CN208123465U - A kind of hard sealing welding oil gas butterfly valve - Google Patents
A kind of hard sealing welding oil gas butterfly valve Download PDFInfo
- Publication number
- CN208123465U CN208123465U CN201820230757.3U CN201820230757U CN208123465U CN 208123465 U CN208123465 U CN 208123465U CN 201820230757 U CN201820230757 U CN 201820230757U CN 208123465 U CN208123465 U CN 208123465U
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- cylinder
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- bracket
- oil gas
- valve rod
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Abstract
The utility model relates to oil gas butterfly valve technical fields, especially a kind of hard sealing welding oil gas butterfly valve, including horizontal positioned tubular valve body, the tubular valve inner is equipped with butterfly plate, tubular valve body top is connected with cylinder, the bracket is fixed on cylinder, the first horizontal positioned worm gear is rotatably connected in the bracket, the first worm screw is engaged on first worm gear, the valve rod bottom end is rotatably connected in lower cylinder, and the lower cylinder bottom end is sealed by lower cover, the butterfly plate is fixed on valve rod by taper bolt, the butterfly plate side is equipped with sealing mechanism, the sealing mechanism includes pressing plate, the sealing ring maximum gauge is 1.1-1.3 times of pressing plate maximum gauge, the tubular valve interior wall is equipped with annular flange, the sealing ring outer peripheral surface is in contact with annular flange.The present apparatus uses flexible and convenient and laborsaving, and sealing effect is fine in use process, and present apparatus installing and dismounting is very convenient.
Description
Technical field
The utility model relates to oil gas butterfly valve technical field more particularly to a kind of hard sealing welding oil gas butterfly valves.
Background technique
Butterfly valve refer to it is a kind of using be installed on the round butterfly plate in pipe diameter direction as opening and closing element and with valve rod rotation come
It opens, the valve of closing and adjusting fluid channel.Present butterfly valve uses very heavy, and seals stability and is not achieved and makes
With requiring, installing and dismounting gets up cumbersome.
Utility model content
Purpose of the utility model is to solve butterfly valve seal in the prior art is bad, disadvantage inconvenient to use,
And a kind of hard sealing welding oil gas butterfly valve proposed.
To achieve the goals above, the utility model uses following technical solution：
A kind of hard sealing welding oil gas butterfly valve is designed, including horizontal positioned tubular valve body, the tubular valve inner is set
There is butterfly plate, tubular valve body top is connected with cylinder, is equipped with transmission device at the top of the upper cylinder, the tubular valve body lower portion is set
There is lower cylinder；
The transmission device includes bracket, and the bracket is fixed on cylinder, is rotatably connected to level in the bracket and puts
The first worm gear set coaxially is connected with valve rod on first worm gear, is engaged with the first worm screw on first worm gear, and described
One worm screw one end is coaxially connected with the second worm gear, and the second worm screw is engaged on second worm gear, and second worm end is solid
It is connected to handwheel；
The valve rod sequentially passes through bracket, upper cylinder, tubular valve body, and the valve rod bottom end is rotatably connected in lower cylinder, and institute
It states lower cylinder bottom end to seal by lower cover, the butterfly plate is fixed on valve rod by taper bolt, and the butterfly plate side is equipped with sealing
Mechanism, the sealing mechanism include pressing plate, and the pressing plate is fastened on butterfly plate by hexagon socket head cap screw, the pressing plate and butterfly plate it
Between be clamped with sealing ring, the sealing ring maximum gauge is 1.1-1.3 times of pressing plate maximum gauge, and the tubular valve interior wall is set
There is annular flange, the sealing ring outer peripheral surface is in contact with annular flange.
When use, butterfly plate rotation is driven by two groups of Worm and worm-wheel gearings, completes tubular valve body on-off action,
Since the present apparatus uses two groups of transmission mechanisms, use it is more laborsaving, it is more flexible, and the present apparatus is in butterfly plate and tubular valve
It is equipped with sealing mechanism between internal wall, by simple mechanism, reaches better seal effect, while present apparatus installing and dismounting rises
Come very convenient quick.
Preferably, fixed ring is equipped between the lower cover and valve rod, device operation is more stable in transmission process.
Preferably, the bracket is fixed together with upper cylinder by bolt and nut, and pressure is equipped between the nut and bracket
Lid.
Preferably, it is equipped with the first axle sleeve between the upper cylinder and valve rod, the second axle sleeve is equipped between the valve rod and lower cylinder.
Preferably, filler is equipped between the upper cylinder top and valve rod.
The utility model proposes a kind of hard sealing welding oil gas butterfly valve, beneficial effect is：The present apparatus uses spirit
Living convenient and laborsaving, sealing effect is fine in use process, and present apparatus installing and dismounting is very convenient.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the right side structural representation of the utility model；
Fig. 3 is the transmission mechanism overlooking structure diagram of the utility model；
Fig. 4 is the portion the A enlarged drawing of the utility model.
In figure：Transmission device 1, handwheel 2, bracket 3, gland 4, filler 5, upper cylinder 6, the first axle sleeve 7, lower cover 8, pressing plate 9,
Taper bolt 10, butterfly plate 11, valve rod 12, hexagon socket head cap screw 13, tubular valve body 14, lower cylinder 15, the second axle sleeve 16, fixed ring 17,
One worm gear 18, the second worm screw 19, the second worm gear 20, the first worm screw 21, sealing ring 22, annular flange 23.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of hard sealing welding oil gas butterfly valve, including horizontal positioned tubular valve body 14, tubular valve body 14
Inside is equipped with butterfly plate 11, and 14 top of tubular valve body is connected with cylinder 6, is equipped with transmission device 1 at the top of upper cylinder 6, under tubular valve body 14
Portion is equipped with lower cylinder 15；
Transmission device 1 includes bracket 3, and bracket 3 is fixed on cylinder 6, and bracket 3 is fixed in upper cylinder 6 by bolt and nut
Together, it is equipped with gland 4 between nut and bracket 3, is rotatably connected to the first horizontal positioned worm gear 18, the first worm gear in bracket 3
It is coaxially connected with valve rod 12 on 18, the first worm screw 21 is engaged on the first worm gear 18,21 one end of the first worm screw is coaxially connected with
Two worm gears 20 are engaged with the second worm screw 19 on second worm gear 20, and 19 end of the second worm screw is connected with handwheel 2；
Valve rod 12 sequentially passes through bracket 3, upper cylinder 6, tubular valve body 14, and filler 5 is equipped between upper 6 top of cylinder and valve rod 12,
12 bottom end of valve rod is rotatably connected in lower cylinder 15, and 15 bottom end of lower cylinder is sealed by lower cover 8, between lower cover 8 and valve rod 12
Equipped with fixed ring 17, it is equipped with the first axle sleeve 7 between upper cylinder 6 and valve rod 12, the second axle sleeve 16 is equipped between valve rod 12 and lower cylinder 15,
Device operation is more stable in transmission process, and butterfly plate 11 is fixed on valve rod 12 by taper bolt 10, and 11 side of butterfly plate is equipped with close
Sealing mechanism, sealing mechanism include pressing plate 9, and pressing plate 9 is fastened on butterfly plate 11 by hexagon socket head cap screw 13, pressing plate 9 and butterfly plate 11 it
Between be clamped with sealing ring 22,22 maximum gauge of sealing ring is 1.1-1.3 times of 9 maximum gauge of pressing plate, and 14 inner wall of tubular valve body is set
There is annular flange 23,22 outer peripheral surface of sealing ring is in contact with annular flange 23.
It when use, drives butterfly plate 11 to rotate by two groups of Worm and worm-wheel gearings, completes tubular valve body 14 and be opened and closed
Movement, since the present apparatus uses two groups of transmission mechanisms, use it is more laborsaving, it is more flexible, and the present apparatus is in butterfly plate 11
It is equipped with sealing mechanism between 14 inner wall of tubular valve body, better seal effect, while the present apparatus are reached by simple mechanism
Installing and dismounting gets up very convenient quick.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of hard sealing welding oil gas butterfly valve, including horizontal positioned tubular valve body (14), the tubular valve body (14) is internal
Equipped with butterfly plate (11), which is characterized in that tubular valve body (14) top is connected with cylinder (6), is equipped at the top of the upper cylinder (6)
Transmission device (1), tubular valve body (14) lower part are equipped with lower cylinder (15)；
The transmission device (1) includes bracket (3), and the bracket (3) is fixed on cylinder (6), and rotation connects in the bracket (3)
It is connected to horizontal positioned the first worm gear (18), is coaxially connected with valve rod (12) on first worm gear (18), first worm gear
(18) it being engaged on the first worm screw (21), described first worm screw (21) one end is coaxially connected with the second worm gear (20), and described second
It is engaged on worm gear (20) the second worm screw (19), the second worm screw (19) end is connected with handwheel (2)；
The valve rod (12) sequentially passes through bracket (3), upper cylinder (6), tubular valve body (14), valve rod (12) the bottom end rotation connection
In lower cylinder (15), and lower cylinder (15) bottom end is sealed by lower cover (8), and the butterfly plate (11) is solid by taper bolt (10)
It connects on valve rod (12), butterfly plate (11) side is equipped with sealing mechanism, and the sealing mechanism includes pressing plate (9), the pressing plate
(9) it is fastened on butterfly plate (11) by hexagon socket head cap screw (13), is clamped with sealing ring between the pressing plate (9) and butterfly plate (11)
(22), sealing ring (22) maximum gauge is 1.1-1.3 times of pressing plate (9) maximum gauge, tubular valve body (14) inner wall
Equipped with annular flange (23), sealing ring (22) outer peripheral surface is in contact with annular flange (23).
2. a kind of hard sealing welding oil gas butterfly valve according to claim 1, which is characterized in that the lower cover (8) and valve
Fixed ring (17) are equipped between bar (12).
3. a kind of hard sealing welding oil gas butterfly valve according to claim 1, which is characterized in that the bracket (3) and upper cylinder
(6) it is fixed together by bolt and nut, is equipped with gland (4) between the nut and bracket (3).
4. a kind of hard sealing welding oil gas butterfly valve according to claim 1, which is characterized in that the upper cylinder (6) and valve rod
(12) the first axle sleeve (7) are equipped between, are equipped with the second axle sleeve (16) between the valve rod (12) and lower cylinder (15).
5. a kind of hard sealing welding oil gas butterfly valve according to claim 1, which is characterized in that upper cylinder (6) top with
Filler (5) are equipped between valve rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230757.3U CN208123465U (en) | 2018-02-09 | 2018-02-09 | A kind of hard sealing welding oil gas butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230757.3U CN208123465U (en) | 2018-02-09 | 2018-02-09 | A kind of hard sealing welding oil gas butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208123465U true CN208123465U (en) | 2018-11-20 |
Family
ID=64207476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820230757.3U Active CN208123465U (en) | 2018-02-09 | 2018-02-09 | A kind of hard sealing welding oil gas butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208123465U (en) |
-
2018
- 2018-02-09 CN CN201820230757.3U patent/CN208123465U/en active Active
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