CN214206969U - Handheld flame weeder and weeding head thereof - Google Patents

Abstract

The utility model discloses a handheld flame weeder and a weeding head thereof, a combustion medium storage tank is detachably arranged on a combustion medium flow control switch, the combustion medium flow control switch comprises a first combustion medium output channel, the port part of a combustion medium inlet channel on the weeding head is connected with a handheld part, the handheld part comprises a second combustion medium output channel, the second combustion medium output channel is respectively communicated with the first combustion medium output channel and the combustion medium inlet channel of the weeding head correspondingly, the weeding head body comprises a weeding shell, the weeding shell comprises a combustion medium inlet channel and a combustion cavity communicated with the combustion medium inlet channel, the bottom of the weeding shell is provided with an inner concave body, and the inner wall of the inner concave body is provided with a through hole communicated with the combustion cavity, the combustion cavity or the combustion medium inlet channel is provided with an ignition device, and the combustion cavity is internally provided with a ceramic block with a plurality of through holes. The weeding composition improves weeding effect, does not cause damage to human bodies during weeding, and does not cause damage to soil after weeding.

Description

Handheld flame weeder and weeding head thereof

Technical Field

The utility model belongs to the technical field of a weeding equipment technique and specifically relates to a hand-held type flame weeder and weeding head thereof.

Background

At present, people mainly use chemical agents and mechanical groove cutting devices to weed, wherein the chemical agents not only pollute soil, but also have certain damage to human bodies in the weeding process, and the poisoning phenomenon can occur slightly by carelessness in the spraying process; the mechanical implement weeder is easy to accidentally injure crops during weeding, has poor weeding effect, is easy to generate noise pollution, and has high weeding labor intensity and low weeding speed.

Disclosure of Invention

The utility model aims at solving the technical defects and designing a handheld flame weeder and a weeding head thereof for improving the weeding effect.

The utility model discloses a weeding head, including weeding head body, weeding head body includes the weeding casing, and the weeding casing includes combustion medium access way, with the combustion chamber of combustion medium access way intercommunication, the bottom of weeding casing is provided with the indent body, and is provided with the through-hole with combustion chamber intercommunication on the inner wall of indent body, is provided with ignition on combustion chamber or the combustion medium access way, is provided with in the combustion chamber and takes a plurality of fenestrate ceramic blocks.

Preferably, the through hole is provided with a first mesh plate.

Preferably, at least one side surface of the weeding shell is provided with a bracket, and the bracket is rotatably provided with a roller which is in contact with the ground.

Preferably, a support body extending downward is provided on the weeding housing at a lower side of the end opposite to the end having the bracket.

Preferably, the support body is provided with a circular arc surface on the lower side.

Preferably, the inner wall of the concave body is also provided with an air hole communicated with the outside.

Preferably, a second screen plate is arranged in the combustion chamber and is correspondingly positioned below the lower port of the combustion medium inlet channel.

Preferably, the inner wall of the combustion chamber is provided with an annular step or two steps with mutually corresponding positions, the mutually corresponding positions of the two positions on the annular step or the mutually corresponding steps of the two positions are provided with positioning grooves, and two ends of the second screen plate are respectively positioned in the two positioning grooves.

Preferably, the two ends of the second mesh plate are respectively provided with an inclined bending part, the end part of the inclined bending part is provided with a positioning part, and the positioning part is positioned in the positioning groove.

Preferably, the weeding shell comprises an upper shell and a lower shell, the upper shell is fixed on the lower shell, a combustion chamber communicated with a combustion medium inlet channel and the combustion medium inlet channel is arranged on the upper shell, an inner concave body is arranged at the bottom of the lower shell, and a sealing ring is arranged between the upper shell and the lower shell.

Preferably, the top of the lower shell is provided with a groove covered by the combustion chamber, the groove is positioned above the inner concave body, the through hole enables the groove and the inner concave body to be communicated, the inner wall of the groove or the inner wall of the through hole is provided with a positioning step, and the positioning step is provided with a ceramic block with a plurality of through holes.

Preferably, a first mesh plate is positioned between the positioning step and the ceramic block.

On the other hand, the handheld flame weeder comprises a handheld portion, a weeding head, an ignition switch and a combustion medium flow control switch, wherein the ignition switch and the combustion medium flow control switch are arranged on the handheld portion, a combustion medium storage tank is detachably mounted on the combustion medium flow control switch, the combustion medium flow control switch comprises a first combustion medium output channel, a port portion of a combustion medium inlet channel on the weeding head is connected with the handheld portion, the handheld portion comprises a second combustion medium output channel, and the second combustion medium output channel is correspondingly communicated with the first combustion medium output channel and the combustion medium inlet channel of the weeding head respectively.

Preferably, the combustion medium outlet device further comprises a connecting pipe, the connecting pipe is arranged at the inlet end of the combustion medium inlet channel, and the connecting pipe is in butt joint and communication with the lower port of the second combustion medium outlet channel on the handheld portion.

Preferably, the handheld part comprises a handheld body and a pipe body, the ignition switch and the combustion medium flow control switch are both arranged on the handheld body, an output port of a first combustion medium output channel of the combustion medium flow control switch is in butt joint with the pipe body, a second combustion medium output channel is arranged on the pipe body, a nozzle is installed at a lower port of the second combustion medium output channel, and the lower end of the pipe body is in butt joint with the connecting pipe, so that the second combustion medium output channel is communicated with an inner channel of the connecting pipe.

Preferably, the combustion device further comprises a screw, a third combustion medium output channel is arranged on the screw, two ends of the screw are respectively in threaded connection with the lower port of the second combustion medium output channel and the upper port of the connecting pipe, and the nozzle is fixed at the lower port of the third combustion medium output channel.

Preferably, the connecting pipe is sleeved with the lower wind cap, the upper wind cap is positioned at the lower end of the pipe body, wind holes are formed in the connecting pipe and the upper wind cap, the upper wind cap and the lower wind cap are spliced and fixed after the screw rod is in threaded connection with the upper port of the connecting pipe, and the lower wind cap covers the wind holes in the connecting pipe.

Preferably, the lower wind cap and the pipe body are both provided with wire passing channels, and an ignition cable on the ignition switch penetrates through the wire passing channels and then is electrically connected with the ignition device.

The utility model relates to a handheld flame weeder and weeder head thereof, which utilizes the grass to be removed to be stuffy in the inner concave body, then the burning medium in the burning cavity burns and forms the smoldering removal of the grass after the ceramic block, and the red ceramic block generates infrared rays, thus the effect of removing the grass by adopting the flame is better; in addition, burning medium storage jar is installed and is made more light and handy convenient when weeding on the weeder to still can realize changing, promote performance.

Drawings

FIG. 1 is a schematic view of the overall structure (one);

FIG. 2 is a schematic view of the overall structure (two);

FIG. 3 is a partial enlarged view;

fig. 4 is a schematic view of the bottom structure of the weeding housing;

FIG. 5 is an exploded view (one);

FIG. 6 is an exploded view (two);

FIG. 7 is a schematic view of a second mesh plate installed in a combustion chamber by using a sealing ring;

FIG. 8 is a schematic view of a handpiece configuration;

FIG. 9 is a schematic view of the positions of the upper and lower hoods;

FIG. 10 is a schematic structural diagram of a specific part of the ignition device;

FIG. 11 is a schematic view of a nozzle mounting arrangement;

fig. 12 is a schematic view of the positioning structure on the upper and lower hoods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

Example (b):

as shown in the drawings, the weeding head described in this embodiment comprises a weeding head body, the weeding head body comprises a weeding shell 2, the weeding shell 2 comprises a combustion medium inlet channel 211 and a combustion chamber 214 communicated with the combustion medium inlet channel 211, the bottom of the weeding shell 2 is provided with an inner concave body 20, the inner wall of the inner concave body 20 is provided with a through hole 221 communicated with the combustion chamber 214, the combustion chamber 214 or the combustion medium inlet channel 211 is provided with an ignition device 6, the combustion chamber 214 is internally provided with a ceramic block 8 with a plurality of through holes, wherein the ignition device 6 is controlled by an ignition switch to ignite to burn the combustion medium in the combustion chamber, so as to promote the ceramic block to turn red by flame to form infrared, and the flame penetrates out from the through holes of the ceramic block to burn weeds in the inner concave body to realize the purpose of quick weeding, the weeding shell is made of metal material, the ignition device adopts an ignition electrode, and the ceramic block adopts a honeycomb hole ceramic block.

In this embodiment, the through hole 221 is provided with the first mesh plate 7, which is used for protecting the ceramic block and preventing the hard object from directly colliding with the ceramic block to cause damage.

In this embodiment, a bracket 23 is provided on at least one side surface of the weeding housing 2, and a roller 25 in contact with the ground is rotatably mounted on the bracket 23, which facilitates pushing the weeding head to displace during weeding, and the bracket 23 is fixed by means of a bolt to a side surface of the lower case 22 mounted on the weeding housing 2.

In this embodiment, a support 25 extending downward is provided at a lower side of an end of the weeding housing 2 opposite to the bracket 23, the support 25 is formed by bending a metal plate in an arc shape, and further, an air hole 26 communicating with the outside is provided on an inner wall of the inner concave body 20. Its setting makes the inner concave body front end perk that reaches the weeding casing when using to make enough oxygen supply combustion medium to burn in the inner concave body with the bleeder vent cooperation, the 25 downside of supporter is provided with arc surface 251 in addition, thereby the inner concave body of the casing of being convenient for weed and carry out the displacement to attaching to the meadow, in order to carry out the weeding action.

In this embodiment, be provided with second otter board 9 in the burning chamber 214, second otter board 9 corresponds and is located the lower port below of burning medium access passage 211, and it shunts, the water conservancy diversion to the burning medium that gets into through burning medium access passage 211 to make the burning medium dispersion in the burning chamber, reach each perforation of ceramic block and all can see out flame, promote the weeding effect, and first otter board and second otter board are the metal mesh board.

In this embodiment, an annular step 212 or two steps corresponding to each other in position are disposed on the inner wall of the combustion chamber 214, positioning grooves 213 are disposed on the two steps corresponding to each other in position or two positions on the annular step 212, and two ends of the second mesh plate 9 are respectively positioned in the two positioning grooves 213, so as to effectively position the second mesh plate.

In this embodiment, the two ends of the second net plate 9 are respectively provided with an inclined bending portion 91, and the end of the inclined bending portion 91 is provided with a positioning portion 92, and the positioning portion 92 is positioned in the positioning groove 213. The arrangement of the screen plate enables the effects of shunting and guiding the combustion medium to be better.

In the present embodiment, the herbicidal case 2 comprises an upper case 21 and a lower case 22, the upper case 21 is fixed to the lower case 22, the upper case 21 is provided with a combustion medium inlet passage 211 and a combustion chamber 214 communicating with the combustion medium inlet passage 211, and the bottom of the lower shell 22 is provided with an inner concave body 20, a sealing ring 10 is arranged between the upper shell 21 and the lower shell 22, wherein the sealing ring 10 is positioned by a step in the combustion chamber 214, and the sealing ring is a flame-retardant sealing ring, therefore, after the upper shell is fixed on the lower shell through the bolt, the bottom of the sealing ring is abutted against the lower shell to achieve sealing, the weeding shell is arranged into a split shell, so that the installation of the ceramic block and the second screen plate in the weeding shell is more convenient, the structural design of the weeding head is more reasonable, the service performance is further improved, and the positioning part of the second screen plate is pressed by the sealing ring, so that the reliable positioning of the second screen plate is realized.

In this embodiment, the top of the lower case 22 is provided with a groove 222 covered by the combustion chamber, the groove 222 is located above the concave body 20, the through hole 221 makes the groove 222 and the concave body 20 communicate with each other, and a positioning step 223 is provided on the inner wall of the groove 222 or the inner wall of the through hole 221, and a ceramic block 8 with a plurality of through holes is positioned on the positioning step 223, and a first mesh plate 7 is positioned between the positioning step 223 and the ceramic block 8. The structure of the ceramic block positioning device is more reliable and convenient for positioning the first screen plate and the ceramic block, and convenience in production and assembly is improved.

On the other hand, the handheld type flame weeder formed by adopting the weeding head comprises a handheld part 1, the weeding head as described above, and an ignition switch 111 and a combustion medium flow control switch 112 which are arranged on the handheld part 1, wherein a combustion medium storage tank 3 is detachably mounted on the combustion medium flow control switch 112, the combustion medium flow control switch 112 comprises a first combustion medium output channel 300, the port part of a combustion medium inlet channel 211 on the weeding head is connected with the handheld part 1, the handheld part 1 comprises a second combustion medium output channel 121, and the second combustion medium output channel 121 is respectively communicated with the first combustion medium output channel 300 and the combustion medium inlet channel 211 of the weeding head; the combustion medium flow control switch 112 is turned on, so that the combustion medium in the combustion medium storage tank enters the combustion medium inlet channel of the weeding head through the first combustion medium outlet channel and the second combustion medium outlet channel, the combustion medium in the combustion medium inlet channel continuously flows towards the direction of the combustion cavity until entering the combustion cavity, the combustion medium entering from the combustion medium inlet channel is shunted and guided by the second mesh plate 9 and is positioned above the ceramic block in a distributed manner, at the moment, the ignition switch enables the ignition device to generate ignition flowers, so that the combustion medium above the ceramic block is ignited and combusted, further, flame is transmitted from the perforated part of the ceramic block 8, and the ceramic block is burnt red to generate infrared rays, so that weeds confined in the concave body are burnt to weed, and the weeding effect and the weeding efficiency are good.

In the embodiment, the device further comprises a connecting pipe 3, the connecting pipe 3 is arranged at the inlet end of the combustion medium inlet channel 211, and the connecting pipe 3 is butted and communicated with the lower port of the second combustion medium output channel 121 on the handheld part 1; the handheld part 1 comprises a handheld body 11 and a pipe body 12, an ignition switch 111 and a combustion medium flow control switch 112 are both arranged on the handheld body 11, an output port of a first combustion medium output channel 300 of the combustion medium flow control switch 112 is butted with the pipe body 12, a second combustion medium output channel 121 is arranged on the pipe body 12, a nozzle 15 is arranged at a lower port of the second combustion medium output channel 121, the lower end of the pipe body 12 is butted with a connecting pipe 3, so that the second combustion medium output channel 121 is communicated with an inner channel of the connecting pipe 3, the structure of the handheld part enables a weed removing head to be conveniently butted with the handheld part, the butted channels are correspondingly connected, and a holding part 400 is also arranged on the handheld body 11, so that the holding part is held to carry out weeding operation when weeding is carried out manually, the ignition switch is just arranged on the holding part, and the handheld body can be made of a plastic material, the pipe body is inserted and fixed in the fixing hole of the handheld body, and the connecting pipe is made of metal materials.

In this embodiment, still include screw rod 13, be provided with third burning medium output channel 131 on screw rod 13, and the both ends of screw rod 13 respectively with second burning medium output channel 121 lower port and the last port threaded connection of connecting pipe 3, nozzle 15 is fixed in the lower port of third burning medium output channel 131, its structural arrangement makes nozzle and burning medium access passage can reach comparatively convenient connection, has better leakproofness after connecting moreover, the product of being convenient for is assembled.

In this embodiment, still include fixation nut 14, windband 4 and windband 5 down, windband 5 overlaps on connecting pipe 3 down, and windband 4 is located the lower extreme of body 12, and all is provided with wind hole 200 on connecting pipe 3 and the windband 4, waits that the last wind cap 4 of screw rod 13 and connecting pipe 3's last port threaded connection back is spliced fixedly with windband 5 down, and windband 5 covers wind hole 200 on to connecting pipe 3 down. Wherein the setting of hood and wind hole reaches the circulation of air in the combustion chamber, make the burning medium in the combustion chamber can obtain the intensive combustion, promote the weeding effect, and it is reliable to fix a position after for the hood and the hood amalgamation each other down, set up constant head tank 51 and locating piece 41 respectively on the hood under and the hood, and the locating piece corresponds and fixes a position in the embedding constant head tank, wherein the hood is made by metal material with the hood down, set up draw-in groove 52 and fixture block 42 respectively on the hood under and the hood, thereby correspond the card and go into in the draw-in groove and carry out the buckle formula and connect after its both amalgamation each other the fixture block.

In this embodiment, both the lower hood 5 and the pipe body 12 are provided with the wire passage 122, and the ignition cable 100 on the ignition switch 111 penetrates through the wire passage 122 and then is electrically connected with the ignition device 6, so that the hidden installation of the cable is realized, and the attractiveness of the weeder is improved.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims (18)

1. The utility model provides a weeding head, its characterized in that, includes the first body of weeding, and the first body of weeding includes the weeding casing, and the weeding casing includes combustion medium admission passage, with the combustion chamber of combustion medium admission passage intercommunication, the bottom of weeding casing is provided with the indent body, and is provided with the through-hole with combustion chamber intercommunication on the inner wall of indent body, is provided with ignition on combustion chamber or the combustion medium admission passage, is provided with in the combustion chamber and takes a plurality of fenestrate ceramic blocks.

2. A herbicidal head according to claim 1, wherein the first mesh panel is provided at the through-hole.

3. A herbicidal head according to claim 1, wherein a carriage is provided on at least one side of the herbicidal housing, and a roller for contact with the ground is rotatably mounted on the carriage.

4. The grass-removing head as claimed in claim 3, characterized in that a support body is provided in a downwardly extending arrangement on the underside of the end of the grass-removing housing opposite the end having the bracket.

5. Weeding head according to claim 4, in which the underside of the support body is provided with a circular arc.

6. The weeding head according to claim 1, wherein the inner wall of the concave body is further provided with air holes communicated with the outside.

7. A weeding head as claimed in claim 1, wherein a second mesh plate is provided in the combustion chamber, the second mesh plate being located correspondingly below the lower port of the combustion medium inlet channel.

8. The weeding head according to claim 7, wherein the combustion chamber has an inner wall provided with an annular step or two steps corresponding to each other, the two steps corresponding to each other or the two steps corresponding to each other on the annular step are provided with positioning grooves, and the two ends of the second mesh plate are positioned in the two positioning grooves, respectively.

9. The weeding head according to claim 8 wherein the second net plate is provided at both ends with inclined bent portions, respectively, and the end portions of the inclined bent portions are provided with positioning portions which are positioned in the positioning grooves.

10. Weeding head according to one of claims 1 to 9, in which the weeding housing comprises an upper shell and a lower shell, the upper shell being fixed to the lower shell, the upper shell being provided with a combustion medium inlet channel and a combustion chamber communicating with the combustion medium inlet channel, and the lower shell being provided at its bottom with an internal recess, a sealing ring being provided between the upper shell and the lower shell.

11. A herbicidal head according to claim 10, characterized in that the top of the lower shell is provided with a recess covered by the combustion chamber, the recess being located above the body of the recess, the through-hole interconnecting the recess and the body of the recess, and that the inner wall of the recess or the inner wall of the through-hole is provided with a positioning step on which a ceramic block with a plurality of perforations is positioned.

12. A herbicidal head according to claim 11, wherein a first screen is located between the locating step and the ceramic block.

13. A handheld flame weeder, characterized by, including handheld portion, the weeding head of any one of claims 1-12, and ignition switch and combustion medium flow control switch that set up in handheld portion, the removable burning medium storage jar of installing on the combustion medium flow control switch, the combustion medium flow control switch includes first combustion medium output channel, the combustion medium on the weeding head gets into the passageway port portion and is connected with handheld portion, handheld portion includes second combustion medium output channel, and second combustion medium output channel corresponds the intercommunication with the combustion medium inlet channel of first combustion medium output channel and weeding head respectively.

14. The handheld flame weed extractor of claim 13, further comprising a connecting pipe disposed at the inlet end of the combustion medium inlet channel, and further comprising a connecting pipe abutting and communicating with the lower port of the second combustion medium outlet channel on the handheld portion.

15. The handheld flame weeder of claim 14 wherein the handheld portion comprises a handheld body and a tubular body, the ignition switch and the combustion media flow control switch are both disposed on the handheld body, a first combustion media output channel output port of the combustion media flow control switch is in butt joint with the tubular body, a second combustion media output channel is disposed on the tubular body, a nozzle is mounted at a lower port of the second combustion media output channel, and a lower end of the tubular body is in butt joint with the connecting pipe, so that the second combustion media output channel is communicated with the inner channel of the connecting pipe.

16. The handheld flame weeder of claim 15 further comprising a screw, wherein the screw is provided with a third combustion medium output channel, two ends of the screw are respectively in threaded connection with a lower port of the second combustion medium output channel and an upper port of the connecting pipe, and the nozzle is fixed at the lower port of the third combustion medium output channel.

17. The handheld flame weed extractor of claim 16, further comprising a fixing nut, an upper wind cap and a lower wind cap, wherein the lower wind cap is sleeved on the connecting pipe, the upper wind cap is positioned at the lower end of the pipe body, wind holes are formed in the connecting pipe and the upper wind cap, the upper wind cap and the lower wind cap are spliced and fixed after the screw rod is in threaded connection with the upper port of the connecting pipe, and the wind holes in the connecting pipe are covered by the lower wind cap.

18. The handheld flame weeder of claim 17 wherein the lower hood and the body each have a passageway therethrough, and an ignition cable on the ignition switch extends through the passageway and is electrically connected to the ignition device.

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