6 above the other sealing strip winding roller 10 through the valve plate mounting seat 8 and the hollow tube 9, the convex edge 17 is fixedly connected with the convex edge 17 and matched with the sealing strip 7, the front end of the windowing tube 5 penetrates through and is fixedly connected with the plugging block 4 through a bolt, the rear end of the plugging block 4 is flush with the inner wall of the main body 13, one end of the shaft parts of the two sealing strip winding rollers 10 is fixedly connected with gears (not shown in the figure) and the two gears are meshed with each other, when one sealing strip winding roller 10 releases the new sealing strip 7, the other sealing strip winding roller 10 synchronously winds the old sealing strip 7, the middle part on the right side of the valve plate 6 is provided with a star groove, a linkage rod is fixedly connected to the middle part of the inner bottom of the sealing box 11 and penetrates through a gap between the two sealing strips 7.
Working principle: when the sealing strip 7 on the valve plate 6 needs to be replaced, firstly, the hand wheel 15 is rotated to drive the valve rod 1 to work, then, the valve plate 6 in the main body 13 is rotated through the transmission of the connecting block 2 and the clamping plate 3, then, the valve plate 6 is rotated by a designated angle, the star-shaped groove on the valve plate 6 is aligned with the port of the windowing tube 5, then, the sealing strip 7 is completely replaced by loosening the bolts for fixing the sealing block 4 and the windowing tube 5 and taking out the sealing block 4, then, a spanner matched with the star-shaped groove is inserted into the windowing tube 5 and matched with the star-shaped groove on the valve plate 6, then, the valve plate 6 is rotated under the action of the spanner by rotating the spanner, at this time, the limiting pin 16 on the clamping plate 3 slides along the annular sliding groove 12 on the valve plate 6, and meanwhile, under the action of the rotation of the valve plate 6, the sealing strip 7 on one side is pulled out of the new sealing strip 7 from one rolling roller 10 and gradually matched with the sealing strip 17 on the valve plate 6 until the valve plate 6 rotates a circle, the sealing strip 7 is completely replaced by the old 7, the old 7 is replaced by the new 7, the old 7 is simultaneously replaced by the new 7, the old 7 is stripped from the old sealing strip 7 on the valve plate 6 and the sealing strip 8 is stripped off from the rolling seat 8, and the sealing strip 8 is installed on the hollow seat 8.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A double flange center line butterfly valve comprising a main body (13), characterized in that: the utility model discloses a sealing device for sealing a sealing strip, including main part (13) top middle part runs through and rotates and is connected with valve rod (1), inside middle part of main part (13) is provided with valve plate (6), valve plate (6) top middle part is provided with connecting block (2) and connecting block (2) run through main part (13) and with the lower extreme fixed connection of valve rod (1), equal fixedly connected with splint (3) and two splint (3) in connecting block (2) bottom left and right sides hold valve plate (6), valve plate (6) left and right sides all run through and are provided with annular spout (12), two splint (3) left and right sides intermediate position runs through and fixedly connected with limiting pin (16), limiting pin (16) bottom middle part runs through and fixedly connected with hollow tube (9), hollow tube (9) upper end runs through and rotates and is connected with valve plate mount pad (8) and valve plate (6) bottom is corresponding, hollow tube (9) lower extreme runs through and rotates and is connected with seal box (11), seal box (11) inside left and right sides portion all is provided with roller (10) and two seal strip (10) and runs through seal strip (5) and is connected with seal strip (5) front portion.
2. A dual flange center line butterfly valve according to claim 1, wherein: the left end and the right end of the main body (13) are fixedly connected with flange plates (14).
3. A dual flange center line butterfly valve according to claim 1, wherein: the upper end of the valve rod (1) is fixedly connected with a hand wheel (15).
4. A dual flange center line butterfly valve according to claim 1, wherein: the lower parts of the opposite sides of the clamping plates (3) are penetrated through and fixedly connected with limiting pins (16), and the two limiting pins (16) respectively correspond to the two annular sliding grooves (12).
5. A dual flange center line butterfly valve according to claim 1, wherein: sealing strips (7) are arranged in the middle of the outer wall of the valve plate (6), and two ends of each sealing strip (7) penetrate through the valve plate mounting seat (8), the hollow tube (9) and the sealing box (11) and are respectively connected with two sealing strip winding rollers (10).
6. A dual flange center line butterfly valve according to claim 1, wherein: the middle part of the outer wall of the valve plate (6) is fixedly connected with a convex rib (17), and the convex rib (17) is matched with the sealing strip (7).
7. A dual flange center line butterfly valve according to claim 1, wherein: the front end of the windowing pipe (5) penetrates through and is fixedly connected with a plugging block (4) through bolts, and the rear end of the plugging block (4) is flush with the inner wall of the main body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320715686.7U CN219911785U (en) | 2023-04-04 | 2023-04-04 | Double-flange center line butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320715686.7U CN219911785U (en) | 2023-04-04 | 2023-04-04 | Double-flange center line butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911785U true CN219911785U (en) | 2023-10-27 |
Family
ID=88426996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320715686.7U Active CN219911785U (en) | 2023-04-04 | 2023-04-04 | Double-flange center line butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911785U (en) |
-
2023
- 2023-04-04 CN CN202320715686.7U patent/CN219911785U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |