CN203670903U - Hemi-spherical three-way ball valve - Google Patents
Hemi-spherical three-way ball valve Download PDFInfo
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- CN203670903U CN203670903U CN201420016944.3U CN201420016944U CN203670903U CN 203670903 U CN203670903 U CN 203670903U CN 201420016944 U CN201420016944 U CN 201420016944U CN 203670903 U CN203670903 U CN 203670903U
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- ball valve
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 210000004907 gland Anatomy 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 23
- 238000012856 packing Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a hemi-spherical three-way ball valve. The hemi-spherical three-way ball valve comprises a valve body, a hemi-spherical spool and a valve cover. An inlet channel and two outlet channels are formed in the valve body, the outlet ends of the two outlet channels are respectively provided with a valve seat, an angle formed by intersecting the axis of the two outlet channels is smaller than 90 degrees, a valve rod fixedly connected with the hemi-spherical spool is arranged in the valve body, the end of the valve rod extends out of the valve cover and is connected with a driving device, the driving device is connected with the valve rod through a gear mechanism, the gear mechanism comprises a gear box, a driving output shaft connected with the driving device and a transmission output shaft fixedly connected with the valve rod are arranged in the gear box, the transmission output shaft is sleeved with a large transmission gear, and the driving output shaft is sleeved with a transmission pinion, and the large transmission gear is meshed with the transmission pinion. According to the hemi-spherical three-way ball valve, switching in two different flow directions of the three-way ball valve can be achieved through a conventional driving device, wherein the included angle of the two outlet channels is smaller than 90 degrees. A seal structure of the hemi-spherical three-way ball valve is firm, durable and long in service life.
Description
Technical field
The utility model relates to valve field, especially relates to a kind of hemisphere tee ball valve.
Background technique
In the production technology of the industries such as oil, petrochemical industry, chemical industry, water treatment, irrigated area, conventionally can adopt tee ball valve to realize shunting, interflow, the mixed flow requirement of the media such as gas, liquid, powder.Current hemisphere tee ball valve, as shown in Figure 1-2, its structure comprises hemisphere spool 2' and valve body 1', in valve body 1', be provided with inlet passage 11' and two outlet passage 12', inlet passage 11' and outlet passage 12' communicate and form the fluid passage of T-shaped structure, and hemisphere spool 2' need to rotate 90 ° of degree and realize switch fluids passage.And the drive unit of common ball valve (as worm and gear drive unit or Pneumatic actuator etc.) is all also to design switch in 90 ° to open and close.But, the ball valve that is less than 90 ° for the axes intersect angle of two outlet passage 12', hemisphere spool 2' only need rotate and be less than 90 ° with regard to realizing the ball valve switching fluid passage, and drive unit of the prior art cannot be suitable for.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of hemisphere tee ball valve, and the axes intersect angle of two outlet passages of this hemisphere tee ball valve is less than 90 °, and can realize by conventional drive unit the switching of 2 fluid passages.
To achieve these goals, the technical solution adopted in the utility model is: a kind of hemisphere tee ball valve, comprise valve body, hemisphere spool and valve gap, valve body is provided with inlet passage and two outlet passages, the outlet end of two outlet passages is respectively equipped with valve seat, the axes intersect of two outlet passages is less than 90 °, in valve body, be provided with the valve rod affixed with hemisphere spool, valve rod end is stretched out outside valve gap and is connected with drive unit, it is characterized in that: described drive unit is connected with described valve rod by gear mechanism, described gear mechanism comprises gear-box, in gear-box, be provided with the driver output axle being connected with described drive unit, and the transmission output shaft being fixedly connected with described valve rod, on transmission output shaft, be arranged with transmission gearwheel, on described driver output axle, be arranged with driving pinion, described transmission gearwheel engages with described driving pinion.
In said structure, conventional 90 ° of corners of drive unit (as worm and gear drive unit or Pneumatic actuator etc.) output, and after the transmission of gear mechanism, the corner of hemisphere spool can be less than 90 °, and the speed ratio of gear mechanism can specifically arrange according to the angle of the intersection axis of two of a ball valve outlet passage; The function that the hemisphere tee ball valve that this structure can drive the axes intersect angle of two outlet passages to be less than 90 ° by conventional drive unit switches mutually between 2 fluid passages.
As further setting of the present utility model, on described valve gap, offer valve road, described valve rod comprises the cohesive end affixed with described hemisphere spool, and stretch out the extending end in described valve road, the diameter of section of described extending end is less than the diameter of section of described cohesive end, after being connected with described cohesive end, described extending end forms step surface, on described valve road, offer the groove with described step surface butt, between described step surface and described groove floor, be provided with Sealing, between the extending end of described valve rod and described valve road inwall, be filled with stuffing box packing, described valve road offers the packing groove that holds described stuffing box packing in the position relative with described extending end relatively, described extending end is arranged with gland, described gland is pushing described stuffing box packing.
In said structure, the butt of step surface and groove floor can play position-limiting action to the axial motion of valve rod, prevent valve rod under the driving of transmission output shaft towards valve gap end motion; And dual sealing functions is played in stuffing box packing in Sealing and packing groove between step surface and groove floor.
As further setting of the present utility model, on described gland, offer gland through hole, described gland through-hole wall is provided with internal thread, and described extending end stretches in described gland through hole and by screw-thread fit and is fixedly connected with described gland.
In said structure, extending end plays fixation by the screw-internal thread fit of outside thread and gland through hole, is convenient to fitting operation.
As further setting of the present utility model, described gear-box is installed with " work " shape saddle towards one end of described drive unit, described saddle comprises top, middle part and bottom, described drive unit is placed in the top of described saddle, the two ends on described saddle top are fixedly connected with described drive unit by bolt, described saddle middle part offers axial hole, described driver output axle is connected with described drive unit through described axial hole, the bottom of the described saddle described gear-box that reclining, the two ends of described saddle bottom are fixedly connected with described gear-box by bolt.
In said structure, gear-box is connected with drive unit by saddle, and this saddle can play support drive unit, and increases the area of contact of itself and gear-box joint, it can be stablized and be placed in valve body top.
As further setting of the present utility model, between described outlet passage inwall and described valve seat, be provided with Sealing, the T-shaped structure in described valve seat cross section, described Sealing is sheathed on the vertical portion of described valve seat, the horizontal part of described valve seat is provided with and compresses lid towards one end of described outlet passage outlet, described compress lid with described horizontal part between be provided with elastic component, described in compress cover with described outlet passage inwall between be provided with Sealing.
In said structure, between outlet passage inwall and valve seat, be connected by seal with O ring, and compress the being tightly connected formation double seal effect between lid and outlet passage inwall; And being arranged so that of elastic component can be limited along with valve core movement when valve seat is subject to its pressure in the process of hemisphere valve core rotation, make the motion of spool can not be subject to stopping of valve seat and occur rotating the phenomenon having some setbacks.
As further setting of the present utility model, the horizontal part of described valve seat is extended with axial cannular boss towards described one end that compresses lid, described boss radial cross section diameter is less than the radial cross section diameter of described valve seat horizontal part, the end face of described boss outer circumferential face and described horizontal part forms L shaped bearing surface, the described lid that compresses has the embedded block coordinating with described L shaped bearing surface towards one end of described valve seat horizontal part, on described embedded block, offer axis hole, one end of described elastic component is embedded in described axis hole, the other end of described elastic component stretches out on the horizontal part that is compressing described valve seat outside axis hole, between described embedded block and described boss outer circumferential face, be provided with Sealing, between embedded block and described outlet passage, be also provided with Sealing.
In said structure, spring is embedded in the axis hole of embedded block, and this axis hole sidewall keeps its shape to have supporting effect to spring, and the end that spring stretches out outside axis hole is exactly the distance that above-mentioned valve seat can be movable.
As further setting of the present utility model, the axes intersect of described two outlet passages is 45 °, and the speed ratio of described gear mechanism is 1:2.
In said structure, between two outlet passages, all angle at 45 ° intersects and coordinates, and above-mentioned drive unit just can be realized the switching of 2 fluid passages by exporting 45 ° of the transmission output shaft band ovable valve stem rotation of 90 ° of corners by gear mechanism.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of conventional hemisphere tee ball valve;
Accompanying drawing 2 is for conventional hemisphere tee ball valve is in the structure sectional view of overlooking under state;
Accompanying drawing 3 is the utility model specific embodiment structural representation;
Accompanying drawing 4 is for the utility model specific embodiment is in the structure sectional view of overlooking under state;
Accompanying drawing 6 is the partial enlarged drawing of the utility model specific embodiment accompanying drawing 3.
Embodiment
Specific embodiment of the utility model is hemisphere tee ball valve as shown in Fig. 3-6, comprise valve body 1, hemisphere spool 2 and valve gap 4, valve body 1 is provided with inlet passage 11 and two outlet passages 12, the outlet end of two outlet passages 12 is respectively equipped with valve seat 5, the axes intersect of two outlet passages 12 is less than 90 °, in valve body 1, be provided with the valve rod 3 affixed with hemisphere spool 2, valve rod 3 ends are stretched out outside valve gap 4 and are connected with drive unit 7, drive unit 7 is connected with valve rod 3 by gear mechanism 6, gear mechanism 6 comprises gear-box 61, in gear-box 61, be provided with the driver output axle 62 being connected with drive unit 7, and the transmission output shaft 63 being fixedly connected with valve rod 3, on transmission output shaft 63, be arranged with transmission gearwheel 64, on driver output axle 62, be arranged with driving pinion 65, transmission gearwheel 64 engages with driving pinion 65.Conventional drive unit 7(is as worm and gear drive unit or Pneumatic actuator etc.) 90 ° of corners of output, and after the transmission of gear mechanism 6, the corner of hemisphere spool 2 can be less than 90 °, and the speed ratio of gear mechanism 6 can specifically arrange according to the angle of the intersection axis of two of a ball valve outlet passage 12; The function that the hemisphere tee ball valve that this structure can drive the axes intersect angle of two outlet passages 12 to be less than 90 ° by conventional drive unit 7 switches mutually between 2 fluid passages.
On above-mentioned valve gap 4, offer valve road 41, valve rod 3 comprises the cohesive end 31 affixed with hemisphere spool 2, and stretch out the extending end 32 in valve road 41, the diameter of section of extending end 32 is less than the diameter of section of cohesive end 31, after being connected with cohesive end 31, extending end 32 forms step surface 33, on valve road 41, offer the groove 411 with step surface 33 butts, between step surface 33 and groove 411 bottom surface 411a, be provided with Sealing 81, between extending end 32Yu Fa road 41 inwalls of valve rod 3, be filled with stuffing box packing 82, the relative position relative with extending end 32, valve road 41 offers the packing groove 412 that holds stuffing box packing 82, extending end 32 is arranged with gland 42, gland 42 is pushing stuffing box packing 82.Step surface 33 can play position-limiting action to the axial motion of valve rod 3 with the butt of groove 411 bottom surface 411a, prevent valve rod 3 under the driving of transmission output shaft 63 towards valve gap 4 one end motions; And dual sealing functions is played in Sealing 81 between step surface 33 and groove 411 bottom surface 411a and the stuffing box packing 82 in packing groove 412.
On above-mentioned gland 42, offer gland through hole, gland through-hole wall is provided with internal thread, and extending end 32 stretches in gland through hole and by screw-thread fit and is fixedly connected with gland 42.Extending end 32 plays fixation by the screw-internal thread fit of outside thread and gland through hole, is convenient to fitting operation.
Said gear case 61 is installed with " work " shape saddle 66 towards one end of drive unit 7, saddle 66 comprises top 661, middle part 662 and bottom 663, drive unit 7 is placed in the top 661 of saddle 66, the two ends on saddle 66 tops 661 are fixedly connected with drive unit 7 by bolt, saddle 66 middle parts 662 offer axial hole 662a, driver output axle 62 is connected with drive unit 7 through axial hole 662a, the bottom 663 of saddle 66 gear-box 61 that reclining, the two ends of saddle 66 bottoms 663 are fixedly connected with gear-box 61 by bolt.Gear-box 61 is connected with drive unit 7 by saddle 66, and this saddle 66 can play support drive unit 7, and increases the area of contact of itself and gear-box 61 joints, it can be stablized and be placed in valve body 1 top.
Between above-mentioned outlet passage 12 inwalls and valve seat 5, be provided with Sealing 83, the valve seat 5 T-shaped structures in cross section, Sealing 83 is sheathed on the vertical portion 51 of valve seat 5, one end that the horizontal part 52 of valve seat 5 exports towards outlet passage 12 is provided with to compress covers 53, compress cover 53 and horizontal part 52 between be provided with spring 54, compress cover 53 and outlet passage 12 inwalls between be provided with Sealing 84.Between outlet passage 12 inwalls and valve seat 5, be connected by seal with O ring, and compress cover 53 and outlet passage 12 inwalls between be tightly connected and form double seal effect; And spring 54 be arranged to be subject to its pressure in process that valve seat 5 rotates at hemisphere spool 2 time can be limited along with spool 2 moves, make the motion of spool 2 can not be subject to stopping of valve seat 5 and occur rotating the phenomenon having some setbacks.
The horizontal part 52 of above-mentioned valve seat 5 covers one end of 53 and is extended with axial cannular boss 55 towards compressing, boss 55 radial cross section diameters are less than the radial cross section diameter of valve seat 5 horizontal parts 52, the end face of boss 55 outer circumferential faces and horizontal part 52 forms L shaped bearing surface, compress and cover 53 and there is towards one end of valve seat 5 horizontal parts 52 embedded block 531 coordinating with L shaped bearing surface, on embedded block 531, offer axis hole, one end of spring 54 is embedded in axis hole, the other end of spring 54 stretches out on the horizontal part 52 that is compressing valve seat 5 outside axis hole, between embedded block 531 and boss 55 outer circumferential faces, be provided with Sealing 85, between embedded block 531 and outlet passage 12, be also provided with Sealing 84.Spring 54 is embedded in the axis hole of embedded block 531, and this axis hole sidewall keeps its shape to have supporting effect to spring 54, and the end that spring 54 stretches out outside axis hole is exactly the distance that above-mentioned valve seat 5 can be movable.
The axes intersect of above-mentioned two outlet passages 12 is 45 °, and the speed ratio of gear mechanism 6 is 1:2.Between two outlet passages 12, all angle at 45 ° intersects cooperation, and above-mentioned drive unit 7 rotates the 45 ° switchings that just can realize 2 fluid passages by the transmission output shaft 63 of gear mechanism 6 with ovable valve stem 3 by exporting 90 ° of corners.This gear mechanism 6 adopts one-level gear box structure, and it is simple in structure, and part is few, easily assembling.
The utility model can be realized 2 outlet passage angles by conventional drive unit 7 and be less than 2 kinds of various flows of tee ball valve of 90 ° to switching, and its sealing configuration firm and durable long service life.
Claims (7)
1. a hemisphere tee ball valve, comprise valve body, hemisphere spool and valve gap, valve body is provided with inlet passage and two outlet passages, the outlet end of two outlet passages is respectively equipped with valve seat, the axes intersect of two outlet passages is less than 90 °, in valve body, be provided with the valve rod affixed with hemisphere spool, valve rod end is stretched out outside valve gap and is connected with drive unit, it is characterized in that: described drive unit is connected with described valve rod by gear mechanism, described gear mechanism comprises gear-box, in gear-box, be provided with the driver output axle being connected with described drive unit, and the transmission output shaft being fixedly connected with described valve rod, on transmission output shaft, be arranged with transmission gearwheel, on described driver output axle, be arranged with driving pinion, described transmission gearwheel engages with described driving pinion.
2. hemisphere tee ball valve according to claim 1, it is characterized in that: on described valve gap, offer valve road, described valve rod comprises the cohesive end affixed with described hemisphere spool, and stretch out the extending end in described valve road, the diameter of section of described extending end is less than the diameter of section of described cohesive end, after being connected with described cohesive end, described extending end forms step surface, on described valve road, offer the groove with described step surface butt, between described step surface and described groove floor, be provided with Sealing, between the extending end of described valve rod and described valve road inwall, be filled with stuffing box packing, described valve road offers the packing groove that holds described stuffing box packing in the position relative with described extending end relatively, described extending end is arranged with gland, described gland is pushing described stuffing box packing.
3. hemisphere tee ball valve according to claim 2, it is characterized in that: on described gland, offer gland through hole, described gland through-hole wall is provided with internal thread, and described extending end stretches in described gland through hole and by screw-thread fit and is fixedly connected with described gland.
4. hemisphere tee ball valve according to claim 1, it is characterized in that: described gear-box is installed with " work " shape saddle towards one end of described drive unit, described saddle comprises top, middle part and bottom, described drive unit is placed in the top of described saddle, the two ends on described saddle top are fixedly connected with described drive unit by bolt, described saddle middle part offers axial hole, described driver output axle is connected with described drive unit through described axial hole, the bottom of the described saddle described gear-box that reclining, the two ends of described saddle bottom are fixedly connected with described gear-box by bolt.
5. hemisphere tee ball valve according to claim 1, it is characterized in that: between described outlet passage inwall and described valve seat, be provided with Sealing, the T-shaped structure in described valve seat cross section, described Sealing is sheathed on the vertical portion of described valve seat, the horizontal part of described valve seat is provided with and compresses lid towards one end of described outlet passage outlet, described compress lid with described horizontal part between be provided with elastic component, described in compress cover with described outlet passage inwall between be provided with Sealing.
6. hemisphere tee ball valve according to claim 5, it is characterized in that: the horizontal part of described valve seat is extended with axial cannular boss towards described one end that compresses lid, described boss radial cross section diameter is less than the radial cross section diameter of described valve seat horizontal part, the end face of described boss outer circumferential face and described horizontal part forms L shaped bearing surface, the described lid that compresses has the embedded block coordinating with described L shaped bearing surface towards one end of described valve seat horizontal part, on described embedded block, offer axis hole, one end of described elastic component is embedded in described axis hole, the other end of described elastic component stretches out on the horizontal part that is compressing described valve seat outside axis hole, between described embedded block and described boss outer circumferential face, be provided with Sealing, between embedded block and described outlet passage, be also provided with Sealing.
7. hemisphere tee ball valve according to claim 1, is characterized in that: the axes intersect of described two outlet passages is 45 °, and the speed ratio of described gear mechanism is 1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016944.3U CN203670903U (en) | 2014-01-10 | 2014-01-10 | Hemi-spherical three-way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016944.3U CN203670903U (en) | 2014-01-10 | 2014-01-10 | Hemi-spherical three-way ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670903U true CN203670903U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420016944.3U Expired - Lifetime CN203670903U (en) | 2014-01-10 | 2014-01-10 | Hemi-spherical three-way ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN203670903U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089040A (en) * | 2014-07-28 | 2014-10-08 | 铁岭大沃阀门（集团）有限公司 | Oppositely-opened type large-caliber hemispherical valve |
| CN104180008A (en) * | 2014-08-07 | 2014-12-03 | 河北科技师范学院 | Novel full-sealed leak-free heating valve |
| CN105179750A (en) * | 2015-08-25 | 2015-12-23 | 台州建业阀门有限公司 | Three-way electrically operated valve |
| CN105422972A (en) * | 2015-12-04 | 2016-03-23 | 浙江声波管阀实业有限公司 | Large-diameter PE ball valve power booster |
| CN110242768A (en) * | 2019-06-25 | 2019-09-17 | 成都富临精工电子电器科技有限公司 | A kind of control valve for fluids structure |
-
2014
- 2014-01-10 CN CN201420016944.3U patent/CN203670903U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089040A (en) * | 2014-07-28 | 2014-10-08 | 铁岭大沃阀门（集团）有限公司 | Oppositely-opened type large-caliber hemispherical valve |
| CN104180008A (en) * | 2014-08-07 | 2014-12-03 | 河北科技师范学院 | Novel full-sealed leak-free heating valve |
| CN105179750A (en) * | 2015-08-25 | 2015-12-23 | 台州建业阀门有限公司 | Three-way electrically operated valve |
| CN105422972A (en) * | 2015-12-04 | 2016-03-23 | 浙江声波管阀实业有限公司 | Large-diameter PE ball valve power booster |
| CN110242768A (en) * | 2019-06-25 | 2019-09-17 | 成都富临精工电子电器科技有限公司 | A kind of control valve for fluids structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |