CN104455676A - Worm gear driving device for butterfly valve - Google Patents
Worm gear driving device for butterfly valve Download PDFInfo
- Publication number
- CN104455676A CN104455676A CN201410694962.1A CN201410694962A CN104455676A CN 104455676 A CN104455676 A CN 104455676A CN 201410694962 A CN201410694962 A CN 201410694962A CN 104455676 A CN104455676 A CN 104455676A
- Authority
- CN
- China
- Prior art keywords
- turbine
- worm gear
- worm screw
- shaped
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
A worm gear driving device for a butterfly valve comprises a worm gear case body, wherein a sector-shaped worm gear and a worm are arranged in the worm gear case body, the bottom of the worm gear case body is open, a lower end cover is arranged at the opening position, a worm gear shaft extending-out hole is formed in the lower end cover, a first protrusion is arranged on the outer edge of the worm gear shaft extending-out hole, an installation opening of an indicating dial is formed in the top of the worm gear case body, a second protrusion is arranged on the outer edge of the installation opening, a lower seam allowance is formed in the lower portion of the sector-shaped worm gear, an upper seam allowance is formed in the upper portion of the sector-shaped worm gear, an annular protrusion is arranged at the upper end of the sector-shaped worm gear, the indicating dial is arranged on the annular protrusion and is round, a convex edge extending outwards is arranged on the outer edge of the installation opening, the outer diameter of the indicating dial is larger than that of the upper end of the convex edge, and a flange is arranged under the lower end cover. The worm gear case body comprises a worm gear installing portion and a worm installing portion, wherein an adjusting bolt is arranged at the worm gear installing portion. The sector-shaped worm gear driving device for the butterfly valve is simple and compact in structure, safe and reliable in use and easy to dismount and maintain.
Description
Technical field
The present invention relates to a kind of pipeline butterfly valve, especially relate to a kind of butterfly valve turbine-driven set.
Background technique
The turbine box that butterfly valve turbine-driven set of the prior art adopts, is top-open, and bottom is non-dismountable connection with the sidewall of turbine casing.When turbine is installed need turbine to put into turbine casing from above, after installing, case lid is bolted from above.The upper end of turbine casing is so not only made to use a large amount of bolts, and need to be connected with valve body additionally by a link press span, described link press span is typically provided with upper flange for being connected with turbine casing and the lower flange for being connected with valve body, thus causes turbine casing and also needs between link press span to adopt a large amount of bolts to be fixedly connected with.Such drive unit not only complex structure, making consumptive material is time-consuming, and arrange towards sky due to upper end when valve body uses being turbine casing, thus unavoidably to suffer wind and weather, detachable maintaining is difficult in order to avoid bolt gets rusty, usual needs adopt anti-corrosion measure in addition, so just further increase cost of production.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of butterfly valve turbine-driven set, compact structure, use reliable, be easy to dismounting maintenance.
The present invention in order to solve the problems of the technologies described above adopted technological scheme is: a kind of butterfly valve turbine-driven set, comprise turbine casing, the worm screw being provided with fan-shaped turbine in turbine casing and being meshed with fan-shaped turbine, the bottom of described turbine casing is provided with opening, lower end cap is provided with at opening, described lower end cap and turbine casing are bolted to connection, lower end cap is provided with turbine shaft and stretches out hole, the outer rim of stretching out hole along turbine shaft is inwardly provided with the first projection, top and the turbine shaft of turbine casing stretch out corresponding position, hole and are provided with mount inlet for installing indicator panel, inwardly be provided with for fan-shaped turbine is carried out to axial limiting second protruding in the outer rim of mount inlet, the bottom of described fan-shaped turbine is provided with the lower seam for being supported in the first projection, the upper seam for matching with the second projection is provided with on the top of fan-shaped turbine, the annular projection of extended mount inlet is also provided with in the upper end of fan-shaped turbine, annular projection is provided with indicator panel, the flange for being connected with valve body is provided with by link below lower end cap, the two ends of described worm screw are rotatably arranged on turbine casing respectively, and one end of worm screw is provided with closed rear end cover, and the other end of worm screw is provided with front cover, and described front cover is provided with the mounting hole supplying the input end of worm screw to stretch out.
Opposite side relative with worm screw on turbine casing, is parallelly provided with two for carrying out spacing adjusting bolt to the rotation of fan-shaped turbine, described adjusting bolt and the perpendicular setting of worm screw.
Also be provided with outward extending flange in the outer rim of mount inlet, described indicator panel is circular, and its external diameter is larger than the external diameter of annular projection, and larger than the upper end external diameter of flange.
Beneficial effect:
According to the present invention, not only can save a large amount of bolts that dress formula drive unit uses, and link is directly connected with lower end cap, also saves one piece of adpting flange, thus simplifies the structure of turbine casing.In addition in such an embodiment, the top of turbine casing no longer includes a large amount of bolt exposed, lower end cap use connecting bolt be protected in again below whole turbine casing, thus solve bolt and to get rusty the problem of not easily detachable maintaining, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A view of Fig. 1.
In figure, 1, lid is female, 2, nut, 3, adjusting bolt, 4, fan-shaped turbine, 401, lower seam, 402, upper seam, 403, annular projection, 5, rear end cover, 6, self oiling bearing, 7, thrust-bearing, 8, worm screw, 9, turbine casing, 901, turbine assembly department, 902, worm screw assembly department, 10, front cover, 11, indicator panel, 12, lower end cap, 1201, first is protruding, 1202, second is protruding, and 1203, flange, 13, flange.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete detailed description is further done to the present invention.
As shown in the figure, a kind of butterfly valve turbine-driven set, comprise turbine casing 9, the worm screw 8 being provided with fan-shaped turbine 4 in turbine casing 9 and being meshed with fan-shaped turbine 4, the bottom of described turbine casing 9 is provided with opening, opening is provided with lower end cap 12, described lower end cap 12 is bolted to connection with turbine casing 9, lower end cap 12 is provided with turbine shaft and stretches out hole (not shown turbine shaft), the outer rim of stretching out hole along turbine shaft is inwardly provided with the first projection 1201, top and the turbine shaft of turbine casing 9 stretch out corresponding position, hole and are provided with mount inlet for installing indicator panel 11, the second projection 1202 for carrying out axial limiting to fan-shaped turbine 4 is inwardly provided with in the outer rim of mount inlet, the bottom of described fan-shaped turbine 4 is provided with the lower seam 401 for being supported on protruding 1201, the upper seam 402 for matching with the second projection 1202 is provided with on the top of fan-shaped turbine 4, the annular projection 403 of extended mount inlet is also provided with in the upper end of fan-shaped turbine 4, annular projection 403 is provided with indicator panel 11.
Also be provided with outward extending flange 1203 in the outer rim of mount inlet, described indicator panel 11 is circular, and its external diameter is larger than the external diameter of annular projection 403, and larger than the upper end external diameter of flange 1203.Can ensure that rainwater can not enter turbine casing 9 from mount inlet like this, thus each part of protection turbine casing 9 inside is not by the erosion of rainwater.
The flange 13 for being connected with valve body is provided with by link below lower end cap 12; After the sheathed thrust-bearing 7 of two ends difference of described worm screw 8, be supported on turbine casing 9 respectively by a self oiling bearing 6 again.
One end of worm screw 8 is provided with closed rear end cover 5, it is protruding that described rear end cover 5 is provided with the tubular extended in turbine casing 9, described self oiling bearing 6 and the endoporus interference fit of described tubular projection, this end excircle of worm screw 8 and the endoporus of self oiling bearing 6 are Spielpassung.
The other end of worm screw 8 is provided with front cover 10, described front cover 10 is provided with the mounting hole supplying the input end of worm screw 8 to stretch out, and on front cover 10, also the tubular extended in turbine casing 9 is provided with protruding along mounting hole outer rim, the endoporus interference fit of the self oiling bearing of this end and this tubular projection, the input end of this self oiling bearing and worm screw 8 is Spielpassung.
Opposite side relative with worm screw 8 on turbine casing 9, spaced and parallelly be provided with two for carrying out spacing adjusting bolt 3 to the rotation of fan-shaped turbine 4, described adjusting bolt 3 and the perpendicular setting of worm screw 8, and adopt a lid mother and a nut to carry out locking with locking simultaneously; Described turbine casing 9 comprises turbine assembly department 901 and worm screw assembly department 902, described turbine assembly department 901 and worm screw assembly department 902 external frame all cylindrical, turbine assembly department 901 and worm screw assembly department 902 intersect setting, described adjusting bolt 3 is arranged on turbine assembly department 901, turbine assembly department 901 installs the side of adjusting bolt 3 to indentation in turbine box body 9, to reduce the materials being fabricated of turbine casing 9 and to reduce the installing space of whole drive unit.
Particularly, can make turbine assembly department 901 install adjusting bolt 3 side and from the side that screw rod 8 intersects adopt respectively diameter different two circular arcs form one special-shaped cylindric, the bottom of described turbine assembly department 901, for the ease of balancing and being connected, still adopts the opening compared with orthodrome diameter and corresponding lower end cap.During making, turbine assembly department 901 and worm screw assembly department 902 can adopt casting process to be made into integration.
According to the structure of invention, the opening of turbine casing 9 is located at bottom, during installation, open lower end cap 12, by turbine casing 9 end upward, the upper seam 402 of fan-shaped turbine 4 is supported in the second projection 1202, after then worm screw 8 also being installed, lower end cap 12 is adopted together with bolt is fixedly connected with turbine casing 9.Last reset of being turned upside down by turbine casing 9 again, is fixedly mounted on indicator panel 11 on annular projection 403.
The present invention not only can save a large amount of bolts that dress formula drive unit uses, and link is directly connected with lower end cap 12, also saves one piece of adpting flange, thus simplifies the structure of turbine casing 9.In addition in such an embodiment, the top of turbine casing 9 no longer includes a large amount of bolt exposed, lower end cap 12 use connecting bolt be protected in again below whole turbine casing 9, thus solve bolt and to get rusty the problem of not easily detachable maintaining.
Claims (3)
1. a butterfly valve turbine-driven set, comprise turbine casing (9), the worm screw (8) being provided with fan-shaped turbine (4) in turbine casing (9) and being meshed with fan-shaped turbine (4), it is characterized in that: the bottom of described turbine casing (9) is provided with opening, lower end cap (12) is provided with at opening, described lower end cap (12) and turbine casing (9) are bolted to connection, lower end cap (12) is provided with turbine shaft and stretches out hole, the outer rim of stretching out hole along turbine shaft is inwardly provided with the first projection (1201), top and the turbine shaft of turbine casing (9) stretch out corresponding position, hole and are provided with mount inlet for installing indicator panel (11), the second projection (1202) for carrying out axial limiting to fan-shaped turbine (4) is inwardly provided with in the outer rim of mount inlet, the bottom of described fan-shaped turbine (4) is provided with the lower seam (401) for being supported in the first projection (1201), the upper seam (402) for matching with the second projection (1202) is provided with on the top of fan-shaped turbine (4), the annular projection (403) of extended mount inlet is also provided with in the upper end of fan-shaped turbine (4), annular projection (403) is provided with indicator panel (11), the flange (13) for being connected with valve body is provided with by link in lower end cap (12) below, the two ends of described worm screw (8) are rotatably arranged on turbine casing (9) respectively, one end of worm screw (8) is provided with closed rear end cover (5), the other end of worm screw (8) is provided with front cover (10), and described front cover (10) is provided with the mounting hole supplying the input end of worm screw (8) to stretch out.
2. a kind of butterfly valve turbine-driven set according to claim 1, it is characterized in that: at the upper opposite side relative with worm screw (8) of turbine casing (9), parallelly be provided with two for carrying out spacing adjusting bolt (3) to the rotation of fan-shaped turbine (4), described adjusting bolt (3) and worm screw (8) perpendicular setting.
3. a kind of butterfly valve turbine-driven set according to claim 1 and 2, it is characterized in that: be also provided with outward extending flange (1203) in the outer rim of mount inlet, described indicator panel (11) is circular, its external diameter is larger than the external diameter of annular projection (403), and larger than the upper end external diameter of flange (1203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694962.1A CN104455676A (en) | 2014-11-27 | 2014-11-27 | Worm gear driving device for butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694962.1A CN104455676A (en) | 2014-11-27 | 2014-11-27 | Worm gear driving device for butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104455676A true CN104455676A (en) | 2015-03-25 |
Family
ID=52902191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410694962.1A Pending CN104455676A (en) | 2014-11-27 | 2014-11-27 | Worm gear driving device for butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701736A (en) * | 2017-10-25 | 2018-02-16 | 鞍山拜尔自控有限公司 | Worm gear reducer butterfly valve governor motion |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07286678A (en) * | 1994-04-18 | 1995-10-31 | Tomoe Gijutsu Kenkyusho:Kk | Driving device for rotary valve |
| JPH0914494A (en) * | 1995-04-27 | 1997-01-14 | Tomoe Gijutsu Kenkyusho:Kk | Driving device for butterfly valve and its manufacture |
| CN202579956U (en) * | 2012-05-14 | 2012-12-05 | 无锡平盛科技有限公司 | Worm-gear case of wire-rewinding machine |
| CN203421188U (en) * | 2013-07-23 | 2014-02-05 | 宁波埃美柯铜阀门有限公司 | Worm drive lever-type butterfly valve |
| CN203532930U (en) * | 2013-10-16 | 2014-04-09 | 常熟市虞菱机械有限责任公司 | Partial rotating valve three-level manual driving device |
| CN204300491U (en) * | 2014-11-27 | 2015-04-29 | 河南煜达阀门制造有限公司 | A kind of butterfly valve turbine-driven set |
-
2014
- 2014-11-27 CN CN201410694962.1A patent/CN104455676A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07286678A (en) * | 1994-04-18 | 1995-10-31 | Tomoe Gijutsu Kenkyusho:Kk | Driving device for rotary valve |
| JPH0914494A (en) * | 1995-04-27 | 1997-01-14 | Tomoe Gijutsu Kenkyusho:Kk | Driving device for butterfly valve and its manufacture |
| CN202579956U (en) * | 2012-05-14 | 2012-12-05 | 无锡平盛科技有限公司 | Worm-gear case of wire-rewinding machine |
| CN203421188U (en) * | 2013-07-23 | 2014-02-05 | 宁波埃美柯铜阀门有限公司 | Worm drive lever-type butterfly valve |
| CN203532930U (en) * | 2013-10-16 | 2014-04-09 | 常熟市虞菱机械有限责任公司 | Partial rotating valve three-level manual driving device |
| CN204300491U (en) * | 2014-11-27 | 2015-04-29 | 河南煜达阀门制造有限公司 | A kind of butterfly valve turbine-driven set |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701736A (en) * | 2017-10-25 | 2018-02-16 | 鞍山拜尔自控有限公司 | Worm gear reducer butterfly valve governor motion |
| CN107701736B (en) * | 2017-10-25 | 2024-04-12 | 鞍山拜尔自控有限公司 | Worm gear speed reducing butterfly valve regulating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |