CN206698657U - hand-held seeder - Google Patents

Abstract

The utility model of a hand-held seeder relates to the field of agricultural machinery, in particular to a hand-held seeder, comprising a hollow sowing wheel and a hand-held frame, the sowing wheel is connected to a rotating shaft through a bearing arranged at the center of the sowing wheel, and the rotating shaft The central axis of the bearing, the central axis of the bearing and the central axis of rotation of the sowing wheel are all on the same straight line, and the handheld frame is fixedly connected with the rotating shaft; Both are connected to a sowing head through a sowing pipe, and the ends of the sowing head are provided with a seed outlet; the utility model is simple in structure, easy to use, and is suitable for sowing on slopes or interplanting crops. The sowing wheel is used to hold the seeds and is controlled by a switch. The device controls the opening and closing of the sowing port to realize the control of seeding. The sowing pipe is turned toward one side of the sowing wheel, and the sowing head is retracted, so that the device can be moved by using the walking wheel.

Description

handheld seeder

technical field

The utility model relates to the field of agricultural machinery, in particular to a hand-held seeder.

Background technique

my country is a mountainous country, and the slopes account for a large proportion. The slopes greater than 15 degrees account for 60% of the country's land area. Planting requires people to dig a small hole in the ground first, and then put in the seeds. The whole process of cultivating the soil requires bending over. Traditional manual sowing is labor-intensive, inefficient, and poor in seeding quality.

Contents of the invention

In order to solve the above problems, the utility model provides a hand-held seeder which is simple in structure, easy to use, can greatly improve labor efficiency and reduce labor intensity, and is suitable for sowing on slopes or interplanting crops.

The utility model hand-held seeder includes a hollow sowing wheel and a hand-held frame. The sowing wheel is connected with a rotating shaft through a bearing arranged at the center of the sowing wheel. The central axis of the rotating shaft is connected with the central axis of the bearing and the sowing wheel. The central axes of rotation of the two are all on the same straight line, and the handheld frame is fixedly connected with the rotation shaft;

The circumferential surface of the sowing wheel is provided with several sowing ports, and the sowing ports are all connected to a sowing head through a sowing pipe, and the ends of the sowing heads are all provided with a seeding port; the sowing pipe and the sowing wheel all rotate connected, and the rotation axes of the sowing tubes are all parallel to the plane where one side of the sowing wheel is located, and the opening directions of the seed outlets are set along the advancing direction of the sowing wheel;

A sowing switch is slidably connected to the sowing ports, and the sowing switches are all slidably arranged on the sowing wheel, and one end of the sowing switch is blocked on the sowing port, and the other end protrudes from the sowing wheel and is respectively connected to a switch controller, the switch controller Control the sliding of the sowing switch to open or close the sowing port. The switch controller is connected to a connecting rod through a connecting rope, and the connecting rod is connected to the control rod arranged on the handheld frame;

A walking wheel is also fixedly connected to one side of the sowing wheel, and the radius of the walking wheel is greater than the radius of the sowing wheel, but less than the distance between the center of the sowing wheel and the seed outlet;

A reset device is arranged on the sowing switch.

Preferably, the sowing switch includes a sliding plate and a wedge-shaped limiting block arranged on one end of the sliding plate protruding from the sowing wheel, and the limiting block is fixedly connected with the sliding plate;

The switch controller includes a wedge-shaped driving block matched with a wedge-shaped limit block, the wedge-shaped driving block is connected with one end of the connecting rope, and the other end of the connecting rope passes through the guide ring and is connected with one end of the connecting rod, and connected The other end of the rod is connected to the control rod in rotation, and the guide ring is fixedly arranged on one end of the handheld frame;

The middle part of the control rod is rotatably connected with a support, and the support is fixedly arranged on the end of the hand-held frame away from the guide ring; a return spring is sleeved on the connecting rope between the wedge-shaped driving block and the guide ring, so that One end of the return spring is fixedly connected with the wedge-shaped driving block, and the other end is fixedly connected with the guide ring.

Preferably, the reset device includes a limit seat fixedly arranged on the sliding plate, a spring and a protective housing, a protrusion is arranged on the limit seat, one end of the spring is sleeved on the protrusion, and the other end is fixed Connected to one side of the sowing wheel, the protrusion points to the side of the sowing wheel, the limit seat and the spring are arranged in the protective housing, the sliding plate passes through the protective housing and slides with the protective housing connected.

Preferably, there are six seeding openings.

Preferably, a feeding port is provided on one side of the sowing wheel, and a plug is movably connected to the feeding port.

Preferably, the handheld frame includes two parallel handheld rods, both of which are fixedly connected to the rotating shaft, and the sowing wheel and the walking wheel are located between the two handheld rods, and the ends of the two handheld rods away from the rotating shaft are connected through an intermediate rod .

Preferably, the connecting rope is a steel wire rope.

Preferably, the height of the wedge-shaped limiting block is 2-3 times the height of the wedge-shaped driving block.

The utility model has the advantages of simple structure and convenient use, and is suitable for sowing on sloping land or interplanting crops. The sowing wheel is used to hold the seeds, and the switch controller is used to control the opening and closing of the sowing port to realize the control of seeding. Rotate on one side to retract the sowing head, thereby using the walking wheels to realize the movement of the device.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a sectional view along line A-A of Fig. 1 .

Fig. 3 is a schematic diagram of the connection between the handle bar and the rotating shaft.

Reference signs: 1-wedge-shaped limit block, 2-sowing wheel, 3-return spring, 4-sowing head, 5-traveling wheel, 6-control lever, 7-hand-held rod, 8-connecting rod, 9-connecting rope , 10- sowing tube, 11- seed outlet, 12- rotating shaft, 13- spring, 14- sliding plate, 15- wedge drive block, 16- guide ring, 17- limit seat, 18- support, 19 -middle rod, 20-turning pin, 21-extension piece.

detailed description

The utility model hand-held seeder comprises a hollow sowing wheel 2 and a hand-held frame. The sowing wheel 2 is connected to a rotating shaft 12 through a bearing arranged at the center of the sowing wheel 2. The central axis of the rotating shaft 12 is connected to the bearing. The central axis and the rotational central axis of the sowing wheel 2 are all on the same straight line, and the handheld frame is fixedly connected with the rotating shaft 12;

The circumferential surface of the sowing wheel 2 is provided with several sowing openings, and the sowing openings are all connected with a sowing head 4 through a sowing pipe 10, and the ends of the sowing head 4 are all provided with a seeding outlet 11; 10 is connected to the sowing wheel 2 in rotation, and the rotation axis 12 of the sowing tube 10 is parallel to the plane where one side of the sowing wheel 2 is located, so that the sowing head 4 can rotate toward one side of the sowing wheel 2 to retract the sowing head 4. The opening direction of the seed outlet 11 is set along the advancing direction of the sowing wheel 2 rolling; the rotation of the sowing tube 10 towards the side of the sowing wheel 2 can be realized by the following structure: the connection between the sowing tube 10 and the sowing wheel 2 is quadrilateral, and the sowing tube 10 One side is connected to the sowing wheel 2 through the rotating pin 20, the side is parallel to the traveling direction of the sowing wheel 2, and the central axis of the rotating pin 20 is parallel to the plane where the side of the sowing wheel 2 is located, and the sowing tube 10 is opposite to the above-mentioned side The other side of the side is provided with an arc-shaped extension piece 21, the extension piece 21 is located in the sowing tube 10 and protrudes toward the sowing wheel 2, and the two outer sides are provided with baffles, when the sowing tube 10 rotates, the extension piece 21 It is always tangent to the opening at the joint between the seeding tube 10 and the sowing wheel 2, combined with the provided baffle, the seeds flowing through the seeding tube 10 are prevented from leaking out.

A sowing switch is slidably connected to the sowing port, and the sowing switch is slidably arranged on the sowing wheel 2, and one end of the sowing switch is blocked on the sowing port, and the other end protrudes from the sowing wheel 2 and is respectively connected to a switch controller. The controller controls the sliding of the sowing switch to open or close the sowing port. The switch controllers are all connected to a connecting rod 8 through a connecting rope 9, and the connecting rod 8 is connected to the control rod 6 arranged on the hand-held frame;

A walking wheel 5 is also fixedly connected to one side of the sowing wheel 2, the radius of the walking wheel 5 is greater than the radius of the sowing wheel 2, but less than the distance between the center of the sowing wheel 2 and the seed outlet 11;

A reset device is arranged on the sowing switch. The sowing switch includes a sliding plate 14 and a wedge-shaped limiting block 1 arranged on one end of the sliding plate 14 protruding from the sowing wheel 2, and the limiting block is fixedly connected with the sliding plate 14;

Described switch controller comprises the wedge-shaped driving block 15 that cooperates with wedge-shaped stop block 1, and described wedge-shaped driving block 15 links to each other with one end of connecting rope 9, and the other end of connecting rope 9 passes through guide ring 16 and connects with the One end of the rod 8 is connected, the other end of the connecting rod 8 is connected with the control rod 6 in rotation, and the guide ring 16 is fixedly arranged on one end of the hand-held frame;

The middle part of the control rod 6 is rotatably connected with a support 18, and the support 18 is fixedly arranged on the end of the hand-held frame away from the guide ring 16; A return spring 3 is sleeved, one end of the return spring 3 is fixedly connected with the wedge-shaped driving block 15 , and the other end is fixedly connected with the guide ring 16 .

The resetting device includes a limit seat 17 fixedly arranged on the sliding plate 14, a spring 13 and a protective housing. The limit seat 17 is provided with a protrusion, and one end of the spring 13 is sleeved on the protrusion. One end is fixedly connected to one side of the sowing wheel 2, the protrusion points to the side of the sowing wheel 2, the limit seat 17 and the spring 13 are all arranged in the protective shell, and the sliding plate 14 passes through the protective shell body and is slidably connected with the protective shell. There are six seeding openings. One side of the sowing wheel 2 is provided with a feeding port, and a plug is movably connected to the feeding port.

The hand-held frame comprises two mutually parallel hand-held bars 7, and the two hand-held bars 7 are fixedly connected with the rotating shaft 12, and the sowing wheel 2 and the walking wheel 5 are all positioned between the two hand-held bars 7, and the two hand-held bars 7 are away from the position of the rotating shaft 12. One end is connected by an intermediate rod 19 . Connecting rope 9 is steel wire rope. The height of the wedge-shaped stop block 1 is 2-3 times of the height of the wedge-shaped drive block 15.

During use, open the sealing plug on the feeding port, add seeds to the sowing wheel 2, after filling, use the sealing plug to seal the feeding port, pull the seeding tube 10, so that the seeding tube 10 is retracted, and faces the sowing wheel 2 in the axial direction Stretch out, now walking wheel 5 is in contact with the ground, and the diameter of planting wheel 2 is smaller than the diameter of walking wheel 5, thereby facilitates the walking of walking wheel 5, then the operator holds the hand-held lever 7 tightly with both hands respectively, promotes walking wheel 5 to rotate, makes walking The wheel 5 is easy to transport the seeds to the mountains or slopes that need to be sown; when ready to start sowing, the sowing tube 10 is pulled so that the sowing tube 10 protrudes toward the radial direction of the sowing wheel 2, and the operator holds the handle bar 7 with both hands, And one hand simultaneously operates the control lever 6 on a hand-held lever 7; when sowing, the operator pushes the handheld frame, and then drives the sowing wheel 2 to rotate, so that part of the sowing head 4 enters the soil, and the operator operates the control lever 6 at the same time, The control rod 6 is rotated around the support 18, so that the steel wire ropes are all in a relaxed state, and the return spring 3 that is sleeved on the steel wire ropes and whose initial state is a compressed state is fully stretched, and the wedge-shaped drive block 15 cooperates with the wedge-shaped stop block 1, so that The wedge-shaped driving block 15 slides toward the sliding plate 14 along its inclined surface matched with the wedge-shaped limiting block 1. Since the upper part of the wedge-shaped driving block 15 has a larger volume, the sliding of the wedge-shaped driving block 15 toward the sliding plate 14 increases the size of the wedge-shaped driving block 15. The distance between the sowing wheel 2 and the wedge-shaped driving block 15 squeezes the wedge-shaped limit block 1, so that the sliding plate 14 slides to the outside of the sowing wheel 2, thereby opening the sowing port and entering the sowing pipe corresponding to the sowing head 4 of the soil The seeds in 10 are under the action of gravity, the seed outlet 11 flows out and then enters the soil; at this time, the spring 13 is in a compressed state, and the sowing port is opened. When the sowing port needs to be closed, the control lever 6 is pulled so that the control rod 6 is wound Seat 18 reverses, and then all wire ropes are straightened, and wedge-shaped driving block 15 is pulled to the direction away from sliding plate 14, and wedge-shaped driving block 15 slides along the inclined plane that it cooperates with wedge-shaped stop block 1, in Under the action of the stretching of the spring 13 in the protective housing, the limit seat 17 is away from the side of the sowing wheel 2 connected to the spring 13, and then drives the sliding plate 14 to slide towards the inside of the sowing wheel 2, so that the wedge-shaped limit block 1 and the sowing wheel 2 The distance between them decreases, and the sliding plate 14 covers the sowing port to realize the closing of the sowing port; the guide ring 16 realizes the reversing of the wire rope in multiple directions, and converts the linear movement of the connecting rod 8 into a wedge-shaped drive block 15 The radial movement on the sowing wheel 2 realizes the synchronous operation of a plurality of sliding plates 14 . The number of sowing openings can be set according to actual sowing requirements, or the sowing openings can be blocked by plugging or sealing outside the sowing wheel 2, leaving only a suitable number of sowing openings for sowing, and the control rod 6 can be used to realize the sowing openings. It can be opened and closed at any time, which is convenient for interplanting of crops, and is also conducive to planting on slopes or mountains. In order to improve the sowing effect, the seeds in the sowing wheel 2 can be filled to 1/3 to 1/2 of the volume of the sowing wheel 2.

Claims (8)

1. A hand-held seeder, comprising a hollow sowing wheel (2) and a hand-held frame, characterized in that the sowing wheel (2) is connected to a rotating shaft (12) through a bearing arranged at the center of the sowing wheel (2) ), the central axis of the rotating shaft (12) is on the same straight line as the central axis of the bearing and the rotating central axis of the sowing wheel (2), and the handheld frame is fixedly connected to the rotating shaft (12); The peripheral surface of the sowing wheel (2) is provided with several sowing openings, and the sowing openings are all connected to a sowing head (4) through the sowing pipe (10). mouth (11); the sowing tube (10) is connected to the sowing wheel (2) in rotation, and the rotation axis (12) of the sowing tube (10) is parallel to the plane where one side of the sowing wheel (2) is located. The opening direction of the seed outlet (11) is set along the forward direction of the rolling of the sowing wheel (2); A sowing switch is slidably connected to the sowing ports, and the sowing switches are all slidably arranged on the sowing wheel (2), and one end of the sowing switch is blocked on the sowing port, and the other end protrudes from the sowing wheel (2) and is respectively connected to a switch Controller, the switch controller controls the sliding of the sowing switch to open or close the sowing port. The switch controller is connected to a connecting rod (8) through a connecting rope (9), and the connecting rod (8) is connected to the hand-held The control rod (6) on the frame is connected; One side of the sowing wheel (2) is also fixedly connected with a walking wheel (5), the radius of the walking wheel (5) is larger than the radius of the sowing wheel (2), but smaller than the center of the sowing wheel (2) to the seed output the distance between the mouths (11); A reset device is arranged on the sowing switch. 2. The hand-held seeder according to claim 1, characterized in that, the sowing switch comprises a sliding plate (14) and a wedge-shaped stop set on one end of the sliding plate (14) protruding from the sowing wheel (2). A position block (1), the limit block is fixedly connected with the sliding plate (14); The switch controller includes a wedge-shaped driving block (15) matched with the wedge-shaped limit block (1), the wedge-shaped driving block (15) is connected to one end of the connecting rope (9), and the other end of the connecting rope (9) After passing through the guide ring (16), it is connected to one end of the connecting rod (8), and the other end of the connecting rod (8) is connected to the control rod (6) in rotation, and the guide ring (16) is fixedly arranged at one end of the handheld frame superior; The middle part of the control rod (6) is rotatably connected with a support (18), and the support (18) is fixedly arranged on the end of the hand-held frame away from the guide ring (16); the wedge-shaped driving block (15) and the guide A return spring (3) is sleeved on the connecting rope (9) between the rings (16), one end of the return spring (3) is fixedly connected with the wedge-shaped driving block (15), and the other end is connected with the guide ring (16) Fixed connection. 3. The hand-held seeder according to claim 2, characterized in that, the reset device includes a limit seat (17), a spring (13) and a protective housing fixedly arranged on the sliding plate (14), the There is a protrusion on the limit seat (17), one end of the spring (13) is sleeved on the protrusion, and the other end is fixedly connected to one side of the sowing wheel (2), and the protrusion points to the sowing wheel On this side of (2), the limit seat (17) and the spring (13) are all arranged in the protective shell, and the sliding plate (14) passes through the protective shell and is slidably connected with the protective shell. 4. The handheld seeder according to claim 3, wherein there are six sowing openings. 5. The hand-held seeder according to claim 4, characterized in that, a feeding port is arranged on one side of the sowing wheel (2), and a plug is movably connected to the feeding port. 6. The hand-held seeder according to claim 5, characterized in that, the hand-held frame includes two hand-held rods (7) parallel to each other, both of which are fixedly connected to the rotating shaft (12), and The sowing wheel (2) and the walking wheel (5) are all positioned between the two hand-held bars (7), and the ends of the two hand-held bars (7) away from the rotating shaft (12) are connected by an intermediate bar (19). 7. The hand-held seeder according to claim 6, characterized in that, the connecting rope (9) is a steel wire rope. 8. The handheld seeder according to claim 7, characterized in that, the height of the wedge-shaped limiting block (1) is 2-3 times the height of the wedge-shaped driving block (15).