CN210770301U - Soft sealing butterfly valve - Google Patents
Soft sealing butterfly valve Download PDFInfo
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- CN210770301U CN210770301U CN201921876698.8U CN201921876698U CN210770301U CN 210770301 U CN210770301 U CN 210770301U CN 201921876698 U CN201921876698 U CN 201921876698U CN 210770301 U CN210770301 U CN 210770301U
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Abstract
The utility model discloses a soft sealing butterfly valve, which comprises a valve body, a sealing ring and a worm gear mechanism, wherein a bracket and a lifting ring are arranged on the side wall of the valve body in a sliding way, the worm gear mechanism is arranged above the valve body, a rotating shaft is connected on the worm of the worm gear mechanism, the rotating shaft is hinged with a handle through a hinge ring, the sealing ring is fixedly arranged on the inner wall of the valve body, a valve rod is rotatably arranged in the valve body through a bearing, a valve plate is arranged on the valve rod, the valve plate is of a sandwich structure, sandwich plates are symmetrically arranged in an interlayer of the valve plate, the side wall of the sandwich plate, which is contacted with the sealing ring, is of an arc boss structure, a plurality of fixed columns are equidistantly arranged from top to bottom on the opposite surface of the sandwich plate, a spring is sleeved between the fixed columns at the, the sealing performance is good, the quality is reliable, the structure is simple, and the device is convenient and practical.
Description
Technical Field
The utility model relates to the technical field of valves, specifically a soft sealing butterfly valve.
Background
The butterfly plate of the soft seal butterfly valve is installed in the diameter direction of a pipeline, the disc-shaped butterfly plate rotates around the axis in a cylindrical channel of a butterfly valve body, the rotation angle is 0-90 degrees, when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a fully open state, the soft seal butterfly valve can be divided into a flange type soft seal butterfly valve, a clamp type soft seal butterfly valve and a welding type soft seal butterfly valve according to the connection mode.
The long-time use of the soft seal butterfly valve in the existing market can lead to sealed effect variation, when the fluid pressure of circulation is too big, causes the weeping phenomenon very easily, influences production, and life is short and soft seal butterfly valve installation adaptability is poor, can not satisfy different installation environment's actual demand.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model aims to provide a soft sealing butterfly valve to solve above-mentioned problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a soft seal butterfly valve comprises a valve body, a seal ring and a worm gear mechanism, wherein a support and a lifting ring are slidably mounted on the side wall of the valve body, the worm gear mechanism is arranged above the valve body, a rotating shaft is connected onto a worm of the worm gear mechanism, a handle is hinged to the rotating shaft through a hinge ring, the seal ring is fixedly mounted on the inner wall of the valve body, a valve rod is rotatably mounted in the valve body through a bearing, the upper end of the valve rod extends out of the valve body and is connected with an output shaft of the worm gear mechanism, a valve plate is arranged on the valve rod and is of a sandwich structure, sandwich plates are symmetrically arranged in an interlayer of the valve plate, the side wall of the sandwich plate, which is in contact with the seal ring, is of an arc-shaped boss structure, a plurality of fixing columns are equidistantly arranged from top to bottom on the opposite surface, the valve plate is vertically provided with guide plates at equal intervals from top to bottom, and the valve plate is provided with reinforcing ribs.
In one alternative: and a pressure detector is arranged on the valve body, and a detection head of the pressure detector extends into the sealing ring.
In one alternative: the support bottom hoop equidistance is equipped with the fixed orifices, is equipped with the fixed pin that is used for locating support and rings on the valve body.
In one alternative: the valve body is provided with bolt holes at equal intervals in the circumferential direction.
In one alternative: the handle is formed by sleeving two telescopic pipes, and a rubber soft sleeve is arranged on the handle.
In one alternative: be equipped with the boss on the sandwich panel, be equipped with on the valve plate inner wall with boss assorted spout.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
1. the liquid impact force can be greatly reduced by matching the sandwich plate with the guide plate, the service life of the device is prolonged, the sealing performance is good, the quality is reliable, the structure is simple, and the liquid impact force is convenient and practical;
2. the pressure detector is arranged, so that the pressure condition of circulating liquid can be detected in real time, people can use the pressure detector scientifically and safely, and the pressure detector is simple and effective.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a three-dimensional view of the outer valve plate, the sandwich plate and the guide plate in the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Notations for reference numerals: 1-valve body, 2-sealing ring, 3-lifting ring, 4-valve plate, 5-worm gear mechanism, 6-rotating shaft, 7-hinged ring, 8-handle, 9-sandwich plate, 10-guide plate, 11-support, 12-valve rod, 13-spring, 14-bearing and 15-pressure monitor.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.
Example 1
Referring to fig. 1 and 2, in an embodiment of the present invention, a soft seal butterfly valve includes a valve body 1, a seal ring 2 and a worm and gear mechanism 5, a support 11 and a ring 3 are slidably mounted on a side wall of the valve body 1, fixing holes are circumferentially and equidistantly formed at a bottom of the support 11, fixing pins for positioning the support 11 and the ring 3 are disposed on the valve body 1, no matter whether the device is vertically or horizontally mounted, the device can be conveniently assembled and fixed by adjusting positions of the support 11 and the ring 3, bolt holes are circumferentially and equidistantly formed on the valve body 1, the worm and gear mechanism 5 is disposed above the valve body 1, a rotating shaft 6 is connected to a worm of the worm and gear mechanism 5, a handle 8 is hinged to the rotating shaft 6 through a hinge ring 7, the handle 8 is formed by two telescopic pipe sleeves, a rubber soft sleeve is disposed on the handle 8, and the handle 8 can easily control opening or closing of, the inner wall of the valve body 1 is fixedly provided with a sealing ring 2, a valve rod 12 is rotatably arranged in the valve body 1 through a bearing 14, the upper end of the valve rod 12 extends out of the valve body 1 and is connected with an output shaft of a worm gear mechanism 5, the valve rod 12 is provided with a valve plate 4, the valve plate 4 is of a sandwich structure, the valve plate 4 and the valve rod 12 are welded and fixed, sandwich plates 9 are symmetrically arranged in a sandwich layer of the valve plate 4, the side wall of the valve plate 4 and the sandwich plate 9 are both in extrusion contact with the sealing ring 2, the side wall of the sandwich plate 9 in contact with the sealing ring 2 is of an arc boss structure, the opposite surface of the sandwich plate 9 is provided with a plurality of fixing columns at equal intervals from top to bottom, a spring 13 is sleeved between the fixing columns at the same position of the two sandwich plates 9, the spring 13 is a micro strong spring, the valve rod 12 is provided with a, the valve plate 4 is vertically provided with guide plates 10 at equal intervals from top to bottom, and the valve plate 4 is provided with reinforcing ribs; when the valve plate 4 is required to be closed, the handle 8 is rotated to reduce the impact force on the valve plate 4 caused by the liquid flow to a great extent by matching with the guide plate 10, so that the valve plate 4 and the sealing ring 2 are prevented from being damaged by impact, when the valve plate 4 is required to be closed, the handle 8 is rotated, the sandwich plate 9 moves towards the center of the valve plate 4 under the extrusion action of the sealing ring 2, the spring 13 is extruded and contracted, the sandwich plate 9 is abutted against the sealing ring 2 by the elastic force generated by the spring 13, the liquid can be better sealed, the practical application requirements are met, the quality is reliable, the service life is long, the structure is simple, and convenience and practicability are realized.
Example 2
Please refer to fig. 3, the embodiment of the present invention is different from embodiment 1 in that, further, in order to know the pressure condition of the circulating liquid, the valve body 1 is provided with a pressure detecting meter 15, a detecting head of the pressure detecting meter 15 extends into the sealing ring 2, the pressure detecting meter 15 can detect the pressure condition of the circulating liquid in real time, so that people can use scientifically and manage and control safely, and the present invention is simple and effective.
The utility model discloses a theory of operation is: when the utility model is used, firstly, horizontal installation or hanging installation is selected according to actual production environment, then the lifting ring 3 or the support 11 is adjusted to be assembled and fixed, the valve plate 4 can be controlled to be opened and closed by the handle 8, when the valve plate 4 is completely opened by rotating the handle 8, the sandwich plate 9 moves along the chute on the valve plate 4 under the action of the spring 13, the end part of the valve plate 4 is made into an arc structure by the sandwich plate 9, the circulating liquid can be effectively distributed, meanwhile, the guide plate 10 is matched to greatly reduce the impact force caused by the liquid flowing to the valve plate 4, the impact damage to the valve plate 4 and the sealing ring 2 is avoided, when the valve plate 4 needs to be closed, the handle 8 is rotated, the sandwich plate 9 moves towards the center of the valve plate 4 under the extrusion action of the sealing ring 2, the spring 13 is extruded and contracted, the spring 13 generates elastic force to support the sandwich plate 9 on the sealing ring 2, the liquid can be better sealed, the practical application requirement is met, the quality is reliable, the service life is long, the structure is simple, and the liquid sealing device is convenient and practical.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (6)
1. A soft seal butterfly valve comprises a valve body (1), a seal ring (2) and a worm and gear mechanism (5), and is characterized in that a support (11) and a lifting ring (3) are slidably mounted on the side wall of the valve body (1), the worm and gear mechanism (5) is arranged above the valve body (1), a rotating shaft (6) is connected onto a worm of the worm and gear mechanism (5), a handle (8) is hinged to the rotating shaft (6) through a hinge ring (7), the seal ring (2) is fixedly mounted on the inner wall of the valve body (1), a valve rod (12) is rotatably mounted in the valve body (1) through a bearing (14), the upper end of the valve rod (12) extends out of the valve body (1) and is connected with an output shaft of the worm and gear mechanism (5), a valve plate (4) is arranged on the valve rod (12), the valve plate (4) is of an interlayer structure, and, sandwich panel (9) are arc boss structure with the lateral wall of sealing washer (2) contact, be equipped with many fixed columns by last equidistant down on the opposite face of sandwich panel (9), the cover is equipped with spring (13) between the fixed column of two sandwich panel (9) same positions, be equipped with the logical groove that supplies sandwich panel (9) motion on valve rod (12), sandwich panel (9) and valve plate (4) sliding connection, valve plate (4) are equipped with guide plate (10) by last equidistant down perpendicularly, be equipped with the strengthening rib on valve plate (4).
2. The flexible seal butterfly valve according to claim 1, characterized in that the valve body (1) is provided with a pressure gauge (15), the probe of the pressure gauge (15) extending into the sealing ring (2).
3. The flexible sealing butterfly valve according to claim 1, characterized in that the bottom of the support (11) is provided with fixing holes circumferentially and equidistantly, and the valve body (1) is provided with fixing pins for positioning the support (11) and the lifting ring (3).
4. The soft seal butterfly valve according to claim 1, characterized in that bolt holes are provided on the valve body (1) at equal distances circumferentially.
5. The soft seal butterfly valve according to claim 1, characterized in that the handle (8) is made up of two telescopic tube sleeves, and a rubber soft sleeve is provided on the handle (8).
6. The soft seal butterfly valve according to any one of claims 1 to 5, wherein a boss is provided on the sandwich plate (9), and a sliding groove matched with the boss is provided on the inner wall of the valve plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921876698.8U CN210770301U (en) | 2019-11-04 | 2019-11-04 | Soft sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921876698.8U CN210770301U (en) | 2019-11-04 | 2019-11-04 | Soft sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770301U true CN210770301U (en) | 2020-06-16 |
Family
ID=71060719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921876698.8U Active CN210770301U (en) | 2019-11-04 | 2019-11-04 | Soft sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770301U (en) |
-
2019
- 2019-11-04 CN CN201921876698.8U patent/CN210770301U/en active Active
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