CN102425676B - Butterfly valve - Google Patents
Butterfly valve Download PDFInfo
- Publication number
- CN102425676B CN102425676B CN201110429126.7A CN201110429126A CN102425676B CN 102425676 B CN102425676 B CN 102425676B CN 201110429126 A CN201110429126 A CN 201110429126A CN 102425676 B CN102425676 B CN 102425676B
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- valve
- valve rod
- valve body
- clip
- butterfly
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Abstract
The invention discloses a butterfly valve, which comprises a valve body, a butterfly plate and a valve rod, wherein the butterfly plate is fixedly connected with the valve rod; the valve rod is rotatably penetrated into a shaft hole in the valve body; one end of the valve rod is connected with a control component for controlling the rotation of the valve rod; a passage of the valve body comprises a feed passage and a discharge passage; the discharge passage is provided with a reducing part; the radial size of the reducing part is gradually reduced in a discharge direction; and the butterfly plate can extend into the reducing part when being opened. The butterfly valve is convenient for connecting two ports of different apertures, and is not blocked easily during powder conveying.
Description
Technical field
The present invention relates generally to valve field, refers in particular to a kind of butterfly valve.
Background technique
The aseptic subpackaged machine of antibiotic bottle need to be connected Raw material pail in the time of charging with feedworks, due to structural limitations, the interface caliber of Raw material pail and feedworks differs greatly, so need to arrange reducing connection set between the two.In prior art, reducing connection set generally adopts the composite structure of the consistent sanitation-grade pipeline of two ends port size butterfly valve and reducer union.When installation, Raw material pail is connected with the upper end of butterfly valve, the lower end of butterfly valve is connected with the bigger diameter end of reducer union, and the miner diameter end of reducer union is connected with feedworks.Because the raw material in Raw material pail is powder, in the time that powder enters reducer union from butterfly valve, powder miner diameter end toward reducer union under self gravitation effect overstocks, overstock when too much, powder can be owing to mutually compressing, thereby be blocked in path port no longer toward falling, cause can adding without material in feedworks.Moreover sanitation-grade pipeline butterfly valve is to design by the requirement of fluid transport, because withstand voltage needs are very tight by what coordinate between Sealing, be difficult for switch; And sanitation-grade pipeline butterfly valve structure complexity, is not easy to dismounting, easily deposits and clean dead angle.
Summary of the invention
The technical problem to be solved in the present invention is: the technical problem existing for prior art, provides a kind of and be convenient to connect two interfaces of different bores and not susceptible to plugging butterfly valve in the time of transmission powder.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of butterfly valve, comprise valve body, butterfly plate and valve rod, described butterfly plate is fixedly connected with valve rod, described valve rod is arranged in the axis hole on valve body rotationally, one end of described valve rod is connected with the control unit rotating for controlling valve rod, and the passage of described valve body comprises feeding-passage and tapping channel, and described tapping channel is provided with reducing portion, the radial dimension of described reducing portion reduces gradually along discharging direction, and described butterfly plate can extend in described reducing portion in the time opening.
As a further improvement on the present invention:
Described reducing portion is tapered.
Described valve body comprises the upper valve body with feeding-passage and the lower valve body with tapping channel, described upper valve body and lower valve body lock seaming.
Described upper valve body and lower valve body are by the first clip and the second clip lock seaming, described upper valve body and lower valve body are equipped with annular protrusion at both junction points, described the first clip and the second clip all offer the annular groove mating with annular protrusion and are sheathed on annular protrusion, one end of one end of described the first clip and the second clip is hinged, and the other end of the other end of described the first clip and the second clip is locked by latch assembly.
Described latch assembly comprises locking screw and locking swivel nut, one end of described locking screw is rotationally connected by the end of bearing pin and the first clip, and the other end of described locking screw is placed in the containing groove of the end of the second clip offering and overlaps fastening by locking screw.
Described control unit comprises stop collar, lock sleeve and end cap, on described stop collar, offer the through hole that can make valve rod pass, described end cap is connected to the end of valve rod, described lock sleeve is sheathed on valve rod and can only moves axially along valve rod, described lock sleeve is between stop collar and end cap, on described valve rod, be arranged with Compress Spring, described Compress Spring is between lock sleeve and end cap, on one end end face of described stop collar near lock sleeve, along the circumferential direction offer plural teeth groove, described lock sleeve is provided with the lobe that equal number can coordinate with teeth groove location.
Between described end cap and valve rod for being threaded.
Described lock sleeve is located on valve rod by the inner hole sleeve of offering on it, and the hole wall of described endoporus has spacing plane, and described valve rod is provided with the plane of orientation coordinating with described spacing plane.
On the outer wall of described lock sleeve, along the circumferential direction offer a circle arcuation groove.
Compared with prior art, the invention has the advantages that:
1, butterfly valve of the present invention is provided with reducing portion at the tapping channel of valve body, makes butterfly valve can be used for connecting two interfaces of different bores; And butterfly plate can extend in reducing portion in the time opening, when transmission powder, if powder overstocks in reducing portion, only need the control unit of operation butterfly valve that butterfly plate is rotated repeatedly, overstocked powder can be broken up to dredging valve channel.
2, the upper valve body in the present invention is that clamp band type is connected with lower valve body, and the stop collar in control unit, lock sleeve and spring are all sheathed on valve rod in addition, and end cap is connected with threaded stem, make butterfly valve of the present invention easy to loading and unloading, be convenient to clean.
3, the control unit in the present invention simple in structure, can self-locking, and easy to operate, while being convenient to transmit powder, at any time valve channel is dredged.
Brief description of the drawings
Fig. 1 is perspective view of the present invention.
Fig. 2 is main TV structure schematic diagram of the present invention.
Fig. 3 is plan structure schematic diagram of the present invention.
Fig. 4 is the composite structure schematic diagram of butterfly plate and valve rod in the present invention.
Fig. 5 is the composite structure schematic diagram of the first clip and stop collar in the present invention.
Fig. 6 is the structural representation of lock sleeve in the present invention.
Marginal data: 1, upper valve body; 2, butterfly plate; 3, the second clip; 31, containing groove; 4, sealing gasket; 5, lower valve body; 6, the first clip; 7, lock sleeve; 71, lobe; 72, spacing plane; 73, endoporus; 8, Compress Spring; 9, end cap; 10, bearing pin; 11, locking screw; 12, locking swivel nut; 13, arcuation groove; 14, valve rod; 141, plane of orientation; 15, annular protrusion; 16, annular groove; 17, stop collar; 171, through hole; 172, teeth groove; 18, reducing portion.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, butterfly valve of the present invention, comprises valve body, butterfly plate 2 and valve rod 14, and valve rod 14 can be made into different in size two sections, is separately fixed at the two ends of butterfly plate 2.The major axis section of valve rod 14 and minor axis Duan Jun are arranged in the axis hole on valve body rotationally, and between valve rod 14 and axis hole, be provided with sealing gasket 4, in the major axis section of valve rod 14, be connected with the control unit rotating for controlling valve rod 14, to drive butterfly plate 2 to rotate, realize the opening and closing of passage in the passage of valve body.The passage of valve body comprises feeding-passage and tapping channel, tapping channel is provided with reducing portion 18, the radial dimension of reducing portion 18 reduces gradually along discharging direction, makes the material feeding mouth of butterfly valve different with discharge port diameter, so that connection interface two parts that cause not of uniform size.Reducing portion 18 in the present embodiment is tapered.Butterfly plate 2 can extend in reducing portion 18 in the time opening, and in the time of transmission powder, if powder overstocks in reducing portion 18, only needs the control unit of operation butterfly valve that butterfly plate 2 is rotated repeatedly, overstocked powder can be broken up to dredging valve channel.
In the present embodiment, valve body comprises the upper valve body 1 with feeding-passage and the lower valve body 5 with tapping channel, upper valve body 1 and lower valve body 5 lock seaming.Upper valve body 1 and lower valve body 5 are provided with semi-circular hole in both equal correspondences of junction point, the axis hole of two semi-circular hole composition valve bodies.
In the present embodiment, upper valve body 1 passes through the first clip 6 and the second clip 3 lock seaming with lower valve body 5, upper valve body 1 and lower valve body 5 are equipped with annular protrusion 15, the first clips 6 and the second clip 3 all offers the annular groove 16 mating with annular protrusion 15 and is sheathed on annular protrusion 15 at both junction points.One end of one end of the first clip 6 and the second clip 3 is hinged, and the other end of the other end of the first clip 6 and the second clip 3 is locked by latch assembly.
In the present embodiment, latch assembly comprises locking screw 11 and locking swivel nut 12, one end of locking screw 11 is rotationally connected by the end of bearing pin 10 and the first clip 6, and the other end of locking screw 11 is placed in the containing groove 31 the end of the second clip 3 offered fastening by locking swivel nut 12.
In the present embodiment, control unit comprises stop collar 17, lock sleeve 7 and end cap 9.One end of stop collar 17 is fixed on the first clip 6, and the position of stop collar 17 and the corresponding valve body axis hole of the first clip 6 offers and can make through hole 171(that valve rod 14 passes referring to Fig. 5).End cap 9 is fixedly connected on the end of valve rod 14, and lock sleeve 7 is sheathed on valve rod 14 and can only moves axially along valve rod 14, and lock sleeve 7 is between stop collar 17 and end cap 9.On valve rod 14, be also arranged with Compress Spring 8, offer spring fitting groove on lock sleeve 7, Compress Spring 8 is placed in spring fitting groove and between spring fitting groove bottom land and end cap 9.Stop collar 17 is near along the circumferential direction offering plural teeth groove 172 on the end face of one end of lock sleeve 7, and lock sleeve 7 end faces relative with stop collar 17 are provided with the lobe 71 that equal number can coordinate with teeth groove 172 location.
In the time that needs are opened or are closed the unlatching amplitude of butterfly valve or regulating butterfly valve, give 7 one active forces of lock sleeve, allow lock sleeve 7 move axially, lobe 71 on lock sleeve 7 is separated with the teeth groove 172 on stop collar 17, then rotation lock cover 7 drives butterfly plate 2 to rotate, treat that butterfly plate 2 rotates to desired location, unload again the power acting on lock sleeve 7, lock sleeve 7 drives the lobe 71 on it again to coordinate location with the teeth groove 172 on stop collar 17 under the active force of Compress Spring 8, and reaches the effect of self-locking.In the time using this butterfly valve transmission powder, if powder occurs stopping up in reducing portion 18, can carry out same step lock sleeve 7 is separated with stop collar 17, then rotation lock cover 7, to drive butterfly plate 2 to shake, is broken up overstocked powder repeatedly, thus dredging valve channel.
In the present embodiment, between end cap 9 and valve rod 14 for being threaded so that handling; In addition stop collar 17, lock sleeve 7 and Compress Spring 8 are all sheathed on valve rod 14, make the control unit of this butterfly valve be easy to remove and install, be also convenient to clean.
In the present embodiment, as shown in Figure 6, lock sleeve 7 is sheathed on valve rod 14 by the endoporus 73 of offering on it, for making lock sleeve 7 move axially and can not rotate relative to valve rod 14 along valve rod 14, endoporus 73 hole walls at lock sleeve 7 are provided with spacing plane 72, are provided with the plane of orientation 141(coordinating with spacing plane 72 referring to Fig. 4 on valve rod 14).
In the present embodiment, on the outer wall of lock sleeve 7, along the circumferential direction offer a circle arcuation groove 13, so that hand-held, convenient laborsaving while making manually-operable.
Below be only the preferred embodiment of the present invention, protection scope of the present invention is also not only confined to above-described embodiment, and all technological schemes belonging under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (9)
1. a butterfly valve, comprise the valve body for transmitting powder, butterfly plate (2) and valve rod (14), described butterfly plate (2) is fixedly connected with valve rod (14), described valve rod (14) is arranged in the axis hole on valve body rotationally, one end of described valve rod (14) is connected with the control unit rotating for controlling valve rod (14), it is characterized in that: the passage of described valve body comprises feeding-passage and tapping channel, described feeding-passage and tapping channel are vertically arranged up and down, described tapping channel is provided with reducing portion (18), the radial dimension of described reducing portion (18) reduces gradually along discharging direction, the material feeding mouth of described feeding-passage is different from the discharge port diameter of tapping channel, described butterfly plate can extend in described reducing portion (18) in the time opening, make butterfly plate (2) repeatedly rotate the powder overstocking in reducing portion (18) is broken up by operation control unit, dredging valve channel.
2. butterfly valve according to claim 1, is characterized in that: described reducing portion (18) is tapered.
3. butterfly valve according to claim 1 and 2, is characterized in that: described valve body comprises the upper valve body (1) with feeding-passage and the lower valve body (5) with tapping channel, described upper valve body (1) and lower valve body (5) lock seaming.
4. butterfly valve according to claim 3, it is characterized in that: described upper valve body (1) passes through the first clip (6) and the second clip (3) lock seaming with lower valve body (5), described upper valve body (1) and lower valve body (5) are equipped with annular protrusion (15) at both junction points, described the first clip (6) and the second clip (3) all offer the annular groove (16) mating with annular protrusion (15) and are sheathed on annular protrusion (15), one end of one end of described the first clip (6) and the second clip (3) is hinged, the other end of the other end of described the first clip (6) and the second clip (3) is locked by latch assembly.
5. butterfly valve according to claim 4, it is characterized in that: described latch assembly comprises locking screw (11) and locking swivel nut (12), one end of described locking screw (11) is rotationally connected by the end of bearing pin (10) and the first clip (6), and the other end of described locking screw (11) is placed in the containing groove (31) the end of the second clip (3) offered fastening by locking swivel nut (12).
6. according to the butterfly valve described in claim 4 or 5, it is characterized in that: described control unit comprises stop collar (17), lock sleeve (7) and end cap (9), on described stop collar (17), offer the through hole (171) that can make valve rod (14) pass, described end cap (9) is connected to the end of valve rod (14), described lock sleeve (7) is sheathed on valve rod (14) above and can only moves axially along valve rod (14), described lock sleeve (7) is positioned between stop collar (17) and end cap (9), on described valve rod (14), be arranged with Compress Spring (8), described Compress Spring (8) is positioned between lock sleeve (7) and end cap (9), described stop collar (17) along the circumferential direction offers plural teeth groove (172) near on one end end face of lock sleeve (7), described lock sleeve (7) is provided with the lobe (71) that equal number can coordinate with teeth groove (172) location.
7. butterfly valve according to claim 6, is characterized in that: between described end cap (9) and valve rod (14) for being threaded.
8. butterfly valve according to claim 6, it is characterized in that: described lock sleeve (7) is sheathed on valve rod (14) by the endoporus (73) of offering on it, the hole wall of described endoporus (73) has spacing plane (72), and described valve rod (14) is provided with the plane of orientation (141) coordinating with described spacing plane (72).
9. butterfly valve according to claim 6, is characterized in that: on the outer wall of described lock sleeve (7), along the circumferential direction offer a circle arcuation groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429126.7A CN102425676B (en) | 2011-12-20 | 2011-12-20 | Butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429126.7A CN102425676B (en) | 2011-12-20 | 2011-12-20 | Butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102425676A CN102425676A (en) | 2012-04-25 |
| CN102425676B true CN102425676B (en) | 2014-07-09 |
Family
ID=45959689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110429126.7A Active CN102425676B (en) | 2011-12-20 | 2011-12-20 | Butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102425676B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022916A (en) * | 2013-01-10 | 2013-04-03 | 黑龙江省电力有限公司检修公司 | Insulating assistant rod |
| CN117087095A (en) * | 2023-10-18 | 2023-11-21 | 常州瑞璐塑业有限公司 | Weighing device for PEEK part injection molding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB780870A (en) * | 1954-03-06 | 1957-08-07 | Pietro Fiorentini | Improvements in or relating to butterfly valves |
| CN2042916U (en) * | 1988-11-07 | 1989-08-16 | 王桂洪 | Eccentric bias butterfly valve |
| CN202349229U (en) * | 2011-12-20 | 2012-07-25 | 楚天科技股份有限公司 | Butterfly valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57171168A (en) * | 1981-04-13 | 1982-10-21 | Mitsubishi Heavy Ind Ltd | Check valve |
| JP3003068B2 (en) * | 1994-09-05 | 2000-01-24 | 株式会社キッツ | Rotary shut-off valve |
| US20110073789A1 (en) * | 2009-09-28 | 2011-03-31 | Yeary & Associates, Inc. | Butterfly Valve Flow Control Device |
-
2011
- 2011-12-20 CN CN201110429126.7A patent/CN102425676B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB780870A (en) * | 1954-03-06 | 1957-08-07 | Pietro Fiorentini | Improvements in or relating to butterfly valves |
| CN2042916U (en) * | 1988-11-07 | 1989-08-16 | 王桂洪 | Eccentric bias butterfly valve |
| CN202349229U (en) * | 2011-12-20 | 2012-07-25 | 楚天科技股份有限公司 | Butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102425676A (en) | 2012-04-25 |
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