CN210623589U - Butterfly valve - Google Patents
Butterfly valve Download PDFInfo
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- CN210623589U CN210623589U CN201921094378.7U CN201921094378U CN210623589U CN 210623589 U CN210623589 U CN 210623589U CN 201921094378 U CN201921094378 U CN 201921094378U CN 210623589 U CN210623589 U CN 210623589U
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- butterfly valve
- locking
- pinion
- block
- spiral cover
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Abstract
The utility model relates to a fluid valve's control unit, more specifically say, it relates to the butterfly valve, and its technical scheme main points are: the lateral surface of butterfly valve is provided with the installation piece, the mounting hole has been seted up on the installation piece, the butterfly valve includes the valve rod, the valve rod is worn out the coaxial fixedly connected with gear wheel of the outer one end of mounting hole, it is provided with the rotation axis to lie in mounting hole one side on the installation piece, coaxial rotation is connected with the pinion on the rotation axis, the gear wheel is connected with pinion drive, just the radius of gear wheel is greater than the radius of pinion, coaxial rigid coupling has the spiral cover on the pinion. The utility model has the advantages of easy adjustment of the valve rod, simple integral structure and low manufacturing cost.
Description
Technical Field
The present invention relates to a control unit for a fluid valve, and more particularly, to a butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of a propping pipeline medium, namely a valve with a closing member (valve clack or disc plate) as a disc and rotating around a valve shaft to open and close. The valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, reflective media and the like, and mainly has the functions of cutting off and throttling on a pipeline.
At present, the butterfly valve commonly used mainly comprises valve body, the board that turns over, valve rod and handle, and the cavity setting of valve body, the valve rod is worn to arrange in the inner wall of valve body from the lateral surface of valve body on, turns over the fixed cover of board and establishes the one side that the valve rod is located the valve body, and handle coaxial coupling is located the one end outside the valve body at the valve rod, turns over the board and realizes opening and shutting the action with the valve body under the drive of valve rod.
The technical scheme has the defects that: when the flow rate of the fluid in the pipeline is increased, the resistance of the fluid medium to the turning plate of the butterfly valve is increased, the opening and closing degree of the turning plate is difficult to adjust by a worker at the moment, the purpose of cutting off or throttling by rotating the handle is difficult, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a butterfly valve has the valve rod and rotates the advantage of adjusting easily, overall structure is simple and low in manufacturing cost.
The above technical purpose of the present invention can be achieved by the following technical solutions: the butterfly valve, the lateral surface of butterfly valve is provided with the installation piece, the mounting hole has been seted up on the installation piece, the butterfly valve includes the valve rod, the valve rod is worn out the coaxial fixedly connected with gear wheel of the outer one end of mounting hole, it is provided with the rotation axis to lie in mounting hole one side on the installation piece, coaxial rotation is connected with the pinion on the rotation axis, the gear wheel is connected with pinion drive, just the radius of gear wheel is greater than the radius of pinion, coaxial rigid coupling has the spiral cover on the pinion.
Through adopting above-mentioned technical scheme, the staff can directly rotate the rotation that the spiral cover drove the valve rod, when the valve rod begins to rotate, the degree of opening and shutting of butterfly valve also can change thereupon, because the pinion radius who links to each other with the spiral cover is less than the gear wheel radius who links to each other with the valve rod, the rotational speed is inversely proportional with the moment of torsion, just also only need exert slight power to the spiral cover and just can adjust the degree of opening and shutting of butterfly valve, even be the resistance grow that the butterfly valve is produced to the butterfly valve internal fluid medium, the staff also can adjust the degree of opening and shutting of butterfly valve through less moment, and then make things convenient for the staff to operate, reach labour saving and.
The utility model discloses further set up to: the locking device is characterized in that a locking hole is formed in the outer side surface of the spiral cover, a locking block is arranged on one side, located on the installation block, of the spiral cover, a sliding groove is formed in the side wall, opposite to the spiral cover, of the locking block, a locking rod is movably inserted into the sliding groove, a shifting groove communicated with the sliding groove is formed in the surface of the locking block, a shifting block is arranged on the side wall of the locking rod, the shifting block is connected into the shifting groove in a sliding mode, a spring is arranged in the sliding groove, one end of the spring is connected to the bottom of the sliding groove, the other end of the spring abuts against the.
Through adopting above-mentioned technical scheme, when the velocity of flow ratio of the fluid medium in the butterfly valve is very fast, after the staff has adjusted the degree of opening and shutting of butterfly valve, stir the locking lever for the locking lever is pegged graft in the locking hole of spiral cover, plays the fixed action, influences the degree of opening and shutting of butterfly valve with the reaction force that prevents the resistance, improves the operational reliability of butterfly valve.
The utility model discloses further set up to: the radius of the small gear is one half of that of the big gear.
Through adopting above-mentioned technical scheme, when the pinion radius is the radius of gear wheel half, laborsaving effect is better, and the mounted position that wholly needs is also less, saves the processing cost.
The utility model discloses further set up to: the bull gears are in transmission connection with the pinion gears through belt pulleys.
Through adopting above-mentioned technical scheme, belt pulley transmission can alleviate load and strike, and belt pulley transmission operates steadily, low noise and low vibration, and belt pulley transmission's simple structure and adjustment are convenient.
The utility model discloses further set up to: the locking hole is provided with a plurality of, and a plurality of locking hole evenly distributed is in the lateral surface of spiral cover.
By adopting the technical scheme, the locking holes are provided with a plurality of locking holes, the locking range can be improved, the locking rods can be inserted into the corresponding locking holes no matter the opening and closing degree of the butterfly valve is adjusted to any position, and the adjusting range and the application range of the butterfly valve are improved.
The utility model discloses further set up to: the periphery of the outer side surface of the spiral cover is provided with anti-skid grains.
Through adopting above-mentioned technical scheme, the coefficient of friction at increase regulation position prevents to skid to avoid causing the accident to the staff when adjusting the butterfly valve.
The utility model discloses further set up to: the surface of the locking block is provided with a fixing groove communicated with the shifting groove, and the fixing groove is vertical to the shifting groove.
Through adopting above-mentioned technical scheme, when the locking work of contact locking lever, stir the shifting block to the fixed slot in can, the adjustment is convenient, simple structure.
The utility model discloses further set up to: the end of the rotating shaft is provided with a limiting block, the interior of the screw cap is hollow, and the limiting block is located in the inner cavity of the screw cap.
Through adopting above-mentioned technical scheme, the stopper can prevent that the pinion from droing, further improves the fastness of installation.
To sum up, the utility model discloses following beneficial effect has:
firstly, the opening and closing degree of the butterfly valve can be easily adjusted by workers, so that the adjusting time is saved, and the working efficiency is improved;
secondly, the butterfly valve is simple and flexible to adjust and low in manufacturing cost.
Drawings
FIG. 1 is a front view showing the structure of a butterfly valve according to the embodiment;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a plan view showing the structure of the butterfly valve according to the embodiment;
fig. 4 is an enlarged view at B in fig. 3.
In the figure: 1. a valve stem; 2. a belt pulley; 3. a bull gear; 4. screwing a cover; 5. a pinion gear; 6. a limiting block; 7. a locking hole; 8. a locking lever; 9. shifting blocks; 10. a locking block; 11. a rotating shaft; 12. mounting blocks; 13. a spring; 14. fixing grooves; 15. the groove is toggled.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 4, the butterfly valve, the lateral surface of butterfly valve is provided with mounting block 12, the mounting hole has been seted up on mounting block 12, the butterfly valve includes valve rod 1, the coaxial fixedly connected with gear wheel 3 of one end that valve rod 1 wore out the mounting hole outside, it is provided with rotation axis 11 to lie in mounting hole one side on mounting block 12, coaxial rotation is connected with pinion 5 on the rotation axis 11, gear wheel 3 is connected with the transmission of pinion 5, and gear wheel 3's radius is greater than pinion 5's radius, in this embodiment, the butterfly valve is common prior art, give unnecessary details to the concrete structure of butterfly valve here.
Specifically, the radius of the pinion 5 is one half of the radius of the bull gear 3. The bull gear 3 is connected with the pinion 5 through the belt pulley 2 transmission, and the belt pulley 2 transmission can alleviate load impact, and belt pulley 2 transmission operates steadily, low noise and low vibration.
As optimization, a locking hole 7 is formed in the outer side surface of the spiral cover 4, a locking block 10 is arranged on one side of the spiral cover 4 on the installation block 12, a sliding groove is formed in the side wall of the locking block 10 opposite to the spiral cover 4, a locking rod 8 is movably inserted in the sliding groove, a shifting groove 15 communicated with the sliding groove is formed in the surface of the locking block 10, a shifting block 9 is arranged on the side wall of the locking rod 8, the shifting block 9 is connected in the shifting groove 15 in a sliding mode, a spring 13 is arranged in the sliding groove, one end of the spring 13 is connected to the bottom of the sliding groove, the other end of the spring is abutted to the end of the locking.
In order to improve the adjustment range and the locking reliability, a plurality of locking holes 7 are provided, and the plurality of locking holes 7 are uniformly distributed on the outer side surface of the screw cap 4.
The circumference of the outer side surface of the spiral cover 4 is provided with anti-skid grains. The surface of the locking block 10 is provided with a fixing groove 14 communicated with the toggle groove 15, the fixing groove 14 is perpendicular to the toggle groove 15, and when a worker needs to unlock, the worker only needs to toggle the toggle block 9 into the fixing groove 14 for fixing.
In order to prevent the pinion 5 from falling off, the end of the rotating shaft 11 is provided with a stopper 6, the screw cap 4 is hollow inside, and the stopper 6 is located in the inner cavity of the screw cap 4.
The implementation principle of the embodiment is as follows: rotatory spiral cover 4 of staff, spiral cover 4 drives pinion 5 and rotates, pinion 5 drives gear wheel 3 through belt pulley 2 and rotates, because gear wheel 3 is fixed connection with valve rod 1, so gear wheel 3 can drive turns over the board and overturn, in order to reach the purpose of adjusting the butterfly valve degree of opening and shutting, after adjusting the completion, shift block 9 removes to stirring groove 15 in the fixed slot 14, because spring 13's elastic force, peg graft locking lever 8 to spiral cover 4 in the locking hole 7, accomplish the locking action, rotate with restriction valve rod 1.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. Butterfly valve, its characterized in that: the lateral surface of butterfly valve is provided with the installation piece, the mounting hole has been seted up on the installation piece, the butterfly valve includes the valve rod, the valve rod is worn out the coaxial fixedly connected with gear wheel of the outer one end of mounting hole, it is provided with the rotation axis to lie in mounting hole one side on the installation piece, coaxial rotation is connected with the pinion on the rotation axis, the gear wheel is connected with pinion drive, just the radius of gear wheel is greater than the radius of pinion, coaxial rigid coupling has the spiral cover on the pinion.
2. The butterfly valve of claim 1, wherein: the locking device is characterized in that a locking hole is formed in the outer side surface of the spiral cover, a locking block is arranged on one side, located on the installation block, of the spiral cover, a sliding groove is formed in the side wall, opposite to the spiral cover, of the locking block, a locking rod is movably inserted into the sliding groove, a shifting groove communicated with the sliding groove is formed in the surface of the locking block, a shifting block is arranged on the side wall of the locking rod, the shifting block is connected into the shifting groove in a sliding mode, a spring is arranged in the sliding groove, one end of the spring is connected to the bottom of the sliding groove, the other end of the spring abuts against the.
3. The butterfly valve of claim 1, wherein: the radius of the small gear is one half of that of the big gear.
4. The butterfly valve of claim 1, wherein: the bull gears are in transmission connection with the pinion gears through belt pulleys.
5. The butterfly valve of claim 2, wherein: the locking hole is provided with a plurality of, and a plurality of locking hole evenly distributed is in the lateral surface of spiral cover.
6. The butterfly valve of claim 1, wherein: the periphery of the outer side surface of the spiral cover is provided with anti-skid grains.
7. The butterfly valve of claim 2, wherein: the surface of the locking block is provided with a fixing groove communicated with the shifting groove, and the fixing groove is vertical to the shifting groove.
8. The butterfly valve of claim 1, wherein: the end of the rotating shaft is provided with a limiting block, the interior of the screw cap is hollow, and the limiting block is located in the inner cavity of the screw cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921094378.7U CN210623589U (en) | 2019-07-13 | 2019-07-13 | Butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921094378.7U CN210623589U (en) | 2019-07-13 | 2019-07-13 | Butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623589U true CN210623589U (en) | 2020-05-26 |
Family
ID=70758491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921094378.7U Active CN210623589U (en) | 2019-07-13 | 2019-07-13 | Butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653811A (en) * | 2021-07-30 | 2021-11-16 | 欧冠阀门科技有限公司 | Butterfly valve for preventing pipeline from blocking |
-
2019
- 2019-07-13 CN CN201921094378.7U patent/CN210623589U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653811A (en) * | 2021-07-30 | 2021-11-16 | 欧冠阀门科技有限公司 | Butterfly valve for preventing pipeline from blocking |
| CN113653811B (en) * | 2021-07-30 | 2024-08-06 | 欧冠阀门科技有限公司 | Anti-blocking butterfly valve for pipeline |
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