CN201748000U - Special water drain valve for pipe end of irrigation system - Google Patents
Special water drain valve for pipe end of irrigation system Download PDFInfo
- Publication number
- CN201748000U CN201748000U CN2010202605241U CN201020260524U CN201748000U CN 201748000 U CN201748000 U CN 201748000U CN 2010202605241 U CN2010202605241 U CN 2010202605241U CN 201020260524 U CN201020260524 U CN 201020260524U CN 201748000 U CN201748000 U CN 201748000U
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- CN
- China
- Prior art keywords
- discharge opening
- irrigation system
- end wall
- sheet rubber
- connecting port
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- Expired - Lifetime
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Abstract
The utility model discloses a special water drain valve for the pipe end of an irrigation system. A sheet rubber stool is installed in a valve body in a matching way. Water drain port and a communicating port are arranged on the end wall of the front part of the valve body. The water drain port is arranged on the inner wall surface of the end wall around the communicating port in a surrounding way. An annular raised platform which encloses the water drain port and the communicating port is arranged on the internal side wall of the end wall. A spiral spring is installed in a pipe body which is arranged on the communicating port surrounded by the annular raised platform. The spiral spring is fixedly connected with the sheet rubber spool in a matching way. The sheet rubber spool can be in full contact with the annular raised platform to plug the water drain port. The utility model has the advantages that the structure is reasonable, the residual water accumulated in the pipe of the irrigation system can be automatically drained, the adaptability is high and the accumulated water in the pipe is effectively prevented from being frozen and frost-cracking the pipe. The water drain valve is particularly suitable for regions in a temperate continental climate.
Description
Technical field
The utility model relates to the drip-irrigation water valve, belongs to the improvement of valve body structure, particularly is exclusively used in the drain valve of irrigation system pipe end.
Background technique
At present, a large amount of drip irrigation systems of popularizing are widely used in northern China lack of water field short of rain, all need at different time correspondingly spring irrigation to be carried out in the field in the non-phase in winter by drip irrigation system, summer irritates and autumn irrigation, with operation that the field following soil of soil table is preserved moisture, make seedling or crops lack of water to avoid the soil to dry up and large size death, because before arriving in the winter time, need carry out the autumn irrigation operation of preserving moisture to the field by irrigation systems such as dropper band or irrigation conduits, after finishing the autumn irrigation operation at every turn, in dropper band or irrigation conduit etc., still have because of irrigating residual a large amount of surplus water last time, these surplus water can not be expelled to the open air automatically, thereby come interim in the winter time, zero degrees celsius is following to be frozen into ice with these remaining surplus water in dropper band or irrigation conduit etc. because temperature is reduced to, if surplus water is too much, residual water will be frozen, and its volume increases and then expands, with spallings such as dropper band or irrigation conduits, dropper band or irrigation conduit are seriously damaged.
The model utility content
The purpose of this utility model is to provide a kind of drain valve that is exclusively used in the irrigation system pipe end, it is rational in infrastructure, the residuary waters of accumulating in the irrigation system road in time can be discharged automatically, adaptability is strong, prevent that effectively the water in the pipeline from freezing frost crack pipe, is particularly useful for having the region of continent temperate climate characteristics.
The purpose of this utility model is achieved in that a kind of drain valve that is exclusively used in the irrigation system pipe end, comprise valve body, valve body back side valve port is being provided with on the water outlet that outside thread is installed in the irrigation system pipe end by its periphery wall, on the connecting port of offering in the center portion of the end wall of valve body front portion body is being set, on the end wall around this connecting port, discharge opening is being set, nut matches by the outside thread that is provided with on the internal thread that is provided with on its inner circle wall and the body periphery wall nut is contained on the mouth of pipe of body, in body, cooperate slide guide bar and helical spring are installed, the helical spring engage sleeves is on slide guide bar periphery wall, the anterior body of rod of slide guide bar passes the through hole offered in the heart in the nut end wall and with it movingly, helical spring front end is fixed on the nut end wall inner side surface, slide guide rod rear end and sheet rubber spool are affixed, and the helical spring rear end also is fixed on the sheet rubber spool; Be equipped with the discharge opening that is looped around around the above-mentioned connecting port on the end wall that is positioned at around the above-mentioned connecting port, on the inner side surface of the end wall of valve body, annular boss is being set, this annular boss is projection on the inner side surface of end wall, and be looped around around the discharge opening with discharge opening and connecting port circle therein, sheet rubber spool can match to seal discharge opening with annular boss.
Working principle of the present utility model is: when irrigation system begins irrigation operation, the sheet rubber spool pressure that current act on the sheet rubber spool that is subjected to flowing in the irrigation system moves greater than the elastic restoring force and then the connecting port of pushing sheet rubber valve core on the valve body front bulkhead of helical spring self, meanwhile, helical spring compresses and has stored the elastic potential energy of enough its natural lengths of recovery owing to the indirect pushing that is subjected to sheet rubber spool, contact by force with around being arranged on the extruding that matches fully of annular boss around the connecting port until the front-end face that makes sheet rubber spool, thereby make discharge opening by shutoff; After irrigation system is finished irrigation operation, the irrigation system water flow pressure declines to a great extent, because of helical spring recover self originally the elastic restoring force of length greater than the water flow pressure in the irrigation system after stopping irritating, helical spring then can overcome water flow pressure naturally and be stretched to the original length, and together pushing tow sheet rubber valve core makes it break away from annular boss, so that discharge opening is opened, at this moment, irrigation system is stopped irritating its inner residual water of back and then can (because of gravity) be discharged from by discharge opening, so far, all finish an irrigation system and water the work of pouring water and discharging remaining ponding, so just can solve the irrigation system pipeline effectively fully in the winter time by the problem of ponding bursting by freezing.
In addition, helical spring front end of the present utility model is fixed on the nut, nut matches by the outside thread that is provided with on the body that is provided with on its internal thread and the valve body front end end wall and is connected, it is installed on the body mouth of pipe, just, the moving nut of derotation can corresponding spacing of regulating between sheet rubber valve core and the annular boss, promptly can just pass through according to the irrigation system of location physical features, the moving nut of derotation is with the elastic force size of adjusting color screw spring self-recovery original length, make irrigation system after stopping filling, immediately sheet rubber spool is pushed away annular boss, guarantee that discharge opening is opened fully, the residual water that accumulates in the irrigation system is discharged from.Because the water flow pressure after it stops irritating in the irrigation system of different physical features differs greatly, can be according to the situation of change of physical features, but use the nut of turn to adjust the helical spring position, can change the active force of helical spring roof pressure sheet rubber spool, adapt to the different situation of bringing because of different physical features of water flow pressure.The local pipe network big in relief rises and falls also big, residual ponding pressure in the irrigation system will be bigger, at this moment, the water flow pressure that sheet rubber spool is subjected to is corresponding also bigger, at this point under the gesture situation, can be with the turn of nut forward, promptly move with suitable adjustment to the valve body front bulkhead, to increase helical spring compressive force, increase is to the thrust of sheet rubber spool, after reaching irrigation system and quitting work, the purpose with sheet rubber spool and discharge opening in time are separated makes the residuary waters of accumulating discharge from discharge opening; As in the smooth place of physical features, pipe network rises and falls little, the pressure of the residuary waters of accumulating in the pipeline will correspondingly diminish, in the case, with nut suitably adjustment of turn do round about, reduce helical spring compressive force, reduce active force, can guarantee that the residuary waters in long-pending village is discharged smoothly from discharge opening sheet rubber spool.
Briefly can learn by above-mentioned the mechanism principle analysis, the utility model is rational in infrastructure, the residuary waters of accumulating in the irrigation system road in time can be discharged automatically, and adaptability is strong, prevent that effectively the water in the pipeline from freezing frost crack pipe, is particularly useful for having the region of continent temperate climate characteristics.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 looks the sectional structure schematic representation for master of the present utility model;
Fig. 2 is the main body cross-sectional view of A-A among Fig. 1 to (removing helical spring);
Fig. 3 is the structure enlarged diagram of the utility model discharge opening shape of cross section.
Embodiment
A kind of drain valve that is exclusively used in the irrigation system pipe end, as depicted in figs. 1 and 2, comprise valve body 7, valve body 7 back side valve ports are being provided with on the water outlet that outside thread 8 is installed in the irrigation system pipe end by its periphery wall, on the connecting port of offering in the center portion of the end wall 12 of valve body 7 front portions body 10 is being set, on the end wall 12 around this connecting port, discharge opening 4 is being set, nut 1 matches by the outside thread 2 that is provided with on the internal thread that is provided with on its inner circle wall and body 10 periphery walls nut 1 is installed on the mouth of pipe of body 10, in body 10, cooperate slide guide bar 9 and helical spring 3 are installed, helical spring 3 engage sleeves are on slide guide bar 9 periphery walls, the anterior body of rod of slide guide bar 9 passes the through hole offered in the heart in nut 1 end wall 11 and with it movingly, the front end of helical spring 3 is fixed on the nut 1 end wall inner side surface, slide guide bar 9 rear ends and sheet rubber spool 6 are affixed, and helical spring 3 rear ends also are fixed on the sheet rubber spool 6; Be equipped with the discharge opening 4 that is looped around around the above-mentioned connecting port on the end wall 12 that is positioned at around the above-mentioned connecting port, on the inner side surface of the end wall 12 of valve body 7, annular boss 5 is being set, this annular boss 5 is projection on the inner side surface of end wall 12, and be looped around around the discharge opening 4 with discharge opening 4 and connecting port circle therein, sheet rubber spool 6 can match to seal discharge opening 4 with annular boss 5.
As shown in Figure 3, described discharge opening 4 is looped around on the end wall 12 around the above-mentioned connecting port, and uniform to be arranged on sheet rubber spool 6 central axis be on the periphery in the center of circle; Discharge opening 4 its shape of cross sections external arc line segment L that center of circle O coincides by two radius differences
AWith interior circular arc line segment L
BAnd the straightway L of two symmetries
CConstitute external arc line segment L
AWith interior circular arc line segment L
BTwo ends respectively by straightway L
CBe connected and the closed shape that constitutes discharge opening 4 cross sections.
External arc line segment L
ARadian greater than interior circular arc line segment L
BRadian.The anterior body of rod of slide guide bar 9 cooperates with through hole 11 motive sealings.
Claims (4)
1. drain valve that is exclusively used in the irrigation system pipe end, comprise valve body (7), it is characterized in that: valve body (7) back side valve port is being provided with outside thread (8) by its periphery wall and is being installed on the water outlet of irrigation system pipe end, on the connecting port of offering in the center portion of the anterior end wall (12) of valve body (7) body (10) is being set, on the end wall (12) around this connecting port, discharge opening (4) is being set, nut (1) matches by the outside thread (2) that is provided with on the internal thread that is provided with on its inner circle wall and body (10) periphery wall nut (1) is installed on the mouth of pipe of body (10), in body (10), cooperate slide guide bar (9) and helical spring (3) are installed, helical spring (3) engage sleeves is on slide guide bar (9) periphery wall, the anterior body of rod of slide guide bar (9) passes the through hole (11) offered in the heart in nut (1) end wall and with it movingly, the front end of helical spring (3) is fixed on nut (1) the end wall inner side surface, slide guide bar (9) rear end and sheet rubber spool (6) are affixed, and helical spring (3) rear end also is fixed on the sheet rubber spool (6); Be equipped with the discharge opening (4) that is looped around around the above-mentioned connecting port on the end wall (12) that is positioned at around the above-mentioned connecting port, on the inner side surface of the end wall (12) of valve body (7), annular boss (5) is being set, this annular boss (5) is projection on the inner side surface of end wall (12), and being looped around discharge opening (4) with discharge opening (4) and connecting port circle therein on every side, sheet rubber spool (6) can match with annular boss (5) to seal discharge opening (4).
2. the drain valve that is exclusively used in the irrigation system pipe end according to claim 1, it is characterized in that: described discharge opening (4) is looped around on the end wall (12) around the above-mentioned connecting port, and uniform to be arranged on sheet rubber spool (6) central axis be on the periphery in the center of circle; Its shape of cross section of discharge opening (4) external arc line segment (L that center of circle O coincides by two radius differences
A) and interior circular arc line segment (L
B) and the straightway (L of two symmetries
C) constitute external arc line segment (L
A) and interior circular arc line segment (L
B) two ends respectively by straightway (L
C) be connected and the closed shape that constitutes discharge opening (4) cross section.
3. the drain valve that is exclusively used in the irrigation system pipe end according to claim 2 is characterized in that: external arc line segment (L
A) radian greater than interior circular arc line segment (L
B) radian.
4. the drain valve that is exclusively used in the irrigation system pipe end according to claim 1 is characterized in that: the anterior body of rod of slide guide bar (9) cooperates with through hole (11) motive sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202605241U CN201748000U (en) | 2010-07-16 | 2010-07-16 | Special water drain valve for pipe end of irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202605241U CN201748000U (en) | 2010-07-16 | 2010-07-16 | Special water drain valve for pipe end of irrigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201748000U true CN201748000U (en) | 2011-02-16 |
Family
ID=43582678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202605241U Expired - Lifetime CN201748000U (en) | 2010-07-16 | 2010-07-16 | Special water drain valve for pipe end of irrigation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201748000U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321278A (en) * | 2013-07-05 | 2013-09-25 | 张明文 | Automatic drainage device and fluid circulation pipeline system |
| CN104110501A (en) * | 2014-06-24 | 2014-10-22 | 上海交通大学 | Water drain valve special for farm irrigation |
| CN105370938A (en) * | 2015-12-01 | 2016-03-02 | 东北农业大学 | Automatic water draining device of sprinkling machine |
| CN109623226A (en) * | 2019-03-02 | 2019-04-16 | 陈丹虹 | The improved tooling of structure is with andante on a kind of air-conditioning pipe valve welding equipment |
| CN110637706A (en) * | 2019-09-25 | 2020-01-03 | 黎兴才 | Irrigation and drainage mechanical equipment for modern agriculture |
| CN111837892A (en) * | 2020-08-12 | 2020-10-30 | 湖南地球仓科技有限公司 | Roof vegetation irrigation system |
-
2010
- 2010-07-16 CN CN2010202605241U patent/CN201748000U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321278A (en) * | 2013-07-05 | 2013-09-25 | 张明文 | Automatic drainage device and fluid circulation pipeline system |
| CN103321278B (en) * | 2013-07-05 | 2015-06-24 | 张明文 | Automatic drainage device and fluid circulation pipeline system |
| CN104110501A (en) * | 2014-06-24 | 2014-10-22 | 上海交通大学 | Water drain valve special for farm irrigation |
| CN105370938A (en) * | 2015-12-01 | 2016-03-02 | 东北农业大学 | Automatic water draining device of sprinkling machine |
| CN109623226A (en) * | 2019-03-02 | 2019-04-16 | 陈丹虹 | The improved tooling of structure is with andante on a kind of air-conditioning pipe valve welding equipment |
| CN110637706A (en) * | 2019-09-25 | 2020-01-03 | 黎兴才 | Irrigation and drainage mechanical equipment for modern agriculture |
| CN111837892A (en) * | 2020-08-12 | 2020-10-30 | 湖南地球仓科技有限公司 | Roof vegetation irrigation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160819 Address after: 830013 the Xinjiang Uygur Autonomous Region high tech Zone of Urumqi city (urban) ring Park Lunan 2 Lane No. 90 Building 1 buildings Patentee after: Xinjiang new ring monitoring and Testing Institute (Co., Ltd.) Address before: 830000, No. 15, North Zone, hi tech Zone, the Xinjiang Uygur Autonomous Region, Urumqi Patentee before: Xinjiang Hongke Water-Saving Equipment Manufacture Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |
|
| CX01 | Expiry of patent term |