CN211649090U - Novel ventilation butterfly valve - Google Patents
Novel ventilation butterfly valve Download PDFInfo
- Publication number
- CN211649090U CN211649090U CN202020045019.9U CN202020045019U CN211649090U CN 211649090 U CN211649090 U CN 211649090U CN 202020045019 U CN202020045019 U CN 202020045019U CN 211649090 U CN211649090 U CN 211649090U
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- valve
- dish board
- decompression
- air pipe
- wind
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Abstract
The utility model discloses a novel ventilation butterfly valve, which comprises a valve body, the downside of valve body shaping has the air pipe of horizontal setting, the intermediate position upside shaping of valve body has two spacing collars that separate the setting, form three-way pipeline between collar and the air pipe, the top of collar all corresponds and has the valve gap through screw demountable installation, be equipped with decompression dish board and separate wind dish board in the air pipe, decompression dish board and separate wind dish board all are the shape of disc, the shaping has a plurality of bleeder vents on the decompression dish board, the intermediate position department shaping of valve gap has the through-hole, correspond the normal running fit in the through-hole and install the valve rod, the valve rod that is located left drives the rotation of decompression dish board and realizes the decompression to air pipe, the valve rod that is located right side drives the rotation of separate wind dish board and realizes the opening; the wind current realizes opening and closing through the pressure reduction dish board earlier through the air partition dish board for the pressure of wind current obtains the decompression buffering at the moment that the air partition dish board opened or closed, thereby improves the life of air partition dish board.
Description
Technical Field
The utility model belongs to the technical field of the butterfly valve technique and specifically relates to a novel ventilation butterfly valve is related to.
Background
The ventilation butterfly valve is applied to dust-containing cold air or hot air gas pipelines of ventilation and environmental protection projects in the industries of chemical engineering, building materials, power stations, glass and the like, and is used as a pipeline control device for regulating the flow or cutting off a gas medium. The valve of this type should be generally installed horizontally in the pipeline.
However, the ventilation butterfly valve on the market is that single dish board realizes opening and close the wind current in the pipeline, because some occasions need the very high wind current of use pressure, single dish board can't reduce pressure to the wind current, and the dish board is opening or the pressure that bears in the twinkling of an eye of closing is very big, leads to the dish board to receive the pressure easily and produces deformation, and the dish board after the deformation can seriously influence the use, leads to the life of ventilation butterfly valve shorter.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.
The utility model provides a novel ventilation butterfly valve, which comprises a valve body, the downside shaping of valve body has the air pipe of horizontal setting, the intermediate position upside shaping of valve body has two to separate the position circle that sets up, form the tee bend pipeline between position circle and the air pipe, the top of position circle all corresponds there is the valve gap through screw demountable installation, be equipped with decompression dish board and separate wind dish board in the air pipe, decompression dish board and separate wind dish board all are the disc shape, the shaping has a plurality of bleeder vents on the decompression dish board, the intermediate position department shaping of valve gap has the through-hole, it installs the valve rod to correspond normal running fit in the through-hole, it drives the rotatory decompression of realizing air pipe of decompression dish board to be located left valve rod, the valve rod that is located the right side drives and separates the rotatory.
Compared with the prior art, the beneficial effects of the utility model are that: the air current lets in from air pipe's left end, one of them valve rod drives the decompression dish board and opens and close in air pipe, the bleeder vent air feed on the decompression dish board flows and passes through, realize reducing the wind pressure that the wind flows, another valve rod drives the wind separation dish board and opens and close the realization in air pipe and open or close the wind flow in the air pipe, the wind flow is earlier realized opening and close through the wind separation dish board through the decompression dish board again, make the pressure that the wind flows obtain the decompression buffering in the twinkling of an eye that the wind separation dish board was opened or was closed, thereby improve the life of wind separation dish board.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic sectional structure of the present invention.
Shown in the figure: 1. a valve body; 2. a ventilation duct; 3. positioning rings; 4. a valve cover; 5. a pressure reducing disc; 6. a wind-proof disc plate; 7. air holes are formed; 8. a through hole; 9. a valve stem; 10. a sprocket; 11. a chain; 12. a seal ring; 13. a flange; 14. the handle is rotated.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.
Referring to fig. 1, a novel ventilation butterfly valve comprises a valve body 1, a ventilation pipeline 2 transversely arranged is formed on the lower side of the valve body 1, two positioning rings 3 arranged at intervals are formed on the upper side of the middle position of the valve body 1, a three-way pipeline is formed between the positioning rings 3 and the ventilation pipeline 2, valve covers 4 are detachably mounted above the positioning rings 3 through screws correspondingly, pressure reduction disks 5 and air separation disks 6 are arranged in the ventilation pipeline 2, the pressure reduction disks 5 and the air separation disks 6 are both in a disc shape, a plurality of air holes 7 are formed in the pressure reduction disks 5, through holes 8 are formed in the middle position of the valve covers 4, valve rods 9 are rotatably mounted in the through holes 8 correspondingly, the pressure reduction disks 5 are driven by the valve rods 9 on the left side to rotate to reduce the pressure of the ventilation pipeline 2, and the air separation disks 6 are driven by the valve rods 9 on the right side to rotate to open; the principle is as follows: the air current lets in from air pipe 2's left end, one of them valve rod 9 drives decompression dish board 5 and opens and close in air pipe 2, the bleeder vent air feed stream on the decompression dish board 5 passes through, the realization reduces the wind pressure that the air current flows, another valve rod 9 drives and separates wind dish board 6 and open and close the realization in air pipe 2 and open or close the air current in air pipe 2, the air current passes through decompression dish board 5 rethread earlier and separates wind dish board 6 and realize opening and close, make the pressure that the air current flows obtain the decompression buffering in the twinkling of an eye that separates wind dish board 6 and open or close, thereby improve the life of separating wind dish board 6.
As a further aspect of the present invention: the upper ends of the two valve rods 9 are correspondingly communicated with the through holes 8 of the valve covers 4 and fixedly connected with chain wheels 10, chains 11 meshed with the two chain wheels 10 in tight fit are further arranged, and a rotating handle 14 is fixedly arranged above the chain wheel 10 of one valve rod 9; so that the two valve rods 9 realize synchronous motion, and the pressure reducing disc 5 and the air isolating disc 6 are synchronously opened or closed; rotation of the handle 14 enables manual rotation of the valve stem 9.
As a further aspect of the present invention: the rotary handle 14 is fixedly arranged on the valve rod 9 which correspondingly drives the wind-isolating disc plate 6; the wind-isolating disc plate 6 can not be opened or closed due to the damage of the chain wheel 10 or the chain 11.
As a further aspect of the present invention: a plurality of air holes 7 are uniformly distributed and formed on the two side surfaces of the pressure reducing disc plate 5; so that the pressure reduction of the pressure reduction disc plate 5 to the wind flow is more uniform and stable.
As a further aspect of the present invention: a sealing ring 12 is correspondingly and fixedly connected between the positioning ring 3 and the valve cover 4; and the air flow is prevented from overflowing from the matching gap between the positioning ring 3 and the valve cover 4.
As a further aspect of the present invention: the end parts of the left end and the right end of the ventilating duct 2 at the lower side of the valve body 1 are correspondingly welded and hermetically connected with flanges 13; the valve body 1 is convenient for operators to install.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a novel ventilation butterfly valve, includes the valve body, its characterized in that: the downside shaping of valve body has the air pipe of horizontal setting, the intermediate position upside shaping of valve body has two and separates the position circle that sets up, form the tee bend pipeline between position circle and the air pipe, the top of position circle all corresponds there is the valve gap through screw demountable installation, be equipped with the decompression dish board in the air pipe and separate the wind dish board, decompression dish board all is the disc shape with separating the wind dish board, the shaping has a plurality of bleeder vents on the decompression dish board, the intermediate position department shaping of valve gap has the through-hole, it installs the valve rod to correspond normal running fit in the through-hole, it realizes the decompression to air pipe to be located the rotatory realization of left valve rod drive decompression dish board, the valve rod that is located the right side drives the rotatory realization of separating the.
2. A novel ventilation butterfly valve in accordance with claim 1, wherein: the upper ends of the two valve rods correspond to the through holes which lead to the valve covers, the chain wheels are fixedly connected with the upper ends of the two valve rods, the chain wheels are meshed with the chain wheels in a tight fit mode, and a rotating handle is fixedly mounted above the chain wheel of one valve rod.
3. A novel ventilation butterfly valve in accordance with claim 2, wherein: the rotary handle is fixedly arranged on the valve rod which correspondingly drives the wind isolating disc plate.
4. A novel ventilation butterfly valve in accordance with claim 1, wherein: a plurality of air holes are uniformly distributed on the two side surfaces of the pressure reducing disc plate.
5. A novel ventilation butterfly valve in accordance with claim 1, wherein: and sealing rings are correspondingly and fixedly connected between the positioning rings and the valve cover.
6. A novel ventilation butterfly valve in accordance with claim 1, wherein: the end parts of the left end and the right end of the ventilating duct on the lower side of the valve body are correspondingly welded and sealed with flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045019.9U CN211649090U (en) | 2020-01-10 | 2020-01-10 | Novel ventilation butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045019.9U CN211649090U (en) | 2020-01-10 | 2020-01-10 | Novel ventilation butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211649090U true CN211649090U (en) | 2020-10-09 |
Family
ID=72704439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045019.9U Active CN211649090U (en) | 2020-01-10 | 2020-01-10 | Novel ventilation butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211649090U (en) |
-
2020
- 2020-01-10 CN CN202020045019.9U patent/CN211649090U/en active Active
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