CN212536701U - Three-eccentric butterfly valve with valve handle driven to rotate by motor - Google Patents
Three-eccentric butterfly valve with valve handle driven to rotate by motor Download PDFInfo
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- CN212536701U CN212536701U CN202021261079.0U CN202021261079U CN212536701U CN 212536701 U CN212536701 U CN 212536701U CN 202021261079 U CN202021261079 U CN 202021261079U CN 212536701 U CN212536701 U CN 212536701U
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Abstract
The utility model relates to the technical field of valves, specifically be a through three eccentric butterfly valves of motor drive valve handle pivoted, including valve body and valve gap, the outside of valve gap is rotated and is connected with the hand wheel, the outer wall of the hand wheel body of rod and be close to the position with valve gap junction be equipped with first gear, the outer wall level of valve gap is equipped with the mounting panel, the surface of mounting panel is equipped with servo motor, the tip coaxial coupling of servo motor output shaft has the axis of rotation, the outer wall swing joint of axis of rotation tip has the second gear, the outer wall of valve gap is equipped with the dead lever, the tip of dead lever is rotated and is connected with the third gear, and the third gear meshes with first gear and second gear respectively. This through three eccentric butterfly valves of motor drive valve handle pivoted, drive the second gear through servo motor and axis of rotation and rotate to make the second gear drive the third gear and rotate, rethread third gear drives first gear and rotates, thereby make the switch of hand wheel control valve, effectively improve the switching efficiency of valve.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a through motor drive valve handle pivoted triple offset butterfly valve.
Background
The three-eccentric butterfly valve is mainly applied to industries such as petroleum and chemical engineering and used for controlling circulation of liquid or gas, the existing three-eccentric butterfly valve is mostly manually controlled, when the three-eccentric butterfly valve in a pipeline system is applied in a large number, manual control of the three-eccentric butterfly valve is troublesome, and efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a through motor drive valve handle pivoted triple offset butterfly valve to propose when triple offset butterfly valve in the pipe-line system uses when more in solving above-mentioned background art, rely on manual control triple offset butterfly valve will be very troublesome, and the lower problem of efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
a valve handle rotating triple-eccentric butterfly valve driven by a motor comprises a valve body and a valve cover, wherein a hand wheel is connected to the outer side of the valve cover in a rotating mode, the end portion of a hand wheel rod body penetrates through the valve cover and is meshed with a valve rod, a first gear is arranged on the outer wall of the hand wheel rod body and close to the position of the connection position of the valve cover, a mounting plate is horizontally arranged on the outer wall of the valve cover, a servo motor is arranged on the surface of the mounting plate, symmetrically distributed fixed convex plates are arranged at the top of the valve cover, a protective pipe is arranged between the fixed convex plates, two ends of the protective pipe penetrate through the side faces of the fixed convex plates respectively, a rotating shaft is connected in the protective pipe in a rotating mode, the end portion of an output shaft of the servo motor is coaxially connected with one end of the rotating shaft, a second annular limiting block is arranged on the outer wall of the rotating, the outer wall swing joint of axis of rotation tip has the second gear, four locating holes of arranging with annular array are seted up to the side of second gear and the position that is close to the middle part, the tip threaded connection of axis of rotation has fastening bolt, fastening bolt's outer wall and the position that is close to the top are equipped with third annular stopper, the outer wall of valve gap and the position level of keeping away from the mounting panel are equipped with the dead lever, the tip of dead lever is equipped with circular solid piece, the outer wall of dead lever and the position that is close to the tip are equipped with first annular stopper, the outer wall of dead lever just is located the position rotation between first annular stopper and the circular solid piece and is connected with the third gear, just the third gear respectively with first gear with the second gear engagement.
Preferably, a protective cover is arranged on the outer side of the servo motor, and a plurality of radiating holes distributed at equal intervals are formed in the end of the protective cover.
Preferably, the outer diameter of the rotating shaft is matched with the inner diameter of the protective pipe.
Preferably, the positioning column is matched with the positioning hole in shape and size, and the second gear is movably inserted into the rotating shaft.
Preferably, when the fastening bolt is in threaded connection with the rotating shaft, two sides of the second gear are respectively attached to the side faces of the second annular limiting block and the third annular limiting block.
Preferably, the diameters of the first gear, the third gear and the second gear are sequentially decreased.
Compared with the prior art, the beneficial effects of the utility model are that:
this through three eccentric butterfly valves of motor drive valve handle pivoted, drive second gear rotation through servo motor and axis of rotation, thereby make the second gear drive third gear rotation, rethread third gear drives first gear rotation, thereby make hand wheel control valve's switch, do not need the manual work to go the on-off valve, effectively improve the switching efficiency of valve, remain the hand wheel structure, the switch of manual control valve when the motor damages, so that in time on-off valve, the installation and the dismantlement of the second gear of being convenient for through fastening bolt, avoid leading to the second gear card to die and the condition that can not the manual rotation hand wheel because the motor damages.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
fig. 3 is a schematic view of an assembly structure of the rotating shaft, the second gear and the fastening bolt according to the present invention;
fig. 4 is an assembly structure diagram of the hand wheel, the third gear and the valve cover of the present invention.
In the figure: the valve comprises a valve body 1, a valve cover 2, a mounting plate 20, a fixed convex plate 21, a protective pipe 22, a fixed rod 23, a circular fixed block 230, a first annular limiting block 231, a hand wheel 3, a first gear 30, a servo motor 4, a protective cover 5, a heat dissipation hole 50, a rotating shaft 6, a second annular limiting block 60, a positioning column 600, a second gear 7, a positioning hole 70, a fastening bolt 8, a third annular limiting block 80 and a third gear 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
a three-eccentric butterfly valve driven by a motor to rotate a valve handle comprises a valve body 1 and a valve cover 2, a hand wheel 3 is rotatably connected to the outer side of the valve cover 2, the end portion of the rod body of the hand wheel 3 penetrates through the valve cover 2 and is meshed with a valve rod, a first gear 30 is arranged on the outer wall of the rod body of the hand wheel 3 and is close to the joint with the valve cover 2, a mounting plate 20 is horizontally arranged on the outer wall of the valve cover 2, a servo motor 4 is arranged on the surface of the mounting plate 20, symmetrically distributed fixed convex plates 21 are arranged at the top of the valve cover 2, a protective pipe 22 is arranged between the two fixed convex plates 21, the fixed convex plates 21 are used for fixing the protective pipe 22, two ends of the protective pipe 22 respectively penetrate through the side surfaces of the two fixed convex plates 21 to rotate in a rotating mode, a rotating shaft 6 is connected to the protective pipe 22, the end portion of an output shaft of the servo motor 4 is, the positioning device has the functions of positioning the second gear 7 and preventing the second gear 7 from shifting when rotating, four positioning columns 600 arranged in an annular array are horizontally arranged on the side surface of the second annular limiting block 60, the second gear 7 is movably connected to the outer wall of the end part of the rotating shaft 6, four positioning holes 70 arranged in an annular array are arranged on the side surface of the second gear 7 and close to the middle part of the second gear, a fastening bolt 8 is connected to the end part of the rotating shaft 6 in a threaded manner, a third annular limiting block 80 is arranged on the outer wall of the fastening bolt 8 and close to the top part of the fastening bolt, a fixing rod 23 is horizontally arranged on the outer wall of the valve cover 2 and far away from the mounting plate 20, a circular fixing block 230 is arranged on the end part of the fixing rod 23, a first annular limiting block 231 is arranged on the outer wall of the fixing rod 23 and close to the end part of the fixing rod, and the third gear 9 is meshed with the first gear 30 and the second gear 7 respectively, and the third gear 9 plays a role of connection.
In this embodiment, the outside of servo motor 4 is equipped with protection casing 5, prevents that water and dust from entering into servo motor 4 in, and a plurality of louvres 50 that arrange at equal intervals are seted up to the tip of protection casing 5, make the heat that servo motor 4 produced can the effluvium.
Specifically, the outer diameter of the rotating shaft 6 is matched with the inner diameter of the protective tube 22, and the protective tube 22 can prevent the rotating shaft 6 from being bent in the rotating process.
Furthermore, the shape and size of the positioning column 600 are matched with the shape and size of the positioning hole 70, and the second gear 7 is movably inserted into the rotating shaft 6 to fix the position of the second gear 7, so that the second gear 7 can be conveniently installed.
Further, when the fastening bolt 8 is in threaded connection with the rotating shaft 6, the two sides of the second gear 7 are respectively attached to the side faces of the second annular limiting block 60 and the third annular limiting block 80, and the second gear 7 is ensured not to shake during rotation.
In addition, the diameters of the first gear 30, the third gear 9 and the second gear 7 are sequentially decreased progressively, so that the rapid rotation of the hand wheel 3 is avoided, and the valve is protected.
When the three-eccentric butterfly valve driven by the motor to rotate by the valve handle is used, but the valve needs to be opened or closed, a user starts the servo motor 4, drives the rotating shaft 6 and the second gear 7 to rotate through the servo motor 4, so that the second gear 7 drives the third gear 9 to rotate, and then drives the first gear 30 to rotate through the third gear 9, so that the hand wheel 3 controls the valve to be opened or closed, the valve does not need to be manually opened or closed, and the opening and closing efficiency of the valve is effectively improved; when servo motor 4 damaged, and dead condition of card appears in axis of rotation 6, the user makes fastening bolt 8 anticlockwise rotation, makes fastening bolt 8 dismantle from the tip of axis of rotation 6, dismantles second gear 7 again, and then the user just can rotate hand wheel 3, through hand wheel 3 manual open the valve or close can.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a through three eccentric butterfly valves of motor drive valve handle pivoted, includes valve body (1) and valve gap (2), its characterized in that: the outer side of the valve cover (2) is rotatably connected with a hand wheel (3), the end part of the rod body of the hand wheel (3) penetrates through the valve cover (2) and is meshed with the valve rod, the outer wall of the rod body of the hand wheel (3) is close to the position of the joint of the valve cover (2) and is provided with a first gear (30), the outer wall level of the valve cover (2) is provided with a mounting plate (20), the surface of the mounting plate (20) is provided with a servo motor (4), the top of the valve cover (2) is provided with symmetrically distributed fixed convex plates (21), two protective tubes (22) are arranged between the fixed convex plates (21), the two ends of each protective tube (22) penetrate through the side surfaces of the corresponding fixed convex plate (21), a rotating shaft (6) is rotatably connected in each protective tube (22), and the end part of an output shaft of the servo motor (4) is coaxially, a second annular limiting block (60) is arranged on the outer wall of the rotating shaft (6) and at a position close to the other end of the rotating shaft, four positioning columns (600) arranged in an annular array are horizontally arranged on the side surface of the second annular limiting block (60), a second gear (7) is movably connected to the outer wall of the end part of the rotating shaft (6), four positioning holes (70) arranged in an annular array are formed in the side surface of the second gear (7) and at a position close to the middle part of the second gear, a fastening bolt (8) is connected to the end part of the rotating shaft (6) in a threaded manner, a third annular limiting block (80) is arranged on the outer wall of the fastening bolt (8) and at a position close to the top part of the fastening bolt, a fixing rod (23) is horizontally arranged on the outer wall of the valve cover (2) and at a position far away from the mounting plate (20), a circular fixing block (230, the outer wall of the fixed rod (23) is rotatably connected with a third gear (9) at a position between the first annular limiting block (231) and the circular fixing block (230), and the third gear (9) is meshed with the first gear (30) and the second gear (7) respectively.
2. The triple offset butterfly valve of claim 1 wherein the valve handle is rotated by a motor, and wherein: the outer side of the servo motor (4) is provided with a protective cover (5), and a plurality of radiating holes (50) which are distributed at equal intervals are formed in the end part of the protective cover (5).
3. The triple offset butterfly valve of claim 1 wherein the valve handle is rotated by a motor, and wherein: the outer diameter of the rotating shaft (6) is matched with the inner diameter of the protective pipe (22).
4. The triple offset butterfly valve of claim 1 wherein the valve handle is rotated by a motor, and wherein: the shape and size of the positioning column (600) are matched with those of the positioning hole (70), and the second gear (7) is movably inserted into the rotating shaft (6).
5. The triple offset butterfly valve of claim 1 wherein the valve handle is rotated by a motor, and wherein: when the fastening bolt (8) is in threaded connection with the rotating shaft (6), the two sides of the second gear (7) are respectively attached to the side faces of the second annular limiting block (60) and the third annular limiting block (80).
6. The triple offset butterfly valve of claim 1 wherein the valve handle is rotated by a motor, and wherein: the diameters of the first gear (30), the third gear (9) and the second gear (7) are sequentially decreased in a decreasing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261079.0U CN212536701U (en) | 2020-07-02 | 2020-07-02 | Three-eccentric butterfly valve with valve handle driven to rotate by motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261079.0U CN212536701U (en) | 2020-07-02 | 2020-07-02 | Three-eccentric butterfly valve with valve handle driven to rotate by motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536701U true CN212536701U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021261079.0U Active CN212536701U (en) | 2020-07-02 | 2020-07-02 | Three-eccentric butterfly valve with valve handle driven to rotate by motor |
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| CN (1) | CN212536701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217752A (en) * | 2022-06-22 | 2022-10-21 | 中国石油大学(北京) | Plunger piston |
-
2020
- 2020-07-02 CN CN202021261079.0U patent/CN212536701U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217752A (en) * | 2022-06-22 | 2022-10-21 | 中国石油大学(北京) | Plunger piston |
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