CN218302248U - Fertilizing tank - Google Patents

Fertilizing tank Download PDF

Info

Publication number
CN218302248U
CN218302248U CN202222049558.1U CN202222049558U CN218302248U CN 218302248 U CN218302248 U CN 218302248U CN 202222049558 U CN202222049558 U CN 202222049558U CN 218302248 U CN218302248 U CN 218302248U
Authority
CN
China
Prior art keywords
jar body
connecting pipe
fixedly connected
water
fertilization
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.)
Active
Application number
CN202222049558.1U
Other languages
Chinese (zh)
Inventor
黄伟
王西和
杨再磊
贾宏涛
杨金钰
屈小慧
刘盈锐
刘晓菊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinjiang Agricultural University
Original Assignee
Xinjiang Agricultural University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xinjiang Agricultural University filed Critical Xinjiang Agricultural University
Priority to CN202222049558.1U priority Critical patent/CN218302248U/en
Application granted granted Critical
Publication of CN218302248U publication Critical patent/CN218302248U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fertilizing (AREA)

Abstract

The utility model provides a fertilization jar in agricultural production technical field, which comprises a tank body, a supporting fram, main water inlet, the feed inlet, the division board, the through-hole, rabbling mechanism and conveying mechanism, with second connecting pipe and outside fertilization water piping connection, add water and fertilizer to jar internal portion respectively through main water inlet and feed inlet, starter motor, stir the fertilizer and the water of division board top, improve the dissolution efficiency of fertilizer, the liquid manure after dissolving flows to the below of division board through the through-hole, the liquid manure that the start-up water pump made the division board below passes through first connecting pipe, the second connecting pipe enters into and fertilizes in the outside fertilization pipeline, according to the first solenoid valve of actual conditions accessible, second solenoid valve and water pump are controlled the flow of intaking and play water, it easily receives hydraulic influence to lead to the crop to fertilizer absorption not abundant to have solved current fertilization jar in the use, influence the problem of fertilization efficiency, it worth to have extensive popularization and application in agricultural production technical field.

Description

Fertilizing tank
Technical Field
The utility model relates to an agricultural production technical field, it is specific, the utility model relates to a fertilizing tool.
Background
In order to save the water resource when irrigating, the mode of sprinkling irrigation and slight irrigation is generally adopted during present crops irrigation, at crops fertilization in-process, add fertilizer in the irrigation pipe of water conservation irrigation through the fertilization jar in order to realize the purpose of water conservation fertilizer conservation irrigation, the fertilization device for conventional irrigation uses more is the pressure differential fertilization jar, usually place water-soluble fertilizer and stir and dissolve in inclosed fertilization jar, or directly pour liquid fertilizer into the fertilization jar, its theory of operation is that the raceway both sides above the fertilization jar form the pressure differential, water pressure when irrigating with fertilizer in the fertilization jar together with the irrigation water in the field, have the advantage of water conservation, save fertilizer, save labour and reduce the plastic film damage.
However, because the water-soluble fertilizer needs to be dissolved in advance, the dissolution degree cannot be observed in a closed container, the dissolution speed cannot be guaranteed, and the situations of fertilizer application dissolution and insufficient mixing are easy to occur; the fertilizer is easily affected by water pressure during fertigation, the fertilizer is completely flushed away in the early stage when the water pressure is too high, the fertilizer is absorbed by crops, the soil is easily hardened, and the fertilizer cannot be completely flushed away in the fertilizer application tank when the water pressure is too low, so that the fertility is insufficient after fertigation; secondly, because of taking away the chemical fertilizer through water pressure during irrigation, all can remain water, fertile mixture in the fertilization jar after fertilization finishes at every turn, the fertilizer of using at every turn probably is different, consequently need empty the evacuation with the fertilization jar earlier before the reuse, and the in-service use process is comparatively inconvenient.
SUMMERY OF THE UTILITY MODEL
Need dissolve water-soluble fertilizer earlier completely in order to begin to irrigate for solving among the above-mentioned current fertilization jar, receive hydraulic influence during irrigation, easily appear influencing fertilizer and absorbing and the insufficient problem of fertilization, an object of the utility model is to provide a fertilization jar, through the agitator with higher speed fertilizer dissolve, through first solenoid valve, second solenoid valve and first water pump control water flow, avoid the problem that the fertilization speed easily receives water pressure to influence, realize fertilization at the uniform velocity, solved fertilization jar among the prior art and influenced by water pressure, the easy influence fertilizer that appears absorbs and fertilizes insufficient technical problem, have extensive popularization and application and worth in agricultural production technical field.
The utility model discloses a realize through following technical scheme:
the utility model provides a pair of fertilization jar, including a jar body, support frame, main water inlet, feed inlet, division board, through-hole, rabbling mechanism and conveying mechanism, the fixed connection of surface symmetry of jar body has the support frame, the main water inlet of the inside fixedly connected with and the feed inlet of the jar body, and the feed inlet top is equipped with sealed lid, the inner wall fixedly connected with division board of the jar body, and the surface of division board is equipped with the through-hole, and the internal rabbling mechanism that has of jar, rabbling mechanism and division board rotate to be connected, and one side conveying mechanism of main water inlet is kept away from to jar external wall.
The utility model discloses in, rabbling mechanism includes backup pad, motor, connecting axle and agitator, and the bottom of the jar body is decided and is connected with the backup pad, the bottom fixedly connected with motor of backup pad, and the output cooperation of motor is connected with the connecting axle, and the one end that the motor was kept away from to the connecting axle is equipped with the agitator, and agitator top and bottom all are equipped with the stirring leaf that impeller form annular was arranged, and the connecting axle rotates with the agitator after passing jar body and division board to be connected.
The utility model discloses in, conveying mechanism includes first connecting pipe, first water pump, second connecting pipe and fixed block, the first connecting pipe of bottom fixedly connected with of the jar body, and jar body bottom is close to one side downward sloping setting of first connecting pipe, and the first water pump of one end fixedly connected with of the jar body is kept away from to first connecting pipe, first water pump and jar body fixed connection, the inside fixedly connected with second connecting pipe of first water pump, the fixed surface of second connecting pipe is connected with the fixed block, fixed block and jar body fixed connection.
The utility model discloses in, the fixed surface of the jar body is connected with the controller.
The utility model discloses in, the output fixedly connected with shaft coupling of motor, the shaft coupling is connected with the connecting axle cooperation.
The utility model discloses in, the fixed surface of main water inlet is connected with first solenoid valve.
The utility model discloses in, the fixed surface of first connecting pipe is connected with the second solenoid valve.
The utility model discloses in, one side of keeping away from first solenoid valve on the main water inlet is equipped with assists the water inlet, is equipped with the second water pump on assisting the water inlet, is equipped with the third solenoid valve between second water pump and the main water inlet.
The utility model discloses in, first solenoid valve, second solenoid valve, third solenoid valve, first water pump, second water pump and motor all with controller electric connection.
Compared with the prior art, use the utility model provides a pair of fertilizing tank can obtain following beneficial effect:
(1) With second connecting pipe and outside fertilization water piping connection, through main water inlet and feed inlet, constantly add rivers and fertilizer to jar internal portion respectively, the starter motor, the output of motor drives the agitator and rotates, accelerate fertilizer to dissolve, need not to wait for natural dissolution or manual stirring to dissolve, dissolve efficiently, chemical fertilizer after dissolving passes through the through-hole and mixes with water and rush out, chemical fertilizer that does not dissolve then stays in the through-hole top and is continuously stirred, also can directly pour liquid fertilizer into the fertilization jar through the feed inlet and mix with water, and through the speed of the steerable liquid fertilizer drippage of through-hole on the division board.
(2) The mixed liquid fertilizer flows to the lower part of the partition plate through the through hole, the first water pump is started, the liquid fertilizer below the partition plate enters the inside of the external fertilization water pipe through the first connecting pipe and the second connecting pipe to be fertilized, and in the fertilization process, the water flow is controlled through the first electromagnetic valve and the second electromagnetic valve.
(3) Adopt first water pump to aspirate the fertilization, can fertilize at every turn and finish the back, loosen sealed lid, the inside and outside atmospheric pressure of balanced fertilization jar, through the water of first water pump in with the fertilization jar, fertile mixture evacuation completely, it remains to avoid using to accomplish the fertilization jar appears, is convenient for continue to use next time.
(4) When water pressure is unstable, the water inlet speed is controlled through the first electromagnetic valve, the water outlet speed is controlled through the second electromagnetic valve, the fertilizer is completely flushed in a short time when the water pressure is large, or the fertilizer has surplus and can not be fully fertilized when the water pressure is insufficient, meanwhile, the fertilizer can be pumped from a surrounding water pool through the auxiliary water inlet when the water pressure is insufficient, auxiliary irrigation is realized, the application is diversified, the operation is simple, the fertilizing speed can be effectively controlled, the fertilizing efficiency is improved, the fertilizer can be prevented from being flushed away in advance when the water pressure is large or the fertilizer in the fertilizer tank can not be completely flushed away when the water pressure is too small, the problem of influencing the absorption of crops to the fertilizer is solved, and the agricultural production technology field has wide popularization and application values.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 shows a cross-sectional view of the present invention;
fig. 3 is a schematic structural diagram of the stirring mechanism of the present invention.
Reference numerals: 1-tank body, 2-support frame, 3-main water inlet, 4-feed inlet, 5-sealing cover, 6-partition plate, 7-through hole, 8-stirring mechanism, 9-conveying mechanism, 10-support plate, 11-motor, 12-connecting shaft, 13-stirrer, 14-stirring blade, 15-first connecting pipe, 16-first water pump, 17-second connecting pipe, 18-fixed block, 19-controller, 20-coupler, 21-first electromagnetic valve, 22-second electromagnetic valve, 23-auxiliary water inlet, 24-third electromagnetic valve and 25-second water pump.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to fig. 1-3, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, but not all of them.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, for convenience of description, the description of the relative position relationship of each component in a fertilizer tank is described according to the layout pattern of fig. 1, such as: the positional relationship of up, down, left, right, etc. is determined according to the layout direction of fig. 1.
Combine shown in fig. 1 to fig. 3, a fertilization jar, which comprises a tank body 1, support frame 2, main water inlet 3, feed inlet 4, division board 6, through-hole 7, rabbling mechanism 8 and conveying mechanism 9, the surperficial symmetry fixedly connected with support frame 2 of the jar body 1, the inside fixedly connected with main water inlet 3 and the feed inlet 4 of the jar body 1, feed inlet 4 top is equipped with sealed lid 5, the inner wall fixedly connected with division board 6 of the jar body 1, the surface of division board 6 is equipped with through-hole 7, there is rabbling mechanism 8 in the jar body 1, rabbling mechanism 8 rotates with division board 6 to be connected, one side conveying mechanism 9 of main water inlet 3 is kept away from to the external wall of the jar body 1.
Combine fig. 2, fig. 3 shows, in the utility model, rabbling mechanism 8 includes backup pad 10, motor 11, connecting axle 12 and agitator 13, the bottom of jar body 1 is surely connected with backup pad 10, the bottom fixedly connected with motor 11 of backup pad 10, motor 11's output cooperation is connected with connecting axle 12, the one end that motor 11 was kept away from to connecting axle 12 is equipped with agitator 13, agitator 13 top and bottom all are equipped with impeller form annular arrangement's stirring leaf 14, connecting axle 12 rotates with agitator 13 after passing jar body 1 and division board 6 to be connected, can stir fertilizer and the rivers of dividing board 6 tops through agitator 13, make fertilizer and rivers intensive mixing, improve the dissolution efficiency of fertilizer.
Combine as shown in fig. 1, the utility model discloses in, conveying mechanism 9 includes first connecting pipe 15, first water pump 16, second connecting pipe 17 and fixed block 18, the first connecting pipe 15 of the bottom fixedly connected with of the jar body 1, and the one side downward sloping setting that the jar body 1 bottom is close to first connecting pipe 15, the first water pump 16 of the one end fixedly connected with of the jar body is kept away from to first connecting pipe 15, first water pump 16 and the 1 fixed connection of the jar body, the inside fixedly connected with second connecting pipe 17 of first water pump 16, the fixed surface of second connecting pipe 17 is connected with fixed block 18, fixed block 18 and the 1 fixed connection of the jar body, be connected second connecting pipe 17 with the irrigation system of outside crop, start first water pump 16, make the inside that enters into outside fertilization water pipe behind the liquid fertilizer that divides board 6 below loop through first connecting pipe 15 and second connecting pipe 17, fertilize.
The utility model discloses in, the fixed surface of the jar body 1 is connected with controller 19.
Combine fig. 2, fig. 3 to show, in the utility model, motor 11's output fixedly connected with shaft coupling 20, shaft coupling 20 is connected with the cooperation of connecting axle 12, and when motor 11 started, carries out overload protection to connecting axle 12 through shaft coupling 20.
With reference to fig. 1, in the present invention, the surface of the main water inlet 3 is fixedly connected with a first electromagnetic valve 21.
The utility model discloses in, the fixed surface of first connecting pipe is connected with second solenoid valve 22.
The utility model discloses in, one side of keeping away from first solenoid valve 21 on main water inlet 3 is equipped with assists water inlet 23, is equipped with second water pump 25 on assisting water inlet 23, is equipped with third solenoid valve 24 between second water pump 25 and the main water inlet 3, and the accessible is assisted water inlet 23 and is drenched water from other places and fertilize when water pressure is not enough and irrigate, and water pressure is unstable when having avoided the field to concentrate fertigation, easily influences the problem of irrigation effect.
Referring to fig. 1 to 3, in the present invention, the first solenoid valve 21, the second solenoid valve 22, the third solenoid valve 24, the first water pump 16, the second water pump 25 and the motor 11 are all electrically connected to the controller 19, and the controller 19 opens the first solenoid valve 21 to control water inflow; the controller 19 opens the second electromagnetic valve 22 and the first water pump 16 to control water outlet; the fertilizer dissolution can be accelerated by starting the motor 11 through the controller 19; by closing the first solenoid valve 21 and opening the third solenoid valve 24 and the second water pump 25 by the controller 19, the water can be pumped from other water sources such as a pool through the auxiliary water inlet 23 for irrigation.
Use the utility model discloses in the time, be connected main water inlet 3 with the water source, be connected second connecting pipe 15 and field irrigation system, through main water inlet 3 to the internal water injection of jar, add fertilizer to jar body 1 through feed inlet 4, starter motor 11, motor 11's output drives connecting axle 12 and rotates, it rotates to drive agitator 13 through connecting axle 12 rotation, fertilizer and rivers through agitator 13 top and bottom are stirred to partition plate 6 top and below fertilizer, accelerate fertilizer and rivers intensive mixing, the liquid fertilizer after the mixture flows to the below of partition plate 6 through-hole 7, the chemical fertilizer of unsolvant then continues to dissolve with the water stirring in through-hole 7 top, start first water pump 16, the liquid fertilizer mixture of partition plate 6 below passes through first connecting pipe 15, second connecting pipe 17 enters into field irrigation system, fertilize.
At the in-process of fertilization, closely closing cap 5 is rotated on feed inlet 4, according to actual conditions, through first solenoid valve 21 of controller 19 control, second solenoid valve 22 and first water pump 16 to control inflow and outflow, improve the dissolution rate of fertilizer, adjust outflow according to water pressure at the fertilization in-process, avoid fertigation in-process because of hydraulic unstable fertilizer that causes can not be at the uniform velocity by the problem of being washed out, labour saving and time saving improves the absorption efficiency of crop to fertilizer.
The situation that insufficient water pressure is likely to occur during field centralized irrigation, water can be drawn from water sources such as a water pool, a pond and municipal tap water through the second water pump 25 and the auxiliary water inlet 23 to assist irrigation, fertilizer dissolution can be accelerated through the stirrer 13 when the water pressure is large, the water inlet flow can be controlled through the first electromagnetic valve 21 controlled by the controller 19, the water outlet flow can be controlled through the second electromagnetic valve 22, the water pressure is stabilized, the irrigation speed and the fertilization speed are consistent, the sealing cover is unscrewed after fertilization is completed, after the external air pressure in the fertilization tank is balanced, the residual water-fertilizer mixture in the fertilization tank can be completely discharged through the first water pump combined with the inclined bottom of the tank body, so that the next time of continuous use is facilitated, the problems that the existing fertilization tank needs to completely dissolve water-soluble fertilizer in advance to start irrigation, the irrigation is affected by the water pressure during irrigation, the fertilizer absorption efficiency is low and the fertilizer application is insufficient, and the residual water left in the tank body after the irrigation is completed are solved, and the agricultural production technology field has wide popularization and application value.
The standard parts used in the document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment adopt conventional models in the prior art; the control circuit of the controller can be implemented by simple programming by a person skilled in the art, is common knowledge in the art, and is mainly used to protect the mechanical device in this application, so the control mode and circuit connection are not explained in detail in this application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (8)

1. A fertilizing pot comprising: jar body (1), support frame (2), main water inlet (3), feed inlet (4), division board (6), through-hole (7), rabbling mechanism (8) and conveying mechanism (9), its characterized in that: the utility model discloses a water tank, including the jar body (1), the surperficial symmetry fixedly connected with support frame (2) of the jar body (1), the inside fixedly connected with main water inlet (3) and the feed inlet (4) of the jar body (1), feed inlet (4) top is equipped with sealed lid (5), the inner wall fixedly connected with division board (6) of the jar body (1), the surface of division board (6) is equipped with through-hole (7), there are rabbling mechanism (8) in the jar body (1), rabbling mechanism (8) rotate with division board (6) to be connected, one side conveying mechanism (9) of main water inlet (3) are kept away from to the jar body (1) outer wall.
2. The fertilization pot of claim 1, wherein: rabbling mechanism (8) are including backup pad (10), motor (11), connecting axle (12) and agitator (13), the bottom of the jar body (1) is decided and is connected with backup pad (10), the bottom fixedly connected with motor (11) of backup pad (10), the output cooperation of motor (11) is connected with connecting axle (12), and the one end that motor (11) were kept away from in connecting axle (12) is equipped with agitator (13), and agitator (13) top and bottom all are equipped with stirring leaf (14) that impeller form annular was arranged, connecting axle (12) are passed jar body (1) and division board (6) back and are rotated with agitator (13) and are connected.
3. The fertilizing pot of claim 1, wherein: conveying mechanism (9) are including first connecting pipe (15), first water pump (16), second connecting pipe (17) and fixed block (18), the first connecting pipe (15) of the bottom fixedly connected with of the jar body (1), the one side downward sloping setting that jar body (1) bottom is close to first connecting pipe (15), the first water pump (16) of the one end fixedly connected with of the jar body are kept away from in first connecting pipe (15), first water pump (16) and jar body (1) fixed connection, inside fixedly connected with second connecting pipe (17) of first water pump (16), the fixed surface of second connecting pipe (17) is connected with fixed block (18), fixed block (18) and jar body (1) fixed connection.
4. The fertilization pot of claim 1, wherein: the surface of the tank body (1) is fixedly connected with a controller (19).
5. The fertilization pot of claim 2, wherein: the output end of the motor (11) is fixedly connected with a coupler (20), and the coupler (20) is connected with the connecting shaft (12) in a matched mode.
6. The fertilizing pot of claim 1, wherein: the surface of the main water inlet (3) is fixedly connected with a first electromagnetic valve (21).
7. A fertiliser application tank according to claim 3, characterised in that: and a second electromagnetic valve (22) is fixedly connected to the surface of the first connecting pipe (15).
8. The fertilization pot of claim 6, wherein: one side of the main water inlet (3) far away from the first electromagnetic valve (21) is provided with an auxiliary water inlet (23), the auxiliary water inlet (23) is provided with a second water pump (25), and a third electromagnetic valve (24) is arranged between the second water pump (25) and the main water inlet (3).
CN202222049558.1U 2022-08-04 2022-08-04 Fertilizing tank Active CN218302248U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222049558.1U CN218302248U (en) 2022-08-04 2022-08-04 Fertilizing tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222049558.1U CN218302248U (en) 2022-08-04 2022-08-04 Fertilizing tank

Publications (1)

Publication Number Publication Date
CN218302248U true CN218302248U (en) 2023-01-17

Family

ID=84873606

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222049558.1U Active CN218302248U (en) 2022-08-04 2022-08-04 Fertilizing tank

Country Status (1)

Country Link
CN (1) CN218302248U (en)

Similar Documents

Publication Publication Date Title
CN218302248U (en) Fertilizing tank
CN214430155U (en) Water and fertilizer integrated pump-controlled fertilization system
CN206993941U (en) A kind of irrigation rig that can continuously carry out liquid medicine mixing
CN211090656U (en) Integrative irrigation equipment of liquid manure
CN211909664U (en) Be used for nursery management liquid manure integrated device
CN208029436U (en) A kind of intelligence wine-growing Irrigation and fertilization system
CN206283832U (en) A kind of farmland trees liquid manure irrigation device
CN214863130U (en) Water-soluble fertile agitating unit
CN216566161U (en) Agricultural soil fertilizer fertilization is with driping irrigation device
CN221283774U (en) Agricultural water and fertilizer integrated irrigation equipment
CN211442853U (en) Water-soluble fertile filling structure of liquid
CN217116910U (en) Self-stirring water and fertilizer fertilizing device
CN215935571U (en) Water and fertilizer integrated precise fertilizing, pesticide applying and irrigating device
CN209322492U (en) A kind of automatical dosing adds alkali agent adding device for treatment of water
CN218897533U (en) Intelligent fertilizing device
CN213610817U (en) Horizontal mixer of compost
CN219124780U (en) Accurate fertilizer injection unit of agricultural
CN221228251U (en) Water and fertilizer integrated device of electromechanical integrated filter
CN220369054U (en) Water and fertilizer integrated device for peanut film irrigation
CN220528588U (en) Wisdom agricultural liquid manure fertilization equipment
CN209476064U (en) A kind of fertilizer apparatus for rapid dissolution
CN218302255U (en) Liquid manure integration mixing mechanism
CN216687690U (en) Chemical-adding sewage treatment device for sewage treatment
CN217884464U (en) Agricultural liquid manure integration is with fertilization jar
CN219108201U (en) Quick fertilizer injection unit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant