CN205756808U - A kind of weeder nozzle of anti-hot reflux - Google Patents
A kind of weeder nozzle of anti-hot reflux Download PDFInfo
- Publication number
- CN205756808U CN205756808U CN201620488161.4U CN201620488161U CN205756808U CN 205756808 U CN205756808 U CN 205756808U CN 201620488161 U CN201620488161 U CN 201620488161U CN 205756808 U CN205756808 U CN 205756808U
- Authority
- CN
- China
- Prior art keywords
- cover body
- weeder
- nozzle
- venthole
- folding portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The utility model discloses the weeder nozzle of a kind of anti-hot reflux, including cover body with for the connecting portion being connected with weeder body, described connecting portion is arranged on covering on top, it is characterised in that: the bottom of described cover body is provided with folding portion, and cover body, connecting portion, folding portion one is connected；The circle turnover face that described folding portion includes extending towards outside from the bottom outside of cover body and formed and the support that the outward flange from turnover face downwardly extends, the distance between at least one venthole, and the bottom face of described venthole and described support is offered less than or equal to 2cm on described turnover face.Thus achieve hot-air and be only channeled to need the position of weeding, folding portion can play the effect preventing air return, and the venthole on turnover face also can guide air-flow to discharge, air-flow can also cool down while discharging, thus avoid damage to the vegetation needing to retain of surrounding, and guarantee the safety of user.
Description
Technical field
This utility model relates to the technical field of weeder, a kind of nozzle that can prevent hot reflux on weeder.
Background technology
The predominantly organic tool of method that farmland weed is prevented and kill off, chemistry, manpower, electrostatic, biological weed control etc..In recent years, owing to the high efficiency of chemical weed control has become main weeding system, but being widely used of chemical weed control method has also caused a series of agricultural environment to deteriorate and Food Security.Therefore, herbicidal methods non-chemically starts more and more to be paid attention to.Such as weeding by machine, evanescence of heat grass etc., but weeding by machine can cause the evaporation of serious moisture to be lost, and the place rare in water resource need to use with caution.
And evanescence of heat grass provides a kind of method not using herbicide, its principle is the air weeding deinsectization after utilizing heating.Chinese patent such as Patent No. 201420592889.2 (notification number is CN204070269U), disclose a kind of Novel hot-air weeding deinsectization device, including electric cabinet, heating unit and air inducing unit, heating unit includes casing and the resistance wire being arranged in casing, air inducing unit includes ventilating duct, the exhaust blower being fixed in ventilating duct and one end connect other end horn opening three part towards ground with the air vent of ventilating duct, after heating unit is opened, air in casing is heated by resistance wire, after being heated to the temperature needed, open air inducing unit, heat is discharged in ventilating duct by aerator, by exhaust blower, heat and wind are discharged on the ground by horn opening again.
Above-mentioned hot blast weeding deinsectization device, the air-outlet part of air inducing unit is only a horn opening, then after weeds are destroyed by hot-air, it is impossible to process hot-air.Therefore, when destroying after weeds, hot-air trends towards backing up so that device superheated and damage；Additionally, hot-air trends towards discharging from the lower limb of horn opening, thus cause the non-weeds vegetation of surrounding destroyed, thus bring unnecessary loss, even the safety of user is threatened.
Utility model content
Technical problem to be solved in the utility model is the problem existed for above-mentioned prior art, it is provided that the weeder nozzle of a kind of anti-hot reflux using safety, raising herbicidal effectiveness.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: the weeder nozzle of a kind of anti-hot reflux, including cover body with for the connecting portion being connected with weeder body, described connecting portion is arranged on covering on top, it is characterized in that: the bottom of described cover body is provided with folding portion, cover body, connecting portion, folding portion one is connected；The circle turnover face that described folding portion includes extending towards outside from the bottom outside of described cover body and formed and the support that the outward flange from turnover face downwardly extends, the distance between at least one venthole, and the bottom face of described venthole and described support is offered less than or equal to 2cm on described turnover face.
In order to coordinate can stop hot-air to be back to weeder body with turnover face, also making the venthole that the thermal current entering in nozzle can more successfully guide to turnover face, the bottom inside of described cover body extends towards downside and forms ring-type back-up ring simultaneously.
For ease of both can ensure that the flow velocity of hot-air, can expand again the scope of hot air acting, the longitudinal section of described cover body is the conical butt of up-small and down-big setting.
Manipulating for ease of user and move weeder, it is preferable that the bottom face of described support is inclined relative to horizontal, the angle of inclination is 0～30 °.Preferably, it is 15 °.
In order to make the position of venthole have the optimal effect guiding thermal current to discharge, being prevented effectively from and destroy vegetation around, the distance between the bottom face of described venthole and described support is 1cm.Tests prove that, when the distance between venthole and the bottom face of nozzle is 1cm, thermal current runs into the stop on ground and returns nozzle interior, and spreads rapidly to both sides, the most immediately outside in-plant multiple ventholes discharge nozzle, highly effective.
Compared with prior art, the utility model has the advantage of:
By arranging the folding portion that one extends laterally in the bottom of nozzle, after the stop making part thermal current run into ground returns nozzle interior, spread to outer peripheral side rapidly, venthole from the folding portion top closely arranged is discharged the most immediately, efficiently avoid the gap between the bottom face from nozzle and meadow, place and flow to the meadow near nozzle periphery, thermal current can also cool down while discharging, it is to avoid destroys the vegetation needing to retain around, moreover it is possible to guarantee the safety of user；
Meanwhile, folding portion and venthole define the stop member preventing thermal current from refluxing, it is to avoid thermal current is back to the most again weeder body interior from nozzle interior, and this situation causing weeder body interior overheated and damaging occurs.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that application has the weeder of nozzle of the present utility model；
Fig. 2 is the structural representation of nozzle of the present utility model；
Fig. 3 is the sectional view of nozzle of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Seeing Fig. 1, have the schematic diagram of the weeder of nozzle of the present utility model for application, weeder includes the bar portion 1 being easy to grip, and is connected to the weeder body 2 of one end, bar portion 1, and is connected to the nozzle 3 at the air outlet of weeder body 2 head.It is provided with heater in weeder body 2, the thermal current that heated device heats and produces is injected in the inner volume of nozzle 3, and the position needing to remove weeds it is ejected into via nozzle 3, thermal current heats weeds and is destroyed in a short period of time and complete weeding.
Seeing Fig. 2 and Fig. 3, nozzle 3 includes cover body 31, is arranged on the connecting portion 32 at cover body 31 top, and arranges
Folding portion 33 bottom cover body 31, cover body 31, connecting portion 32 and folding portion 33 inner hollow form cavity volume and are integrally connected, interconnect.
The end face opening of cover body 31 is less than bottom surface opening, and its longitudinal section is up-small and down-big conical butt, thus both can ensure that the flow velocity of hot-air, can expand again the scope of hot air acting.Cover body 31 bottom inside faces down and extends and form ring-type back-up ring 311.
Connecting portion 32 is for being connected with the head of weeder body 2.
Folding portion 33 includes the circle turnover face 331 formed from the bottom outside of cover body 31 and the support 332 that the outward flange of 331 downwardly extends from turnover face towards outside extension, in use, the bottom of support 332 can support on the ground, or the most slightly gap.The bottom face of support 332 is inclined relative to horizontal, and the angle [alpha] of inclination is 0～30 °, is 15 ° in the present embodiment.
Offering at least one venthole 333 on turnover face 331, in the present embodiment, venthole 333 is multiple, and each venthole 333 is in kidney-shaped, and the circumferentially-spaced layout in turnover face 331, edge.
As it is shown on figure 3, direction shown in arrow therein is the flow direction of thermal current.When needs weeding, nozzle 3 is positioned on the weeds needing to take out so that the bottom face of support 332 supports on the ground, thus weeds are contained in nozzle 3；Then, start weeder body 2, in the thermal current after heating in weeder body 2 is directed to nozzle 3, carry out weeding；And the stop that rear section thermal current runs into ground returns to nozzle 3 inside, and spread rapidly to week side, venthole 333 from folding portion 33 top closely arranged flows out to nozzle 3 is outside the most immediately, efficiently avoid the gap between the bottom face from nozzle 3 and meadow, place and flow to the meadow of nozzle 3 periphery, the vegetation being not desired to remove of surrounding will not be destroyed；
Simultaneously, owing to being provided with back-up ring 311 bottom cover body 31, this back-up ring 311 and folding portion 33 have cooperatively formed the stop member stopping thermal current backflow, avoid thermal current and be back to the most again weeder body 2 inside from nozzle 3 inside, and this situation causing weeder body 2 over-heat inside and damaging occurs, further, back-up ring 311 can more successfully flow to venthole 333 to thermal current and play good guiding function；
It addition, the thermal current with certain flow rate can take away the part cool air of surrounding when venthole 333 flows out, thermal current is made to be cooled, without user is damaged.Distance between the bottom face of venthole 333 and support 332 is 1cm.
Claims (5)
1. a weeder nozzle for anti-hot reflux, including cover body (31) with for the connection being connected with weeder body
Portion (32), described connecting portion (32) is arranged on cover body (31) top, it is characterised in that:
The bottom of described cover body (31) is provided with folding portion (33), cover body (31), connecting portion (32), folding portion (33) integrally phase
Even；
The circle turnover face that described folding portion (33) includes extending towards outside from the bottom outside of cover body (31) and formed
(331) support (332) and from the outward flange of turnover face (331) downwardly extended, described turnover face offers on (331)
Distance between at least one venthole (333), and the bottom face of described venthole (333) and described support (332) is little
In or equal to 2cm.
The weeder nozzle of anti-hot reflux the most as claimed in claim 1, it is characterised in that: described cover body (31)
Bottom inside extends towards downside and forms ring-type back-up ring (311).
The weeder nozzle of anti-hot reflux the most as claimed in claim 1, it is characterised in that: described cover body (31)
Longitudinal section is the conical butt of up-small and down-big setting.
4. the weeder nozzle of the anti-hot reflux as according to any one of claims 1 to 3, it is characterised in that: described
The bottom face of support (332) is inclined relative to horizontal, and the angle (α) of inclination is 0～30 °.
5. the weeder nozzle of the anti-hot reflux as according to any one of claims 1 to 3, it is characterised in that: described
Distance between the bottom face of venthole (333) and described support (332) is 1cm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488161.4U CN205756808U (en) | 2016-05-25 | 2016-05-25 | A kind of weeder nozzle of anti-hot reflux |
| PCT/CN2016/000289 WO2017201637A1 (en) | 2016-05-25 | 2016-06-01 | Hot reflow resistance nozzle used for weeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488161.4U CN205756808U (en) | 2016-05-25 | 2016-05-25 | A kind of weeder nozzle of anti-hot reflux |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205756808U true CN205756808U (en) | 2016-12-07 |
Family
ID=58109771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620488161.4U Active CN205756808U (en) | 2016-05-25 | 2016-05-25 | A kind of weeder nozzle of anti-hot reflux |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205756808U (en) |
| WO (1) | WO2017201637A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572026B (en) * | 2018-03-15 | 2022-08-31 | Exel Ind Sa | Thermal Weeders |
| EP3539378B1 (en) * | 2018-03-15 | 2024-03-13 | Exel Industries | Thermal weed diffuser |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2058291A1 (en) * | 1990-03-21 | 1991-09-21 | Ernest D. Humphrey | Plant-killing device |
| GB2461952A (en) * | 2008-07-23 | 2010-01-27 | Barry Colin Brown | Fuel filler cap |
| JP2012122367A (en) * | 2010-12-07 | 2012-06-28 | Makita Corp | Hand-held power tool |
| FR2977126B1 (en) * | 2011-07-01 | 2013-08-16 | Exel Ind | APPARATUS, ASSEMBLY AND METHOD FOR MANUAL AND LOCALIZED WEED CONTROL |
| CN104456930B (en) * | 2014-11-10 | 2017-06-20 | 浙江普莱得电器有限公司 | A kind of Multifunctional hot wind rifle |
| CN205106135U (en) * | 2015-08-27 | 2016-03-30 | 常州武进长城工具有限公司 | Hot -blast weeder fan housing |
-
2016
- 2016-05-25 CN CN201620488161.4U patent/CN205756808U/en active Active
- 2016-06-01 WO PCT/CN2016/000289 patent/WO2017201637A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017201637A1 (en) | 2017-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |