CN114017510B - Flange type double-eccentric butterfly valve convenient to install - Google Patents
Flange type double-eccentric butterfly valve convenient to install Download PDFInfo
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- CN114017510B CN114017510B CN202111179510.6A CN202111179510A CN114017510B CN 114017510 B CN114017510 B CN 114017510B CN 202111179510 A CN202111179510 A CN 202111179510A CN 114017510 B CN114017510 B CN 114017510B
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- 238000009434 installation Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a flange type double-eccentric butterfly valve convenient to install. The flange type double eccentric butterfly valve convenient to install comprises: a butterfly valve body; the two first annular sliding grooves are respectively formed in two ends of the butterfly valve body; the two extending pipes are respectively and slidably arranged in the two first annular sliding grooves, and one ends of the two extending pipes, which are far away from each other, extend out of the two first annular sliding grooves respectively; the two connecting flanges are respectively and fixedly arranged at one ends of the two extension pipes, which are far away from each other; the two cavities are arranged on the butterfly valve body; the two rotating shafts are respectively and rotatably arranged in the two cavities, and one ends of the two rotating shafts, which are far away from each other, respectively extend out of the two cavities. The flange type double eccentric butterfly valve convenient to install has the advantages of being convenient to use and capable of extending the length of the connecting flange to a certain extent.
Description
Technical Field
The utility model relates to the technical field of double eccentric butterfly valves, in particular to a flange type double eccentric butterfly valve convenient to install.
Background
The flange double eccentric butterfly valve is one kind of conventional valve, and is characterized by that it mainly utilizes the butterfly plate in the interior of valve body to implement opening and closing of valve, and adopts the mode of linking special-shaped hole and special-shaped shaft with upper and lower valve shafts, and can implement the function of pin-free linkage of upper and lower left and right floating butterfly plate in the opening and closing process of butterfly plate, and can reduce interference zone between butterfly plate and valve seat so as to greatly reduce torque, and can implement connection with pipeline by means of flanges on two sides of valve body.
The utility model discloses an adjustable butterfly valve as in chinese patent publication No. CN203730783U, including valve body, the butterfly plate that is located the valve body and the valve rod of connection in the butterfly plate top, the both ends of valve body all are equipped with ring flange, its characterized in that: one side of valve body is equipped with adjustment mechanism, adjustment mechanism includes fixing device and connects the adjusting device at the fixing device other end, fixing device includes fixed pipeline, sets up the fixed flange dish of being connected with the ring flange activity of valve body arbitrary end in fixed pipeline one end, the other end of fixed pipeline is equipped with the flange of perpendicular to fixed pipeline axis around fixed pipeline outer fringe, adjusting device passes through fastening screw adjustable connection on the flange.
However, such an adjustment mechanism is suitable for aligning the conduit of the adjustment mechanism with the conduit to which it is connected, without adjusting the distance between the valve body and the conduit. In the prior art, when the flange type double-eccentric butterfly valve is installed, the distance between two pipelines is not necessarily equal to the length of the flange type double-eccentric butterfly valve, and a certain distance error exists in most cases, at this time, if the distance between the two pipelines is adjusted, the adjustment of the distance between the two pipelines is laborious, especially when the two pipelines are already installed in the preliminary arrangement, the adjustment of the distance between the two pipelines is a time-consuming and labor-consuming project, so that it is necessary to provide a new flange type double-eccentric butterfly valve convenient to install to solve the technical problems.
Disclosure of Invention
The utility model solves the technical problem of providing the flange type double eccentric butterfly valve which is convenient to use and convenient to install and can extend the length of the connecting flange to a certain extent.
In order to solve the technical problems, the flange type double eccentric butterfly valve provided by the utility model is convenient to install, and comprises: a butterfly valve body; the two first annular sliding grooves are respectively formed in two ends of the butterfly valve body; the two extending pipes are respectively and slidably arranged in the two first annular sliding grooves, and one ends of the two extending pipes, which are far away from each other, extend out of the two first annular sliding grooves respectively; the two connecting flanges are respectively and fixedly arranged at one ends of the two extension pipes, which are far away from each other; the two cavities are respectively arranged at the top and the bottom of the butterfly valve body and are respectively in transitional connection with the two first annular sliding grooves; the two rotating shafts are respectively and rotatably arranged in the two cavities, and one ends of the two rotating shafts, which are far away from each other, extend out of the two cavities respectively; the two first bevel gears are respectively and fixedly arranged at one ends of the two rotating shafts, which are close to each other; the two inner threaded pipes are respectively rotatably arranged in the two cavities; the two second conical gears are respectively and fixedly sleeved on the two inner threaded pipes, and the two first conical gears are respectively meshed with the two second conical gears; the four first screws are respectively arranged in the two internally threaded pipes in a threaded mode, and one end of each group of two first screws extends into the two first annular sliding grooves and is fixedly connected with one ends of the two extension pipes; the two second annular sliding grooves are respectively formed in two ends of the butterfly valve body; the two seepage-proofing pipes are respectively and slidably arranged in the two second annular sliding grooves, and one ends of the two seepage-proofing pipes, which are far away from each other, respectively extend out of the two second annular sliding grooves and are respectively and fixedly connected with the two connecting flanges.
Preferably, an annular groove is formed in the inner wall of the second annular chute, a silica gel waterproof ring is fixedly installed in the annular groove, and the outer side of the silica gel waterproof ring extends into the second annular chute and contacts with the inner wall of the impermeable tube.
Preferably, the connecting flange is provided with a plurality of screw holes.
Preferably, the connecting groove is formed in the outer side of the connecting flange, and a water through hole is formed in the inner wall of one side of the connecting groove.
Preferably, two first support frames are fixedly arranged in the cavity, and the internal thread pipe is rotationally connected with the two first support frames.
Compared with the related art, the flange type double-eccentric butterfly valve convenient to install has the following beneficial effects:
the utility model provides a flange type double eccentric butterfly valve convenient to install, which can adjust the extension length of two extension pipes through the matching of a rotating shaft, a first conical gear, an internal thread pipe, a second conical gear and a first screw, so that two connecting flanges on a butterfly valve body can be contacted with two pipeline flanges, the operation of a pipeline is avoided, the double eccentric butterfly valve is more convenient to install, water in the double eccentric butterfly valve can be prevented from being leaked through an impermeable pipe, and the impermeable effect of the impermeable pipe can be further improved through a silica gel waterproof ring.
In order to solve the technical problems, the flange type double eccentric butterfly valve provided by the utility model is convenient to install, and comprises: the butterfly valve is characterized in that two fixing frames are fixedly arranged at the top of the butterfly valve body and connected through a hollow pipe, two extension rods are slidably arranged in the hollow pipe, one ends of the two extension rods, which are far away from each other, extend out of the hollow pipe and are fixedly provided with connecting blocks, frame frames are fixedly arranged at the bottoms of the two connecting blocks, a fixing frame is fixedly arranged at the top of the hollow pipe, two inner thread sleeves are rotatably arranged in the fixing frame, the tops of the two inner thread sleeves extend out of the fixing frame, third conical gears are fixedly sleeved on the two inner thread sleeves, a driving rod is rotatably arranged in the fixing frame, fourth conical gears meshed with the third conical gears are fixedly arranged at two ends of the driving rod, second screw rods are fixedly arranged in the two inner thread sleeves in a threaded manner, the bottoms of the two second screw rods extend out of the two inner thread sleeves respectively, the bottoms of the two second screw rods are connected through connecting bars, and two extrusion blocks are fixedly arranged at the two ends of the bottom of the connecting bars.
Preferably, the bottom of extension rod has seted up the spacing groove, slidable mounting has the stopper in the spacing groove, the bottom of stopper extends to outside the spacing groove and with the bottom inner wall fixed connection of hollow tube.
Preferably, the fixed frame is internally and fixedly provided with a supporting bar, the two internal thread sleeves penetrate through the supporting bar and are rotationally connected with the supporting bar, the top of the supporting bar is fixedly provided with two second supporting frames, and the driving rod is rotationally connected with the two second supporting frames.
Preferably, rubber pads are fixedly arranged at the bottoms of the two frame frames.
Compared with the related art, the flange type double-eccentric butterfly valve convenient to install has the following beneficial effects:
the flange type double-eccentric butterfly valve is convenient to install, the double-eccentric butterfly valve can be erected on two pipelines through the hollow pipe, the extension rod, the connecting block and the frame in a matched mode, so that the double-eccentric butterfly valve can be positioned on a synchronous horizontal line with the two pipelines, the double-eccentric butterfly valve is more convenient to install, and the other internal thread sleeve can synchronously rotate when any one internal thread sleeve rotates through the matching of the third bevel gear, the driving rod and the fourth bevel gear, so that two extrusion blocks can simultaneously limit and fix the two extension rods together.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of a first embodiment of a flange-type double eccentric butterfly valve of the present utility model for easy installation;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is a schematic cross-sectional side view of a first embodiment of a flange-type double eccentric butterfly valve with ease of installation according to the present utility model;
FIG. 4 is a schematic diagram of a second side cross-sectional configuration of a first embodiment of a flange-type double eccentric butterfly valve of the present utility model for ease of installation;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;
FIG. 6 is a schematic diagram of a front cross-sectional structure of a second embodiment of a flange-type double eccentric butterfly valve with ease of installation provided by the utility model;
FIG. 7 is an enlarged schematic view of the portion C in FIG. 6;
fig. 8 is a schematic side view of a second embodiment of a flange type double eccentric butterfly valve with convenient installation.
Reference numerals in the drawings: 1. a butterfly valve body; 2. the first annular chute; 3. an extension tube; 4. a connecting flange; 5. a cavity; 6. a rotating shaft; 7. a first bevel gear; 8. an internally threaded tube; 9. a second bevel gear; 10. a first screw; 11. the second annular chute; 12. an impermeable tube; 13. screw holes; 14. a connection groove; 15. a water through hole; 16. a fixing frame; 17. a hollow tube; 18. an extension rod; 19. a connecting block; 20. a frame; 21. a fixed frame; 22. an internally threaded sleeve; 23. a third bevel gear; 24. a driving rod; 25. a fourth bevel gear; 26. a second screw; 27. a connecting strip; 28. extruding a block; 29. and (5) perforating.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1 to 5 in combination, in a first embodiment of the present utility model, a flange type double eccentric butterfly valve with convenient installation includes: the butterfly valve body 1, the outer wall of the butterfly valve body 1 is thicker than a common double eccentric butterfly valve, which enables more structures to be deployed in the outer wall of the butterfly valve body 1; the two first annular sliding grooves 2 are respectively formed in two ends of the butterfly valve body 1, the two first annular sliding grooves 2 have a certain depth, the depth extends from the end face of the valve body to the center of the valve body in the radial direction of the valve body, the two first annular sliding grooves 2 are connected with the cavity 5 through a slide Kong Guodu, and the first screw 10 can extend from the cavity 5 to the first annular sliding grooves 2 to be connected with the extension pipe 3; the two extension pipes 3 are respectively and slidably arranged in the two first annular sliding grooves 2, one ends, away from each other, of the two extension pipes 3 extend out of the two first annular sliding grooves 2 respectively, the extension pipes 3 can extend the distance of the connecting flange 4, the connecting flange 4 can extend outwards of the valve body through adjusting the first screw 10, and then the connecting flange can be connected with a pipeline flange with a spacing error; the two connecting flanges 4 are respectively fixedly arranged at one ends of the two extension pipes 3 far away from each other; the two cavities 5 are respectively arranged at the top and the bottom of the butterfly valve body 1 and are respectively in transitional connection with the two first annular sliding grooves; the two rotating shafts 6 are respectively and rotatably arranged in the two cavities 5, one ends of the two rotating shafts 6, which are far away from each other, extend out of the two cavities 5 respectively, torsion wheels are arranged on the rotating shafts 6, and the rotating shafts 6 can be more conveniently rotated through the torsion wheels; two first bevel gears 7, wherein the two first bevel gears 7 are fixedly arranged at one ends of the two rotating shafts 6, which are close to each other, respectively; the two inner threaded pipes 8 are respectively and rotatably arranged in the two cavities 5, and the two sides of the threads on the inner wall of the inner threaded pipe 8 are opposite, so that the first screw rods 10 with opposite threads can be mutually close to or far away from each other when the inner threaded pipe 8 rotates; the two second bevel gears 9 are respectively and fixedly sleeved on the two inner threaded pipes 8, and the two first bevel gears 7 are respectively meshed with the two second bevel gears 9; the four first screws 10 are arranged in the two internally threaded pipes 8 in a threaded manner in a pair-by-pair manner, and one end of each group of two first screws 10 extends into the two first annular sliding grooves 2 and is fixedly connected with one ends of the two extension pipes 3; the two second annular sliding grooves 11 are respectively formed in two ends of the butterfly valve body 1; the two seepage-proofing pipes 12, the two seepage-proofing pipes 12 are respectively and slidably installed in the two second annular sliding grooves 11, one ends of the two seepage-proofing pipes 12, which are far away from each other, extend to the outside of the two second annular sliding grooves 11 respectively and are fixedly connected with the two connecting flanges 4, and the seepage-proofing pipes 12 can improve the tightness of the butterfly valve body 1 and prevent the situation of water seepage of the butterfly valve body 1.
Preferably, an annular groove is formed in the inner wall of the second annular chute 11, a silica gel waterproof ring is fixedly installed in the annular groove, the outer side of the silica gel waterproof ring extends into the second annular chute 11 and contacts with the inner wall of the impermeable tube 12, and the silica gel waterproof ring is made of silica gel and has the good characteristics of wide temperature application, sealing performance, insulativity, dielectric property, environmental protection and the like, is high and low temperature resistant, is less interfered by external environment and is the most ideal waterproof accessory.
Preferably, the connecting flange 4 is provided with a plurality of screw holes 13, and the screw holes 13 enable the connecting flange 4 to be connected together through screws and pipelines.
Preferably, the connection groove 14 is formed in one side of the connection flange 4, the water through hole 15 is formed in the inner wall of one side of the connection groove 14, the silica gel ring is stuck on the connection groove 14, the tightness between the connection flange 4 and the pipeline can be improved, and the connection groove 14 is structured so that the pipeline is connected with the connection flange 4, and water leakage can be prevented better.
Preferably, two first support frames are fixedly installed in the cavity 5, the internal thread pipe 8 is rotationally connected with the two first support frames, and the two first support frames can support the internal thread pipe 8, so that the internal thread pipe 8 can be stably installed in the cavity 5.
The working principle of the flange type double eccentric butterfly valve convenient to install provided by the utility model is as follows:
when needs are installed butterfly valve body 1, place butterfly valve body 1 between two pipelines earlier, at this moment, if flange on two pipelines still has the interval in flange 4 on butterfly valve body 1, rotate two axis of rotation 6, axis of rotation 6 drives second bevel gear 9 through first bevel gear 7 and rotates, second bevel gear 9 drives internal thread pipe 8 and rotates, under the effect of screw thread, internal thread pipe 8 drives two first screw rods 10 and removes for two first screw rods 10 keep away from each other, at this moment, four first screw rods 10 drive two extension pipes 3 keep away from each other, two extension pipes 3 drive two flange 4 keep away from each other, until two flange 4 contact with flange on two pipelines, simultaneously, the prevention of seepage pipe 12 in the second annular spout 11 also can follow flange 4 synchronous motion, at this moment, in the linking groove 14 on the flange of pipeline, afterwards, accessible screw carries out fixed connection with flange 4 and pipeline flange, thereby the installation work to double eccentric center, make two eccentric butterfly valve's eccentric connection can still be carried out for the butterfly valve under the condition that two eccentric butterfly valve with two pipelines are not matched, thereby the installation is more convenient.
Compared with the related art, the flange type double-eccentric butterfly valve convenient to install has the following beneficial effects:
the utility model provides a flange type double eccentric butterfly valve convenient to install, which can adjust the extension length of two extension pipes 3 through the matching of a rotating shaft 6, a first conical gear 7, an internal thread pipe 8, a second conical gear 9 and a first screw rod 10, so that two connecting flanges 4 on a butterfly valve body 1 can be contacted with two pipeline flanges, the operation of pipelines is avoided, the double eccentric butterfly valve is more convenient to install, water in the double eccentric butterfly valve can be prevented from being leaked through an impermeable pipe 12, and the impermeable effect of the impermeable pipe 12 can be further improved by a silica gel waterproof ring.
Second embodiment:
based on the flange type double eccentric butterfly valve convenient to install provided by the first embodiment of the application, the second embodiment of the application provides another flange type double eccentric butterfly valve convenient to install, the second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the independent implementation of the first embodiment.
A second embodiment of the present utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 5 to 8 in combination, in a second embodiment of the present utility model, a flange type double eccentric butterfly valve with convenient installation includes: the two fixing frames 16, the two fixing frames 16 are fixedly arranged at the top of the butterfly valve body 1, the same hollow tube 17 is fixedly arranged on the two fixing frames 16, the hollow tube 17 and the extension rod 18 are matched to adjust the extension distance of the frame 20, so that the frame 20 can be erected on a pipeline, the two extension rods 18 are slidably arranged in the hollow tube 17, one ends of the two extension rods 18, which are far away from each other, extend out of the hollow tube 17 and are fixedly provided with connecting blocks 19, the bottoms of the two connecting blocks 19 are fixedly provided with the frame 20, the frame 20 is arc-shaped and is more attached to the pipeline when being erected on the pipeline, the same fixing frame 21 is fixedly arranged at the top of the two fixing frames 16, the two internal thread sleeves 22 are rotatably arranged in the fixing frame 21, the twisting wheels are arranged on the two internal thread sleeves 22, the twisting wheels can rotate the internal thread sleeves 22 more conveniently in a labor-saving manner through the twisting wheels, the top ends of the two internal thread sleeves 22 extend out of the fixed frame 21, a third bevel gear 23 is fixedly sleeved on the two internal thread sleeves 22, a driving rod 24 is rotatably arranged in the fixed frame 21, the third bevel gear 23, the driving rod 24 and a fourth bevel gear 25 are matched, the two internal thread sleeves 22 can synchronously rotate, when any internal thread sleeve 22 rotates, the other internal thread sleeve 22 also rotates together, the two extension rods 18 can be fixedly limited at the same time, a fourth bevel gear 25 is fixedly arranged at both ends of the driving rod 24, a second screw rod 26 is arranged in the two internal thread sleeves 22 in a threaded manner, the bottom ends of the two second screw rods 26 extend out of the two internal thread sleeves 22 respectively, the bottom ends of the two second screw rods 26 are fixedly provided with the same connecting strip 27, two extrusion blocks 28 are fixedly arranged at the bottom of the connecting strip 27, two through holes 29 are formed in the inner wall of the top of the hollow tube 17, and the two extrusion blocks 28 are respectively matched with the two through holes 29.
Preferably, a limit groove is formed in the bottom of the extension rod 18, a limit block is slidably mounted in the limit groove, the bottom of the limit block extends out of the limit groove and is fixedly connected with the inner wall of the bottom of the hollow tube 17, and the limit groove and the limit block are matched to limit the expansion range of the extension rod 18, so that the extension rod 18 is prevented from being separated from the hollow tube 17.
Preferably, the fixing frame 21 is fixedly provided with a supporting bar, the two internal thread sleeves 22 penetrate through the supporting bar and are rotationally connected with the supporting bar, the supporting bar can enable the two internal thread sleeves 22 to be more stable, the top of the supporting bar is fixedly provided with two second supporting frames, the driving rod 24 is rotationally connected with the two second supporting frames, and the second supporting frames can support the driving rod 24.
Preferably, rubber pads are fixedly installed at the bottoms of the two frame frames 20, and the rubber pads can improve friction between the frame frames 20 and the pipeline, so that the frame frames 20 erected on the pipeline are more stable.
The working principle of the flange type double eccentric butterfly valve convenient to install provided by the utility model is as follows:
when two pipelines are in a suspended state, the double eccentric butterfly valve and the two pipelines are required to be supported at the same height, at this time, the two extension rods 18 are pulled out from the hollow pipe 17 until the two frame frames 20 can be erected on the two pipelines at the two ends of the valve body, then any one of the internally threaded sleeves 22 is rotated, at the same time, the corresponding internally threaded sleeve 22 drives the corresponding fourth conical gear 25 to rotate through the corresponding third conical gear 23, the two internally threaded sleeves 22 synchronously rotate under the drive of the driving rod 24, the two internally threaded sleeves 22 drive the two second screws 26 to descend under the action of threads, and the two second screws 26 drive the two extrusion blocks 28 to descend through the connecting strip 27 until the extrusion blocks 28 enter the hollow pipe 17 through the perforations 29 and extrude the extension rods 18, so that the two extension rods 18 are simultaneously limited, and then the two frame frames 20 are erected on the two pipelines respectively, so that the two butterfly valve body 1 can be automatically parallel to the two ends of the two pipelines, and the double eccentric butterfly valve is more convenient to install.
Compared with the related art, the flange type double-eccentric butterfly valve convenient to install has the following beneficial effects:
the flange type double-eccentric butterfly valve is convenient to install, the double-eccentric butterfly valve can be erected on two pipelines through the hollow pipe 17, the extension rod 18, the connecting block 19 and the frame 20, so that the double-eccentric butterfly valve can be positioned on a synchronous horizontal line with the two pipelines, the double-eccentric butterfly valve is more convenient to install, and the other internal thread sleeve 22 can synchronously rotate when any one internal thread sleeve 22 rotates through the matching of the third bevel gear 23, the driving rod 24 and the fourth bevel gear 25, so that two extrusion blocks 28 can simultaneously limit and fix the two extension rods 18 together.
The device structure and drawings of the present utility model mainly describe the principle of the present utility model, and the arrangement of the power mechanism and control system of the device is not completely described in the technical field of the design principle, but the specific power mechanism and control system thereof can be clearly known by those skilled in the art on the premise of understanding the principle of the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a flange formula double eccentric butterfly valve convenient to install which characterized in that includes:
a butterfly valve body (1);
the two first annular sliding grooves (2) are respectively formed in two ends of the butterfly valve body;
the two extension pipes (3) are respectively and slidably arranged in the two first annular sliding grooves, and one ends of the two extension pipes, which are far away from each other, respectively extend out of the two first annular sliding grooves;
the two connecting flanges (4) are respectively fixedly arranged at one ends of the two extension pipes, which are far away from each other;
the two cavities (5) are respectively arranged at the top and the bottom of the butterfly valve body and are respectively in transitional connection with the two first annular sliding grooves;
the two rotating shafts (6) are respectively rotatably arranged in the two cavities, and one ends of the two rotating shafts, which are far away from each other, extend out of the two cavities respectively;
the two first bevel gears (7) are fixedly arranged at one ends of the two rotating shafts, which are close to each other, respectively;
two internally threaded pipes (8) which are respectively and rotatably arranged in the two cavities;
the two second bevel gears (9) are respectively and fixedly sleeved on the two inner threaded pipes, and the two first bevel gears are respectively meshed with the two second bevel gears;
the four first screws (10) are respectively arranged in the two internally threaded pipes in a threaded mode, and one end of each group of two first screws extends into the two first annular sliding grooves and is fixedly connected with one end of the two extension pipes;
the two second annular sliding grooves (11) are respectively formed in two ends of the butterfly valve body;
the two seepage-proofing pipes (12) are respectively and slidably arranged in the two second annular sliding grooves, and one ends of the two seepage-proofing pipes, which are far away from each other, extend out of the two second annular sliding grooves respectively and are fixedly connected with the two connecting flanges respectively;
the butterfly valve is characterized in that two fixing frames (16) are fixedly arranged at the top of the butterfly valve body, the two fixing frames are connected through a hollow pipe (17), two extension rods (18) are slidably arranged in the hollow pipe, one ends of the two extension rods, which are far away from each other, extend out of the hollow pipe and are fixedly provided with connecting blocks (19), a frame (20) is fixedly arranged at the bottoms of the two connecting blocks, a fixing frame (21) is fixedly arranged at the top of the hollow pipe, two inner thread sleeves (22) are rotatably arranged in the fixing frame, the top ends of the two inner thread sleeves are fixedly sleeved with third conical gears (23), a driving rod (24) is fixedly arranged in the fixing frame, two ends of the driving rod are fixedly provided with fourth conical gears (25) meshed with the third conical gears, second screws (26) are fixedly arranged in the two inner thread sleeves, the bottom ends of the two second screws extend out of the two inner thread sleeves respectively, the bottom ends of the two second screws are connected through connecting strips (27), and two extrusion blocks (28) are fixedly arranged at the bottoms of the two inner wall of the connecting strips, and two extrusion blocks are respectively provided with two extrusion blocks, and two extrusion blocks are fixedly arranged on the two extrusion blocks and the two extrusion blocks are respectively arranged on the two extrusion blocks.
2. The flange type double eccentric butterfly valve with convenient installation according to claim 1, wherein an annular groove is formed in the inner wall of the second annular chute, a silica gel waterproof ring is fixedly installed in the annular groove, and the outer side of the silica gel waterproof ring extends into the second annular chute and contacts with the inner wall of the seepage-proof pipe.
3. The flange-type double eccentric butterfly valve with convenient installation according to claim 1, wherein the connecting flange is provided with a plurality of screw holes (13).
4. The flange type double eccentric butterfly valve with convenient installation according to claim 1, wherein the outer side of the connecting flange is provided with a connecting groove (14), and the inner wall of one side of the connecting groove is provided with a water through hole (15).
5. The flange type double eccentric butterfly valve with convenient installation according to claim 1, wherein two first supporting frames are fixedly installed in the cavity, and the internal thread pipe is rotationally connected with the two first supporting frames.
6. The flange type double eccentric butterfly valve with convenient installation according to claim 1, wherein a limiting groove is formed in the bottom of the extension rod, a limiting block is slidably installed in the limiting groove, and the bottom of the limiting block extends out of the limiting groove and is fixedly connected with the inner wall of the bottom of the hollow pipe.
7. The flange type double eccentric butterfly valve with convenient installation according to claim 1, wherein a supporting bar is fixedly installed in the fixed frame, two internal thread sleeves penetrate through the supporting bar and are rotationally connected with the supporting bar, two second supporting frames are fixedly installed at the top of the supporting bar, and the driving rod is rotationally connected with the two second supporting frames.
8. The flange-type double eccentric butterfly valve with convenient installation according to claim 1, wherein rubber pads are fixedly installed at the bottoms of the two frame bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111179510.6A CN114017510B (en) | 2021-10-11 | 2021-10-11 | Flange type double-eccentric butterfly valve convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111179510.6A CN114017510B (en) | 2021-10-11 | 2021-10-11 | Flange type double-eccentric butterfly valve convenient to install |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114017510A CN114017510A (en) | 2022-02-08 |
| CN114017510B true CN114017510B (en) | 2023-07-14 |
Family
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Family Applications (1)
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| CN202111179510.6A Active CN114017510B (en) | 2021-10-11 | 2021-10-11 | Flange type double-eccentric butterfly valve convenient to install |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1222680A (en) * | 1959-01-20 | 1960-06-13 | Valve operating device | |
| KR20160126369A (en) * | 2015-04-23 | 2016-11-02 | (주)티오피 | Sided retractable butterfly valve |
| CN206268465U (en) * | 2016-12-21 | 2017-06-20 | 乌鲁木齐市康和塑业有限公司 | Plastic butterfly valve |
| CN207406776U (en) * | 2017-11-14 | 2018-05-25 | 浙江海洋大学 | A kind of pipeline of current limliting removal of impurities |
| CN108386552A (en) * | 2018-05-03 | 2018-08-10 | 江苏通达船用阀泵有限公司 | Double eccentric flange Worm type extension shaft Hand-operated butterfly valves peculiar to vessel |
| CN211820771U (en) * | 2019-12-27 | 2020-10-30 | 上海东方威尔阀门有限公司 | Flange butterfly valve |
| CN213479316U (en) * | 2020-10-31 | 2021-06-18 | 天津西博思流体设备有限公司 | Connecting bracket of pneumatic butterfly valve |
-
2021
- 2021-10-11 CN CN202111179510.6A patent/CN114017510B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1222680A (en) * | 1959-01-20 | 1960-06-13 | Valve operating device | |
| KR20160126369A (en) * | 2015-04-23 | 2016-11-02 | (주)티오피 | Sided retractable butterfly valve |
| CN206268465U (en) * | 2016-12-21 | 2017-06-20 | 乌鲁木齐市康和塑业有限公司 | Plastic butterfly valve |
| CN207406776U (en) * | 2017-11-14 | 2018-05-25 | 浙江海洋大学 | A kind of pipeline of current limliting removal of impurities |
| CN108386552A (en) * | 2018-05-03 | 2018-08-10 | 江苏通达船用阀泵有限公司 | Double eccentric flange Worm type extension shaft Hand-operated butterfly valves peculiar to vessel |
| CN211820771U (en) * | 2019-12-27 | 2020-10-30 | 上海东方威尔阀门有限公司 | Flange butterfly valve |
| CN213479316U (en) * | 2020-10-31 | 2021-06-18 | 天津西博思流体设备有限公司 | Connecting bracket of pneumatic butterfly valve |
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| Publication number | Publication date |
|---|---|
| CN114017510A (en) | 2022-02-08 |
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Denomination of invention: A flange type double eccentric butterfly valve with convenient installation Effective date of registration: 20231024 Granted publication date: 20230714 Pledgee: Hefei Science and Technology Rural Commercial Bank Co.,Ltd. Tongling sub branch Pledgor: TONGLING TIANHAI FLOW CONTROL Co.,Ltd. Registration number: Y2023980062359 |