CN209977273U - Butterfly valve for sea water desalination equipment - Google Patents
Butterfly valve for sea water desalination equipment Download PDFInfo
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- CN209977273U CN209977273U CN201920890074.5U CN201920890074U CN209977273U CN 209977273 U CN209977273 U CN 209977273U CN 201920890074 U CN201920890074 U CN 201920890074U CN 209977273 U CN209977273 U CN 209977273U
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- valve body
- electric actuator
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Abstract
The utility model discloses a butterfly valve for sea water desalination equipment, which comprises a valve body, the upper end of valve body is provided with electric actuator, the inside of valve body is provided with the installation axle that can reciprocate, the lower extreme of valve body be provided with the round hole of installation axle diameter size looks adaptation, installation axle passes through locking mechanism and electric actuator fixed connection, the outside symmetry of installation axle is provided with two valve plates, two all be provided with fixed establishment between valve plate and the installation axle, the lower extreme fixedly connected with connecting cylinder of valve body. The utility model has the advantages of reasonable design, dismantle the installation with the valve plate to the installation axle of butterfly valve to in change the operation to its part, can guarantee the performance of butterfly valve, also be favorable to the long-term use of butterfly valve.
Description
Technical Field
The utility model relates to a butterfly valve technical field especially relates to a butterfly valve for sea water desalination equipment.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
With the development of seawater desalination technology, the increasing demand of seawater-resistant valves as important matching products is also a necessary trend. Especially, the sea water butterfly valve, because its advantage such as opening and close convenient and fast, laborsaving, fluid resistance is little, simple structure, small, light in weight is widely used in the heavy-calibre operating mode in industries such as sea water desalination, power station sea water cooling, ocean oil gas, current butterfly valve is cast iron material, in the in-process of using, erodees through the sea water for a long time, can make butterfly valve relevant part receive the corruption like this, leads to the butterfly valve performance to descend, is unfavorable for the long-term use of butterfly valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a butterfly valve for seawater desalination equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a butterfly valve for sea water desalination equipment, includes the valve body, the upper end of valve body is provided with electric actuator, the inside of valve body is provided with the installation axle that can reciprocate, the lower extreme of valve body be provided with the round hole of installation axle diameter size looks adaptation, the installation axle passes through locking mechanism and electric actuator fixed connection, the outside symmetry of installation axle is provided with two valve plates, two all be provided with fixed establishment between valve plate and the installation axle, the lower extreme fixedly connected with connecting cylinder of valve body, be provided with closing mechanism on the connecting cylinder.
Preferably, locking mechanism is including setting up the rectangular channel in installation epaxial end, the interior bottom of rectangular channel is provided with the through-hole, be provided with the montant in the through-hole, the upper end outside position of montant is provided with the external screw thread, electric actuator's output is provided with the screw hole with external screw thread looks adaptation, the lower extreme fixedly connected with baffle of montant.
Preferably, the fixing mechanism comprises a sliding block fixedly connected to one side of the valve plate facing the installation shaft, and a sliding groove matched with the sliding block is formed in the outer side of the installation shaft.
Preferably, the sliding block and the sliding groove are both of T-shaped structures.
Preferably, the closing mechanism comprises a sealing cover screwed on the inner side of the connecting cylinder in a threaded manner, and a plurality of balls which can rotate and abut against the mounting shaft are circumferentially arranged at equal intervals at the upper end of the sealing cover.
Preferably, the output end of the electric actuator is rectangular.
The utility model has the advantages that:
1. by arranging the closing mechanism, the sealing cover is screwed tightly, so that the ball bearing tightly abuts against the mounting shaft and the rotation of the mounting shaft is not influenced, and the stability of the mounting shaft is improved;
2. by arranging the fixing mechanism, the valve plate and the mounting shaft can be quickly mounted or dismounted by utilizing the T-shaped structures of the sliding block and the sliding groove through the matching of the sliding block and the sliding groove, so that the worn parts can be conveniently replaced, and the service performance of the butterfly valve can be ensured;
3. through setting up locking mechanism, rectangular channel, utilize the screw hole on external screw thread and the electric actuator on the montant for the montant can connect soon with electric actuator, utilizes the baffle to install the axle, because electric actuator's output is the rectangle, and the rectangular channel can guarantee that the installation axle rotates along with electric actuator's output shaft.
Drawings
Fig. 1 is a schematic structural diagram of a butterfly valve for seawater desalination equipment provided by the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1;
fig. 4 is a schematic view of the installation bottom view structure of the butterfly valve for seawater desalination equipment provided by the present invention.
In the figure: the valve comprises a valve plate 1, a valve body 2, an electric actuator 3, a mounting shaft 4, a vertical rod 5, a rectangular groove 6, a through hole 7, an external thread 8, a threaded hole 9, a ball 10, a baffle 11, a sealing cover 12, a connecting cylinder 13, a round hole 14, a sliding block 15 and a sliding groove 16.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.
Referring to fig. 1-4, a butterfly valve for sea water desalination equipment, including valve body 2, the upper end of valve body 2 is provided with electric actuator 3, electric actuator 3's output is the rectangle, the inside of valve body 2 is provided with installation axle 4 that can reciprocate, the lower extreme of valve body 2 is provided with the round hole 14 with installation 4 diameter size looks adaptation, dynamic seal handles between installation axle 4 and the round hole 14, installation axle 4 passes through locking mechanism and electric actuator 3 fixed connection, the outside symmetry of installation axle 4 is provided with two valve plates 1, all be provided with fixed establishment between two valve plates 1 and the installation axle 4, the lower extreme fixedly connected with connecting cylinder 13 of valve body 2, be provided with closing mechanism on the connecting cylinder 13.
Specifically, the electric actuator 3 is a conventional one, and will not be described in detail herein.
Specifically, locking mechanism is including setting up rectangular channel 6 in installation axle 4 upper end, the interior bottom of rectangular channel 6 is provided with through-hole 7, be provided with montant 5 in the through-hole 7, the upper end outside position of montant 5 is provided with external screw thread 8, electric actuator 3's output is provided with the screw hole 9 with 8 looks adaptations of external screw thread, montant 5's lower extreme fixedly connected with baffle 11, baffle 11 is the hexagon, so that utilize instrument rotating baffle 11, can install axle 4 and electric actuator 3 installation, can utilize electric actuator 3 drive butterfly valve equipment.
Specifically, fixed establishment includes fixed connection at the slider 15 of valve plate 1 towards installation axle 4 one side, and the outside of installation axle 4 is provided with the spout 16 with slider 15 matched with, and slider 15 is T shape structure with spout 16, and such structure is convenient for dismantle valve plate 1 get off, changes the too much part of wearing and tearing to guarantee the performance of butterfly valve.
Specifically, the closing mechanism includes that the screw thread connects sealed lid 12 in connecting cylinder 13 inboard soon, and the inboard of connecting cylinder 13 all is provided with the screw thread of mutually supporting with the outside of sealed lid 12, and the upper end circumference equidistant of sealed lid 12 is provided with a plurality of rotatable balls 10 that just offset with installation axle 4, can not influence the rotation of installation axle 4 when supporting tightly installation axle 4.
During the change, at first unscrew sealed lid 12, make sealed lid 12 and connecting cylinder 13 part, rotating baffle 11 again, make the inside of the external screw thread 8 back-out screw hole 9 on the montant 5, realize montant 5 and electric actuator 3's separation, thereby can pull out installation axle 4 through round hole 14, in the slider 15 also roll-off spout 16 simultaneously, can change valve plate 1 and installation axle 4, conveniently change impaired piece and, reach the purpose of maintaining the butterfly valve, so that guarantee the performance of butterfly valve, otherwise then can install installation axle 4 and valve plate 1.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a butterfly valve for sea water desalination equipment, includes valve body (2), its characterized in that, the upper end of valve body (2) is provided with electric actuator (3), the inside of valve body (2) is provided with installation axle (4) that can reciprocate, the lower extreme of valve body (2) is provided with round hole (14) with installation axle (4) diameter size looks adaptation, installation axle (4) are through locking mechanism and electric actuator (3) fixed connection, the outside symmetry of installation axle (4) is provided with two valve plates (1), two all be provided with fixed establishment between valve plate (1) and the installation axle (4), the lower extreme fixedly connected with connecting cylinder (13) of valve body (2), be provided with closing mechanism on connecting cylinder (13).
2. The butterfly valve for the seawater desalination equipment according to claim 1, wherein the locking mechanism comprises a rectangular groove (6) arranged at the upper end of the installation shaft (4), a through hole (7) is arranged at the inner bottom of the rectangular groove (6), a vertical rod (5) is arranged in the through hole (7), an external thread (8) is arranged at the outer side position of the upper end of the vertical rod (5), a threaded hole (9) matched with the external thread (8) is arranged at the output end of the electric actuator (3), and a baffle plate (11) is fixedly connected to the lower end of the vertical rod (5).
3. The butterfly valve for the seawater desalination equipment according to claim 1, wherein the fixing mechanism comprises a sliding block (15) fixedly connected to one side of the valve plate (1) facing the mounting shaft (4), and a sliding groove (16) matched with the sliding block (15) is arranged on the outer side of the mounting shaft (4).
4. The butterfly valve for sea water desalination equipment according to claim 3, characterized in that the sliding block (15) and the sliding groove (16) are both T-shaped structures.
5. The butterfly valve for sea water desalination equipment according to claim 1, characterized in that the closing mechanism comprises a sealing cover (12) screwed inside the connecting cylinder (13), and a plurality of balls (10) which can rotate and abut against the mounting shaft (4) are arranged at equal intervals in the circumferential direction at the upper end of the sealing cover (12).
6. The butterfly valve for sea water desalination plants according to claim 1, characterized in that the output of said electric actuator (3) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920890074.5U CN209977273U (en) | 2019-06-13 | 2019-06-13 | Butterfly valve for sea water desalination equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920890074.5U CN209977273U (en) | 2019-06-13 | 2019-06-13 | Butterfly valve for sea water desalination equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977273U true CN209977273U (en) | 2020-01-21 |
Family
ID=69266063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920890074.5U Active CN209977273U (en) | 2019-06-13 | 2019-06-13 | Butterfly valve for sea water desalination equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977273U (en) |
-
2019
- 2019-06-13 CN CN201920890074.5U patent/CN209977273U/en active Active
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