CN111656994A - Liquid injector special for municipal garden greening - Google Patents
Liquid injector special for municipal garden greening Download PDFInfo
- Publication number
- CN111656994A CN111656994A CN202010621261.0A CN202010621261A CN111656994A CN 111656994 A CN111656994 A CN 111656994A CN 202010621261 A CN202010621261 A CN 202010621261A CN 111656994 A CN111656994 A CN 111656994A
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- channel
- stabilizing
- pipe body
- municipal garden
- liquid injector
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
Abstract
The invention discloses a special liquid injector for municipal garden greening, which relates to the technical field of municipal garden greening, and the technical scheme of the special liquid injector comprises a pipe body for externally connecting nutrient solution, a needle head fixed on the pipe body, and also comprises: the fixing device is used for being fixedly connected with the tree; the stabilizing piece is fixedly connected to the fixing device; the rotating channel is rotatably connected to the stabilizing piece, and the pipe body is slidably connected into the rotating channel; the attaching part is fixed on the rotating channel and is arranged at an angle of 45 degrees with the axial lead of the rotating channel; and the limiting part is arranged on the stabilizing part and used for limiting the rotation of the rotating channel relative to the stabilizing part. The tree-shaped needle head has the effect of ensuring the angle of the needle head inserted into the tree, and the needle head always moves towards one direction in the process of applying force for many times, so that the problem that the needle head is damaged due to different stress directions is solved, and the needle head is convenient to stabilize after being inserted into the tree.
Description
Technical Field
The invention relates to the technical field of municipal garden greening, in particular to a special liquid injector for municipal garden greening.
Background
A method for preventing and treating plant diseases and insect pests by injecting liquid medicine into trees is a new plant protection technology which is started in recent years; moreover, the fertilizer can increase the yield when being used for nutrient fertilization of fruit trees, can improve the survival rate when being used for transplanting big trees, can also be used for rejuvenating and prolonging the life of ancient trees, and can also be used for insect prevention and corrosion prevention of ancient wood buildings.
At the center of the prior art, a needle head of a common liquid injector is of a straight tube structure, after the needle head penetrates into a tree, the other end of the liquid injector is connected with a nutrient bag filled with nutrient solution, and the nutrient solution flows into the tree from the needle head of the liquid injector. It should be noted that the needle needs to be inserted into the tree in a downward inclination, preferably at an angle of 45 degrees compared with the vertical surface of the tree, so as to facilitate the inflow of the nutrient solution and the later stabilization of the needle.
However, the inclined angle is manually controlled at present, so that the problem that the inserting angle of the needle head is not proper is easily caused, and in the process of inserting the needle head, the needle head can be inserted in place only by applying force for many times, and if the force application directions are different for many times, the needle head is damaged, the jack of a tree is enlarged, and the stability of the inserted needle head is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the special liquid injector for municipal garden greening, which has the effect of ensuring the angle of the needle head inserted into the tree, the needle head always moves towards one direction in the process of applying force for many times, the problem that the needle head is damaged due to different stress directions is solved, and the needle head is convenient to be stable after being inserted into the tree.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special notes liquid ware of municipal garden afforestation, is including the body that is used for external nutrient solution and fix the syringe needle on the body, still including:
the fixing device is used for being fixedly connected with the tree;
the stabilizing piece is fixedly connected to the fixing device;
the rotating channel is rotatably connected to the stabilizing piece, and the pipe body is slidably connected into the rotating channel;
the attaching part is fixed on the rotating channel and is arranged at an angle of 45 degrees with the axial lead of the rotating channel;
and the limiting part is arranged on the stabilizing part and used for limiting the rotation of the rotating channel relative to the stabilizing part.
Through adopting above-mentioned technical scheme, when inserting the syringe needle to trees in, adopt fixing device earlier to make the stabilizing part fixed for trees, then through rotatory rotation channel, until laminating portion and the laminating of trees surface, the axial lead of rotation channel this moment roughly is 45 degrees angle settings with trees surface, keep rotating the channel this moment motionless, exert oblique decurrent power to the body, the pipeline can only be followed the axial lead removal that rotates the channel, thereby guarantee the angle that the syringe needle inserted in trees, and at the in-process of application of force many times, the syringe needle is beginning to move towards a direction, the problem of syringe needle because of the atress direction difference damage has been avoided, be convenient for the syringe needle stable after inserting trees.
The present invention in a preferred embodiment may be further configured to: the shell that rotates the channel is square setting, the bolt is chooseed for use to the locating part, bolt and stabilizing member threaded connection, and the one end of bolt and the shell butt that rotates the channel are in order to restrict the rotation of rotating the channel for the stabilizing member.
Through adopting above-mentioned technical scheme, through loosening the removal that the bolt alright realized rotating the channel, after will rotating the channel and adjusting suitable position, the rethread is screwed up bolt alright relatively fixed and is rotated the channel, and personnel are at the in-process to the pipeline application of force, need not be at the stable channel that rotates, have the effect of convenient construction.
The present invention in a preferred embodiment may be further configured to: the stabilizing piece is also provided with a vertical sliding chute, and a vertical driving rod is connected in the vertical sliding chute in a sliding manner; an extension inclined plate is fixed at the upper end of the pipe body, and the lower end of the vertical driving rod can be abutted against the extension inclined plate to drive the pipe body to move downwards in an inclined mode.
Through adopting above-mentioned technical scheme, the staff as long as apply decurrent drive power to vertical drive pole, alright realize the slant of body and move down, the staff's of being convenient for application of force.
The present invention in a preferred embodiment may be further configured to: the lower end of the vertical driving rod is an arc-shaped end.
Through adopting above-mentioned technical scheme, have the effect that reduces the wearing and tearing between vertical drive pole lower extreme and the extension swash plate.
The present invention in a preferred embodiment may be further configured to: the rotary channel is rotatably connected with a cover plate used for covering the lower end opening of the rotary channel, and a torsion spring used for driving the cover plate to cover the lower end opening of the rotary channel is arranged between the cover plate and the rotary channel.
Through adopting above-mentioned technical scheme, when the apron does not receive external force and only receives the effort of torsional spring, the apron lid has the effect of avoiding the body to go out the roll-off from the lower extreme opening of rotating the channel at the opening part that rotates the channel, has also avoided the foreign matter to enter into in the rotating the channel.
The present invention in a preferred embodiment may be further configured to: a through hole is formed in the rotating channel, a pull rope is connected between the cover plate and the pipe body, one end of the pull rope is fixed with the cover plate, and the other end of the pull rope penetrates through the through hole and then is fixed with the pipe body; when the pipe body moves obliquely downwards, the pull rope pulls the cover plate to open.
By adopting the technical scheme, when the pipe body receives artificial downward oblique force, the pipe body moves downward obliquely and drives the pull rope to move, the cover plate is opened under the driving of the pull rope, and the torsion spring is stressed and tightened. When the syringe is not needed to be used, the tube body does not receive artificial oblique downward force, the cover plate covers the lower end port of the rotating channel under the acting force of the torsion spring, the tube body at the moment is under the action of the stay cord, the lower end part of the tube body and the needle head are both positioned in the rotating channel, and the needle head is not contacted with the cover plate all the time, so that the needle head is protected.
The present invention in a preferred embodiment may be further configured to: be provided with the bracing piece between laminating portion and the stabilizing member bottom, the one end and the laminating portion of bracing piece are articulated, the other end of bracing piece can contact bottom the stabilizing member, threaded connection has first bolt in the laminating portion, and the one end and the bracing piece butt of first bolt rotate for laminating portion with the restriction bracing piece.
Through adopting above-mentioned technical scheme, laminating portion and the laminating back of trees surface, the bracing piece that will laminate in the portion rotates, and one end and the stabilizing part lower extreme that keep away from the hinged end to the bracing piece support, and the stability of bracing piece is realized to the first bolt of rethread screwing up. The support rod plays a supporting role on the stabilizing piece, so that a worker can apply force to the pipe body on the stabilizing piece when working.
The present invention in a preferred embodiment may be further configured to: the fixing device comprises a first elastic cloth and a second elastic cloth which are fixedly connected with the stabilizing piece; the first elastic cloth is fixed with a male magic tape extending along the length direction, and the second elastic cloth is fixed with a female magic tape matched with the male magic tape.
Through adopting above-mentioned technical scheme, the cooperation that public magic was pasted and female magic subsides has the effect that the connection can be dismantled conveniently, and the change that the tree trunk grows up also can be applicable to in the setting of first elasticity cloth and second elasticity cloth.
In summary, the fitting part is in contact with the surface of the tree, and then the limiting part is screwed down to fix the rotating channel, so that the rotating channel is arranged at an angle of 45 degrees with respect to the vertical surface of the tree, and the needle head is arranged at an angle of 45 degrees with respect to the vertical surface of the tree.
Drawings
FIG. 1 is a schematic view of the present invention after it has been secured to a tree;
FIG. 2 is a schematic sectional view of a partial structure of the present invention;
FIG. 3 is a schematic sectional view showing a part of the structure of the abutting structure of the position limiting member and the rotation groove of the present invention;
FIG. 4 is an exploded view of a portion of the structure at the rotation channel and cover plate of the present invention;
fig. 5 is a partial structural view of the fixing device of the present invention.
Reference numerals: 1. a pipe body; 2. a needle head; 3. a stabilizer; 4. a rotation channel; 5. a rotating end; 6. a bonding section; 7. connecting a curved bar; 8. a limiting member; 9. a vertical chute; 10. a vertical drive rod; 11. an extension sloping plate; 12. a cover plate; 13. a torsion spring; 14. a spindle rod; 15. rotating the sleeve; 16. perforating; 17. pulling a rope; 18. a yielding groove; 19. a raised piece; 20. a support bar; 21. a first bolt; 22. a first elastic cloth; 23. a second elastic cloth; 24. male magic tape; 25. female magic tape; 26. and (4) a fixing device.
Detailed Description
The invention is further described with reference to the accompanying drawings.
Referring to fig. 1, the liquid injector for municipal garden greening disclosed in this embodiment includes a tube 1 for externally connecting nutrient solution, a needle 2 fixed on the tube 1, a fixing device 26, and a stabilizing member 3. The fixing device 26 is used for fixedly connecting with the tree, and the stabilizing member 3 is fixed relative to the fixing device 26. When injecting into the nutrition to trees, syringe needle 2 inserts to trees in, nutrient solution flows into to body 1 in through the transfer line, then nutrient solution rethread syringe needle 2 in the body 1 inputs to trees.
Referring to fig. 1 and 2, a rotating channel 4 is rotatably connected in the stabilizing member 3, the pipeline is slidably connected in the rotating channel 4, the outer contour of the rotating channel 4 is rectangular, the inner contour of the rotating channel 4 and the outer side of the pipeline are both cylindrical, and the diameter of the outer side of the pipeline is equal to the diameter of the inner side of the rotating channel 4, so that the pipeline is limited to move only along the direction of the inner channel of the rotating channel 4. The lower end of the rotary channel 4 is fixed with a rotary end 5, and the rotary end 5 comprises a fitting part 6 fitted with the outer side of the tree and a connecting curved rod 7 fixedly connected between the fitting part 6 and the rotary channel 4. It should be mentioned that the axial lead of the fitting part 6 and the rotation channel 4 is arranged at an angle of 45 degrees, and the axial lead of the rotation channel 4 can be arranged at an angle of 45 degrees compared with the surface of the tree by rotating the rotation end 5 and making the fitting part 6 contact with the surface of the tree. At this moment, driving about body 1 and moving downwards to one side, alright guarantee that syringe needle 2 inserts the angle to trees in, and at the in-process of a lot of application of force, syringe needle 2 moves towards a direction all the time, has avoided syringe needle 2 because of the different problem that damages of atress direction, the stability after being convenient for syringe needle 2 inserts trees.
Referring to fig. 3, the stabilizer 3 is further provided with a limiting member 8 for limiting the rotation of the rotation channel 4 relative to the stabilizer 3, the limiting member 8 is a bolt, the bolt is in threaded connection with the stabilizer 3, and one end of the bolt is inserted into the stabilizer 3 and abuts against the outer side wall of the rotation channel 4 to limit the rotation of the rotation channel 4. Through loosening the bolt alright realize rotating the removal of channel 4, will rotate channel 4 and adjust suitable position after, the rethread is screwed up the bolt alright relatively fixed and is rotated channel 4, and personnel need not be at the in-process to the pipeline application of force stabilizing and rotating channel 4, have the effect of convenient construction.
Referring to fig. 2, the stabilizing member 3 is provided with a vertical sliding groove 9, the vertical sliding groove 9 is slidably connected with a vertical driving rod 10, and the lower end of the vertical driving rod 10 is an arc-shaped end. An extension inclined plate 11 is fixed on the upper end of the pipe body 1, and the lower end of the vertical driving rod 10 can be abutted against the extension inclined plate 11 to drive the pipe body 1 to move obliquely downwards. The staff only need apply decurrent drive power to vertical drive pole 10, alright realize the slant of body 1 and move down, the staff's of being convenient for application of force.
Referring to fig. 2 and 4, a cover plate 12 for covering the lower end opening of the rotation chute 4 is rotatably connected to the lower end of the rotation chute 4 (the cover plate 12 is in an open state in fig. 2), and a torsion spring 13 for driving the cover plate 12 to cover the lower end opening of the rotation chute 4 is provided between the cover plate 12 and the rotation chute 4. A rotating shaft rod 14 is fixed on the rotating channel 4, and two rotating sleeves 15 sleeved on the rotating shaft rod 14 are fixed on the cover plate 12, so that the cover plate 12 is rotatably connected with the rotating channel 4. One end of the torsion spring 13 is fixedly connected with one of the rotating sleeves 15, the other end of the torsion spring 13 is fixedly connected with the rotating shaft rod 14, when the cover plate 12 is only under the action force of the torsion spring 13, the cover plate 12 covers the opening of the rotating channel 4, the effect of preventing the pipe body 1 from sliding out from the lower end opening of the rotating channel 4 is achieved, and foreign matters are prevented from entering the rotating channel 4. A through hole 16 is formed in the rotary channel 4, a pull rope 17 is connected between the cover plate 12 and the pipe body 1, one end of the pull rope 17 is fixed with the cover plate 12, and the other end of the pull rope 17 penetrates through the through hole 16 and then is fixed with the pipe body 1; when the pipe body 1 is moved obliquely downward, the pull cord 17 pulls the cover plate 12 open. When the pipe body 1 receives artificial downward oblique force, the pipe body 1 moves downward obliquely and drives the pull rope 17 to move, the cover plate 12 is opened under the driving of the pull rope 17, and the torsion spring 13 is tightened under the force. When the injector is not needed, the tube body 1 does not receive artificial oblique downward force, the cover plate 12 is covered on the lower end port of the rotating channel 4 under the acting force of the torsion spring 13, the tube body 1 at the moment is under the action of the stay cord 17, the lower end part of the tube body 1 and the needle head 2 are both positioned in the rotating channel 4, and the needle head 2 is not contacted with the cover plate 12 all the time, so that the effect of protecting the needle head 2 is achieved. It should be mentioned that, the inner wall of the rotating chute is provided with a yielding groove 18 for placing the pulling rope 17, and the yielding groove 18 is arranged to better stabilize the moving direction of the pipe body 1 through the rotating chute.
Referring to fig. 1, the attaching portion 6 includes two protruding pieces 19, and there is a supporting rod 20 hinged between two protruding pieces 19, and the supporting rod 20 is rotated upwards, so that the supporting rod 20 is far away from the one end of the hinged end and contacts with the bottom of the stabilizing member 3, wherein a first bolt 21 is connected to one of the protruding pieces 19 through a thread, and one end of the first bolt 21 abuts against the supporting rod 20 to limit the supporting rod 20 to rotate relative to the attaching portion 6. Laminating portion 6 and the laminating back of trees surface, will laminate the bracing piece 20 rotation on the portion 6, keep away from the one end of hinged end and support with 3 lower extremes of stabilizing member up to bracing piece 20, the stability of bracing piece 20 is realized to the rethread first bolt 21 of screwing up. The support rod 20 supports the stabilizing member 3, so that a worker can apply force to the pipe body 1 on the stabilizing member 3 when working.
Referring to fig. 1 and 5, the fixing device 26 includes a first elastic cloth 22 and a second elastic cloth 23 fixedly connected to the stabilizer 3. A male hook and loop fastener 24 extending in the length direction is fixed to the first elastic cloth 22, and a female hook and loop fastener 25 engaged with the male hook and loop fastener 24 is fixed to the second elastic cloth 23. The cooperation of public magic subsides 24 and female magic subsides 25 has the effect that the connection can be dismantled in the convenience, and the setting of first elasticity cloth 22 and second elasticity cloth 23 also can be applicable to the change that the trunk grows up.
The concrete effects are as follows:
when nutrient solution is infused into the tree, the stabilizing members 3 are firstly stabilized relative to the tree by the fixing devices 26. Then the rotation end 5 is rotated and the laminating portion 6 is laminated with the surface of the tree, the rotation channel 4 realized by screwing up the limiting part 8 is fixed, and the tube body 1 and the needle head 2 are arranged at an angle of 45 degrees with the surface of the tree. The staff realizes the support to stabilizer 3 through rotating bracing piece 20, through the vertical actuating lever 10 of lapse at last to make body 1 move down to one side, syringe needle 2 inserts to trees in. In the process of inserting the needle head 2 into the tree, the needle head 2 can be inserted towards one direction all the time, the problem that the needle head 2 is damaged due to different stress directions is avoided, and the needle head 2 is convenient to be stable after being inserted into the tree.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a special notes liquid ware of municipal garden afforestation, is including body (1) that are used for external nutrient solution and fix syringe needle (2) on body (1), characterized by still including:
a fixing device (26) for fixedly connecting with a tree;
the stabilizing piece (3) is fixedly connected to the fixing device (26);
the rotating channel (4) is rotatably connected to the stabilizing piece (3), and the pipe body (1) is connected in the rotating channel (4) in a sliding mode;
the attaching part (6) is fixed on the rotating channel (4) and is arranged at an angle of 45 degrees with the axial lead of the rotating channel (4);
and the limiting piece (8) is arranged on the stabilizing piece (3) and is used for limiting the rotation of the rotating channel (4) relative to the stabilizing piece (3).
2. The special liquid injector for municipal garden greening according to claim 1, wherein: the shell that rotates channel (4) is square setting, bolt is chooseed for use in locating part (8), bolt and stabilizing member (3) threaded connection, and the one end of bolt and the shell butt that rotates channel (4) rotate the rotation of channel (4) for stabilizing member (3) with the restriction.
3. The special liquid injector for municipal garden greening according to claim 1, wherein: the stabilizing piece (3) is also provided with a vertical sliding chute (9), and a vertical driving rod (10) is connected in the vertical sliding chute (9) in a sliding manner; an extension inclined plate (11) is fixed at the upper end of the pipe body (1), and the lower end of the vertical driving rod (10) can be abutted against the extension inclined plate (11) to drive the pipe body (1) to move downwards in an inclined mode.
4. The special liquid injector for municipal garden greening according to claim 3, wherein: the lower end of the vertical driving rod (10) is an arc-shaped end.
5. The special liquid injector for municipal garden greening according to claim 1, wherein: the rotary channel (4) is rotatably connected with a cover plate (12) used for covering the lower end opening of the rotary channel (4), and a torsion spring (13) used for driving the cover plate (12) to cover the lower end opening of the rotary channel (4) is arranged between the cover plate (12) and the rotary channel (4).
6. The special liquid injector for municipal garden greening according to claim 5, wherein: a through hole (16) is formed in the rotary channel (4), a pull rope (17) is connected between the cover plate (12) and the pipe body (1), one end of the pull rope (17) is fixed with the cover plate (12), and the other end of the pull rope (17) penetrates through the through hole (16) and then is fixed with the pipe body (1); when the pipe body (1) moves downwards in an inclined mode, the pull rope (17) pulls the cover plate (12) to be opened.
7. The special liquid injector for municipal garden greening according to claim 1, wherein: be provided with bracing piece (20) between laminating portion (6) and stabilizing member (3) bottom, the one end and the laminating portion (6) of bracing piece (20) are articulated, the other end of bracing piece (20) can contact with stabilizing member (3) bottom, threaded connection has first bolt (21) on laminating portion (6), and the one end and the bracing piece (20) butt of first bolt (21) rotate for laminating portion (6) with restriction bracing piece (20).
8. The special liquid injector for municipal garden greening according to claim 1, wherein: the fixing device (26) comprises a first elastic cloth (22) and a second elastic cloth (23) which are fixedly connected with the stabilizing piece (3); the first elastic cloth (22) is fixed with a male magic tape (24) extending along the length direction, and the second elastic cloth (23) is fixed with a female magic tape (25) matched with the male magic tape (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621261.0A CN111656994B (en) | 2020-06-30 | 2020-06-30 | Liquid injector special for municipal garden greening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621261.0A CN111656994B (en) | 2020-06-30 | 2020-06-30 | Liquid injector special for municipal garden greening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111656994A true CN111656994A (en) | 2020-09-15 |
| CN111656994B CN111656994B (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010621261.0A Active CN111656994B (en) | 2020-06-30 | 2020-06-30 | Liquid injector special for municipal garden greening |
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| Country | Link |
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| CN (1) | CN111656994B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767794A (en) * | 2021-09-15 | 2021-12-10 | 运城学院 | Injection device is administered to grapevine disease |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2461355A1 (en) * | 2012-10-19 | 2014-05-19 | Endoterapia Vegetal, S.L. | Device for injecting liquids into trees or palm trees |
| CN206923344U (en) * | 2017-06-10 | 2018-01-26 | 王俊雁 | A kind of municipal works ornamental trees and shrubs infusion device |
| CN207948129U (en) * | 2018-03-19 | 2018-10-12 | 裕华生态环境股份有限公司 | A kind of urban landscaping nutrient solution conveying device |
| CN210328631U (en) * | 2019-07-22 | 2020-04-17 | 菏泽学院 | Ornamental trees and shrubs hang linkage for water |
| CN210782166U (en) * | 2019-09-26 | 2020-06-19 | 河北北林园林工程有限公司 | Sun-proof mounting box of nutrient solution bag |
-
2020
- 2020-06-30 CN CN202010621261.0A patent/CN111656994B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2461355A1 (en) * | 2012-10-19 | 2014-05-19 | Endoterapia Vegetal, S.L. | Device for injecting liquids into trees or palm trees |
| CN206923344U (en) * | 2017-06-10 | 2018-01-26 | 王俊雁 | A kind of municipal works ornamental trees and shrubs infusion device |
| CN207948129U (en) * | 2018-03-19 | 2018-10-12 | 裕华生态环境股份有限公司 | A kind of urban landscaping nutrient solution conveying device |
| CN210328631U (en) * | 2019-07-22 | 2020-04-17 | 菏泽学院 | Ornamental trees and shrubs hang linkage for water |
| CN210782166U (en) * | 2019-09-26 | 2020-06-19 | 河北北林园林工程有限公司 | Sun-proof mounting box of nutrient solution bag |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767794A (en) * | 2021-09-15 | 2021-12-10 | 运城学院 | Injection device is administered to grapevine disease |
| CN113767794B (en) * | 2021-09-15 | 2023-08-04 | 运城学院 | Grape vine disease treatment injection device |
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| Publication number | Publication date |
|---|---|
| CN111656994B (en) | 2021-10-29 |
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