CN108848783B

CN108848783B - Agricultural hand-held type seed planter

Info

Publication number: CN108848783B
Application number: CN201810602949.7A
Authority: CN
Inventors: 阳春瑜; 江勇
Original assignee: Hunan Yanyu Modern Agricultural Technology Co ltd
Current assignee: Hunan Yanyu Modern Agricultural Technology Co.,Ltd.
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2021-07-23
Anticipated expiration: 2038-06-12
Also published as: WO2019237611A1; CN108848783A

Abstract

The invention relates to the technical field of agricultural equipment and discloses an agricultural handheld seed sowing machine which comprises a cylinder, wherein a quantitative receiving cylinder is sleeved on the top of the cylinder in a threaded manner, a funnel is sleeved on the top of the quantitative receiving cylinder in a threaded manner, a valve device is fixedly arranged in the middle of one side of the funnel, a fixed chuck is fixedly connected to one side of the bottom of the cylinder, a movable tip is hinged to the other side of the bottom of the cylinder, and one side of the movable tip is movably connected with one side of the fixed tip. This agricultural hand-held type seed seeder connects a section of thick bamboo through cup jointing the ration at the top screw thread of drum, connects a section of thick bamboo's top screw thread noose funnel at the ration, connects a quantity of a section of thick bamboo according to the increase ration of the seed size pertinence of seeding, sets up valve device on the funnel, sets up blocking device at the top of drum inner chamber to in seed to seeding at every turn carries out the ration measurement, thereby has realized agricultural hand-held type seed seeder's quantitative control function.

Description

Agricultural hand-held type seed planter

Technical Field

The invention relates to the technical field of agricultural equipment, in particular to an agricultural handheld seed sowing machine.

Background

The seeder is a planting machine taking crops or seeds as seeding objects, is a new agricultural machine device, replaces the traditional manual operation, has the characteristics of high efficiency, labor saving, uniform seeding and the like, has various types such as a suspension type grain seeder, a centrifugal type seeder, a universal frame seeder, an air-suction type seeder and the like, and is popularized and used in various conventional drill seeders and hill-drop planters for grains, intertillage crops, pasture or vegetables.

Along with the progressive development of science and technology, each trade has also obtained quick development, has appeared the seeder in order to replace traditional planting tool in the planting equipment of agricultural, however the general volume of current seeder is great, carries inconveniently, is not suitable for the farming environment in mountain area, also has the seeder of lighter convenience, but the more portable seeder does not possess the ration function to the seed, the depth of seed in soil when simultaneously can not control the planting, provides an agricultural hand-held type seed seeder for this reason.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an agricultural handheld seed sowing machine which has the advantages of convenience in carrying, suitability for the farming environment in mountainous areas, quantitative control in each seed planting process, controllability of the planting depth of the seeds and the like, and solves the problems that the conventional sowing machine is large in size, inconvenient to carry, unsuitable for the farming environment in mountainous areas, and convenient and light, but the portable sowing machine does not have the function of quantifying the seeds and cannot control the depth of the seeds in soil during planting.

(II) technical scheme

In order to realize the purposes of convenient carrying, suitability for the farming environment of mountainous areas, quantitative control for each seed planting and controllable seed planting depth, the invention provides the following technical scheme: an agricultural hand-held seed sowing machine comprises a cylinder, wherein a quantitative receiving cylinder is sleeved on the top thread of the cylinder, a funnel is sleeved on the top thread of the quantitative receiving cylinder, a valve device is fixedly arranged in the middle of one side of the funnel, a fixed chuck is fixedly connected to one side of the bottom of the cylinder, a movable tip is hinged to the other side of the bottom of the cylinder, one side of the movable tip is movably connected with one side of the fixed tip, a pressing rod is fixedly arranged in the middle of the movable tip far away from one side of the fixed tip, a pressing spring is fixedly connected to the top end of the pressing rod close to one side of the cylinder, one end of the pressing spring is fixedly connected to the cylinder, a fixed slider is fixedly mounted at the top of the front and the back of the movable tip, a movable slider is slidably connected to the front of the fixed slider, a round rod is movably sleeved at the middle of the front of, the number of the fixed legs is two, a left handle is fixedly mounted at the top of one side of the cylinder and located right above the fixed legs, push-pull rods are movably sleeved inside the fixed legs, the top ends of the push-pull rods penetrate through and extend to the positions above the fixed legs at the top of the cylinder, hand pull rods are fixedly sleeved on the top of the hand pull rods, the top of each hand pull rod is movably connected with the bottom of the corresponding left handle, fixing plates and fixing rods located between the two fixed legs are fixedly sleeved on the outer portions of the push-pull rods from top to bottom respectively, springs located between the fixed legs and the fixing plates are movably sleeved on the outer portions of the push-pull rods, the upper ends and the lower ends of the springs are fixedly connected with the bottoms of the fixed legs and the tops of the fixing plates respectively, a power-assisting rod is fixedly connected to one end, close to the cylinder, one end of each resistance rod is fixedly sleeved with one end of the corresponding round rod, the bottom ends of the push-pull rods penetrate through and extend to the positions below the fixed legs at the bottom of the cylinder, and wedge blocks are fixedly sleeved on the upper portions of the lower portions of the fixed legs and the bottom of the cylinder The cylinder is far away from the top fixed mounting of left handle one side and has the right handle, the outside activity of right handle has cup jointed the push-pull device, the bottom that the push-pull device is close to cylinder one side is from last to respectively fixedly connected with bracing piece and pull-down device down, the one end of pull-down device runs through and extends to the inside and the fixedly connected with blocking device of cylinder, the bottom fixed mounting of cylinder one side has the fixed block that is located under the right handle, the middle part screw thread of fixed block one side has cup jointed the nut, the inside activity of fixed block has cup jointed the rack bar, the bottom of rack bar runs through and extends to the below and the fixedly connected with limiting plate of fixed block, the external fixation of rack bar has cup jointed the supporting leg that is located between fixed block and the limiting plate, the bottom of supporting leg and the top fixed connection of limiting plate.

Preferably, the valve device includes the square pole, the fixed square plate that has cup jointed in the outside middle part of square pole, the outside activity of square pole has cup jointed the first extension spring that is located between square plate and the funnel, the both ends of first extension spring respectively with one side of square plate and one side fixed connection of funnel, the inside at funnel one side middle part is equipped with the slide opening, the one end of square pole runs through and extends to the inside and the fixedly connected with baffle of slide opening on the funnel, the inside sliding connection of slide opening on the outside of baffle and the funnel, the width value of baffle is greater than the aperture diameter value of funnel.

Preferably, the push-pull device comprises a sleeve, the sleeve is movably sleeved on the right handle, a circular plate is fixedly mounted in the middle of one side, close to the cylinder, of the sleeve, a second tension spring is fixedly connected in the middle of one side, close to the cylinder, of the circular plate, the second tension spring is movably sleeved on the right handle, and one end of the second tension spring is fixedly connected with the top of one side of the cylinder.

Preferably, the pull-down device comprises a steel wire rope, one end of the steel wire rope is fixedly connected to the bottom of one side of the circular plate, the other end of the steel wire rope penetrates through the cylinder and extends to the inside of the cylinder and is fixedly connected with the middle of the bottom end of the blocking device, the steel wire rope is wound at the bottom of the pulley, the pulley is movably installed at one end of the installation rod, and the other end of the installation rod is fixedly installed at the top of one side of the inner cavity of the cylinder.

Preferably, the blocking device comprises a fixed clamping plate, the top end of the fixed clamping plate is fixedly installed at the top of one side of the inner cavity of the cylinder, bearings are fixedly sleeved on the front side and the rear side of the bottom end of the fixed clamping plate, a movable clamping plate is movably sleeved in the middle of each bearing, and four corners of the movable clamping plate are movably connected with the inside of the cylinder.

Preferably, one side of the outside of the cylinder is provided with a graduated scale positioned right above the fixed block, the inside of the cylinder is provided with a spiral slideway, the width value of the spiral slideway is half of the inner diameter value of the cylinder, and the top end of the spiral slideway inside the cylinder is movably connected with one side of the movable clamping plate.

Preferably, the top end of the pressure lever is not in contact with the outside of the push-pull rod, one side of the pressure lever, which is close to the push-pull rod, is in sliding connection with one side of the wedge block, and the inclination angle value of the pressure lever is 45-60 degrees.

Preferably, one end of the nut penetrates through and extends to the inside of the fixed block, the clamping block is movably sleeved, a tooth groove matched with the outer teeth of the rack rod is formed in one side of the clamping block, and the outer teeth of the rack rod are meshed with the tooth groove in the clamping block.

Preferably, the fixing rod is Y-shaped, one side of the arc groove of the fixing rod is slidably connected with the outside of the cylinder, and the bottoms of the front end and the rear end of the fixing rod, which are close to one side of the cylinder, are fixedly connected with the boosting rods.

(III) advantageous effects

Compared with the prior art, the invention provides an agricultural hand-held seed sowing machine, which has the following beneficial effects:

1. this agricultural hand-held type seed planter through establishing the seeder into the drum shape, installs the handle on the drum, and portable sets up the spiral slideway again in the inside of seeder drum, prevents that the speed of the direct whereabouts of seed from making the seed suffer the damage at the excessive speed to agricultural hand-held type seed planter's practicality has been improved.

2. This agricultural hand-held type seed seeder connects a section of thick bamboo through cup jointing the ration at the top screw thread of drum, connects a section of thick bamboo's top screw thread noose funnel at the ration, connects a quantity of a section of thick bamboo according to the increase ration of the seed size pertinence of seeding, sets up valve device on the funnel, sets up blocking device at the top of drum inner chamber to in seed to seeding at every turn carries out the ration measurement, thereby has realized agricultural hand-held type seed seeder's quantitative control function.

3. This agricultural hand-held type seed sowing machine sets up scale and fixed block respectively through outside one side at the drum, and install nut and rack bar respectively on the fixed block, sets up the fixture block in the inside of fixed block, at the bottom installation limiting plate of rack bar, stability between rethread supporting leg increase rack bar and the limiting plate utilizes the depth of limiting plate control when seed is planted at every turn to agricultural hand-held type seed sowing machine planting depth's control function has been realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the invention at point A in FIG. 1;

FIG. 3 is a schematic view of the valve assembly of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a fixing rod of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a fixing block of FIG. 1 according to the present invention;

FIG. 6 is a schematic view of a support leg of the present invention shown in FIG. 1.

In the figure: 1 cylinder, 2 quantitative receiving cylinders, 3 funnels, 4 valve devices, 41 square rods, 42 square plates, 43 first tension springs, 44 baffles, 5 fixed cusps, 6 movable cusps, 7 compression rods, 8 compression springs, 9 fixed sliders, 10 movable sliders, 11 round rods, 12 fixed legs, 13 left handles, 14 push-pull rods, 15 hand levers, 16 fixed plates, 17 fixed rods, 18 springs, 19 booster rods, 20 wedge blocks, 21 right handles, 22 push-pull devices, 221 sleeves, 222 round plates, 223 second tension springs, 23 support rods, 24 pull-down devices, 241 steel wire ropes, 242 pulleys, 243 mounting rods, 25 blocking devices, 251 fixed clamping plates, 252 bearings, 253 movable clamping plates, 26 fixed blocks, 27 nuts, 28 rack rods, 29 limiting plates and 30 supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the invention provides a technical scheme, an agricultural hand-held seed sowing machine comprises a cylinder 1, one side of the outside of the cylinder 1 is provided with a graduated scale positioned right above a fixed block 26, the inside of the cylinder 1 is provided with a spiral slideway, the width value of the spiral slideway is half of the inner diameter value of the cylinder 1, the top end of the spiral slideway in the cylinder 1 is movably connected with one side of a movable clamping plate 253, so that seeds on a blocking device 25 are prevented from directly falling after entering the cylinder 1 to cause damage to the seeds, meanwhile, the height of a limiting plate 29 is conveniently and accurately controlled, the agricultural hand-held seed sowing machine is suitable for the requirements of different depths when the seeds are planted, the practicability of the agricultural hand-held seed sowing machine is improved, the control function of the planting depth is realized, the top thread of the cylinder 1 is sleeved with a quantitative receiving cylinder 2, the top thread of the quantitative receiving cylinder 2 is sleeved with a funnel 3, the valve device 4 is fixedly arranged in the middle of one side of the funnel 3, the valve device 4 comprises a square rod 41, a square plate 42 is fixedly sleeved in the middle of the outer part of the square rod 41, a first tension spring 43 positioned between the square plate 42 and the funnel 3 is movably sleeved on the outer part of the square rod 41, two ends of the first tension spring 43 are respectively fixedly connected with one side of the square plate 42 and one side of the funnel 3, a sliding hole is arranged in the middle of one side of the funnel 3, one end of the square rod 41 penetrates through and extends into the sliding hole on the funnel 3 and is fixedly connected with a baffle 44, the outer part of the baffle 44 is slidably connected with the inner part of the sliding hole on the funnel 3, the width value of the baffle 44 is larger than the aperture value of the funnel 3, the baffle 44 can prevent seeds in the funnel 3 from falling down, meanwhile, the valve device 4 can be automatically closed by utilizing the first tension spring 43, so as to realize the effect of closure, the function of quantitative metering of agricultural hand-held seeds is realized, one side of the bottom of the cylinder 1 is fixedly connected with a fixed chuck 5, the other side of the bottom of the cylinder 1 is hinged with a movable tip 6, one side of the movable tip 6 is movably connected with one side of the fixed tip 5, the middle part of the movable tip 6, which is far away from one side of the fixed tip 5, is fixedly provided with a pressure rod 7, the top end of the pressure rod 7 is not contacted with the outside of the push-pull rod 14, one side of the pressure rod 7, which is close to the push-pull rod 14, is in sliding connection with one side of the wedge-shaped block 20, the inclination angle value of the pressure rod 7 is 45-60 degrees, the pressure rod 7 is extruded when the wedge-shaped block 20 moves upwards, the pressure rod 7 drives the movable tip 6 to move, the fixed tip 5 and the movable tip 6 are opened to facilitate seeds to fall into soil, so that the practicability of the agricultural hand-held seed sowing machine is improved, the top end, which is close to one side of the cylinder 1, of the pressure rod 8 is fixedly connected to the cylinder 1, the top of the front and back of the movable tip 6 is fixedly provided with a fixed slide block 9, the front of the fixed slide block 9 is connected with a movable slide block 10 in a sliding manner, the middle part of the front of the movable slide block 10 is movably sleeved with a round rod 11, the upper end and the lower end of one side of the cylinder 1 are fixedly provided with fixed legs 12 positioned under the valve device 4, the number of the fixed legs 12 is two, the top of one side of the cylinder 1 is fixedly provided with a left handle 13, the left handle 13 is positioned right above the fixed legs 12, the inner parts of the two fixed legs 12 are movably sleeved with a push-pull rod 14, the top end of the push-pull rod 14 penetrates through and extends to the position above the fixed legs 12 at the top of the cylinder 1 and is fixedly sleeved with a hand pull rod 15, the top of the hand pull rod 15 is movably connected with the bottom of the left handle 13, the outer part of the push-pull rod 14 is fixedly sleeved with a fixed plate 16 and a fixed rod 17 positioned between the two fixed legs 12 from top to bottom respectively, and the fixed rod 17 is Y-shaped, one side of the arc groove of the fixed rod 17 is connected with the outside of the cylinder 1 in a sliding way, the bottoms of the front end and the rear end of the fixed rod 17, which are close to one side of the cylinder 1, are fixedly connected with a boosting rod 19, the Y-shaped fixed rod 17 is utilized to drive the two resistance rods 19, the opening and closing stability of the movable sharp head 6 is increased, meanwhile, the fixed rod 17 is contacted with the cylinder 1 to ensure the stability of the fixed rod 17 during movement, thereby improving the stability and the practicability of the agricultural hand-held seed sowing machine, the outside of the push-pull rod 14 is movably sleeved with a spring 18 which is positioned between a fixed leg 12 and a fixed plate 16, the upper end and the lower end of the spring 18 are respectively fixedly connected with the bottom of the fixed leg 12 and the top of the fixed plate 16, one end of the fixed rod 17, which is close to the cylinder 1, one end of the resistance rod 19 is fixedly sleeved with one end of the circular rod 11, the bottom end of the push-pull rod 14 penetrates and extends to the lower part of the fixed leg 12, and is fixedly sleeved with a wedge block 20, the top of one side of the cylinder 1, which is far away from the left handle 13, is fixedly provided with a right handle 21, the outside of the right handle 21 is movably sleeved with a push-pull device 22, the push-pull device 22 comprises a sleeve 221, the sleeve 221 is movably sleeved on the right handle 21, the middle part of one side of the sleeve 221, which is close to the cylinder 1, is fixedly provided with a circular plate 222, the middle part of one side of the circular plate 222, which is close to the cylinder 1, is fixedly connected with a second tension spring 223, the second tension spring 223 is movably sleeved on the right handle 21, one end of the second tension spring 223 is fixedly connected with the top of one side of the cylinder 1, the push-pull device 22 is used for conveniently controlling the opening and closing of a blocking device 25 inside the cylinder 1 and conveniently controlling the quantity of seeds inside the cylinder 1, so as to realize the function of quantitative metering of the agricultural hand-held seed sowing machine, the bottom of one side of the push-pull device 22, which is close to the cylinder 1, is respectively and fixedly connected with a support rod 23 and a pull-down device 24 from top to bottom, the pull-down device 24 comprises a steel wire rope 241, one end of a steel wire rope 241 is fixedly connected to the bottom of one side of the circular plate 222, the other end of the steel wire rope 241 penetrates through and extends into the cylinder 1 and is fixedly connected with the middle of the bottom end of the blocking device 25, the steel wire rope 241 is wound at the bottom of the pulley 242, the pulley 242 is movably mounted at one end of the mounting rod 243, the other end of the mounting rod 243 is fixedly mounted at the top of one side of the inner cavity of the cylinder 1, the blocking device 25 is conveniently opened by using the pull-down device 24, so that the seeds subjected to quantification enter into the cylinder 1, the practicability of the agricultural hand-held seed sowing machine is improved, one end of the pull-down device 24 penetrates through and extends into the cylinder 1 and is fixedly connected with the blocking device 25, the blocking device 25 comprises a fixed clamping plate 251, the top end of the fixed clamping plate 251 is fixedly mounted at the top, the middle part of the bearing 252 is movably sleeved with the movable clamping plate 253, four corners of the movable clamping plate 253 are movably connected with the inside of the cylinder 1, so that the blocking device 25 can completely block seeds, partial seeds are prevented from falling into the inside of the cylinder 1 from gaps, the quantitative result is not accurate, and the practicability of the agricultural hand-held seed sowing machine is improved, the bottom of one side of the cylinder 1 is fixedly provided with the fixed block 26 positioned right below the right handle 21, the middle thread of one side of the fixed block 26 is sleeved with the nut 27, one end of the nut 27 penetrates through and extends into the inside of the fixed block 26 and is movably sleeved with the clamping block, one side of the clamping block is provided with a tooth socket matched with the outer teeth of the rack bar 28, the outer teeth of the rack bar 28 are meshed with the tooth socket on the clamping block, the clamping block and the rack bar 28 are meshed with each other, the stability of the rack bar 28 during planting is improved, and the rack bar 28 and the limiting plate 29 are prevented from sliding upwards during planting, cause the difference to appear in the depth when planting to improved agricultural hand-held type seed planter's practicality and stability, rack bar 28 has been cup jointed in the inside activity of fixed block 26, and rack bar 28's bottom is run through and is extended to fixed block 26's below and fixedly connected with limiting plate 29, and rack bar 28's external fixation has cup jointed the supporting leg 30 that is located between fixed block 26 and the limiting plate 29, supporting leg 30's bottom and limiting plate 29's top fixed connection.

When the device works, firstly, according to the types of planted seeds, a corresponding number of quantitative receiving cylinders 2 are added, the height of the limiting plate 29 is adjusted by screwing the nut 27, then the seeds are added into the funnel 3, the valve device 4 is opened to enable the seeds to fall onto the blocking device 25, the fixed pointed end 5 and the movable pointed end 6 are inserted into soil, the push-pull device 22 is pulled, the push-pull device 22 drives the pull-down device 24 to open the blocking device 25, the seeds slide down to the position between the fixed pointed end 5 and the movable pointed end 6 along a spiral slide way in the cylinder 1, the left handle 13 and the right handle 21 are simultaneously lifted upwards by two hands, the pull rod 15 is simultaneously pulled, the pull rod 15 drives the push-pull rod 14 and the wedge 20 to move upwards, the wedge 20 extrudes the pressing rod 7, the fixed pointed end 5 and the movable pointed end 6 are opened, and the seeds fall into the soil.

In conclusion, the agricultural hand-held seed sowing machine improves the practicability of the agricultural hand-held seed sowing machine by arranging the sowing machine into the shape of a cylinder 1, installing a handle on the cylinder 1 for convenient carrying, arranging a spiral slideway in the cylinder 1 of the sowing machine to prevent seeds from being damaged due to overhigh direct falling speed, sleeving a quantitative receiving cylinder 2 on the top of the cylinder 1 through threads, sleeving a funnel 3 on the top of the quantitative receiving cylinder 2 through the threads, increasing the number of the quantitative receiving cylinders 2 according to the sizes of the sowed seeds in a targeted manner, arranging a valve device 4 on the funnel 3, arranging a blocking device 25 at the top of an inner cavity of the cylinder 1 to conveniently perform quantitative metering on the sowed seeds at each time, thereby realizing the quantitative control function of the hand-held seed sowing machine, and arranging a graduated scale and a fixed block 26 on one side outside the cylinder 1 respectively, the nut 27 and the rack bar 28 are respectively installed on the fixed block 26, the fixture block is arranged inside the fixed block 26, the limiting plate 29 is installed at the bottom of the rack bar 28, the stability between the rack bar 28 and the limiting plate 29 is improved through the supporting legs 30, the depth of each seed planting is controlled by the limiting plate 29, and therefore the control function of the planting depth of the agricultural hand-held seed planter is achieved; the problem of current seeder generally the volume great, carry inconveniently, be not applicable to the farming environment in mountain area, also have the seeder of lighter convenience, but the more light seeder does not possess the ration function to the seed, the depth of seed in soil when simultaneously can not control the planting is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An agricultural hand-held seed planter comprising a cylinder (1), characterized in that: the quantitative funnel (2) is sleeved on the top thread of the cylinder (1), the funnel (3) is sleeved on the top thread of the quantitative funnel (2), the valve device (4) is fixedly arranged in the middle of one side of the funnel (3), the fixed tip (5) is fixedly connected to one side of the bottom of the cylinder (1), the movable tip (6) is hinged to the other side of the bottom of the cylinder (1), one side of the movable tip (6) is movably connected with one side of the fixed tip (5), the middle of the movable tip (6) far away from one side of the fixed tip (5) is fixedly provided with a pressure rod (7), the top end of the pressure rod (7) close to one side of the cylinder (1) is fixedly connected with a pressure spring (8), one end of the pressure spring (8) is fixedly connected to the cylinder (1), and a fixed sliding block (9) is fixedly arranged at the top of the front and back surfaces of the movable tip (6), the positive sliding connection of fixed slider (9) has movable slider (10), round bar (11) have been cup jointed in the positive middle part activity of activity slider (10), the equal fixed mounting in upper and lower both ends of drum (1) one side has fixed leg (12) that is located under valve device (4), and the quantity of fixed leg (12) is two, the top fixed mounting of drum (1) one side has left handle (13), and left handle (13) are located fixed leg (12) directly over, two push-and-pull rod (14) have been cup jointed in the equal activity of inside of fixed leg (12), the top of push-and-pull rod (14) is run through and is extended to the top that is located drum (1) top fixed leg (12) and fixed cover and has been connect hand lever (15), the bottom swing joint of top and left handle (13) of hand lever (15), the outside of push-and to fixedly cup joint respectively down fixed plate (16) that are located between two fixed leg (12) from last And a fixing rod (17), a spring (18) positioned between the fixed leg (12) and the fixed plate (16) is sleeved on the outer portion of the push-pull rod (14) in a movable mode, the upper end and the lower end of the spring (18) are fixedly connected with the bottom of the fixed leg (12) and the top of the fixed plate (16) respectively, the fixing rod (17) is close to one end of the cylinder (1) and is fixedly connected with a power-assisted rod (19), one end of the power-assisted rod (19) is fixedly sleeved with one end of the round rod (11), the bottom end of the push-pull rod (14) penetrates through and extends to the lower portion of the fixed leg (12) positioned at the bottom of the cylinder (1) and is fixedly sleeved with a wedge block (20), the top portion of the cylinder (1) far away from one side of the left handle (13) is fixedly provided with a right handle (21), the outer portion of the right handle (21) is sleeved with a push-pull device (22), the bottom portion of the push-pull device (22) near one side of the cylinder (1) is fixedly connected with a support rod (23) and a pull device (16) and a lower pull device (22) from top to bottom (24) The utility model discloses a pull-down device (24), the one end of pull-down device (24) runs through and extends to inside and fixedly connected with blocking device (25) of drum (1), the bottom fixed mounting of drum (1) one side has fixed block (26) that is located under right handle (21), nut (27) have been cup jointed to the middle part screw thread of fixed block (26) one side, rack bar (28) have been cup jointed in the inside activity of fixed block (26), the bottom of rack bar (28) runs through and extends to below and fixedly connected with limiting plate (29) of fixed block (26), supporting leg (30) that are located between fixed block (26) and limiting plate (29) have been cup jointed to the external fixation of rack bar (28), the bottom of supporting leg (30) and the top fixed connection of limiting plate (29).

2. An agricultural hand-held seed planter as claimed in claim 1 wherein: valve device (4) include square bar (41), square bar (41) outside middle part is fixed to have cup jointed square plate (42), the outside activity of square bar (41) has cup jointed first extension spring (43) that are located between square plate (42) and funnel (3), the both ends of first extension spring (43) respectively with one side of square plate (42) and one side fixed connection of funnel (3), the inside at funnel (3) one side middle part is equipped with the slide opening, the one end of square bar (41) runs through and extends to inside and fixedly connected with baffle (44) of funnel (3) upper sliding hole, the inside sliding connection of slide opening on the outside of baffle (44) and funnel (3), the width value of baffle (44) is greater than the aperture diameter value of funnel (3).

3. An agricultural hand-held seed planter as claimed in claim 1 wherein: push-and-pull device (22) includes sleeve (221), sleeve (221) activity cup joints on right handle (21), sleeve (221) are close to middle part fixed mounting of drum (1) one side has plectane (222), plectane (222) are close to middle part fixedly connected with second extension spring (223) of drum (1) one side, second extension spring (223) activity cup joints on right handle (21), the one end of second extension spring (223) and the top fixed connection of drum (1) one side.

4. An agricultural hand-held seed planter as claimed in claim 1 wherein: the pull-down device (24) comprises a steel wire rope (241), one end of the steel wire rope (241) is fixedly connected to the bottom of one side of the circular plate (222), the other end of the steel wire rope (241) penetrates through the cylinder (1) and extends to the inside of the cylinder (1) and is fixedly connected with the middle of the bottom end of the blocking device (25), the steel wire rope (241) is wound on the bottom of the pulley (242), the pulley (242) is movably installed at one end of the installation rod (243), and the other end of the installation rod (243) is fixedly installed at the top of one side of the inner cavity of the cylinder (1).

5. An agricultural hand-held seed planter as claimed in claim 1 wherein: the blocking device (25) comprises a fixed clamping plate (251), the top end of the fixed clamping plate (251) is fixedly installed at the top of one side of the inner cavity of the cylinder (1), bearings (252) are fixedly sleeved on the front side and the rear side of the bottom end of the fixed clamping plate (251), a movable clamping plate (253) is movably sleeved in the middle of each bearing (252), and four corners of the movable clamping plate (253) are movably connected with the inside of the cylinder (1).

6. An agricultural hand-held seed planter as claimed in claim 1 wherein: the measuring instrument is characterized in that a graduated scale located right above the fixed block (26) is arranged on one side of the outer portion of the cylinder (1), a spiral slideway is arranged inside the cylinder (1), the width of the spiral slideway is half of the inner diameter of the cylinder (1), and the top end of the spiral slideway inside the cylinder (1) is movably connected with one side of the movable clamping plate (253).

7. An agricultural hand-held seed planter as claimed in claim 1 wherein: the top end of the pressure lever (7) is not in contact with the outer part of the push-pull rod (14), one side of the pressure lever (7) close to the push-pull rod (14) is in sliding connection with one side of the wedge block (20), and the inclination angle value of the pressure lever (7) is 45-60 degrees.

8. An agricultural hand-held seed planter as claimed in claim 1 wherein: the fixture block is sleeved with the inside and the activity of nut (27) through and extending to fixed block (26), and the tooth's socket with rack bar (28) external tooth looks adaptation is seted up to one side of fixture block, the tooth's socket meshing on the external tooth of rack bar (28) and the fixture block.

9. An agricultural hand-held seed planter as claimed in claim 1 wherein: the shape of dead lever (17) is Y shape, and one side of dead lever (17) circular arc groove and the outside sliding connection of drum (1), dead lever (17) are close to drum (1) one side front and back both ends's equal fixedly connected with helping hand pole (19) in bottom.