CN215445101U - Be used for powder to carry special butterfly valve of food level - Google Patents
Be used for powder to carry special butterfly valve of food level Download PDFInfo
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- CN215445101U CN215445101U CN202122112724.3U CN202122112724U CN215445101U CN 215445101 U CN215445101 U CN 215445101U CN 202122112724 U CN202122112724 U CN 202122112724U CN 215445101 U CN215445101 U CN 215445101U
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- sealing ring
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Abstract
The utility model relates to the technical field of butterfly valves, and particularly discloses a food-grade special butterfly valve for powder conveying, which comprises a driving cylinder, a butterfly valve body, a stainless steel inner ring and a rotary valve plate, wherein the driving cylinder is arranged on the butterfly valve body; the driving cylinder is arranged on one side of the butterfly valve body and used for driving the rotary valve plate to rotate, and the rotary valve plate is arranged on the butterfly valve body; the stainless steel inner circle includes first sealing washer and second sealing washer, all is provided with the connecting groove who mutually supports the use in the one side that first sealing washer and second sealing washer are close to each other, and first sealing washer and second sealing washer pass through the mutual joint of connecting groove, and first sealing washer and second sealing washer are close to each other both ends of controlling of one side and have all seted up connection bayonet socket. Compared with a general standard butterfly valve, the valve body has the advantages of simple structure, more convenience in installation and disassembly, convenience in maintenance and long service life.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a food-grade special butterfly valve for powder conveying.
Background
The butterfly valve has simple structure, simple and convenient operation, rapid opening and closing and good flow regulation function, and is widely applied to the fields of food, petroleum, coal gas, chemical industry, water treatment and the like.
When the traditional special butterfly valve for powder conveying food grade is in actual use, the service life of the whole butterfly valve is short due to the fact that all parts of the butterfly valve are not tightly connected and the butterfly valve is very inconvenient to assemble, disassemble and maintain; the sealing ring inside the butterfly valve is generally made of soft materials such as rubber, silica gel, polytetrafluoroethylene and the like, and the butterfly plate is extruded and scraped with the sealing ring for a long time to damage the sealing ring, so that the sealing ring is difficult to disassemble and replace, and the overall sealing performance of the butterfly valve is influenced; meanwhile, when powder is conveyed by vacuum negative pressure (positive pressure), the powder can continuously scour the sealing ring, the sealing ring can be quickly worn until missing, the worn and missing sealing ring and the powder are conveyed into a storage bin together, and great hidden danger is caused to food safety production.
Disclosure of Invention
The utility model aims to provide a special food-grade butterfly valve for powder conveying, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a special butterfly valve for powder conveying food grade comprises a driving cylinder, a butterfly valve body, a stainless steel inner ring and a rotary valve plate; the driving cylinder is arranged on one side of the butterfly valve body and used for driving the rotary valve plate to rotate, and the rotary valve plate is arranged on the butterfly valve body; the stainless steel inner ring comprises a first sealing ring and a second sealing ring, connecting clamping grooves which are matched with each other for use are formed in the surfaces, close to each other, of the first sealing ring and the second sealing ring, the first sealing ring and the second sealing ring are clamped with each other through the connecting clamping grooves, and connecting bayonets are formed in the left end and the right end of the surface, close to each other, of the first sealing ring and the second sealing ring; the rotary valve plate comprises a first rotating shaft, a second rotating shaft and a valve plate main body, wherein the first rotating shaft and the second rotating shaft are respectively fixed at the left end and the right end of the valve plate main body, the valve plate main body is used in sealing fit with a stainless steel inner ring, and when the valve plate main body is in a closed state, the stainless steel inner ring is embedded at the outer side of the valve plate main body.
Preferably, the left side and the right side of the butterfly valve body are respectively provided with a first connecting cavity and a second connecting cavity, the first rotating shaft is movably arranged in the first connecting cavity, and the second rotating shaft penetrates through the second connecting cavity to be connected with the output end of the driving cylinder.
Preferably, the one end that the valve plate main part was kept away from to the second pivot extends to the inside of driving actuating cylinder, has seted up a plurality of shaft coupling recesses in the inside second pivot of driving actuating cylinder, and shaft coupling recess annular array sets up on the circumference lateral wall of second pivot.
Preferably, a connecting bearing is mounted on the second rotating shaft outside the driving cylinder.
Preferably, the ends of the first rotating shaft and the second rotating shaft, which are close to the valve plate main body, are fixedly connected with connecting pieces with conical structures, and the tip parts of the two connecting pieces are far away from the first rotating shaft and the second rotating shaft.
Preferably, all offer the connecting groove who is used for connecting the valve plate main part on first pivot, second pivot and the connecting piece, first pivot, second pivot and connecting piece all pass through connecting groove nestification in the valve plate main part.
Preferably, the connecting bayonet on the first sealing ring and the connecting bayonet on the second sealing ring are both in a semicircular structure, and the connecting bayonets on the two sealing rings are connected with each other to form a rotating shaft cavity.
Preferably, the first rotating shaft and the second rotating shaft are both clamped in two rotating shaft cavities formed by the first sealing ring and the second sealing ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. compared with the common standard butterfly valve, the valve body of the food-grade special butterfly valve for powder conveying has the advantages of simple structure of the whole valve, more convenience in installation and disassembly, convenience in maintenance and long service life.
2. Compared with the traditional butterfly valve sealing ring made of soft materials such as rubber, silica gel, polytetrafluoroethylene and the like, the butterfly valve sealing ring is more convenient to disassemble and longer in service life, can effectively reduce abrasion and loss caused by the washing of powder on an inner ring, and improves the quality of safe production of food.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the specific structure of the driving cylinder of the present invention;
FIG. 3 is a schematic view of the specific structure of the butterfly valve body of the present invention;
FIG. 4 is a schematic structural diagram of a stainless steel inner ring according to the present invention;
FIG. 5 is a schematic structural diagram of a first seal ring according to the present invention;
FIG. 6 is a schematic structural diagram of a second seal ring according to the present invention;
fig. 7 is a detailed structural schematic view of the rotary valve plate of the present invention.
In the figure: 1. a driving cylinder; 2. a butterfly valve body; 21. a first connection chamber; 22. a second connection chamber; 3. a stainless steel inner ring; 31. a first seal ring; 32. a second seal ring; 33. a connecting bayonet; 34. a rotating shaft cavity; 4. a rotary valve plate; 41. a first rotating shaft; 42. a second rotating shaft; 43. a valve plate main body; 44. a coupling groove; 45. a connecting member; 46. a connecting groove; 5. and connecting the bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-7, the present invention provides a technical solution: a special butterfly valve for powder conveying food grade comprises a driving cylinder 1, a butterfly valve body 2, a stainless steel inner ring 3 and a rotary valve plate 4; the driving cylinder 1 is arranged on one side of the butterfly valve body 2, the driving cylinder 1 is used for driving the rotary valve plate 4 to rotate, and the rotary valve plate 4 is arranged on the butterfly valve body 2; the stainless steel inner ring 3 comprises a first sealing ring 31 and a second sealing ring 32, connecting clamping grooves which are matched with each other are formed in the surfaces, close to each other, of the first sealing ring 31 and the second sealing ring 32, the first sealing ring 31 and the second sealing ring 32 are clamped with each other through the connecting clamping grooves, and connecting bayonets 33 are formed in the left end and the right end of the surfaces, close to each other, of the first sealing ring 31 and the second sealing ring 32; the rotary valve plate 4 comprises a first rotating shaft 41, a second rotating shaft 42 and a valve plate main body 43, wherein the first rotating shaft 41 and the second rotating shaft 42 are respectively fixed at the left end and the right end of the valve plate main body 43, the valve plate main body 43 is used for being matched with the stainless steel inner ring 3 in a sealing mode, and when the valve plate main body 43 is in a closed state, the stainless steel inner ring 3 is nested on the outer side of the valve plate main body 43.
Furthermore, the left side and the right side of the butterfly valve body 2 are respectively provided with a first connecting cavity 21 and a second connecting cavity 22, the first rotating shaft 41 is movably arranged in the first connecting cavity 21, and the second rotating shaft 42 passes through the second connecting cavity 22 to be connected with the output end of the driving cylinder 1.
Further, one end of the second rotating shaft 42, which is far away from the valve plate main body 43, extends to the inside of the driving cylinder 1, a plurality of coupling grooves 44 are formed in the second rotating shaft 42 inside the driving cylinder 1, and the coupling grooves 44 are annularly arranged on the outer circumferential side wall of the second rotating shaft 42.
Further, a connecting bearing 5 is mounted on the second rotating shaft 42 outside the driving cylinder 1.
Further, the ends of the first rotating shaft 41 and the second rotating shaft 42 close to the valve plate main body 43 are fixedly connected with connecting pieces 45 with conical structures, and the tip ends of the two connecting pieces 45 are far away from the first rotating shaft 41 and the second rotating shaft 42.
Further, a connecting groove 46 for connecting the valve plate main body 43 is formed in each of the first rotating shaft 41, the second rotating shaft 42 and the connecting piece 45, and the first rotating shaft 41, the second rotating shaft 42 and the connecting piece 45 are all embedded in the valve plate main body 43 through the connecting groove 46.
Furthermore, the connecting bayonet 33 on the first sealing ring 31 and the connecting bayonet 33 on the second sealing ring 32 are both semi-circular structures, and the connecting bayonets 33 on the two sealing rings are connected with each other to form a rotating shaft cavity 34.
Further, the first rotating shaft 41 and the second rotating shaft 42 are both clamped in two rotating shaft cavities 34 formed by the first sealing ring 31 and the second sealing ring 32.
The working principle is as follows: when the butterfly valve is assembled, the first seal ring 31 and the second seal ring 32 are both installed in the circular cavity of the butterfly valve body 2, so that the stepped clamping grooves on the first seal ring 31 and the second seal ring 32 are clamped with each other (as shown in fig. 5/6), and then the first rotating shaft 41 and the second rotating shaft 42 are respectively installed inside the first connecting cavity 21 and the second connecting cavity 22, so that the first rotating shaft 41 and the second rotating shaft 42 are both clamped in the two rotating shaft cavities 34 formed by the first seal ring 31 and the second seal ring 32; then, the left and right sides of the valve plate main body 43 are respectively embedded into the connecting grooves 46 of the first rotating shaft 41, the second rotating shaft 42 and the connecting piece 45, and then the valve plate main body 43 is welded in the corresponding connecting grooves 46.
When this butterfly valve in-service use, through driving actuating cylinder and promoting rotatory valve plate 4 whole rotatory 90 degrees, valve plate main part 43 is in sealed cooperation with stainless steel inner circle 3 when closed state, otherwise valve plate main part 43 is opened the back, and the powder can be carried the feed bin through the stainless steel inner circle.
It is worth noting that: the whole device realizes control to the device through the controller, and the controller is common equipment and belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure of the controller are not repeated herein.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a be used for powder to carry food level special butterfly valve which characterized in that: comprises a driving cylinder (1), a butterfly valve body (2), a stainless steel inner ring (3) and a rotary valve plate (4); the driving cylinder (1) is installed on one side of the butterfly valve body (2), the driving cylinder (1) is used for driving the rotary valve plate (4) to rotate, and the rotary valve plate (4) is installed on the butterfly valve body (2); the stainless steel inner ring (3) comprises a first sealing ring (31) and a second sealing ring (32), connecting clamping grooves which are matched with each other are formed in the surfaces, close to each other, of the first sealing ring (31) and the second sealing ring (32), the first sealing ring (31) and the second sealing ring (32) are clamped with each other through the connecting clamping grooves, and connecting bayonets (33) are formed in the left end and the right end of the surface, close to each other, of the first sealing ring (31) and the second sealing ring (32); the rotary valve plate (4) comprises a first rotating shaft (41), a second rotating shaft (42) and a valve plate main body (43), the first rotating shaft (41) and the second rotating shaft (42) are respectively fixed at the left end and the right end of the valve plate main body (43), the valve plate main body (43) is used in sealing fit with a stainless steel inner ring (3), and when the valve plate main body (43) is in a closed state, the stainless steel inner ring (3) is nested on the outer side of the valve plate main body (43).
2. The special butterfly valve for powder delivery food grade according to claim 1, wherein: first connection chamber (21) and second connection chamber (22) have been seted up respectively to the left and right sides of butterfly valve body (2), and first pivot (41) activity sets up in first connection chamber (21), and second pivot (42) pass second connection chamber (22) and are connected with the output that drives actuating cylinder (1).
3. The special butterfly valve for powder delivery food grade according to claim 1, wherein: one end of the second rotating shaft (42) far away from the valve plate main body (43) extends to the inside of the driving cylinder (1), a plurality of coupling grooves (44) are formed in the second rotating shaft (42) inside the driving cylinder (1), and the coupling grooves (44) are arranged on the outer side wall of the circumference of the second rotating shaft (42) in an annular array mode.
4. The special butterfly valve for powder delivery food grade according to claim 1, wherein: and a connecting bearing (5) is arranged on a second rotating shaft (42) on the outer side of the driving cylinder (1).
5. The special butterfly valve for powder delivery food grade according to claim 1, wherein: the end of the first rotating shaft (41) and the end of the second rotating shaft (42) close to the valve plate main body (43) are fixedly connected with connecting pieces (45) with conical structures, and the tip parts of the two connecting pieces (45) are far away from the first rotating shaft (41) and the second rotating shaft (42).
6. The special butterfly valve for powder delivery food grade according to claim 1, wherein: connecting grooves (46) used for connecting the valve plate main body (43) are formed in the first rotating shaft (41), the second rotating shaft (42) and the connecting piece (45), and the first rotating shaft (41), the second rotating shaft (42) and the connecting piece (45) are all embedded on the valve plate main body (43) through the connecting grooves (46).
7. The special butterfly valve for powder delivery food grade according to claim 1, wherein: the connecting bayonet (33) on the first sealing ring (31) and the connecting bayonet (33) on the second sealing ring (32) are both in a semicircular structure, and the connecting bayonets (33) on the two sealing rings are connected with each other to form a rotating shaft cavity (34).
8. The special butterfly valve for powder delivery food grade according to claim 1, wherein: the first rotating shaft (41) and the second rotating shaft (42) are both clamped in two rotating shaft cavities (34) formed by the first sealing ring (31) and the second sealing ring (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112724.3U CN215445101U (en) | 2021-09-02 | 2021-09-02 | Be used for powder to carry special butterfly valve of food level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112724.3U CN215445101U (en) | 2021-09-02 | 2021-09-02 | Be used for powder to carry special butterfly valve of food level |
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| CN215445101U true CN215445101U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122112724.3U Active CN215445101U (en) | 2021-09-02 | 2021-09-02 | Be used for powder to carry special butterfly valve of food level |
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| CN (1) | CN215445101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4224043A1 (en) * | 2022-02-07 | 2023-08-09 | Günter Saathoff-Kettwig | Shut-off element for pipes and the like |
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2021
- 2021-09-02 CN CN202122112724.3U patent/CN215445101U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4224043A1 (en) * | 2022-02-07 | 2023-08-09 | Günter Saathoff-Kettwig | Shut-off element for pipes and the like |
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