CN210178949U - Butterfly valve with improved structure - Google Patents
Butterfly valve with improved structure Download PDFInfo
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- CN210178949U CN210178949U CN201921003738.8U CN201921003738U CN210178949U CN 210178949 U CN210178949 U CN 210178949U CN 201921003738 U CN201921003738 U CN 201921003738U CN 210178949 U CN210178949 U CN 210178949U
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Abstract
The utility model relates to the technical field of valves, a institutional advancement's butterfly valve is disclosed, including the valve body, be provided with the valve rod on the valve body, the valve rod extends into in the valve body and is provided with the case subassembly, the case subassembly is including setting up the valve plate in the valve rod both sides, be provided with the elastic recovery piece between the valve plate, elastic recovery piece both ends respectively with adjacent valve plate side fixed connection, be provided with the extruded article that corresponds with the valve plate on the valve rod, the one side that the valve plate is relative all is provided with the draw-in groove, the one end that the adjacent valve plate was pressed close to the extruded article sets up to sphere and card income draw-in groove, be provided with two baffles in the valve body and press close to. The utility model discloses can realize improving the leakproofness of butterfly valve when closing, make it still can keep the purpose of good sealed effect after long-term the use.
Description
Technical Field
The utility model relates to the technical field of valves, specifically indicate a butterfly valve of institutional advancement.
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.
The existing butterfly valve is sealed by means of the abutting of the valve plate and a sealing element in the valve body, certain abrasion can be generated after the butterfly valve is used for a long time due to the fact that the friction force of the valve plate and the sealing element is large, the purpose of controlling flow cannot be achieved, and the butterfly valve is poor in cutting-off effect only by means of the contact of the valve plate and the sealing element.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model provides a butterfly valve of institutional advancement. The utility model discloses can realize improving the leakproofness of butterfly valve when closing, make its still can keep the purpose of good sealed effect after long-term the use, through set up the valve plate in the valve rod both sides, set up the extruded article that corresponds with the valve plate on the valve rod, set up the draw-in groove with the extruded article joint on the valve plate, the sealed simple contact realization that relies on valve plate and valve body of having solved current butterfly valve for sealed not good problem of effect.
For solving the above technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a butterfly valve of institutional advancement, includes the valve body, be provided with the valve rod on the valve body, the valve rod extends into the valve body and is provided with the case subassembly, the case subassembly is including setting up the valve plate in the valve rod both sides, be provided with the elastic recovery piece between the valve plate, elastic recovery piece both ends respectively with adjacent valve plate side fixed connection, be provided with the extruded article that corresponds with the valve plate on the valve rod, the one side that the valve plate is relative all is provided with the draw-in groove, the one end that adjacent valve plate was pressed close to the extruded article sets up to sphere and card income draw-in groove, be provided with two baffles in the valve body and press close to the one side that two valve plates deviate from respectively, two.
The utility model discloses in, can rotate the valve rod earlier when closing the butterfly valve, because be provided with the extruded article on the valve rod, and the one end card of extruded article goes into in the draw-in groove of adjacent valve plate, make the valve rod drive the extruded article in the pivoted in-process and rotate, thereby drive the valve plate through the joint with the valve plate and rotate, because be provided with two baffles in the valve body, can't continue to rotate because of the restriction of baffle when the valve plate rotates to the baffle position, because the baffle adopts crisscross setting, make the baffle can not rotate the valve plate along specific direction and produce the interference, continue to rotate the valve rod this moment, make the spherical end of extruded article break away from and extrude the valve plate from the draw-in groove of valve plate and make it move and stretch the elastic restoring piece in the horizontal direction, because the extrusion effect of extruded article to; when the butterfly valve is opened, the valve rod can be rotated reversely, so that the extrusion piece falls into the clamping groove again, the valve plate resets under the action of the elastic restoring piece, and the valve rod is continuously rotated to open the valve plate.
The utility model discloses can realize improving the leakproofness of butterfly valve when closing, make its still can keep the purpose of good sealed effect after long-term the use, through set up the valve plate in the valve rod both sides, set up the extruded article that corresponds with the valve plate on the valve rod, set up the draw-in groove with the extruded article joint on the valve plate, the sealed simple contact realization that relies on valve plate and valve body of having solved current butterfly valve for sealed not good problem of effect.
As a preferred mode, the valve rod is sleeved with a transmission sleeve and is in rotating connection, a connecting rod corresponding to the valve plate is hinged to the transmission sleeve, and the lower end of the connecting rod is hinged to the side face of the valve plate.
As a preferable mode, the elastic restoring piece is provided with a plurality of springs, the springs correspond to the adjacent valve plates in position, one end of each spring is fixedly connected with the transmission sleeve, and the other end of each spring is fixedly connected with the adjacent valve plate.
As a preferred mode, the extruded article is including setting up the installation pole of both sides on the valve rod, the one end that adjacent valve plate was pressed close to the installation pole is fixed and is provided with the ball, the ball card is gone into in the draw-in groove.
Preferably, the two driving sleeves are arranged and distributed along the axis of the valve rod, and the two groups of the extruded members are distributed along the axis of the valve rod.
Preferably, the sealing element is a rubber sealing ring which is embedded in the outer circumferential surface of the valve plate.
As a preferred mode, the baffle is arc-shaped, and a rubber sealing strip is embedded in one surface of the baffle close to the valve plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses can realize improving the leakproofness of butterfly valve when closing, make its still can keep the purpose of good sealed effect after long-term the use, through set up the valve plate in the valve rod both sides, set up the extruded article that corresponds with the valve plate on the valve rod, set up the draw-in groove with the extruded article joint on the valve plate, the sealed simple contact realization that relies on valve plate and valve body of having solved current butterfly valve for sealed not good problem of effect.
(2) The utility model discloses the cover is equipped with transmission cover and swivelling joint on the well valve rod, the articulated connecting rod that corresponds with the valve plate that has on the transmission cover, the connecting rod lower extreme is articulated with the valve plate side, rotates when the valve rod removes in the draw-in groove to the extruded article, and the valve plate produces horizontal displacement and makes its rotation through the pulling connecting rod, because transmission cover and valve rod adoption rotate to be connected for the rotation of valve rod does not produce the interference to the transmission cover.
(3) The utility model discloses well elasticity restoring piece sets up to the spring, the spring sets up to a plurality ofly and corresponding with adjacent valve plate position, spring one end and transmission cover fixed connection, the other end and adjacent valve plate fixed connection for the atress of valve plate is even, improves the stability in use.
(4) The baffle is the arc setting to the one side embedding that is close to the valve plate at it is provided with rubber seal strip, the valve plate can utilize rubber seal strip to realize sealed effect after laminating with the baffle.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic diagram of the structure viewed from the right side of the present invention.
The valve comprises a valve body 1, a valve rod 2, an elastic restoring piece 3, a baffle 4, a transmission sleeve 5, a rubber sealing strip 6, a sealing piece 7, a valve plate 8, an extrusion piece 9, an installation rod 91, a ball 92, a connecting rod 10 and a clamping groove 11.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. Embodiments of the present invention include, but are not limited to, the following examples.
Example 1:
referring to fig. 1-2, a butterfly valve of institutional advancement, including valve body 1, be provided with valve rod 2 on the valve body 1, valve rod 2 extends into in the valve body 1 and is provided with the case subassembly, the case subassembly is including setting up the valve plate 8 in valve rod 2 both sides, be provided with elastic recovery piece 3 between the valve plate 8, elastic recovery piece 3 both ends respectively with adjacent valve plate 8 side fixed connection, be provided with the extruded piece 9 that corresponds with valve plate 8 on the valve rod 2, the one side that 8 valve plates are relative all is provided with draw-in groove 11, the one end that adjacent valve plate 8 was pressed close to extruded piece 9 sets up to the sphere and blocks into in the draw-in groove 11, be provided with two baffles 4 in the valve body 1 and press close to the one side that two valve plates 8 deviate from mutually respectively, two baffle 4 is the setting of staggering, be provided with sealing.
In the utility model, the valve rod 2 can be rotated firstly when the butterfly valve is closed, because the extrusion piece 9 is arranged on the valve rod 2, and one end of the extrusion piece 9 is clamped into the clamping groove 11 of the adjacent valve plate 8, the valve rod 2 drives the extrusion piece 9 to rotate in the rotating process, so that the valve plate 8 is driven to rotate through the clamping connection with the valve plate 8, because the two baffles 4 are arranged in the valve body 1, when the valve plate 8 rotates to the position of the baffle 4, the continuous rotation can not be realized due to the limitation of the baffle 4, because the baffles 4 are arranged in a staggered way, the baffle 4 can not generate interference to the rotation of the valve plate 8 along the specific direction, at the moment, the valve rod 2 is continuously rotated, the spherical end of the extrusion piece 9 is separated from the clamping groove 11 of the valve plate 8 and extrudes the valve plate 8 to move in the horizontal direction and stretch the elastic recovery piece 3, thereby improving the sealing performance of the valve plate 8; when opening the butterfly valve, can reverse rotation valve rod 2, make extruded piece 9 fall into draw-in groove 11 again in, valve plate 8 resets under the effect of elasticity restoring piece 3, continues to rotate valve rod 2 and can open valve plate 8.
The utility model discloses can realize improving the leakproofness of butterfly valve when closing, make its still can keep the purpose of good sealed effect after long-term the use, through set up the valve plate in the valve rod both sides, set up the extruded article that corresponds with the valve plate on the valve rod, set up the draw-in groove with the extruded article joint on the valve plate, the sealed simple contact realization that relies on valve plate and valve body of having solved current butterfly valve for sealed not good problem of effect.
Example 2:
referring to fig. 1-2, a butterfly valve of institutional advancement, including valve body 1, be provided with valve rod 2 on the valve body 1, valve rod 2 extends into in the valve body 1 and is provided with the case subassembly, the case subassembly is including setting up the valve plate 8 in valve rod 2 both sides, be provided with elastic recovery piece 3 between the valve plate 8, elastic recovery piece 3 both ends respectively with adjacent valve plate 8 side fixed connection, be provided with the extruded piece 9 that corresponds with valve plate 8 on the valve rod 2, the one side that 8 valve plates are relative all is provided with draw-in groove 11, the one end that adjacent valve plate 8 was pressed close to extruded piece 9 sets up to the sphere and blocks into in the draw-in groove 11, be provided with two baffles 4 in the valve body 1 and press close to the one side that two valve plates 8 deviate from mutually respectively, two baffle 4 is the setting of staggering, be provided with sealing.
The valve rod 2 is sleeved with a transmission sleeve 5 and is in rotating connection with the transmission sleeve, the transmission sleeve 5 is hinged with a connecting rod 10 corresponding to the valve plate 8, and the lower end of the connecting rod 10 is hinged with the side face of the valve plate 8.
In this embodiment, when the valve rod rotates to the extruded article and removes in the draw-in groove, the valve plate produces horizontal displacement and makes its rotation through the pulling connecting rod, because the driving sleeve adopts to rotate with the valve rod to be connected for the rotation of valve rod does not produce the interference to the driving sleeve.
As a preferred mode, the elastic restoring member 3 is provided as a spring, the spring is provided in a plurality of positions corresponding to the adjacent valve plates 8, one end of the spring is fixedly connected with the transmission sleeve 5, and the other end of the spring is fixedly connected with the adjacent valve plates 8. In this mode for the atress of valve plate is even, improves stability in use.
Preferably, the extrusion member 9 includes mounting rods 91 disposed on two sides of the valve rod 2, one end of the mounting rod 91 adjacent to the adjacent valve plate 8 is fixedly provided with balls 92, and the balls 92 are clamped into the clamping grooves 11.
Preferably, the driving sleeves 5 are arranged in two groups and distributed along the axis of the valve rod 2, and the extruded members 9 are arranged in two groups and distributed along the axis of the valve rod 2.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
Example 3:
referring to fig. 1-2, a butterfly valve of institutional advancement, including valve body 1, be provided with valve rod 2 on the valve body 1, valve rod 2 extends into in the valve body 1 and is provided with the case subassembly, the case subassembly is including setting up the valve plate 8 in valve rod 2 both sides, be provided with elastic recovery piece 3 between the valve plate 8, elastic recovery piece 3 both ends respectively with adjacent valve plate 8 side fixed connection, be provided with the extruded piece 9 that corresponds with valve plate 8 on the valve rod 2, the one side that 8 valve plates are relative all is provided with draw-in groove 11, the one end that adjacent valve plate 8 was pressed close to extruded piece 9 sets up to the sphere and blocks into in the draw-in groove 11, be provided with two baffles 4 in the valve body 1 and press close to the one side that two valve plates 8 deviate from mutually respectively, two baffle 4 is the setting of staggering, be provided with sealing.
The sealing element 7 is arranged as a rubber sealing ring which is embedded into the outer circumferential surface of the valve plate 8.
Preferably, the baffle 4 is arc-shaped, and a rubber sealing strip 6 is embedded on one surface of the baffle close to the valve plate 8. In this mode, the valve plate can utilize the rubber sealing strip to realize sealed effect after laminating with the baffle.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the patent protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a butterfly valve of institutional advancement, includes valve body (1), be provided with valve rod (2) on valve body (1), valve rod (2) extend into in valve body (1) and are provided with case subassembly, its characterized in that: the valve core assembly comprises valve plates (8) arranged on two sides of a valve rod (2), an elastic restoring piece (3) is arranged between the valve plates (8), two ends of the elastic restoring piece (3) are fixedly connected with the side faces of adjacent valve plates (8) respectively, an extruding piece (9) corresponding to the valve plates (8) is arranged on the valve rod (2), one side, opposite to the valve plates (8), of each extruding piece (9) is provided with a clamping groove (11), one end, close to the adjacent valve plates (8), of each extruding piece (9) is arranged to be spherical and clamped into the clamping groove (11), two baffle plates (4) are arranged in the valve body (1) and are respectively close to one side, deviating from the two valve plates (8), of each baffle plate (4) are arranged in a staggered mode, and sealing pieces (7) are arranged on the outer circumferential.
2. The butterfly valve with improved structure as claimed in claim 1, wherein: the valve is characterized in that a transmission sleeve (5) is sleeved on the valve rod (2) and is in rotating connection with the transmission sleeve, a connecting rod (10) corresponding to the valve plate (8) is hinged to the transmission sleeve (5), and the lower end of the connecting rod (10) is hinged to the side face of the valve plate (8).
3. The butterfly valve with improved structure as claimed in claim 2, wherein: the elastic restoring piece (3) is arranged to be a spring, the spring is arranged to be a plurality of and corresponds to the adjacent valve plate (8), one end of the spring is fixedly connected with the transmission sleeve (5), and the other end of the spring is fixedly connected with the adjacent valve plate (8).
4. The butterfly valve with improved structure as claimed in claim 3, wherein: extruded piece (9) are including setting up installation pole (91) of both sides on valve rod (2), the one end that adjacent valve plate (8) are pressed close to in installation pole (91) is fixed and is provided with ball (92), ball (92) card is gone into in draw-in groove (11).
5. The butterfly valve with improved structure as claimed in claim 4, wherein: the two groups of the extrusion pieces (9) are distributed along the axis of the valve rod (2).
6. The butterfly valve with improved structure as claimed in claim 1, wherein: the sealing element (7) is arranged as a rubber sealing ring, and the rubber sealing ring is embedded into the outer circumferential surface of the valve plate (8).
7. The butterfly valve with improved structure as claimed in claim 6, wherein: baffle (4) are the arc setting to it is provided with rubber seal strip (6) to press close to the one side embedding of valve plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003738.8U CN210178949U (en) | 2019-06-28 | 2019-06-28 | Butterfly valve with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003738.8U CN210178949U (en) | 2019-06-28 | 2019-06-28 | Butterfly valve with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210178949U true CN210178949U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921003738.8U Active CN210178949U (en) | 2019-06-28 | 2019-06-28 | Butterfly valve with improved structure |
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| Country | Link |
|---|---|
| CN (1) | CN210178949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427603A (en) * | 2022-01-21 | 2022-05-03 | 合肥旭尧控制设备有限公司 | Double-sealing flange type electric butterfly valve |
-
2019
- 2019-06-28 CN CN201921003738.8U patent/CN210178949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427603A (en) * | 2022-01-21 | 2022-05-03 | 合肥旭尧控制设备有限公司 | Double-sealing flange type electric butterfly valve |
| CN114427603B (en) * | 2022-01-21 | 2024-02-06 | 天津中天核科技实业有限公司 | Double-sealing flange type electric butterfly valve |
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