CN219452910U - Special signal butterfly valve for fire control - Google Patents
Special signal butterfly valve for fire control Download PDFInfo
- Publication number
- CN219452910U CN219452910U CN202321662962.4U CN202321662962U CN219452910U CN 219452910 U CN219452910 U CN 219452910U CN 202321662962 U CN202321662962 U CN 202321662962U CN 219452910 U CN219452910 U CN 219452910U
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- Prior art keywords
- valve
- rubber sleeve
- plate
- plate body
- butterfly valve
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- 238000007789 sealing Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the field of valves, in particular to a special signal butterfly valve for fire protection, which structurally comprises a valve plate in a valve body and an electric actuator outside the valve body, wherein a valve plate body is connected with the electric actuator through a valve rod, elastic rubber sleeves are nested on the valve plate body, the distance between the top end and the bottom end of the valve plate body is smaller than the diameter of an inner hole of the valve body, elastic strips are arranged between the edges of two sides of the valve plate body and the rubber sleeves.
Description
Technical Field
The utility model relates to the field of valves, in particular to a special signal butterfly valve for fire protection.
Background
The signal butterfly valve is widely applied to various pipelines of water supply and drainage, building fire protection and other systems, and particularly in a fire-fighting pipeline, the electric actuator is matched with a mechanical butterfly valve to be used in a use mode of the electric butterfly valve with signal control commonly used in the prior market, a rotating shaft in the electric actuator is connected with a worm of a turbine box, then a valve body of the butterfly valve is arranged on the pipeline, and the electric actuator receives a control signal and drives a valve clack to rotate through the turbine box, so that the valve is opened or closed.
The sealing performance of a common butterfly valve is generally poor, and the sealing performance is particularly embodied on the matching degree of the edge of a metal valve plate and the inner wall of the valve body, so that the valve plate wrapped with a rubber waterproof layer is usually adopted in the prior art to be matched with the metal valve body for use, or the valve body with a rubber layer is adopted to be matched with the metal valve plate for use, so that the waterproof performance is enhanced.
Disclosure of Invention
The utility model provides a special signal butterfly valve for fire control, which structurally comprises a valve plate arranged in a valve body and an electric actuator arranged outside the valve body, wherein the plate body of the valve plate is connected with the electric actuator through a valve rod, a rubber sleeve with elasticity is nested on the plate body, the distance between the top end and the bottom end of the plate body is smaller than the diameter of an inner hole of the valve body, and elastic strips are arranged between the edges of two sides of the plate body and the rubber sleeve.
Further, the distance between the top end and the bottom end of the rubber sleeve nested on the plate body is smaller than the diameter of the inner hole of the valve body, and the distance between the left end and the right end of the rubber sleeve nested on the plate body is larger than the diameter of the inner hole of the valve body.
Further, the spring strip is provided with end pieces in the areas with the valve rods at the top end and the bottom end of the valve plate, the two ends of the spring strip are detachably and fixedly connected with the end pieces, and the end pieces are positioned between the top end and the bottom end of the plate body and the rubber sleeve.
Further, the elastic strip is in a bent shape, the bent section in the middle is set as a pressed section, and two sides are set as movable sections; and a space exists between the inner side of the pressed section and the edge of the plate body, and parts which are in close contact with the plate body are arranged on the movable sections on the two sides.
Further, the compression section keeps the freedom of moving in the direction of the central axis of the valve plate in the rubber sleeve under the limit of the rubber sleeve, or the compression section is in sliding connection with the edge of the plate body and keeps the freedom of moving in the direction of the central axis of the valve plate.
Further, the supporting force of the elastic strip is larger than the elastic force of the rubber sleeve.
Further, the inner side of the pressed section is in clearance fit with the edge of the plate body, and the top end and the bottom end of the rubber sleeve in the non-working state of the movable section are in clearance fit with the inner wall of the valve body.
Further, the top end and the bottom end of the rubber sleeve are provided with a margin of stretching deformation.
Further, the nested opening of the rubber sleeve is in sealing connection with the valve plate; the sealing cover is pressed at the nesting opening of the rubber sleeve and is detachably fixed on the valve plate.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the elastic strip and the end piece are arranged between the valve plate and the rubber sleeve on the valve plate, the elastic strip is ejected to the two sides to enable gaps exist between the inner side of the pressed section and the plate body in the state that the valve plate is opened and the two sides of the valve plate are not contacted with the inner wall of the valve body, the two sides of the movable section and the end piece are attached to the plate body, at the moment, the rubber sleeve is contracted into the plate body to enable gaps to be left between the top end and the bottom end of the rubber sleeve and the inner wall of the valve body, so that the rubber material is prevented from being subjected to larger friction and abrasion after restarting after long-time attaching contact, and when water flow is further regulated, as long as the two sides of the valve plate are not contacted with the inner wall of the valve body, the top end and the bottom end of the rubber sleeve are not contacted with the inner wall of the valve body, and long-term adjustment of the water flow size is prevented from influencing the service life of the rubber sleeve due to friction of the valve plate.
Drawings
FIG. 1 is a schematic diagram of the structure of the signal butterfly valve special for fire control of the present utility model.
Fig. 2 is a schematic front cross-sectional view of a valve plate of the special fire control signal butterfly valve of the utility model.
FIG. 3 is a three-dimensional structural exploded view of the signal butterfly valve special for fire control of the present utility model.
In the figure: 1. an electric actuator; 2. a valve body; 3. a valve plate; 31. a plate body; 32. a valve stem; 33. spring strips; 34. an end piece; 35. a rubber sleeve; 36. a cover; 33a, a compression section; 33b, active segment.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
Examples: as shown in fig. 1-3, the utility model provides a special signal butterfly valve for fire protection, which structurally comprises a valve plate 3 arranged in a valve body 2 and an electric actuator 1 arranged outside the valve body 2, wherein a plate body 31 of the valve plate 3 is connected with the electric actuator 1 through a valve rod 32, a reduction gearbox is arranged on the electric actuator 1 to be connected with the valve rod 32, and an elastic rubber sleeve 35 is nested on the plate body 31 in the valve body 2, and the rubber sleeve 35 is used for propping against the inner wall of the valve body 2 so as to obtain a sealing water blocking effect.
In this embodiment, the distance between the top end and the bottom end of the plate 31 is smaller than the diameter of the inner hole of the valve body 2, the distance between the top end and the bottom end of the rubber sleeve 35 nested on the plate 31 is smaller than the diameter of the inner hole of the valve body 2, the distance between the left end and the right end of the rubber sleeve 35 nested on the plate 31 is larger than the diameter of the inner hole of the valve body 2, and the valve plate 3 can be in an elliptical shape with two narrow sides or a specific lantern section shape, so that the rubber sleeve 35 coated on the valve plate 3 is also attached to the shape, and a distance exists between the top end and the bottom end of the rubber sleeve 35 and the inner wall of the valve body 2.
In order to make such valve plate 3 and gum cover 35 work normally, elastic strips 33 are arranged between the edges of both sides of the plate body 31 and the gum cover 35, end pieces 34 are arranged in the areas of the elastic strips 33 with valve rods 32 at the top end and the bottom end of the valve plate 3, both ends of the elastic strips 33 are detachably and fixedly connected with the end pieces 34, the end pieces 34 are positioned between the top end and the bottom end of the plate body 31 and the gum cover 35, moreover, the supporting force of the elastic strips 33 is larger than the elastic force of the gum cover 35, and the top end and the bottom end of the gum cover 35 have the allowance of stretching deformation.
Specifically, the elastic strip 33 is curved, the curved section in the middle is set as a pressed section 33a, and two sides are set as movable sections 33b, and a space exists between the inner side of the pressed section 33a and the edge of the plate 31, so that the pressed section 33a with the curved protrusion can be pressed and moved, and the movable sections 33b on the two sides have a part in contact with the plate 31.
Alternatively, the compression section 33a is retained in the rubber sleeve 35 under the restriction of the rubber sleeve 35 in the direction of the central axis of the valve plate 3, or the compression section 33a is slidably connected to the edge of the valve plate 3 in the direction of the central axis of the valve plate 3, and the former is used in the present embodiment.
In this embodiment, the inner side of the compression section 33a is in clearance fit with the edge of the plate 31, and the top and bottom ends of the rubber sleeve 35 in the non-working state of the movable section 33b are in clearance fit with the inner wall of the valve body 2, so that the overall deformation is reduced, and only the top and bottom ends of the rubber sleeve 35 and the inner wall of the valve body 2 are required to be spaced when the valve plate 3 is opened, thereby avoiding long-time attaching contact and continuous on-off friction.
In the specific implementation, the rubber sleeve 35 is nested on the upper plate body 31 through an open nesting opening, then the upper sealing cover 36 is pressed between the nesting opening and the plate body 31, and is detachably fixed on the plate body 31 through screws for sealing connection, then the valve rod 32 is installed and assembled in the valve body 2, and then the valve rod is installed on a special fire-fighting pipeline, the electric actuator 1 is used for controlling the opening and closing of the valve rod, in the state that the valve plate 3 is opened and the two sides of the valve plate 3 are not contacted with the inner wall of the valve body 2, the elastic strip 33 is ejected to the two sides, a gap exists between the inner side of the compression section 33a and the plate body 31, the two sides of the movable section 33b and the end piece 34 are attached to the plate body 31, at the moment, the top end and the bottom end of the rubber sleeve 35 are spaced from being in contact with the inner wall of the valve body 2 for a long time, and when water flow is further regulated, the top end and the bottom of the rubber sleeve 35 are not contacted with the inner wall of the valve body 2, and the long-time friction of the switch is prevented from affecting the service life of the rubber sleeve 35 at the position;
when the valve plate 3 needs to be closed, two sides of the valve plate 3 are contacted with the valve body 2 and continuously extruded until the valve plate 3 is closed, the extruded pressed sections 33a prop the movable sections 33b on two sides, the movable sections 33b and the end pieces 34 are driven to prop up the inner wall of the valve body 2 in the rubber sleeve 35, and the rubber sleeve 35 propped against the inner wall of the valve body 2 can be supported by the supporting force of the elastic strip 33 due to small integral deformation, so that sealing connection is performed.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
Claims (9)
1. The utility model provides a special signal butterfly valve of fire control, its structure is including installing the valve plate in the valve body and installing the electric actuator outside the valve body, be connected through the valve rod between the plate body of valve plate and the electric actuator, its characterized in that: the elastic rubber sleeve is nested on the plate body, and the distance between the top end and the bottom end of the plate body is smaller than the diameter of the inner hole of the valve body;
elastic strips are arranged between the edges of the two sides of the plate body and the rubber sleeve.
2. The fire protection special purpose signal butterfly valve of claim 1, wherein: the distance between the top end and the bottom end of the rubber sleeve nested on the plate body is smaller than the diameter of the inner hole of the valve body, and the distance between the left end and the right end of the rubber sleeve nested on the plate body is larger than the diameter of the inner hole of the valve body.
3. The fire protection special purpose signal butterfly valve of claim 2, wherein: the area that the bullet strip has the valve rod in valve plate top and bottom is equipped with the end piece, the both ends and the end piece of bullet strip can dismantle fixed connection, the end piece is located between plate body top and bottom and the gum cover.
4. A fire protection special purpose signal butterfly valve according to claim 3, wherein: the elastic strip is in a bent shape, the bent section in the middle is set as a pressed section, and the two sides are set as movable sections;
and a space exists between the inner side of the pressed section and the edge of the plate body, and parts which are in close contact with the plate body are arranged on the movable sections on the two sides.
5. The fire protection special purpose signal butterfly valve of claim 4, wherein: the pressed section keeps the freedom degree of movement in the direction of the central axis of the valve plate in the rubber sleeve under the limit of the rubber sleeve;
or the compression section is in sliding connection with the edge of the plate body, and the freedom degree of movement in the direction of the central axis of the valve plate is reserved.
6. The fire protection special purpose signal butterfly valve of claim 4, wherein: the supporting force of the elastic strip is larger than the elastic force of the rubber sleeve.
7. The fire protection special purpose signal butterfly valve of claim 6, wherein: the inner side of the pressed section is in clearance fit with the edge of the plate body, and the top end and the bottom end of the rubber sleeve in the non-working state of the movable section are in clearance fit with the inner wall of the valve body.
8. The fire protection special purpose signal butterfly valve of claim 5, wherein: the top end and the bottom end of the rubber sleeve are provided with a margin of stretching deformation.
9. The fire protection special purpose signal butterfly valve of claim 5, wherein: the nested opening of the rubber sleeve is in sealing connection with the valve plate;
the sealing cover is pressed at the nesting opening of the rubber sleeve and is detachably fixed on the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321662962.4U CN219452910U (en) | 2023-06-28 | 2023-06-28 | Special signal butterfly valve for fire control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321662962.4U CN219452910U (en) | 2023-06-28 | 2023-06-28 | Special signal butterfly valve for fire control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219452910U true CN219452910U (en) | 2023-08-01 |
Family
ID=87413801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321662962.4U Active CN219452910U (en) | 2023-06-28 | 2023-06-28 | Special signal butterfly valve for fire control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219452910U (en) |
-
2023
- 2023-06-28 CN CN202321662962.4U patent/CN219452910U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |