CN204961855U - Zero friction butterfly valve of single pole with guide way - Google Patents
Zero friction butterfly valve of single pole with guide way Download PDFInfo
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- CN204961855U CN204961855U CN201520384961.7U CN201520384961U CN204961855U CN 204961855 U CN204961855 U CN 204961855U CN 201520384961 U CN201520384961 U CN 201520384961U CN 204961855 U CN204961855 U CN 204961855U
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Abstract
The utility model relates to a zero friction butterfly valve of single pole with guide way, including valve body, deflector, valve shaft, guiding axle, connecting plate, dish board, gangbar and driving motor, the valve body is hollow cylinder structure, and circumference is equipped with the round sealing washer in the valve body, deflector one end is fixed on the valve body inner wall, is equipped with the guide way on the deflector other end, the quantity of gangbar is two, sets up respectively at the both ends of deflector, and the valve shaft is cylindrical structure, and the valve shaft passes the fixing hole in deflector and the gangbar, and the valve shaft both ends are fixed on the valve body, driving motor fixes at valve body contact, driving motor rotor and valve shaft one end fixed connection, the guide way on removal through -hole and the deflector in the gangbar is passed to the guiding axle main part, and the fixed terminal is fixed on the connecting plate, the connecting plate vertically is fixed on the dish board, dish board and the sealed cooperation of sealing washer, simple structure, it is stand wear and tear, realized zero friction of butterfly valve, increased life.
Description
Technical field
The utility model relates to a kind of single pole zero with guiding groove and to rub butterfly valve, particularly a kind of hard seal butterfly valve not having to rub.
Background technique
Hard seal butterfly valve has generally included valve body, valve rod, valve plate and valve seat, valve plate can rotate in valve body, valve seat is set in the inner circumference of valve body, inner ring surface and the seal ring be set on the excircle of valve plate of valve seat form sealing pair, under valve-closed state, rely on the end thrust of the radial compression of valve plate and forward medium to make seal ring be close on valve seat, there is resiliently deformable, produce seal pressure, realize the sealing between valve plate and valve body.Due to the reason of structure in prior art, seal pressure between sealing pair immobilizes, when valve plate opens and closes, always friction is there is between sealing pair, the moment of opening/shutting valve is increased, and keying speed slows down, and opens and closes frequently and easily causes sealing surface wear, sealability declines, and finally causes valve leak.Chinese patent 201320032692.9 discloses a kind of shifting fork type butterfly valve with guiding groove, the shifting fork type butterfly valve with guiding groove has valve body, valve seal seat is had in valve body, the dish version matched with valve seal seat is had in valve body, the sidewall of valve body is installed with valve shaft, shift fork type transmission mechanism is connected with between valve shaft and dish version, shift fork type transmission mechanism has before dish version, the shifting shaft support vertical with valve plate, shifting shaft support there is the shifting shaft parallel with valve shaft, valve shaft is connected with the shift fork vertical with valve shaft, fluctuation axle is in shift fork, limited location plate between before valve shaft and butterfly plate, the location, rear end of limiting board is connected in before butterfly plate, limiting board there is strip hole, valve shaft is in strip hole, limiting board there is the center of circle at the circular arc spacing hole of the axial direction of valve shaft, one end of circular arc spacing hole is connected with the long strip spacing hole vertical with butterfly plate, valve body inner circumference location is connected with the position limit pin vertical with limiting board, one end of position limit pin is inserted in spacing hole.The configuration achieves butterfly plate and valve seal seat to be first separated in and to open, thus achieve zero friction of valve seal seat and butterfly plate.But due to this motion be by position limit pin move by force in spacing hole and realize so position limit pin is easy to be worn.Meanwhile butterfly plate in the process of opening and the state lower limit pin that is held open can be subject to a very large active force, easily make position limit pin fracture.
Model utility content
The utility model, in order to solve the deficiencies in the prior art, puts forward a kind of single pole zero with guiding groove and to rub butterfly valve, and structure is simple, wear-resistant, achieves zero friction of butterfly valve, adds working life.
The utility model realizes with the following method:
A kind of single pole zero with guiding groove rubs butterfly valve, comprise valve body, guide plate, valve shaft, the axis of guide, connecting plate, dish plate, linkage rod and drive motor, described valve body is the cylindrical structure of hollow, valve body inner circumferential is provided with a circle seal ring, described guide plate one end is fixed on valve interior wall, the guide plate the other end is provided with guiding groove, described guiding groove comprises the horizontal concrete chute that is interconnected and turns to chute, horizontal concrete chute and valve interior wall be arranged in parallel, chute is turned to be arc-shaped structure, the radian of chute is turned to be 90 °, the quantity of described linkage rod is two, be separately positioned on the two ends of guide plate, linkage rod is provided with fixed via and mobile through hole,
Described valve shaft is cylindrical structural, and valve shaft is through the fixed via on guide plate and linkage rod, and valve shaft two ends are fixed on valve body, and described drive motor is fixed on valve outer wall, and drive motor rotor is fixedly connected with valve shaft one end;
The described axis of guide comprises axis of guide main body and is arranged on the fixed terminal at axis of guide main body two ends, axis of guide main body is rectangular structure, the upper surface of axis of guide main body caves inward formation first chute, the lower surface of axis of guide main body outwardly forms the first projection, the sectional shape of fixed terminal is rectangular configuration, described axis of guide main body is through the mobile through hole in linkage rod and the guiding groove on guide plate, fixed terminal is fixed on connecting plate, what described connecting plate was vertical is fixed on dish plate, and described dish plate and seal ring are sealed and matched.
Above-mentioned a kind of single pole zero with guiding groove rubs butterfly valve, and wherein, described mobile through hole coordinates with axis of guide body gap.
Above-mentioned a kind of single pole zero with guiding groove rubs butterfly valve, wherein, is provided with stuffing box packing between described valve shaft and valve body.
Above-mentioned a kind of single pole zero with guiding groove rubs butterfly valve, and wherein, the quantity of described connecting plate is two, is separately positioned on guide plate both sides.
Above-mentioned a kind of single pole zero with guiding groove rubs butterfly valve, wherein, is fixed between described linkage rod and valve shaft by screw.
The beneficial effects of the utility model are:
Valve seal seat is had in the utility model valve body, the butterfly plate matched with sealing seat is had in valve body, the sidewall of valve body is installed with valve shaft, valve shaft is connected with continuous motion stem screw, guiding groove is had in valve body, through the axis of guide in guiding groove, and guiding groove and the axis of guide have special structure to match, thus reach the axis of guide and can move along guiding groove, and ensure that the axis of guide turns over when arriving guiding groove end to turn 90 degrees, butterfly plate is connected with the axis of guide by connecting rod, the joint axis of guide is square, thus enable butterfly plate follow axis of guide translation and rotation together, reach and be first separated the result of turning over again and turning 90 degrees and opening with sealing seat, the utility model structure is simple, wear-resistant, achieve zero friction of butterfly valve, add working life.
Accompanying drawing explanation
Fig. 1 is the utility model plan view.
Fig. 2 is the utility model side view.
Fig. 3 be model utility connecting rod and the axis of guide matching chart,
Fig. 4 is the matching chart of the utility model axis of guide and guiding groove.
Embodiment
A kind of single pole zero with guiding groove rubs butterfly valve as shown in the figure, comprise valve body 1, guide plate 2, valve shaft 4, the axis of guide 5, connecting plate 6, dish plate 7, linkage rod 8 and drive motor 9, described valve body 1 is the cylindrical structure of hollow, valve body 1 inner circumferential is provided with a circle seal ring 10, described guide plate 2 one end is fixed on valve body 1 inwall, guide plate 2 the other end is provided with guiding groove 3, described guiding groove 3 comprises the horizontal concrete chute 11 that is interconnected and turns to chute 12, horizontal concrete chute 11 and valve body 1 inwall be arranged in parallel, turn to chute 12 for arc-shaped structure, the radian a of chute 12 is turned to be 90 °, the quantity of described linkage rod 8 is two, be separately positioned on the two ends of guide plate 2, linkage rod 8 is provided with fixed via 13 and mobile through hole 14,
Described valve shaft 4 is cylindrical structural, valve shaft 4 is through guide plate 2 and the fixed via 13 in linkage rod, be fixed by screw 15 between described linkage rod 8 and valve shaft 4, valve shaft 4 two ends are fixed on valve body 1, stuffing box packing 16 is provided with between described valve shaft 4 and valve body 1, described drive motor 9 is fixed on valve body 1 outer wall, and drive motor 9 rotor 17 is fixedly connected with valve shaft 4 one end;
The described axis of guide 5 comprises axis of guide main body 18 and is arranged on the fixed terminal 19 at axis of guide main body two ends, axis of guide main body 18 is rectangular structure, the upper surface of axis of guide main body 18 caves inward formation first chute 20, the lower surface of axis of guide main body outwardly forms the first projection 21, the sectional shape of fixed terminal 19 is rectangular configuration, described axis of guide main body 18 passes the mobile through hole 14 in linkage rod and the guiding groove 3 on guide plate, mobile through hole 14 and axis of guide main body 18 Spielpassung; The quantity of described connecting plate 6 is two, is separately positioned on guide plate 2 both sides, and fixed terminal 19 is fixed on connecting plate 6, and what described connecting plate 6 was vertical is fixed on dish plate 7, and described dish plate 7 is sealed and matched with seal ring 10.
The utility model butterfly valve in off position time as shown in figure, now connecting rod parallels with valve interior wall, the motion mode of dish version opening procedure is as follows, valve shaft 4 rotarily drives linkage rod 8 and rotates counterclockwise under the drive of drive motor, linkage rod 8 match with the axis of guide and and Spielpassung between the axis of guide, linkage rod 8 rotates counterclockwise and drives the axis of guide 5 to move right, match owing to there being special structure between the axis of guide 5 with guiding groove 3, thus the axis of guide can be made to move along guiding groove, guiding groove starts to be horizontal concrete chute, after one segment distance be arc-shaped slot turn to chute, thus make the first parallel motion of the axis of guide, do circular movement again, simultaneously due to the special compounding mode between the axis of guide 5 and guiding groove 3, when the axis of guide moves to guiding groove the top along guiding groove, the axis of guide turns over and turn 90 degrees, the axis of guide 5 is square structure with connecting rod 6 place of link, connecting rod 6 follows the first translation of the axis of guide to rotate again, achieve butterfly plate first translation under the drive of connecting rod to overturn 90 ° again and open.When valve closing, motion mode is contrary with motion mode when opening equally.
The utility model achieves the first translation of butterfly plate and opens in upset, achieves zero friction of butterfly valve.And valve inner structure is simple, little on the impact of flow.
Here description of the present utility model and application is illustrative; not want by scope restriction of the present utility model in the above-described embodiments; therefore, the utility model is not by the restriction of the present embodiment, and the technological scheme that any employing equivalence replacement obtains is all in the scope of the utility model protection.
Claims (5)
1. a single pole zero with guiding groove rubs butterfly valve, it is characterized by, comprise valve body, guide plate, valve shaft, the axis of guide, connecting plate, dish plate, linkage rod and drive motor, described valve body is the cylindrical structure of hollow, valve body inner circumferential is provided with a circle seal ring, described guide plate one end is fixed on valve interior wall, the guide plate the other end is provided with guiding groove, described guiding groove comprises the horizontal concrete chute that is interconnected and turns to chute, horizontal concrete chute and valve interior wall be arranged in parallel, chute is turned to be arc-shaped structure, the radian of chute is turned to be 90 °, the quantity of described linkage rod is two, be separately positioned on the two ends of guide plate, linkage rod is provided with fixed via and mobile through hole,
Described valve shaft is cylindrical structural, and valve shaft is through the fixed via on guide plate and linkage rod, and valve shaft two ends are fixed on valve body, and described drive motor is fixed on valve outer wall, and drive motor rotor is fixedly connected with valve shaft one end;
The described axis of guide comprises axis of guide main body and is arranged on the fixed terminal at axis of guide main body two ends, axis of guide main body is rectangular structure, the upper surface of axis of guide main body caves inward formation first chute, the lower surface of axis of guide main body outwardly forms the first projection, the sectional shape of fixed terminal is rectangular configuration, described axis of guide main body is through the mobile through hole in linkage rod and the guiding groove on guide plate, fixed terminal is fixed on connecting plate, what described connecting plate was vertical is fixed on dish plate, and described dish plate and seal ring are sealed and matched.
2. a kind of single pole zero with guiding groove rubs butterfly valve as claimed in claim 1, and it is characterized by, described mobile through hole coordinates with axis of guide body gap.
3. a kind of single pole zero with guiding groove rubs butterfly valve as claimed in claim 1, it is characterized by, is provided with stuffing box packing between described valve shaft and valve body.
4. a kind of single pole zero with guiding groove rubs butterfly valve as claimed in claim 1, and it is characterized by, the quantity of described connecting plate is two, is separately positioned on guide plate both sides.
5. a kind of single pole zero with guiding groove rubs butterfly valve as claimed in claim 1, it is characterized by, is fixed between described linkage rod and valve shaft by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520384961.7U CN204961855U (en) | 2015-06-08 | 2015-06-08 | Zero friction butterfly valve of single pole with guide way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520384961.7U CN204961855U (en) | 2015-06-08 | 2015-06-08 | Zero friction butterfly valve of single pole with guide way |
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| Publication Number | Publication Date |
|---|---|
| CN204961855U true CN204961855U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520384961.7U Active CN204961855U (en) | 2015-06-08 | 2015-06-08 | Zero friction butterfly valve of single pole with guide way |
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| CN (1) | CN204961855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105775777A (en) * | 2016-05-16 | 2016-07-20 | 徐州徐工环境技术有限公司 | Garbage can lifting and dumping mechanism |
-
2015
- 2015-06-08 CN CN201520384961.7U patent/CN204961855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105775777A (en) * | 2016-05-16 | 2016-07-20 | 徐州徐工环境技术有限公司 | Garbage can lifting and dumping mechanism |
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