CN104855362A - Pressure adjusting device of sprayer spraying gun - Google Patents
Pressure adjusting device of sprayer spraying gun Download PDFInfo
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- CN104855362A CN104855362A CN201510296397.8A CN201510296397A CN104855362A CN 104855362 A CN104855362 A CN 104855362A CN 201510296397 A CN201510296397 A CN 201510296397A CN 104855362 A CN104855362 A CN 104855362A
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- pressure
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- sprayer
- spray gun
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Abstract
A pressure adjusting device of a sprayer spraying gun comprises the spraying gun of a sprayer and is characterized in that a pressure adjusting valve is arranged in the spraying gun, the pressure adjusting valve comprises a valve body, a valve cavity is arranged in the valve body, a hollow column is arranged in the valve cavity, the hollow column divides the valve cavity into an outer valve cavity and an inner valve cavity, a left connector, a right connector and an upper connector are arranged on the valve body, the left connector and the right connector are connected with the spraying gun respectively, the upper connector is connected with a spring cap, a film piece is arranged in the upper connector, the lower face of the film piece is in contact with the hollow column, a valve element is arranged in the upper connector on the upper face of the film piece, a spring is arranged on the valve element, one end of the spring is in contact with the valve element, and the other end of the spring is in contact with the inner wall of the spring cap.
Description
Technical field
The present invention relates to spray gun of sprayer, particularly relate to the pressure-regulating device of spray gun of sprayer.
Background technology
Sprayer is in the process used, by the impact of reciprocating piston and operator's frequent operation switch, pressure change in pipeline is frequent, cause the pressure oscillation of shower nozzle place larger, droplet is uneven, and particularly when pressure is lower, spray angle is little, droplet is thick, droplet easily drops onto ground, seriously have impact on pesticide supplying effect, and contaminated environment.
Summary of the invention
The object of the invention is the shortcoming existed to overcome prior art, there is provided a kind of and limit minimum atomisation pressure, make that the fog horn of ejection is consistent, droplet is even, ensure spray effect, optimum utilization can be stored in the pressure in air chamber thus reduce and inflate the pressure-regulating device of spray gun of sprayer of frequency.
The technical scheme of the pressure-regulating device of spray gun of sprayer of the present invention is: the spray gun comprising sprayer, it is characterized in that arranging pressure-regulating valve in described spray gun, described pressure-regulating valve comprises valve body, valve pocket is had in valve body, hollow posts is shaped with in valve pocket, valve pocket is divided into outer valve pocket and internal valve cavity by hollow posts, valve body is shaped with left joint, right connector and top connection, left, right connector connects spray gun respectively, top connection linking springs cap, in top connection, diaphragm is set, contact with hollow posts below diaphragm, be positioned at top connection above diaphragm and spool is set, spool arranges spring, one, spring contacts with spool, other end contacts with the inwall of spring compressor.
The invention discloses a kind of pressure-regulating device of spray gun of sprayer, by arranging pressure-regulating valve in the spray gun of sprayer, mainly comprise valve body, valve body has a left side, right, top connection, top connection linking springs cap, hollow posts is had in valve body, valve pocket is divided into outer valve pocket and internal valve cavity by hollow posts, valve pocket arranges diaphragm, diaphragm lid outside, in internal valve cavity, diaphragm arranges spool, spool arranges spring, its operation principle ejects spool downwards by the elastic force of spring, spool withstands diaphragm, and diaphragm is with outer, the top seal contact of internal valve cavity, outside making, internal valve cavity is not communicated with mutually, during work, people pressurize to sprayer, when hydraulic pressure reaches certain pressure, liquid in sprayer overcomes spring force, upwardly diaphragm, outside making, internal valve cavity is interconnected, agricultural chemicals is sprayed, the agricultural chemicals pressure now sprayed is large, fog horn is consistent, the shock-absorbing of diaphragm energy, reduce pulsation, make ejection droplet even, droplet is avoided to drop onto on ground, ensure that spray effect, when atomisation pressure is less than spring force, spring promotes spool downwards again, spool compresses diaphragm downwards, diaphragm is again with outward, the top seal contact of internal valve cavity, thus pressure can be avoided too small and agricultural chemicals is sprayed, in addition can the precompression of setting spring as required, the spring of different elastic force, the pressure limited is different, spring force is larger, need the hydraulic pressure promoting diaphragm also larger, spring force is less, need the hydraulic pressure promoting diaphragm also less.
The pressure-regulating device of spray gun of sprayer of the present invention, be shaped with lower convex ring under described diaphragm periphery, in top connection, be shaped with sealing ring, sealing ring and lower convex ring are sealed and matched.There are sealing ring and lower convex ring, made diaphragm and valve pocket top keep good sealing, avoid the hydraulic pressure in valve pocket to enter top connection.Described diaphragm is shaped with locating dowel, in spool, is shaped with locating hole, locating hole matches with locating dowel.There is locating dowel, made spool accurate positioning, avoided spool and spring biases, and affect the pressure of diaphragm and whole pressure-regulating valve.Described spray gun comprises handle, and handle arranges switch, the carrier pipe of a connection sprayer of handle, and other end connects spray boom, and spray boom connects shower nozzle, and described pressure-regulating valve is arranged between switch and spray boom.Described spray gun comprises handle, and handle arranges switch, the carrier pipe of a connection sprayer of handle, and other end connects spray boom, and spray boom connects shower nozzle, and described pressure-regulating valve is arranged between spray boom and shower nozzle.According to product structure needs, the position of pressure-regulating valve can be set, and pressure-regulating valve be arranged on diverse location do not affect its use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pressure-regulating device of spray gun of sprayer of the present invention;
Fig. 2 is the schematic perspective view that pressure-regulating valve is arranged between spray boom and shower nozzle;
Fig. 3 is the schematic perspective view that pressure-regulating valve is arranged between switch and spray boom;
Fig. 4 is the schematic perspective view of valve body;
Fig. 5 is the structural representation of diaphragm.
Embodiment
The present invention relates to a kind of pressure-regulating device of spray gun of sprayer, as Figure 1-Figure 5, comprise the spray gun of sprayer, it is characterized in that: in described spray gun, pressure-regulating valve is set, described pressure-regulating valve comprises valve body 6, valve pocket is had in valve body, hollow posts 7 is shaped with in valve pocket, valve pocket is divided into outer valve pocket 8 and internal valve cavity 9 by hollow posts, valve body is shaped with left joint 10, right connector 11 and top connection 12, left, right connector connects spray gun respectively, top connection linking springs cap 13, diaphragm 14 is set in top connection, contact with hollow posts 7 below diaphragm, be positioned at top connection 12 above diaphragm and spool 15 is set, spool is arranged spring 16, one, spring contacts with spool, other end contacts with the inwall of spring compressor 13.By arranging pressure-regulating valve 5 in the spray gun of sprayer, mainly comprise valve body 6, valve body has a left side, right, top connection 10, 11, 12, top connection linking springs cap 13, hollow posts 7 is had in valve body, valve pocket is divided into outer valve pocket 8 and internal valve cavity 9 by hollow posts, valve pocket is arranged diaphragm 14, diaphragm lid outside, in internal valve cavity, diaphragm is arranged spool 15, spool is arranged spring 16, its operation principle ejects spool downwards by the elastic force of spring, spool withstands diaphragm 14, and diaphragm is with outer, internal valve cavity 8, the top seal contact of 9, outside making, internal valve cavity is not communicated with mutually, during work, people pressurize to sprayer, when hydraulic pressure reaches certain pressure, hydraulic pressure in sprayer and agricultural chemicals overcome spring force, upwardly diaphragm 14, outside making, internal valve cavity 8, 9 are interconnected, agricultural chemicals is sprayed, the agricultural chemicals pressure now sprayed is large, fog horn is consistent, the shock-absorbing of diaphragm 14 energy, reduce pulsation, make ejection droplet even, droplet is avoided to drop onto on ground, ensure that spray effect, when atomisation pressure is less than spring 16 elastic force, spring promotes spool 15 downwards again, spool compresses diaphragm 14 downwards, diaphragm is again with outward, internal valve cavity 8, the top seal contact of 9, thus pressure can be avoided too small and agricultural chemicals is sprayed, in addition can the precompression of setting spring 16 as required, the spring of different elastic force, the pressure limited is different, spring force is larger, need the hydraulic pressure promoting diaphragm 14 also larger, spring 16 power is less, need the hydraulic pressure promoting diaphragm also less.Be shaped with lower convex ring 19 under described diaphragm 14 periphery, in top connection 12, be shaped with sealing ring 20, sealing ring and lower convex ring are sealed and matched.There are sealing ring 20 and lower convex ring 19, made diaphragm 14 and valve pocket top keep good sealing, avoid the hydraulic pressure in valve pocket to enter top connection 12.Described diaphragm 14 is shaped with locating dowel 17, and in spool 15, be shaped with locating hole 18, locating hole matches with locating dowel.There is locating dowel 17, made spool 15 accurate positioning, avoided spool and spring 16 to offset, and affect the pressure of diaphragm 14 and whole pressure-regulating valve 5.Described spray gun comprises handle 1, handle is arranged switch 2, the carrier pipe of a connection sprayer of handle, and other end connects spray boom 3, and spray boom connects shower nozzle 4, and described pressure-regulating valve 5 is arranged between switch 2 and spray boom 3.Described spray gun comprises handle 1, handle is arranged switch 2, the carrier pipe of a connection sprayer of handle, and other end connects spray boom 3, and spray boom connects shower nozzle 4, and described pressure-regulating valve 5 is arranged between spray boom 3 and shower nozzle 4.According to product structure needs, the position of pressure-regulating valve 5 can be set, and pressure-regulating valve be arranged on diverse location do not affect its use.
Claims (5)
1. the pressure-regulating device of spray gun of sprayer, comprise the spray gun of sprayer, it is characterized in that: pressure-regulating valve (5) is set in described spray gun, described pressure-regulating valve comprises valve body (6), valve pocket is had in valve body, hollow posts (7) is shaped with in valve pocket, valve pocket is divided into outer valve pocket (8) and internal valve cavity (9) by hollow posts, valve body is shaped with left joint (10), right connector (11) and top connection (12), left, right connector connects spray gun respectively, top connection linking springs cap (13), diaphragm (14) is set in top connection, contact with hollow posts (7) below diaphragm, be positioned at top connection (12) above diaphragm and spool (15) is set, spool is arranged spring (16), one, spring contacts with spool, other end contacts with the inwall of spring compressor (13).
2. the pressure-regulating device of spray gun of sprayer as claimed in claim 1, it is characterized in that: be shaped with lower convex ring (19) under described diaphragm (14) periphery, in top connection (12), be shaped with sealing ring (20), sealing ring and lower convex ring are sealed and matched.
3. the pressure-regulating device of spray gun of sprayer as claimed in claim 1, is characterized in that: described diaphragm (14) is shaped with locating dowel (17), and in spool (15), be shaped with locating hole (18), locating hole matches with locating dowel.
4. the pressure-regulating device of spray gun of sprayer as claimed in claim 1, it is characterized in that: described spray gun comprises handle (1), handle is arranged switch (2), the carrier pipe of a connection sprayer of handle, other end connects spray boom (3), spray boom connects shower nozzle (4), and described pressure-regulating valve (5) is arranged between switch (2) and spray boom (3).
5. the pressure-regulating device of spray gun of sprayer as claimed in claim 1, it is characterized in that: described spray gun comprises handle (1), handle is arranged switch (2), the carrier pipe of a connection sprayer of handle, other end connects spray boom (3), spray boom connects shower nozzle (4), and described pressure-regulating valve (5) is arranged between spray boom (3) and shower nozzle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296397.8A CN104855362A (en) | 2015-06-03 | 2015-06-03 | Pressure adjusting device of sprayer spraying gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296397.8A CN104855362A (en) | 2015-06-03 | 2015-06-03 | Pressure adjusting device of sprayer spraying gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104855362A true CN104855362A (en) | 2015-08-26 |
Family
ID=53901894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510296397.8A Pending CN104855362A (en) | 2015-06-03 | 2015-06-03 | Pressure adjusting device of sprayer spraying gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104855362A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763806A (en) * | 2016-12-15 | 2017-05-31 | 市下控股有限公司 | The pressure-regulating valve of spray gun of sprayer |
| CN107940061A (en) * | 2017-12-15 | 2018-04-20 | 市下控股有限公司 | The pressure-regulating valve of modified spray gun of sprayer |
| CN110374046A (en) * | 2019-08-01 | 2019-10-25 | 三门踱哒环保设备有限公司 | A kind of auto cleaning system for rail |
| CN111802356A (en) * | 2020-05-27 | 2020-10-23 | 台州市绿蜻蜓喷雾器股份有限公司 | Sprayer for farmland |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2639194A (en) * | 1950-12-21 | 1953-05-19 | Spraying Systems Co | Antidrip valve for spray nozzles |
| GB1507527A (en) * | 1974-10-23 | 1978-04-19 | Bosch Gmbh Robert | Washing equipment for screens of motor vehicles |
| US6026850A (en) * | 1996-02-27 | 2000-02-22 | Global Agricultural Technology And Engineering, Llc | Pressure regulating valve |
| WO2000039651A1 (en) * | 1998-12-23 | 2000-07-06 | Global Agricultural Technology And Engineering, Llc | Constant flow valve |
| CN1668381A (en) * | 2002-07-18 | 2005-09-14 | 马蒂金属加工工业有限公司 | Selectable rotary sprayer |
| CN201129514Y (en) * | 2007-11-28 | 2008-10-08 | 农业部南京农业机械化研究所 | Voltage-stabilizing drip stopping valve |
| CN202588131U (en) * | 2012-05-10 | 2012-12-12 | 市下控股有限公司 | Pressure adjusting and stabilizing device for spray gun of sprayer |
| CN204742318U (en) * | 2015-06-03 | 2015-11-11 | 市下控股有限公司 | Pressure adjustment assembly of atomizer spray gun |
-
2015
- 2015-06-03 CN CN201510296397.8A patent/CN104855362A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2639194A (en) * | 1950-12-21 | 1953-05-19 | Spraying Systems Co | Antidrip valve for spray nozzles |
| GB1507527A (en) * | 1974-10-23 | 1978-04-19 | Bosch Gmbh Robert | Washing equipment for screens of motor vehicles |
| US6026850A (en) * | 1996-02-27 | 2000-02-22 | Global Agricultural Technology And Engineering, Llc | Pressure regulating valve |
| WO2000039651A1 (en) * | 1998-12-23 | 2000-07-06 | Global Agricultural Technology And Engineering, Llc | Constant flow valve |
| CN1668381A (en) * | 2002-07-18 | 2005-09-14 | 马蒂金属加工工业有限公司 | Selectable rotary sprayer |
| CN201129514Y (en) * | 2007-11-28 | 2008-10-08 | 农业部南京农业机械化研究所 | Voltage-stabilizing drip stopping valve |
| CN202588131U (en) * | 2012-05-10 | 2012-12-12 | 市下控股有限公司 | Pressure adjusting and stabilizing device for spray gun of sprayer |
| CN204742318U (en) * | 2015-06-03 | 2015-11-11 | 市下控股有限公司 | Pressure adjustment assembly of atomizer spray gun |
Non-Patent Citations (3)
| Title |
|---|
| 何雄奎: "《药械与施药技术》", 28 February 2013 * |
| 孙德文 等: "喷雾器的防滴漏装置和应用效果", 《现代化农业》 * |
| 王忠群等: "《植保机械的使用与维护》", 31 January 2000 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763806A (en) * | 2016-12-15 | 2017-05-31 | 市下控股有限公司 | The pressure-regulating valve of spray gun of sprayer |
| CN107940061A (en) * | 2017-12-15 | 2018-04-20 | 市下控股有限公司 | The pressure-regulating valve of modified spray gun of sprayer |
| CN110374046A (en) * | 2019-08-01 | 2019-10-25 | 三门踱哒环保设备有限公司 | A kind of auto cleaning system for rail |
| CN111802356A (en) * | 2020-05-27 | 2020-10-23 | 台州市绿蜻蜓喷雾器股份有限公司 | Sprayer for farmland |
| CN111802356B (en) * | 2020-05-27 | 2021-09-14 | 台州市绿蜻蜓喷雾器股份有限公司 | Sprayer for farmland |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150826 |
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| RJ01 | Rejection of invention patent application after publication |