CN213206587U - Hard sealing flange butterfly valve - Google Patents
Hard sealing flange butterfly valve Download PDFInfo
- Publication number
- CN213206587U CN213206587U CN202022067597.5U CN202022067597U CN213206587U CN 213206587 U CN213206587 U CN 213206587U CN 202022067597 U CN202022067597 U CN 202022067597U CN 213206587 U CN213206587 U CN 213206587U
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- valve
- transmission case
- sealing
- worm
- gear
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Abstract
The utility model discloses a hard seal flange butterfly valve, including valve body, valve plate, valve rod and sealed tube, the sealed tube is installed at the top of valve body, the top fixedly connected with transmission case of sealed tube, the inboard top of transmission case is rotated and is connected with the gear, and the bottom fixedly connected with of gear runs through the valve rod of valve body, and the bottom of valve rod installs the valve plate, the inboard of transmission case is rotated through the bearing housing and is connected with the driven worm with gear engagement, driving motor is installed to the side end face of transmission case, and driving motor's output shaft and worm coaxial rotation are connected, the hand wheel is installed to the side end face of worm. The utility model discloses in, at first, adopt the locking formula structure of worm to the gear, ensured the spacing effect that the valve plate opened and close from this, secondly, adopt benefit to decrease formula seal structure, ensured the leakproofness between valve body and the transmission case.
Description
Technical Field
The utility model relates to a butterfly valve technical field especially relates to hard seal flange butterfly valve.
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.
Because the butterfly valve plate opens the principle restriction, the butterfly valve receives the medium easily and assaults and lead to the valve plate to rotate under the non-whole state of opening of changeing, has spacing poor problem of effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, a hard seal flange butterfly valve is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
hard seal flange butterfly valve, including valve body, valve plate, valve rod and sealed tube, the sealed tube is installed at the top of valve body, the top fixedly connected with transmission case of sealed tube, the inboard top of transmission case is rotated and is connected with the gear, and the bottom fixedly connected with of gear runs through the valve rod of valve body, and the bottom of valve rod installs the valve plate, the inboard of transmission case is rotated through the bearing housing and is connected with the driven worm with gear engagement, driving motor is installed to the side end face of transmission case, and driving motor's output shaft and worm coaxial rotation are connected, the hand wheel is installed to the side end face of worm.
As a further description of the above technical solution:
two support rings of inboard fixedly connected with of sealed tube, the top slip of two support rings has the slide bar that is annular equidistance and distributes that runs through the support ring.
As a further description of the above technical solution:
the outer end face of the valve rod is located between the two support rings and is sleeved with two sealing gaskets.
As a further description of the above technical solution:
the outer end face of the valve rod is located between the two sealing gaskets and is fixedly connected with a convex ring, and the convex ring and the valve rod are of an integrated structure.
As a further description of the above technical solution:
the sliding rod is fixedly connected with the sealing gasket on one side close to the sealing gasket, and an extrusion spring is sleeved on the outer end face of the sliding rod.
As a further description of the above technical solution:
the top and the bottom of the outer end face of the convex ring are both of inclined structures, and one side, close to the convex ring, of the sealing gasket is tightly attached to the convex ring.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, adopt the worm to the closure formula structure of gear, drive the worm through driving motor and rotate, through the meshing transmission of worm and gear to can drive the gear and rotate, can drive the valve plate through the rotation of gear and rotate, realize opening and close of butterfly valve, because the one-way closure of worm to the gear, thereby prevent that the gear from rotating, ensured the spacing effect that the valve plate opened and close from this.
2. The utility model discloses in, adopt benefit to decrease formula seal structure, extrusion spring extrusion sealing gasket extrudees to bulge loop one side for sealed pad and the closely laminating of bulge loop, because the outer terminal surface top and the bottom of bulge loop all are the slope structure, and sealed one side that fills up and be close to the bulge loop closely laminates with the bulge loop, along with the wearing and tearing of sealed pad, extrusion spring can extrusion sealing gasket and the laminating of bulge loop, mends the loss to the wearing and tearing department of sealed pad from this, has ensured the leakproofness between valve body and the transmission case.
Drawings
Fig. 1 shows a schematic structural diagram of a hard seal flange butterfly valve provided according to an embodiment of the present invention;
fig. 2 shows a schematic view of an internal structure of a transmission case provided according to an embodiment of the present invention;
fig. 3 shows a schematic top view of a transmission case provided according to an embodiment of the present invention;
fig. 4 shows an internal structural schematic diagram of the sealing tube provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a valve body; 2. a valve plate; 3. a sealing tube; 4. a transmission case; 5. a hand wheel; 6. a drive motor; 7. a valve stem; 8. a gear; 9. a worm; 10. a convex ring; 11. a gasket; 12. a support ring; 13. a slide bar; 14. compressing the spring.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a hard sealing flange butterfly valve comprises a valve body 1, a valve plate 2, a valve rod 7 and a sealing pipe 3, wherein the sealing pipe 3 is installed at the top of the valve body 1, a transmission case 4 is fixedly connected to the top of the sealing pipe 3, a gear 8 is rotatably connected to the top of the inner side of the transmission case 4, the bottom of the gear 8 is fixedly connected with the valve rod 7 penetrating through the valve body 1, the valve plate 2 is installed at the bottom of the valve rod 7, a worm 9 in meshing transmission with the gear 8 is rotatably connected to the inner side of the transmission case 4 through a bearing sleeve, a driving motor 6 is installed on the side end face of the transmission case 4, the output shaft of the driving motor 6 is coaxially and rotatably connected with the worm 9, a hand wheel 5 is installed on the side end face of the worm 9, the worm 9 is driven to rotate through the driving motor 6, the gear 8 is driven, realize opening and close of butterfly valve, because worm 9 is to the one-way closure of gear 8 to prevent that gear 8 from rotating, ensured the spacing effect that valve plate 2 opened and close from this, through the setting of hand wheel 5, drive worm 9 through hand wheel 5 and rotate, thereby, this butterfly valve also can realize manual opening and close.
Specifically, as shown in fig. 4, two support rings 12 are fixedly connected to the inner side of the sealing tube 3, slide rods 13 penetrating through the support rings 12 and distributed at equal intervals in a ring shape are slidably inserted into the top portions of the two support rings 12, two sealing gaskets 11 are sleeved between the two support rings 12 on the outer end surface of the valve rod 7, a convex ring 10 is fixedly connected between the two sealing gaskets 11 on the outer end surface of the valve rod 7, the convex ring 10 and the valve rod 7 are in an integrated structure, one side of the slide rod 13 close to the sealing gasket 11 is fixedly connected with the sealing gasket 11, an extrusion spring 14 is sleeved on the outer end surface of the slide rod 13, the top portion and the bottom portion of the outer end surface of the convex ring 10 are both in an inclined structure, one side of the sealing gasket 11 close to the convex ring 10 is tightly attached to the convex ring 10, the extrusion spring 14 extrudes the sealing gasket 11 to one side of the convex ring 10, and one side of the sealing gasket 11 close to the convex ring 10 is tightly attached to the convex ring 10, and along with the abrasion of the sealing gasket 11, the extrusion spring 14 can extrude the sealing gasket 11 to be attached to the convex ring 10, so that the abrasion part of the sealing gasket 11 is damaged, and the sealing property between the valve body 1 and the transmission case 4 is ensured.
The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A hard sealing flange butterfly valve comprises a valve body (1), a valve plate (2), a valve rod (7) and a sealing pipe (3), it is characterized in that a sealing pipe (3) is arranged at the top of the valve body (1), a transmission case (4) is fixedly connected at the top of the sealing pipe (3), a gear (8) is rotatably connected at the top of the inner side of the transmission case (4), and the bottom of the gear (8) is fixedly connected with a valve rod (7) which penetrates through the valve body (1), a valve plate (2) is arranged at the bottom of the valve rod (7), the inner side of the transmission case (4) is rotatably connected with a worm (9) which is in meshing transmission with a gear (8) through a bearing sleeve, a driving motor (6) is arranged on the end surface of the side of the transmission case (4), and the output shaft of the driving motor (6) is coaxially and rotatably connected with the worm (9), and a hand wheel (5) is arranged on the side end surface of the worm (9).
2. A hard sealing flange butterfly valve according to claim 1, characterised in that two support rings (12) are fixedly connected to the inside of the sealing tube (3), the top of the two support rings (12) being slidingly embedded with sliding rods (13) running through the support rings (12) and distributed in an annular equidistant manner.
3. A hard-sealing flange butterfly valve according to claim 2, characterised in that the outer end surface of the valve stem (7) is provided with two sealing gaskets (11) between two support rings (12).
4. The hard sealing flange butterfly valve according to claim 3, wherein a convex ring (10) is fixedly connected between the two sealing gaskets (11) on the outer end surface of the valve rod (7), and the convex ring (10) and the valve rod (7) are of an integrated structure.
5. The hard sealing flange butterfly valve according to claim 2, wherein the sliding rod (13) is fixedly connected with the sealing gasket (11) at a side close to the sealing gasket (11), and the outer end surface of the sliding rod (13) is sleeved with a pressing spring (14).
6. The hard sealing flange butterfly valve according to claim 4, wherein the top and the bottom of the outer end surface of the convex ring (10) are both in an inclined structure, and one side of the sealing gasket (11) close to the convex ring (10) is tightly attached to the convex ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067597.5U CN213206587U (en) | 2020-09-21 | 2020-09-21 | Hard sealing flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067597.5U CN213206587U (en) | 2020-09-21 | 2020-09-21 | Hard sealing flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213206587U true CN213206587U (en) | 2021-05-14 |
Family
ID=75821777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022067597.5U Active CN213206587U (en) | 2020-09-21 | 2020-09-21 | Hard sealing flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213206587U (en) |
-
2020
- 2020-09-21 CN CN202022067597.5U patent/CN213206587U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hard sealing flange butterfly valve Effective date of registration: 20220817 Granted publication date: 20210514 Pledgee: Zhejiang Wenzhou Longwan rural commercial bank Limited by Share Ltd. Yongxing branch Pledgor: Naiyi Valve Manufacturing Co.,Ltd. Registration number: Y2022330001810 |