CN209990923U - Small butterfly valve - Google Patents
Small butterfly valve Download PDFInfo
- Publication number
- CN209990923U CN209990923U CN201920290966.1U CN201920290966U CN209990923U CN 209990923 U CN209990923 U CN 209990923U CN 201920290966 U CN201920290966 U CN 201920290966U CN 209990923 U CN209990923 U CN 209990923U
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- ring
- valve plate
- valve
- butterfly valve
- belt
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- Expired - Fee Related
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Abstract
The utility model provides a small butterfly valve, which comprises an inner ring and an outer ring, wherein the inner ring comprises a metal ring layer and a belt ring; when using, it is just right to the through-hole setting of inner circle to revolve wrong valve plate through valve body control assembly drive valve plate earlier, at this moment, the rotating swing rod, revolve soon gradually toward conical connecting end with conical hollow cover, connect the end with two halves and progressively screw up, the metal ring layer drives the belt pulley and wraps up in to the valve plate outer lane gradually this moment, wrap up the valve plate outer lane completely until the belt pulley, under the condition of long-term use, even slight deformation takes place for the valve plate, perhaps slight deformation takes place for the belt pulley, under the drive on metal ring layer, can realize wrapping up again tightly sealedly, the life of butterfly valve has been prolonged.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a smart small butterfly valve.
Background
At present, the butterfly valve applied to the ventilation pipeline generally comprises two parts, namely a butterfly valve main body and a valve plate main body, wherein the valve plate main body is positioned inside the butterfly valve main body, the valve plate is installed on the butterfly valve main body through a plug and is fixed through a nut, and then the movement of the valve plate is controlled through a handle, so that the valve plate is opened and closed. The main part and the valve plate of the ordinary butterfly valve applied to the ventilation pipeline are both made of rigid plastics, the inner side wall of the main part of the butterfly valve is provided with a circle of protruding parts under normal conditions, when the valve plate main body is closed under the control of the handle, the edge of the valve plate main body can be blocked by the circle of protruding parts inside the butterfly valve main body, so that the butterfly valve main body and the valve plate main body are closed, and wind in the ventilation pipeline can not flow any more. If the edge of the valve plate main body is not flat, the valve plate main body is concave-convex; or the round of convex part inside the butterfly valve main body is uneven and has concave-convex parts, so that the butterfly valve main body and the valve plate main body cannot be closed together, and the air leakage phenomenon in the ventilation pipeline can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seal valve is effectual, convenient to use's smart small butterfly valve.
In order to achieve the purpose, the utility model provides a small butterfly valve, which comprises a butterfly valve main body, a valve plate control assembly and a valve body control assembly;
the valve plate main body comprises an inner ring and an outer ring; the outer ring wraps the inner ring, the outer ring is connected with the inner ring through a side wall, and a cavity is formed between the inner ring and the outer ring; the valve plate is arranged in the inner ring; and the outer diameter of the valve plate is smaller than the inner diameter of the inner ring; the valve plate is connected with the valve plate control assembly; the valve plate control assembly controls the valve plate to rotate;
the inner ring comprises a metal ring layer and a belt ring; the belt ring is connected with the side wall of the outer ring through the side wall; the metal ring layer is wrapped on the outer surface of the belt ring; the metal ring layer is formed by bending a metal strip in a circular shape; connecting end heads are arranged at two ends of the metal strip; the connecting end is a semi-conical connecting end; the two connecting ends at the two ends of the metal strip are mutually matched to form a conical connecting end, and the outer ring of each connecting end is provided with an external thread;
the valve body control assembly comprises a rotary rod and a conical hollow sleeve; an internal thread matched with the external thread is arranged in the conical hollow sleeve; the hollow sleeve is sleeved on the conical connecting end through the matching of the internal thread and the external thread; one end of the rotating rod is connected with the conical connecting end; the other end of the rotary rod penetrates through the outer ring and extends out of the butterfly valve main body.
Preferably, the valve plate control assembly comprises a screw and a knob; the outer ring, the metal ring layer and the belt ring are all provided with upper through holes; the outer ring, the metal ring layer and the belt ring are all provided with lower through holes corresponding to the upper through holes; the back of the valve plate is provided with a through hole; one end of the screw rod penetrates through the upper through hole and the through hole and penetrates into the lower through hole; the other end of the screw rod is connected with a handle arranged outside the butterfly valve main body.
Preferably, sealing gaskets are arranged between the screw and the connecting walls of the outer ring and the through holes of the metal ring layer.
Preferably, the conical hollow sleeve and the connecting end are arranged in the cavity.
Preferably, the diameter of the valve plate is 110mm-315 mm.
Preferably, the connecting end of the side wall and the belt ring is provided with a tabling groove; the side wall of the belt ring is embedded in the embedding groove; and melting the belt loop in the fitting groove, and fastening and connecting the belt loop by a fastener such as a stud
Compared with the prior art, the utility model has the advantages that: the butterfly valve of the utility model comprises an inner ring and an outer ring, wherein the inner ring comprises a metal ring layer and a belt ring; when using, it is just right to the through-hole setting of inner circle to revolve wrong valve plate through valve body control assembly drive valve plate earlier, at this moment, the rotating swing rod, revolve soon gradually toward conical connecting end with conical hollow cover, connect the end with two halves and progressively screw up, the metal ring layer drives the belt pulley and wraps up in to the valve plate outer lane gradually this moment, wrap up the valve plate outer lane completely until the belt pulley, under the condition of long-term use, even slight deformation takes place for the valve plate, perhaps slight deformation takes place for the belt pulley, under the drive on metal ring layer, can realize wrapping up again tightly sealedly, the life of butterfly valve has been prolonged.
Drawings
Fig. 1 is a schematic view of an overall structure of a small butterfly valve according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be further described below.
As shown in fig. 1, the utility model provides a small butterfly valve, which comprises a butterfly valve body 1, a valve plate 2, a valve plate control component 3 and a valve body control component 4;
the valve plate 2 main body comprises an inner ring 21 and an outer ring 22; the outer ring 22 wraps the inner ring 21, the outer ring 22 is connected with the inner ring 21 through the side wall, and a cavity is formed between the inner ring 21 and the outer ring 22; the valve plate 2 is arranged in the inner ring 21; and the outer diameter of the valve plate 2 is smaller than the inner diameter of the inner ring 21; the valve plate 2 is connected with the valve plate control component 3; the valve plate control component 3 controls the valve plate 2 to rotate;
the inner ring 21 comprises a metal ring layer 211 and a belt ring 212; the belt ring 212 is connected with the side wall of the outer ring 22 through the side wall; the metal ring layer 211 is wrapped on the outer surface of the belt ring 212; the metal ring layer 211 is formed by bending a metal strip in a circular shape; both ends of the metal strip are provided with connecting end heads 5; the connecting end 5 is a semi-conical connecting end 5; two connecting ends 5 at two ends of the metal strip are mutually matched to form a conical connecting end 6, and outer rings 22 of the connecting ends 5 are provided with external threads;
the valve body control assembly 4 comprises a rotary rod 41 and a conical hollow sleeve 42; the conical hollow sleeve 42 is internally provided with an internal thread matched with the external thread; the hollow sleeve 42 is screwed on the conical connecting end 6 through the matching of the internal thread and the external thread; one end of the rotary rod 41 is connected with the conical connecting end 6; the other end of the lever 41 penetrates the outer ring 22 and extends to the outside of the butterfly valve body 1.
In the present embodiment, the valve plate control assembly 3 includes a screw 31 and a knob 32; the outer ring 22, the metal ring layer 211 and the belt ring 212 are all provided with upper through holes; the outer ring 22, the metal ring layer 211 and the belt ring 212 are all provided with lower through holes corresponding to the upper through holes; the back of the valve plate 2 is provided with a through hole; one end of the screw rod 31 penetrates through the upper through hole and the through hole and penetrates into the lower through hole; the other end of the screw 31 is connected with a handle arranged outside the butterfly valve main body 1, and an operator rotates the rotary handle 32 to drive the valve plate 2 to rotate through the screw 31, so as to control the opening and closing of the valve.
In this embodiment, a sealing gasket is disposed between the screw 31 and the connecting wall of the through hole of the outer ring 22 and the metal ring layer 211.
In this embodiment, the conical hollow sleeve 42 and the connection tip 5 are both disposed within the cavity.
In the present embodiment, the diameter of the valve plate 2 is 110mm to 315 mm.
In this embodiment, the connecting end of the side wall and the belt loop 212 is provided with a fitting groove; the side wall of the belt ring 212 is embedded in the embedding groove; the belt loop 212 is fused in the fitting groove and is fastened and connected by a fastener such as a stud
In this embodiment, the butterfly valve of the present invention includes an inner ring 21 and an outer ring 22, where the inner ring 21 includes a metal ring layer 211 and a belt ring 212; when using, it is just to the through-hole setting of inner circle 21 to twist valve plate 2 soon to drive valve plate 2 through valve body control assembly 4 earlier, at this moment, rotating swing rod 41, twist conical hollow cover 42 gradually toward conical connection end 6 and twist, connect end 5 with two halves and progressively tighten, metal ring layer 211 drives belt circle 212 and wraps up in to valve plate 2 outer lane 22 gradually this moment, until belt circle 212 wraps up valve plate 2 outer lane 22 completely, under the condition of long-term use, even valve plate 2 takes place slight deformation, perhaps belt circle 212 takes place slight deformation, under the drive of metal ring layer 211, can realize wrapping up in tight sealed again, the life of butterfly valve has been prolonged
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.
Claims (6)
1. A small butterfly valve is characterized by comprising a butterfly valve main body, a valve plate control assembly and a valve body control assembly;
the valve plate main body comprises an inner ring and an outer ring; the outer ring wraps the inner ring, the outer ring is connected with the inner ring through a side wall, and a cavity is formed between the inner ring and the outer ring; the valve plate is arranged in the inner ring; and the outer diameter of the valve plate is smaller than the inner diameter of the inner ring; the valve plate is connected with the valve plate control assembly; the valve plate control assembly controls the valve plate to rotate;
the inner ring comprises a metal ring layer and a belt ring; the belt ring is connected with the side wall of the outer ring through the side wall; the metal ring layer is wrapped on the outer surface of the belt ring; the metal ring layer is formed by bending a metal strip in a circular shape; connecting end heads are arranged at two ends of the metal strip; the connecting end is a semi-conical connecting end; the two connecting ends at the two ends of the metal strip are mutually matched to form a conical connecting end, and the outer ring of each connecting end is provided with an external thread;
the valve body control assembly comprises a rotary rod and a conical hollow sleeve; an internal thread matched with the external thread is arranged in the conical hollow sleeve; the hollow sleeve is sleeved on the conical connecting end through the matching of the internal thread and the external thread; one end of the rotating rod is connected with the conical connecting end; the other end of the rotary rod penetrates through the outer ring and extends out of the butterfly valve main body.
2. The fine butterfly valve of claim 1 wherein the valve plate control assembly comprises a screw and a knob; the outer ring, the metal ring layer and the belt ring are all provided with upper through holes; the outer ring, the metal ring layer and the belt ring are all provided with lower through holes corresponding to the upper through holes; the back of the valve plate is provided with a through hole; one end of the screw rod penetrates through the upper through hole and the through hole and penetrates into the lower through hole; the other end of the screw rod is connected with a handle arranged outside the butterfly valve main body.
3. The fine butterfly valve according to claim 2, wherein a sealing gasket is provided between the screw and the connection wall of the outer ring and the through hole of the metal ring layer.
4. The butterfly valve of claim 1, wherein the conical hollow sleeve and the connection end are disposed within the cavity.
5. The fine butterfly valve of claim 1 wherein the valve plate has a diameter of 110mm to 315 mm.
6. The butterfly valve of claim 1, wherein a fitting groove is formed at a connection end of the side wall and the belt ring; the side wall of the belt ring is embedded in the embedding groove; and the belt loop is fused in the embedding groove and is fastened and connected through a fastening piece such as a stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290966.1U CN209990923U (en) | 2019-03-07 | 2019-03-07 | Small butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290966.1U CN209990923U (en) | 2019-03-07 | 2019-03-07 | Small butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990923U true CN209990923U (en) | 2020-01-24 |
Family
ID=69288981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920290966.1U Expired - Fee Related CN209990923U (en) | 2019-03-07 | 2019-03-07 | Small butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990923U (en) |
-
2019
- 2019-03-07 CN CN201920290966.1U patent/CN209990923U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |