CN208907470U - A kind of open-close driving mechanism for butterfly valve - Google Patents
A kind of open-close driving mechanism for butterfly valve Download PDFInfo
- Publication number
- CN208907470U CN208907470U CN201821407160.8U CN201821407160U CN208907470U CN 208907470 U CN208907470 U CN 208907470U CN 201821407160 U CN201821407160 U CN 201821407160U CN 208907470 U CN208907470 U CN 208907470U
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- China
- Prior art keywords
- valve
- cavity
- connecting rod
- valve body
- open
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a kind of open-close driving mechanisms for butterfly valve, including valve body, valve plate and valve rod, the valve plate is fixedly connected with valve rod, cavity is offered in the valve body, the valve rod, which is extended in cavity and is interference fitted, worm gear, the wormgear engaging worm, and there are rotating handles in the worm screw gap through the inner wall and interference fit of cavity, it is equidistant in the circumferential direction of the worm screw to offer multiple arrival slots, the opening and closing element being used cooperatively with arrival slot is installed on the valve body.It is designed using screw thread opening and closing element, since butterfly valve lacks fixed mechanism, cause to be easy to happen rotation in the case where hydraulic pressure is big, it can be turned in valve after specified angle using this design method and it is fixed, the problem of valve plate is easy along axis rotation in the case where hydraulic pressure is big in effective solution traditional technology, and be threadedly engaged stable connection, operation it is convenient, the fixation of big valve is realized by small mechanism.
Description
Technical field
The utility model relates to valve driving machine structure technical field more particularly to a kind of opening and closing driving machines for butterfly valve
Structure.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation.
Valve can be used for controlling empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radioactivity
The flowing of the various types fluid such as medium.Cutting and throttling action are mainly played on pipeline.
Butterfly valve opening and closing element in traditional technology is a discoidal butterfly plate, is rotated in valve body around the axis of its own,
To achieve the purpose that opening and closing or adjusting, although the valve rod and valve after adjusting can be self-locking by Worm gear mechanism, but due to lacking
Few fixed mechanism causes to be easy to rotate along axis when hydraulic pressure is big.
Utility model content
Purpose of the utility model is to solve above-mentioned problems, and a kind of opening and closing driving machine for butterfly valve proposed
Structure.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of open-close driving mechanism for butterfly valve, including valve body, valve plate and valve rod, the valve plate and valve rod are fixed to be connected
It connects, cavity is offered in the valve body, the valve rod, which is extended in cavity and is interference fitted, worm gear, and the worm gear engages snail
Bar, there are a rotating handles in the worm screw gap through the inner wall and interference fit of cavity, equidistant in the circumferential direction of the worm screw to open up
There are multiple arrival slots, the opening and closing element being used cooperatively with arrival slot is installed on the valve body.
Preferably, the opening and closing element includes inner screw sheath, external thread sleeve, first connecting rod, second connecting rod and support block；
The external thread sleeve is located in inner screw sheath and is threadedly coupled therewith, and the inner screw sheath is rotatably connected on valve body
On, two first connecting rods are symmetrically rotatably connected on the bottom end two sides of external thread sleeve, and the first connecting rod is rotatably connected to
Two connecting rods are rotatably connected on the inner wall of cavity in the middle part of the second connecting rod, and the second connecting rod and support block are welded.
Preferably, the outer surface interference fit of the inner screw sheath has bearing, and the outer ring of the bearing is welded on valve body.
Preferably, the second connecting rod is rotatably connected on the inner wall of cavity by pin shaft.
Preferably, the inner screw sheath, which is located at the interference fit of the part outside valve body, knob.
Compared with prior art, the utility model has following advantages:
It is designed using screw thread opening and closing element, convenient for the fixation of valve, since butterfly valve lacks fixed mechanism, leads to big in hydraulic pressure
In the case of be easy to happen rotation, can be turned in valve after specified angle using this design method and it is fixed, effectively
Solve the problems, such as in traditional technology that valve plate is easy to rotate along axis in the case where hydraulic pressure is big, and it is steady to be threadedly engaged connection
Calmly, it is convenient to operate, and the fixation of big valve is realized by small mechanism.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of open-close driving mechanism for butterfly valve structural schematic diagram；
Fig. 2 is the enlarged structure schematic diagram of opening and closing element in the utility model.
In figure: 1 valve body, 2 valve plates, 3 cavitys, 4 worm screws, 5 worm gears, 6 valve rods, 7 rotating handles, 8 opening and closing elements, 81 internal screw threads
Set, 82 external thread sleeves, 83 first connecting rods, 84 second connecting rods, 85 support blocks, 86 arrival slots, 87 bearings, 88 knobs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to figs. 1 to 2, a kind of open-close driving mechanism for butterfly valve, including valve body 1, valve plate 2 and valve rod 6, valve plate 2 with
Valve rod 6 is fixedly connected, and cavity 3 is offered in valve body 1, valve rod 6, which is extended in cavity 3 and is interference fitted, worm gear 5, and worm gear 5 is nibbled
Worm screw 4 is closed, 4 gap of worm screw there are a rotating handles 7 through the inner wall and interference fit of cavity 3, equidistant in the circumferential direction of worm screw 4 to open up
There are multiple arrival slots 86, the opening and closing element 8 being used cooperatively with arrival slot 86 is installed on valve body 1.
It is noted that the quantity of arrival slot 86 can be adjusted on demand, setting four is preferred, and every 90 degree of rotation is fixed.
More specifically, opening and closing element 8 includes inner screw sheath 81, external thread sleeve 82, first connecting rod 83, second connecting rod referring to Fig. 2
84 and support block 85；External thread sleeve 82 is located in inner screw sheath 81 and is threadedly coupled therewith, and inner screw sheath 81 is rotatably connected on valve body 1
On, the outer surface interference fit of inner screw sheath 81 has bearing 87, and the outer ring of bearing 87 is welded on valve body 1, and inner screw sheath 81
There is knob 88 in the part interference fit outside valve body 1, knob 88 is convenient for manpower rotation.
Two first connecting rods 83 are symmetrically rotatably connected on the bottom end two sides of external thread sleeve 82, and first connecting rod 83 is rotatably connected to
Second connecting rod 84, the middle part of second connecting rod 84 are rotatably connected on the inner wall of cavity 3, and second connecting rod 84 is rotatablely connected by pin shaft
On the inner wall of cavity 3, second connecting rod 84 and support block 85 are welded, and the effect of opening and closing element 8 is through inner screw sheath 81 and outer spiral shell
The movement of first connecting rod 83 is realized in the threaded connection of line set 82, and then second connecting rod 84 is driven to drive support block 85 according to lever is separate
It is supported with arrival slot 86 and closes-separate.
It is worth noting that being mature on the market including valve body 1, the working principle of valve plate 2 and valve rod 6 and connection type
The prior art, the technical issues of the utility model solves are as follows: although valve rod and valve after adjusting can by Worm gear mechanism from
Lock, but due to lacking fixed mechanism, cause to be easy to rotate along axis when hydraulic pressure is big.
Rotating handles 7, rotating handles 7 and then drive worm screw 4 are rotated when the utility model is used and worm gear 5 cooperates, and are realized
The rotation of valve plate 2, wherein settable four of the quantity of arrival slot 86, so that not being rotated by 90 ° worm screw 4 can not be fixed.
When fixed, manpower drives inner screw sheath 81 to rotate by knob 88, and the drive of inner screw sheath 81 is threadedly coupled therewith
External thread sleeve 82 is axially moved, and external thread sleeve 82 drives first connecting rod 83 to move, so that second connecting rod 84 is connected by first
The active force of bar 83 is moved according to lever principle, finally realizes that the support block 85 being fixedly connected with second connecting rod 84 is supported with arrival slot 86
Conjunction-separation.
In the present invention unless specifically defined or limited otherwise, term " the cover ", " embedded ", " connection ", " Gu
Calmly ", the terms such as " distribution " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of open-close driving mechanism for butterfly valve, including valve body (1), valve plate (2) and valve rod (6), the valve plate (2) and valve
Bar (6) is fixedly connected, which is characterized in that is offered cavity (3) in the valve body (1), the valve rod (6) extends to cavity (3)
Interior and interference fit has worm gear (5), and the worm gear (5) engages worm screw (4), and the inner wall of cavity (3) is run through in worm screw (4) gap
And interference fit has rotating handles (7), it is equidistant in the circumferential direction of the worm screw (4) to offer multiple arrival slots (86), the valve body
(1) opening and closing element (8) being used cooperatively with arrival slot (86) is installed on.
2. a kind of open-close driving mechanism for butterfly valve according to claim 1, which is characterized in that the opening and closing element (8)
Including inner screw sheath (81), external thread sleeve (82), first connecting rod (83), second connecting rod (84) and support block (85)；
The external thread sleeve (82) is located in inner screw sheath (81) and is threadedly coupled therewith, inner screw sheath (81) rotation connection
On valve body (1), two first connecting rods (83) are symmetrically rotatably connected on the bottom end two sides of external thread sleeve (82), and described first
Connecting rod (83) is rotatably connected to second connecting rod (84), and the inner wall of cavity (3) is rotatably connected in the middle part of the second connecting rod (84)
On, the second connecting rod (84) and support block (85) are welded.
3. a kind of open-close driving mechanism for butterfly valve according to claim 2, which is characterized in that the inner screw sheath
(81) outer surface interference fit has bearing (87), and the outer ring of the bearing (87) is welded on valve body (1).
4. a kind of open-close driving mechanism for butterfly valve according to claim 2, which is characterized in that the second connecting rod
(84) it is rotatably connected on by pin shaft on the inner wall of cavity (3).
5. a kind of open-close driving mechanism for butterfly valve according to claim 2, which is characterized in that the inner screw sheath
(81) being located at the part interference fit of valve body (1) outside has knob (88).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407160.8U CN208907470U (en) | 2018-08-30 | 2018-08-30 | A kind of open-close driving mechanism for butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407160.8U CN208907470U (en) | 2018-08-30 | 2018-08-30 | A kind of open-close driving mechanism for butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208907470U true CN208907470U (en) | 2019-05-28 |
Family
ID=66613330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821407160.8U Expired - Fee Related CN208907470U (en) | 2018-08-30 | 2018-08-30 | A kind of open-close driving mechanism for butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208907470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206521A (en) * | 2019-05-31 | 2019-09-06 | 山东科技大学 | A kind of water filling segmentation of coal seam long drilled holes, which is opened, splits device and method |
-
2018
- 2018-08-30 CN CN201821407160.8U patent/CN208907470U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206521A (en) * | 2019-05-31 | 2019-09-06 | 山东科技大学 | A kind of water filling segmentation of coal seam long drilled holes, which is opened, splits device and method |
| CN110206521B (en) * | 2019-05-31 | 2021-11-23 | 山东科技大学 | Coal seam long-drill-hole water injection sectional crack initiation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190528 Termination date: 20200830 |