CN201884739U - Adjustable plastic pressure-reducing valve with double springs - Google Patents
Adjustable plastic pressure-reducing valve with double springs Download PDFInfo
- Publication number
- CN201884739U CN201884739U CN2010206225580U CN201020622558U CN201884739U CN 201884739 U CN201884739 U CN 201884739U CN 2010206225580 U CN2010206225580 U CN 2010206225580U CN 201020622558 U CN201020622558 U CN 201020622558U CN 201884739 U CN201884739 U CN 201884739U
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Abstract
The utility model provides an adjustable plastic pressure-reducing valve with double springs, which comprises a lower valve bonnet (1), a rebounding spring (3), a main valve clack (5), a valve stem (6), a valve body (7), a diaphragm (9), an adjustable spring (13), an upper valve bonnet (15), an adjusting screw (16) and a sealing mechanism. The lower valve bonnet (1) is connected with the lower end of the valve body (7) in a threaded connection mode, the valve stem (6) is arranged in a valve hole in the valve body, the lower end of the valve stem (6) is fixedly connected with the main valve clack (5), the rebounding spring (3) is arranged between the main valve clack (5) and the lower valve bonnet (1), the upper valve bonnet (15) is connected with the upper end of the valve body in a threaded connection mode, the diaphragm (9) is arranged at a connection position of the upper valve bonnet (15) with the valve body (7) so as to realize seal and pressure adjustment, the adjustable spring (13) is disposed between the upper valve bonnet (15) and the valve stem (6), and the adjusting screw (16) is arranged at the top of the upper valve bonnet (15) and is downwards abutted to the upper end of the adjustable spring (13).
Description
Technical field
The utility model belongs to the adjustable plastics reduction valve field in the agricultural irrigation system sprinkling irrigation equipment, particularly relates to the adjustable plastics reduction valve of a kind of dual spring.
Background technique
In the irrigation system sprinkling irrigation equipment of usefulness such as at present domestic greenery patches, gardens, generally be that rainer is directly connected shower nozzle on every branch road, different sections road respectively, because the water intake variation in pressure of every branch road size instability makes its spray effect influenced, that sprays sometimes is too far away, that sprays sometimes is too near, even do not have water to go out sometimes, thereby make more good utilisation saving of water resources.Occur reduction valve in recent years, the basic role principle of reduction valve is that the scope that hydraulic pressure falls is by the film that connects flap or the intake-outlet pressure reduction automatic Regulation of piston both sides by the local resistance reduction hydraulic pressure of valve inner flow passage to current.Exactly because the structural type of reduction valve is various, be difficult to select a kind of suitable reduction valve, yet being, its subject matter have volume ratio huger, the complex structure of part, mould is made complicated, and the up-to-standard rate of forming parts is on the low side, and cost is higher, and assemble loaded down with trivial detailsly, bring some inconvenience for actual the use.
The model utility content
The utility model purpose is to overcome the deficiencies in the prior art, and a kind of simple in structure, adjustable plastics reduction valve of dual spring is provided.
For realizing above-mentioned the utility model purpose, the technological scheme of employing is as follows.
The adjustable plastics reduction valve of a kind of dual spring, comprise bottom flange (1), rebound spring (3), main valve clack (5), valve rod (6), valve body (7), diaphragm (9), adjustable spring (13), bonnet (15), adjusting screw (16) and sealing mechanism, described bottom flange (1) is connected by the lower end of thread connecting mode with valve body (7), described valve rod (6) is arranged in the valve opening of valve inner, fixedly connected with main valve clack (5) in its lower end, be provided with rebound spring (3) between main valve clack (5) and the bottom flange (1), described bonnet (15) is connected by the upper end of thread connecting mode with valve body (7), described diaphragm (9) is arranged on the joint of bonnet (15) between valve body (7), regulate to realize sealing and pressure, be provided with adjustable spring (13) between bonnet (15) and the valve rod (6), described adjusting screw (16) is arranged on the top of bonnet (15), and withstands the upper end of adjustable spring (13) downwards.
In the technique scheme, described sealing mechanism comprises the seal ring (2) that is arranged between bottom flange (1) and the valve body (7), is arranged on the double seal ring (8) between valve rod (6) and the valve body (7).
The lower end of described main valve clack (5) is fixedly connected with main valve clack pressing plate (4), connects the upper end of rebound spring (3) by this main valve clack pressing plate (4).
The upper end of described valve rod (6) also is connected with lock screw (12) by thread connecting mode, between valve rod (6) and lock screw (12), set gradually diaphragm (9), spring lower wall (10) and packing ring (11) from top to bottom, fastening to realize the sealing between valve rod (6) and the diaphragm (9), described spring lower wall (10) is fixedlyed connected the lower end of adjustable spring (13) with packing ring (11).
The connection shaft axis of dish (14), bonnet (15), adjusting screw (16) overlaps on described bottom flange (1), seal ring (2), rebound spring (3), main valve clack pressing plate (4), main valve clack (5), valve rod (6), valve body (7), seal ring (8), diaphragm (9), spring lower wall (10), packing ring (11), lock screw (12), adjustable spring (13), the spring.
Described valve body (7) is decussate texture, its four ends outer surface is provided with outside thread, the end face that the inside of valve body (7) is provided with sealing surface (7e) and main valve clack (5) is in contact with one another sealing, also be provided with valve body upper-end surface (7h) and tongue face (7i) respectively with diaphragm end face (9c) and groove surface (9b) fixing seal, the inner spool (7k) of valve body (7) is on the same axis with valve rod (6), the outside of spool (7k) is provided with two strengthening rib (7g), and the upper end of spool (7k) is provided with several water outlets (7m).
Described valve rod (6) comprises the cylindrical section (6a) that is connected with main valve clack pressing plate (4), the stem groove (6b) that is connected with main valve clack (5), two closure gasket grooves (6c) that are connected with seal ring (8), the lower end of valve rod (6) is provided with convenient interior hexagonal (6e) by instrument locking, the upper end then is provided with the screw hole that is connected with lock screw (12), and the outer surface intermediate portion of valve rod (6) also is provided with strengthening rib (6f).
Compared with prior art, the beneficial effects of the utility model are as follows.
1, reduction valve of the present utility model is combined by three-major-items, promptly is to be distinguished on the socket valve body by upper and lower valve gap by worm structure, makes overall structure simple, and is cheap and practical reliable.
2, the mangetic core assembly of the built-in safety check function of valve body of the present utility model promptly adopts valve rod, main valve clack, main valve clack pressing plate and spring to form as spool, and design of part is simplified, and makes quick for installation.
3, forming each parts of the present utility model all is concentric settings, and by specific water intake setting, makes on the same center line of water outlet and water intake symmetry, realizes connecting pipeline on the same center line.
Description of drawings
Fig. 1 is the structural representation of reduction valve of the present utility model.
Fig. 2 is the structural representation of valve body.
Fig. 3 is the structural representation of valve body.
Fig. 4 is the structural representation of valve body.
Fig. 5 is the structural representation of valve rod.
Fig. 6 is the structural representation of valve rod.
Fig. 7 is the structural representation of diaphragm.
Fig. 8 is the structural representation of diaphragm.
Fig. 9 is the structural representation of lower cover valve.
Figure 10 is the structural representation of lower cover valve.
Figure 11 is the structural representation of loam cake valve.
Figure 12 is the structural representation of loam cake valve.
Figure 13 is the flow channel schematic representation of reduction valve.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1 be the adjustable plastics reduction valve of dual spring of the present utility model general structure, by coil 14 on bottom flange 1, seal ring 2, rebound spring 3, main valve clack pressing plate 4, main valve clack 5, valve rod 6, valve body 7, seal ring 8, diaphragm 9, spring lower wall 10, packing ring 11, lock screw 12, adjustable spring 13, the spring, bonnet 15, adjusting screw 16 constitute, the shaft axis of each parts overlaps.
Be depicted as the structure of valve body 7 as Fig. 2,3,4, be cross structure, four ends are respectively equipped with outside thread 7a, 7b and 7c, and be provided with straight-through type passage 7d, 7f, 7j, 7k, 7l, make and when making, be convenient to depanning with injection mould, simplify injection mould, the sealing surface 7e of valve body 7 and the end face of main valve clack 5 are in contact with one another sealing; Valve body 7 upper-end surface 7h, tongue face 7i respectively with diaphragm end face 9c and groove surface 9b fixing seal better; On valve body 7 inner spool 7k and the valve rod 6 same axis, be used for guiding and slide and sealing mechanism; Two strengthening rib 7g of valve body 7 inner spool make the valve inner spool can bear bigger intake pressure; Several water outlets of valve inner valve core inside spool 7m is used for pressure and flow control.
Be depicted as the structure of valve rod 6 as Fig. 5,6, valve rod 6 and main valve clack pressing plate 4, main valve clack 5, seal ring 8 combinations.Main valve clack 5 is arranged on the stem groove 6b, directly is stuck in the groove with convenient assembling and disassembling; Main valve clack pressing plate 4 is enclosed within valve rod lower end diameter 6a, and is arranged on the lower end surface of main valve clack 5, and two closure gasket groove 6c load onto seal ring 8, make sealing effect more remarkable, and interior hexagonal 6e is convenient to lock with spanner; The centre has several strengthening rib 6f to make its firmer renitency.
Be depicted as the structure of diaphragm 9 as Fig. 7,8, end face 9a is adjacent at bonnet end face 15b; End face 9b, 9c are adjacent to upper-end surface 7h, the groove surface 7i of valve body respectively; Hemisphere 9e is used for the impulse force of steady pressure, also can make its not yielding raising greatly its life-span when long-time that stretch; Two small semicircle 9d are used for sealing.
Be depicted as the structure of bottom flange 1 as Fig. 9,10, internal thread 1a and valve body outside thread 7b are connected and fixed; End face 1b and seal ring 2 are adjacent to; End face 1c and rebound spring 3 lower ends are adjacent to; Outer installment has several ribs 1d to make the staff loading and unloading more convenient, adds hexagon projection 1e, and more a step conveniently locks with spanner.
Be depicted as the structure of bonnet 15 as Figure 11,12, internal thread 15a and valve body outside thread 7c are connected and fixed; Groove 15c is a straight-through structure, and purpose is to be convenient to depanning when making with injection mould; Bonnet 15 outsides are provided with several ribs 15g equally with bottom flange 1, make the staff loading and unloading more convenient, and are provided with hexgonal structure 15h, and more a step conveniently locks with spanner; Bonnet 15 tops tumble in brass material 15e makes its internal thread 15f be connected more durable with adjusting screw 16.
Working procedure of the present utility model is: when adjusting screw 16 up is transferred to when going up most, adjustable spring 13 not action only withstands dish 14 and spring lower wall 10 maintenance balances on the spring, dish 14 is close to bonnet end face 15d on the spring, rebound spring 3 can head on main valve clack pressing plate 4 lower ends and makes the end face of main valve clack 5 and the sealing surface 7e of valve body 7 be adjacent to sealing so, and at this moment reduction valve is to keep state of rest.When adjusting screw 16 timing down, the dish 14 stressed motion promotion adjustable spring 13 same stress deformations that move downward are exerted pressure to spring lower wall 10 again on the spring, valve rod 6 is under pressure also axially toward lower slider, main valve clack 5 is slowly opened, and then rebound spring 3 is subjected to same pressure distortion and the equal supporting force of adjustable spring 13 maintenances, this moment, current cushioned certain pressure difference through diaphragm 9, so at this moment, the pressure that flowed out of reduction valve water outlet is exactly the pressure of being transferred, as shown in figure 13, arrow is depicted as the flow channel direction in the accompanying drawing.
Claims (7)
1. adjustable plastics reduction valve of dual spring, it is characterized in that comprising bottom flange (1), rebound spring (3), main valve clack (5), valve rod (6), valve body (7), diaphragm (9), adjustable spring (13), bonnet (15), adjusting screw (16) and sealing mechanism, described bottom flange (1) is connected by the lower end of thread connecting mode with valve body (7), described valve rod (6) is arranged in the valve opening of valve inner, fixedly connected with main valve clack (5) in its lower end, be provided with rebound spring (3) between main valve clack (5) and the bottom flange (1), described bonnet (15) is connected by the upper end of thread connecting mode with valve body (7), described diaphragm (9) is arranged on the joint of bonnet (15) between valve body (7), regulate to realize sealing and pressure, be provided with adjustable spring (13) between bonnet (15) and the valve rod (6), described adjusting screw (16) is arranged on the top of bonnet (15), and withstands the upper end of adjustable spring (13) downwards.
2. the adjustable plastics reduction valve of dual spring according to claim 1, it is characterized in that described sealing mechanism comprises the seal ring (2) that is arranged between bottom flange (1) and the valve body (7), is arranged on the double seal ring (8) between valve rod (6) and the valve body (7).
3. the adjustable plastics reduction valve of dual spring according to claim 1 and 2 is characterized in that the lower end of described main valve clack (5) is fixedly connected with main valve clack pressing plate (4), connects the upper end of rebound spring (3) by this main valve clack pressing plate (4).
4. the adjustable plastics reduction valve of dual spring according to claim 3, the upper end that it is characterized in that described valve rod (6) also is connected with lock screw (12) by thread connecting mode, between valve rod (6) and lock screw (12), set gradually diaphragm (9), spring lower wall (10) and packing ring (11) from top to bottom, fastening to realize the sealing between valve rod (6) and the diaphragm (9), described spring lower wall (10) is fixedlyed connected the lower end of adjustable spring (13) with packing ring (11).
5. the adjustable plastics reduction valve of dual spring according to claim 4 is characterized in that the connection shaft axis of dish (14), bonnet (15), adjusting screw (16) on described bottom flange (1), seal ring (2), rebound spring (3), main valve clack pressing plate (4), main valve clack (5), valve rod (6), valve body (7), seal ring (8), diaphragm (9), spring lower wall (10), packing ring (11), lock screw (12), adjustable spring (13), the spring overlaps.
6. the adjustable plastics reduction valve of dual spring according to claim 1, it is characterized in that described valve body (7) is decussate texture, its four ends outer surface is provided with outside thread, the end face that the inside of valve body (7) is provided with sealing surface (7e) and main valve clack (5) is in contact with one another sealing, also be provided with valve body upper-end surface (7h) and tongue face (7i) respectively with diaphragm end face (9c) and groove surface (9b) fixing seal, the inner spool (7k) of valve body (7) is on the same axis with valve rod (6), the outside of spool (7k) is provided with two strengthening rib (7g), and the upper end of spool (7k) is provided with several water outlets (7m).
7. the adjustable plastics reduction valve of dual spring according to claim 1, it is characterized in that described valve rod (6) comprises the cylindrical section (6a) that is connected with main valve clack pressing plate (4), the stem groove (6b) that is connected with main valve clack (5), two closure gasket grooves (6c) that are connected with seal ring (8), the lower end of valve rod (6) is provided with convenient interior hexagonal (6e) by instrument locking, the upper end then is provided with the screw hole that is connected with lock screw (12), and the outer surface intermediate portion of valve rod (6) also is provided with strengthening rib (6f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206225580U CN201884739U (en) | 2010-11-24 | 2010-11-24 | Adjustable plastic pressure-reducing valve with double springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206225580U CN201884739U (en) | 2010-11-24 | 2010-11-24 | Adjustable plastic pressure-reducing valve with double springs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884739U true CN201884739U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206225580U Expired - Fee Related CN201884739U (en) | 2010-11-24 | 2010-11-24 | Adjustable plastic pressure-reducing valve with double springs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884739U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678994A (en) * | 2012-05-17 | 2012-09-19 | 浙江维卫电子洁具有限公司 | Novel automatic decompression voltage and current stabilizer |
| CN102966776A (en) * | 2012-12-05 | 2013-03-13 | 吴家仪 | Reducing valve |
| CN103062465A (en) * | 2011-10-18 | 2013-04-24 | 大金工业株式会社 | Pressure adjusting screw mechanism and pressure control valve |
| EP2863092A1 (en) * | 2013-10-17 | 2015-04-22 | Globe Union Industrial Corp. | Regulator valve |
| CN104534134A (en) * | 2014-11-12 | 2015-04-22 | 浙江盾安阀门有限公司 | High-precision diaphragm type muting pressure reduction valve |
| CN104565460A (en) * | 2013-10-17 | 2015-04-29 | 成霖企业股份有限公司 | Pressure-stabilizing valve |
| CN104864143A (en) * | 2015-05-20 | 2015-08-26 | 中国农业大学 | Irrigation multifunctional mass-flow reducing valve |
| CN105003706A (en) * | 2015-08-17 | 2015-10-28 | 成都国光电子仪表有限责任公司 | Natural gas pressure reducing valve with pressure reducing ratio being convenient to adjust |
| CN105179768A (en) * | 2015-08-17 | 2015-12-23 | 成都国光电子仪表有限责任公司 | Natural gas pressure reducing valve beneficial to improving gas exhaust pressure control precision |
| CN107269501A (en) * | 2017-08-10 | 2017-10-20 | 吴瑞昌 | A kind of water cut-off pump |
| CN109260812A (en) * | 2018-09-25 | 2019-01-25 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation filter device |
| CN110815116A (en) * | 2019-11-20 | 2020-02-21 | 四川航天长征装备制造有限公司 | Valve pre-deviation assembly tool and valve assembly method |
-
2010
- 2010-11-24 CN CN2010206225580U patent/CN201884739U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062465A (en) * | 2011-10-18 | 2013-04-24 | 大金工业株式会社 | Pressure adjusting screw mechanism and pressure control valve |
| CN103062465B (en) * | 2011-10-18 | 2015-05-06 | 大金工业株式会社 | Pressure adjusting screw mechanism and pressure control valve |
| CN102678994A (en) * | 2012-05-17 | 2012-09-19 | 浙江维卫电子洁具有限公司 | Novel automatic decompression voltage and current stabilizer |
| CN102966776A (en) * | 2012-12-05 | 2013-03-13 | 吴家仪 | Reducing valve |
| EP2863092A1 (en) * | 2013-10-17 | 2015-04-22 | Globe Union Industrial Corp. | Regulator valve |
| CN104565460A (en) * | 2013-10-17 | 2015-04-29 | 成霖企业股份有限公司 | Pressure-stabilizing valve |
| CN104534134B (en) * | 2014-11-12 | 2017-07-21 | 浙江盾安阀门有限公司 | The Jing Yin pressure-reducing valve of high-precision membrane chip |
| CN104534134A (en) * | 2014-11-12 | 2015-04-22 | 浙江盾安阀门有限公司 | High-precision diaphragm type muting pressure reduction valve |
| CN104864143A (en) * | 2015-05-20 | 2015-08-26 | 中国农业大学 | Irrigation multifunctional mass-flow reducing valve |
| CN105003706A (en) * | 2015-08-17 | 2015-10-28 | 成都国光电子仪表有限责任公司 | Natural gas pressure reducing valve with pressure reducing ratio being convenient to adjust |
| CN105179768A (en) * | 2015-08-17 | 2015-12-23 | 成都国光电子仪表有限责任公司 | Natural gas pressure reducing valve beneficial to improving gas exhaust pressure control precision |
| CN105003706B (en) * | 2015-08-17 | 2017-10-31 | 成都国光电子仪表有限责任公司 | A kind of Pressure reducing ratio is easy to the natural gas pressure-reducing valve of regulation |
| CN105179768B (en) * | 2015-08-17 | 2017-10-31 | 成都国光电子仪表有限责任公司 | A kind of natural gas pressure-reducing valve for being beneficial to improve outlet pressure control accuracy |
| CN107269501A (en) * | 2017-08-10 | 2017-10-20 | 吴瑞昌 | A kind of water cut-off pump |
| CN109260812A (en) * | 2018-09-25 | 2019-01-25 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation filter device |
| CN110815116A (en) * | 2019-11-20 | 2020-02-21 | 四川航天长征装备制造有限公司 | Valve pre-deviation assembly tool and valve assembly method |
| CN110815116B (en) * | 2019-11-20 | 2021-03-30 | 四川航天长征装备制造有限公司 | Valve pre-deviation assembly tool and valve assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20131124 |