CN212660551U

CN212660551U - Seed sucking disc, adjustable air suction seeder and adjustable air suction duckbilled dibbler

Info

Publication number: CN212660551U
Application number: CN202020545280.5U
Authority: CN
Inventors: 张书祥; 张述功; 周道良
Original assignee: Manasi Xianghe Farm Machinery Co ltd
Current assignee: Manasi Xianghe Farm Machinery Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-03-09
Anticipated expiration: 2030-04-14

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a seed suction disc, an adjustable air suction seeder and an adjustable air suction duckbilled dibbler, wherein the seed suction disc comprises a seed suction disc body; the adjustable air suction seeder comprises a central shaft, a connecting shaft, an air chamber base plate, a fixed plate, an inspection cover, a seed cleaning device, a machine frame and a seed suction plate; the adjustable air suction duckbilled dibbler comprises a side ring cover, a guide groove body, a duckbilled dibbler and an adjustable air suction dibbler. The utility model has the advantages of reasonable and compact structure, simple structure is reliable, can be according to the plant spacing demand of difference, with glib talker body fixed mounting fixed seed hole or wherein a set of adjustable seed hole of inhaling is used for getting kind, it is used for sealing to inhale stifled silk of seed hole installation with other, when changing the plant spacing, only need adjust the position and the quantity of glib talker body and stifled silk, it is convenient to adjust, adjustable gas inhales disseminator convenient to use, be convenient for with duckbilled cavitation ware fast assembly, also can inhale the disseminator with adjustable gas and install on conventional drilling disseminator, application scope is wide, the dismouting is simple.

Description

Seed sucking disc, adjustable air suction seeder and adjustable air suction duckbilled dibbler

Technical Field

The utility model relates to the technical field of agricultural machinery, a seed sucking disc, adjustable air suction seeder and adjustable air suction duckbilled dibbler.

Background

The current air suction seeder generally adsorbs the seed through the air suction hole on the seed sucking disc and realizes getting kind, nevertheless does not drop in order to guarantee to get kind of in-process seed, and the air suction that provides usually is great, and this often causes an air suction hole department to adsorb two three seeds again, and current seed sucking disc must pull down the seed sucking disc of installing different plant spacing when adjusting the plant spacing simultaneously, increases the regulation degree of difficulty, also is not convenient for realize precision seeding yet.

Disclosure of Invention

The utility model provides a seed sucking disc, adjustable air suction disseminator and adjustable air suction duckbilled dibbler has overcome above-mentioned prior art not enough, and it can effectively solve the problem that the seed sucking disc dismouting is complicated among the current air suction disseminator, adjusts the difficulty.

One of the technical schemes of the utility model is realized through following measures: the utility model provides a seed sucking disc, including the seed sucking disc body, still include the glib body, the seed sucking disc body is ring shape, the seed sucking disc body outside has at least one outside bellied lug, seed sucking disc body right-hand member face is close to the outside and has a set of fixed seed sucking hole group and at least a set of adjustable seed sucking hole group along the circumference equipartition, fixed seed sucking hole group includes the fixed seed sucking hole of a plurality of along circumference equipartition, seed sucking hole group is adjustable including a plurality of along the adjustable seed sucking hole of circumference equipartition every group, the quantity of seed sucking hole and the quantity of fixed seed sucking hole are all inequality with every fixed seed sucking hole, every adjustable seed sucking hole is the same and coaxial setting with every fixed seed sucking hole homogeneous size, the downthehole equal spiro union of every fixed seed sucking has the glib body, the downthehole spiro union of every adjustable seed sucking has plug silk or glib body, the glib suction head of every glib body all is located seed sucking disc body left side, seed sucking disc body right-hand member face is close to inboard.

The following is a further optimization or/and improvement of one of the above technical solutions of the present invention:

preferably, a group of fixed seed sucking hole groups and two groups of adjustable seed sucking hole groups are uniformly distributed on the right end surface of the seed sucking disc body close to the outer side along the circumference, each fixed seed sucking hole group comprises six fixed seed sucking holes uniformly distributed along the circumference, each group of adjustable seed sucking hole groups comprises seven first adjustable seed sucking holes uniformly distributed along the circumference, the other group of adjustable seed sucking hole groups comprises eight second adjustable seed sucking holes uniformly distributed along the circumference, one of the first adjustable seed sucking holes coincident with the fixed seed sucking holes is a first shared hole, one of the third adjustable seed sucking holes coincident with the first shared hole is a second shared hole, the other third adjustable seed sucking hole coincident with the fixed seed sucking holes is a third shared hole, the second shared seed sucking holes, the third shared holes and the fixed seed sucking holes at other positions are all screwed with oil nozzle bodies, and the second adjustable seed sucking holes at other positions and the third adjustable seed sucking holes are all screwed with blocking wires.

Preferably, a group of fixed seed sucking hole groups, a first group of adjustable seed sucking hole groups, a second group of adjustable seed sucking hole groups and a third group of adjustable seed sucking hole groups are uniformly distributed on the right end surface of the seed sucking disc body close to the outer side along the circumference, the fixed seed sucking hole groups comprise nine fixed seed sucking holes uniformly distributed along the circumference, the first group of adjustable seed sucking hole groups comprise ten fourth adjustable seed sucking holes uniformly distributed along the circumference, the second group of adjustable seed sucking hole groups comprise eleven fifth adjustable seed sucking holes uniformly distributed along the circumference, the third group of adjustable seed sucking hole groups comprise twelve sixth adjustable seed sucking holes uniformly distributed along the circumference, three sixth adjustable seed sucking holes superposed with the fixed seed sucking holes are fourth shared holes, one fifth adjustable seed sucking hole superposed with the fourth shared seed sucking hole is a fifth shared hole, and one fourth adjustable seed sucking hole superposed with the fifth shared seed sucking hole is a sixth shared seed sucking hole, and each fifth common hole and the fixed seed sucking holes at other positions are all in screwed connection with an oil nozzle body, and the fourth adjustable seed sucking holes, the fifth adjustable seed sucking holes and the sixth adjusting holes at other positions are all in screwed connection with a plugging wire.

The seed sucking disc further comprises a lining ring, the right end face of the seed sucking disc body is close to the outer side and fixedly connected with the lining ring, the lining ring is circular and is coaxially arranged with the seed sucking disc body, the right end of each fixed seed sucking hole and the right end of each adjustable seed sucking hole extend rightwards to the right side of the lining ring, the right end of each oil nozzle body is in threaded connection with the fixed seed sucking holes, and the right end of each thread plugging or the right end of each oil nozzle body is in threaded connection with the adjustable seed sucking holes.

The second technical scheme of the utility model is realized through following measure: an adjustable air suction seeder comprises a central shaft, a connecting shaft, an air chamber seat disc, a fixed disc, an inspection cover, a seed cleaning device, a rack and a seed suction disc, wherein the central shaft is a hollow shaft arranged in the left-right direction, the connecting shaft is fixed at the right end of the central shaft, the central axis of the connecting shaft is collinear with the central axis of the central shaft, the air chamber seat disc is rotatably installed outside the connecting shaft and is a circular disc-shaped structural body, a round sleeve-shaped connecting ring table is fixed at the middle part of the left side of the air chamber seat disc, a round sleeve-shaped limiting ring table protruding towards the left is arranged at the middle part of the left end face of the connecting ring table, a round sleeve-shaped seed disc seat is rotatably installed outside the right part of the central shaft, a flange plate is fixed at the right end of the seed disc seat, the left end face of the flange plate and the right end face of the connecting ring table are positioned on, the seed sucking air chamber is sealed between the inner side of the connecting ring table, the right end face of the seed sucking disc body, the right end face of the flange disc, the outer side of the central shaft and the left end face of the air chamber seat disc, at least one communicating hole which is communicated with the inside and the outside is uniformly distributed on the outer side of the right end of the central shaft in the seed sucking air chamber along the circumference, a fixed disc is fixedly arranged on the outer side of the middle part of the central shaft corresponding to the left end position of the seed seat, the right end of the outer side of the fixed disc extends rightwards to be close to the outer side of the left part of the connecting ring table, a rear arc-shaped plate is fixed on the right side of the rear part of the fixed disc and comprises an arc-shaped section and a vertical section which are sequentially fixed together from top to bottom, the arc-shaped section is of an arc-shaped plate structure which is coaxially arranged with the central shaft, the outer radius, the front arc-shaped plate is of an arc-shaped plate structure which is coaxial with the central shaft, the radius of the inner side of the front arc-shaped plate is larger than the distance from the central line of the oil nozzle body to the central axis, the inner side of the rear end of the front arc-shaped plate is contacted with the lower side of the seed blocking brush, the inner side of the front arc-shaped plate, the front side of the seed blocking brush, the inner side of the rear arc-shaped plate, the outer side of the central shaft and the left end surface of the seed sucking disc body form a seed bin with an opening at the upper part, the left side of the upper part of the fixed disc corresponding to the upper side of the seed bin is provided with a check hole which is communicated with the left and the right, the check hole is in a sector ring shape and is positioned above the central shaft, the left side of the fixed disc corresponding to the check hole is provided with a check cover matched with the check hole, the rear side of the middle part of the check cover is fixedly connected with the fixed lug through a first connecting bolt, the, the right side of the front part of the inspection cover is fixedly provided with at least one seed cleaner capable of scraping redundant seeds adsorbed on the oil nozzle body into the seed bin, the right end of each seed cleaner can be close to the outer side of the left end of the oil nozzle body, the left side of the front part of the fixed disc is provided with a seed inlet communicated with the seed bin, the seed inlet is fixedly communicated with a seed inlet pipe, the left side of the lower part of the fixed disc corresponding to the front side of the vertical section is provided with a seed discharging port positioned at the rear side of the seed inlet, the left side of the fixed disc corresponding to the position of the seed discharging port is provided with a seed discharging door matched with the seed discharging port, the rear side of the seed discharging door is hinged and connected with the left side of the fixed disc through a hinge shaft, the front side of the seed discharging door is tightly leaned on the left side of the fixed disc through a seed discharging bolt, the outer side of the lower part of the fixed disc corresponding to the position of the front lower part of the seed discharging port is, the left end of the central shaft corresponding to the left position of the round nut is in threaded connection with an elbow, the upper end of the elbow is in threaded connection with a hose connector, and the upper end of the hose connector can be fixedly communicated with an air suction pipe.

The following is further optimization or/and improvement of the second technical scheme of the utility model:

the right side of the middle part of the air chamber seat disk can be provided with an installation sleeve which protrudes rightwards, the right end of the installation sleeve is positioned at the right side of the connecting shaft, the right outer side of the right part of the installation sleeve is provided with a dustproof cap, a right bearing is fixedly arranged between the inner side of the middle part of the installation sleeve and the outer side of the right end of the connecting shaft, the right end of the connecting shaft corresponding to the right end position of the inner ring of the right bearing is fixedly provided with a round right baffle plate through a positioning bolt, the inner side of the installation sleeve corresponding to the right end position of the outer ring of the right bearing is provided with a snap spring, a first sealing ring is arranged between the inner side of the air chamber seat disk corresponding to the left end position of the right bearing and the outer side of the connecting shaft, a second sealing ring is arranged between the left end inside the connecting ring platform and the outer right end of the seed sucking disk body, a third sealing ring is arranged between, and a fifth sealing ring is arranged between the inner side of the left part of the seed tray seat corresponding to the left side position of the left bearing and the outer side of the central shaft.

The connecting ring platform left end face accessible of the above-mentioned corresponding spacing ring platform outside tightly decides bolt fixed mounting has the pressure disk of suit at the internal side of price fixing right-hand member, the pressure disk left side has the guide vane that corresponds with the glib talker body along the circumference equipartition, the inside right side of every guide vane all supports tightly with the seed suction dish body left end, connecting axle left end fixed mounting has the connecting plate that the lower extreme is located seed suction air chamber lower part, the connecting plate left side that corresponds the right-hand position in seed brush rear side is equipped with closes the inflator, it is the opening right and the tube-shaped body that outside diameter is greater than adjustable seed suction hole diameter to close the inflator, fixedly connected with can make the compression spring who closes the sealed adjustable seed suction hole of inflator left end face.

The third technical scheme of the utility model is realized through following measures: an adjustable air suction duckbill dibbler comprises a side ring cover, a guide groove body, a duckbill dibbler and an adjustable air suction seeder, wherein the side ring cover is sleeved outside the right end of a fixed disc and is in a circular ring shape, the inner side of the side ring cover is close to the outer side of the fixed disc, the side ring cover is fixedly connected with an air chamber seat disc through a plurality of third connecting bolts uniformly distributed along the circumference, a reference hole corresponding to a lug is arranged on the air chamber seat disc, a seeding ring sleeved outside the left end of the fixed disc is fixedly installed between the side ring cover and the fixed disc, a seed passing hole corresponding to an oil nozzle body and communicated with the inside and the outside is arranged outside the middle part of the seeding ring, the duckbill dibbler is fixedly installed outside the seeding ring corresponding to each seed passing position, the guide groove body is fixedly installed inside the seeding ring corresponding to each seed passing position, an inner channel and an outer channel are sequentially arranged in each guide groove body from left to right, each inner channel is communicated with the outer channel corresponding to the outer channel through, each inner channel is provided with an inlet which can correspond to the seeding port, and each outer channel is communicated with the inlet of the duckbill acupuncture point forming device at the corresponding position.

The utility model has the advantages of reasonable and compact structure, simple structure is reliable, can be according to the plant spacing demand of difference, with glib talker body fixed mounting fixed seed hole or wherein a set of adjustable seed hole of inhaling is used for getting kind, it is used for sealing to inhale stifled silk of seed hole installation with other, when changing the plant spacing, only need adjust the position and the quantity of glib talker body and stifled silk, it is convenient to adjust, adjustable gas inhales disseminator convenient to use, be convenient for with duckbilled cavitation ware fast assembly, also can inhale the disseminator with adjustable gas and install on conventional drilling disseminator, application scope is wide, the dismouting is simple.

Drawings

FIG. 1 is a schematic structural view, partially in section, of a first embodiment in front view.

Fig. 2 is a left-side view of the zoom structure of fig. 1.

Fig. 3 is a left side view structural diagram of the second embodiment.

Fig. 4 is a left-view zooming structure diagram of the third embodiment.

FIG. 5 is a schematic partial sectional structure view of the fourth embodiment in front view.

Fig. 6 is a left side view structure diagram of the fixed plate in fig. 5.

Fig. 7 is a right-view structural schematic diagram of the fixed plate in fig. 5.

Fig. 8 is a schematic partial sectional structure view of the fifth embodiment in front view.

The codes in the figures are respectively: 1 is a seed sucking disc body, 2 is a nozzle body, 3 is a bump, 4 is a plug wire, 5 is a connecting hole, 6 is a lining ring, 7 is a central shaft, 8 is a connecting shaft, 9 is an air chamber seat disc, 10 is a connecting ring table, 11 is a limit ring table, 12 is a mounting sleeve, 13 is a dust cap, 14 is a right baffle plate, 15 is a fixed disc, 16 is an arc section, 17 is a vertical section, 18 is a seed blocking brush, 19 is a front arc plate, 20 is a seed bin, 21 is an inspection cover, 22 is a fixing lug, 23 is an adjusting lug, 24 is a seed discharging door, 25 is a seed discharging opening, 26 is a seed cleaning device, 27 is a seed inlet pipe, 28 is a frame, 29 is a round nut, 30 is a seed disc seat, 31 is a flange plate, 32 is a seed sucking air chamber, 33 is a communicating hole, 34 is a guide blade, 35 is a guide blade, 36 is a connecting plate, 37 is a closed air cylinder, 38 is a compression spring, 39 is a snap spring, 40 is a first sealing ring, 41 is a second sealing ring, and 42 is a, 43 is the fourth sealing washer, and 44 is the fifth sealing washer, and 45 are the side shroud, and 46 are the guide way body, and 47 are duckbilled cavitation ware, and 48 are the circular cone compression spring of unloading kind.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

the first embodiment is as follows: as shown in attached figures 1 and 2, the seed suction plate comprises a seed suction plate body 1 and an oil nozzle body 2, wherein the seed suction plate body 1 is annular, at least one convex block 3 protruding outwards is arranged on the outer side of the seed suction plate body 1, a group of fixed seed suction hole groups and at least one group of adjustable seed suction hole groups are uniformly distributed on the right end surface of the seed suction plate body 1 close to the outer side along the circumference, the fixed seed suction hole groups comprise a plurality of fixed seed suction holes uniformly distributed along the circumference, each group of adjustable seed suction hole groups comprise a plurality of adjustable seed suction holes uniformly distributed along the circumference, the number of the adjustable seed suction holes in each group is different from the number of the fixed seed suction holes, each adjustable seed suction hole and each fixed seed suction hole are same in size and are coaxially arranged, the oil nozzle body 2 is screwed in each fixed seed suction hole, a silk blocking 4 or the oil nozzle body 2 is screwed in each adjustable seed suction hole, and an oil nozzle suction head of each oil nozzle body 2 is positioned on the left side of the seed suction plate body 1, at least two connecting holes 5 which are communicated left and right are evenly distributed on the right end surface of the seed sucking disc body 1 close to the inner side along the circumference.

The nozzle body 2 is a well-known nozzle, such as a straight nozzle of M10 x 1 without spring and steel ball or a jet nozzle with a tapered left end, and the size of the nozzle body 2 can be changed according to the size of the seeds. The blocking thread 4 is the prior known technology, such as the blocking thread 4 or a screw, and the number of the convex blocks 3 is one. In the use, through setting up fixed seed hole group and the seed hole group of inhaling with adjustable, can be according to the plant spacing demand of difference, be used for getting kind with glib talker body 2 fixed mounting in fixed seed hole or one of them adjustable seed hole of inhaling, it is sealed to inhale stifled silk 4 of seed hole installation with other, through setting up like this, when changing the plant spacing, need not dismantle seed dish body 1 of inhaling, only need adjust the position and the quantity of glib talker body 2 and stifled silk 4, it is convenient to adjust, through setting up lug 3, be convenient for install as the benchmark at the installation or can use lug 3 to install when maintaining seed dish body 1, the installation is simple and convenient.

The seed sucking plate can be further optimized or/and improved according to the actual requirement:

as shown in the attached drawings 1 and 2, the seed sucking disc further comprises a lining ring 6, the right end face of the seed sucking disc body 1 is close to the outside fixedly connected with lining ring 6, the lining ring 6 is circular and is coaxially arranged with the seed sucking disc body 1, the right end of each fixed seed sucking hole and the right end of each adjustable seed sucking hole extend rightwards to the right side of the lining ring 6, the right end of each oil nozzle body 2 is screwed into the fixed seed sucking hole, and the right end of each plug wire 4 or the right end of each oil nozzle body 2 is screwed into the adjustable seed sucking hole.

In the use, through such setting, can make the installation of glib body 2 more firm, also can increase glib body 2 or stifled silk 4 and inhale the sealing performance between the seed hole, the effect of adsorbing the seed is better during operation.

Example two: as shown in the attached figure 3, a fixed seed sucking hole group and two adjustable seed sucking hole groups are uniformly distributed on the right end surface of the seed sucking disc body 1 close to the outer side along the circumference, the fixed seed sucking hole group comprises six fixed seed sucking holes uniformly distributed along the circumference, one adjustable seed sucking hole group comprises seven first adjustable seed sucking holes uniformly distributed along the circumference, the other adjustable seed sucking hole group comprises eight second adjustable seed sucking holes uniformly distributed along the circumference, one of the first adjustable seed sucking holes coincident with the fixed seed sucking holes is a first shared hole, one of the third adjustable seed sucking holes coincident with the first shared hole is a second shared hole, the other third adjustable seed sucking hole coincident with the fixed seed sucking holes is a third shared hole, the second shared seed sucking holes, the third shared holes and the fixed seed sucking holes at other positions are all screwed with oil nozzle bodies 2, and the second adjustable seed sucking holes at other positions and the third adjustable seed sucking holes are all screwed with blocking threads 4.

During the use, through such setting, can make the quantity of glib body 2 switch between 1, 2, 3, 4, 6, 7 and 8 to realize 7 kinds of different planting row spacing.

Example three: as shown in the attached figure 4, a group of fixed seed sucking hole groups, a first group of adjustable seed sucking hole groups, a second group of adjustable seed sucking hole groups and a third group of adjustable seed sucking hole groups are uniformly distributed on the right end surface of the seed sucking disc body 1 close to the outer side along the circumference, the fixed seed sucking hole groups comprise nine fixed seed sucking holes uniformly distributed along the circumference, the first group of adjustable seed sucking hole groups comprise ten fourth adjustable seed sucking holes uniformly distributed along the circumference, the second group of adjustable seed sucking hole groups comprise eleven fifth adjustable seed sucking holes uniformly distributed along the circumference, the third group of adjustable seed sucking hole groups comprise twelve sixth adjustable seed sucking holes uniformly distributed along the circumference, three sixth adjustable seed sucking holes superposed with the fixed seed sucking holes are fourth shared holes, one fifth adjustable seed sucking hole superposed with the fourth shared seed sucking holes is a fifth shared hole, one fourth adjustable seed sucking hole superposed with the fifth shared seed sucking hole is a sixth shared seed sucking hole, and each fifth common hole and the fixed seed sucking holes at other positions are all in screwed connection with an oil nozzle body 2, and the fourth adjustable seed sucking holes, the fifth adjustable seed sucking holes and the sixth adjusting holes at other positions are all in screwed connection with a plugging wire 4.

The difference between the embodiment and the second embodiment is that a group of adjustable seed sucking holes are added, so that the number of the nozzle tip bodies 2 is switched among 1, 2, 3, 4, 5, 6, 9, 10, 11 and 12, 10 different seeding plant distances are realized, and the number of the adjustable seed sucking holes and the number of the fixed seed sucking holes can be between 1 and 25 according to the use requirements.

Example four: as shown in the attached figures 5, 6 and 7, the adjustable air-suction seeder comprises a central shaft 7, a connecting shaft 8, an air chamber seat disk 9, a fixed disk 15, an inspection cover 21, a seed cleaner 26, a frame 28 and a seed suction disk, wherein the central shaft 7 is a hollow shaft arranged in the left-right direction, the right end of the central shaft 7 is fixed with the connecting shaft 8, the central axis of the connecting shaft 8 is collinear with the central axis of the central shaft 7, the outer side of the connecting shaft 8 is rotatably provided with the air chamber seat disk 9, the air chamber seat disk 9 is a circular disk-shaped structure, the middle part of the left side of the air chamber seat disk 9 is fixed with a circular sleeve-shaped connecting ring platform 10, the middle part of the left end surface of the connecting ring platform 10 is provided with a circular sleeve-shaped limiting ring platform 11 protruding leftwards, the outer side of the right part of the central shaft 7 is rotatably provided with a circular sleeve-shaped seed disk seat 30, the right end of the seed disk seat 30 is fixed with a flange, the right side of the outer part of the seed sucking disc is in sealing contact with the left side of a connecting ring table 10, a seed sucking air chamber 32 which is sealed is formed between the right end face of a seed sucking disc body 1, the right end face of a flange plate 31, the outer side of a central shaft 7 and the left end face of an air chamber base disc 9, at least one communicating hole 33 which is communicated with the inside and the outside is uniformly distributed on the outer side of the right end of the central shaft 7 in the seed sucking air chamber 32 along the circumference, a fixed disc 15 is fixedly arranged on the outer side of the middle part of the central shaft 7 corresponding to the left end position of a seed disc base 30, the right end of the outer side of the fixed disc 15 extends rightwards to be close to the outer side of the left part of the connecting ring table 10, a rear arc-shaped plate is fixed on the right side of the rear part of the fixed disc 15, the rear arc-shaped plate comprises an arc-shaped section 16 and a vertical section 17 which are sequentially fixed together from top to, a seed blocking brush 18 is fixedly arranged at the lower side of the vertical section 17, a front arc plate 19 is fixed at the right side of the front part of the fixed disc 15, the front arc plate 19 is of an arc-shaped plate structure which is coaxial with the central shaft 7, the radius of the inner side of the front arc plate 19 is larger than the distance from the central line of the oil nozzle body 2 to the central axis, the inner side of the rear end of the front arc plate 19 is contacted with the lower side of the seed blocking brush 18, a seed bin 20 with an opening at the upper part is formed among the inner side of the front arc plate 19, the front side of the seed blocking brush 18, the inner side of the rear arc plate, the outer side of the central shaft 7 and the left end surface of the seed sucking disc body 1, a left-right through inspection hole is arranged at the left side of the upper part of the fixed disc 15 corresponding to the upper side of the seed bin 20, the inspection hole is in a sector ring shape positioned above the central shaft 7, an inspection cover 21 matched with the inspection hole, an adjusting lug 23 is fixed on the front side of the inspection cover 21, a U-shaped adjusting groove which is through from left to right and has a downward opening is arranged on the lower portion of the adjusting lug 23, the right side of the adjusting lug 23 is tightly propped against the left side of the fixed disc 15 through a second connecting bolt positioned in the adjusting groove, at least one seed cleaner 26 capable of scraping redundant seeds adsorbed on the oil nozzle body 2 into the seed bin 20 is fixedly arranged on the right side of the front portion of the inspection cover 21, the right end of each seed cleaner 26 can be close to the outer side of the left end of the oil nozzle body 2, a seed inlet communicated with the seed bin 20 is arranged on the left side of the front portion of the fixed disc 15, a seed inlet pipe 27 is fixedly communicated with the seed inlet, a seed discharging port positioned on the rear side of the seed inlet is arranged on the left side of the lower portion of the fixed disc 15 corresponding to the front side of the vertical section 17, a seed discharging door 24 matched with the seed discharging port is arranged on the, the front side of the seed discharging door 24 is tightly close to the left side of the fixed disc 15 through a seed discharging bolt, a seed discharging port 25 which is communicated with the inside and the outside is arranged on the outer side of the lower part of the fixed disc 15 corresponding to the front lower position of the seed discharging port, the lower part of the rack 28 is fixedly connected to the outer side of a central shaft 7 on the left side of the fixed disc 15, a round nut 29 which can enable the right side of the rack 28 to be tightly close to the left end face of the fixed disc 15 is screwed on the outer side of the central shaft 7 corresponding to the left position of the rack 28, an elbow is screwed on the left end of the central shaft 7 corresponding to the left position of the round.

According to the requirement, the central shaft 7 and the connecting shaft 8 are integrally arranged, the air chamber seat disc 9 and the connecting ring platform 10 are integrally arranged, the seed disc seat 30 and the flange disc 31 are integrally arranged, the material of the seed discharging door 24 and the inspection cover 21 is the prior known technology, such as organic glass, the seed cleaning device 26 is the prior known technology, such as a conical helical compression spring with a large left end and a small right end, a toothed plate or a cleaning brush, the left end of the seed cleaning device 26 is fixedly arranged on the inspection cover 21 through bolts, the number of the seed cleaning devices 26 is two and is distributed along the circumference in a staggered manner, the first connecting bolt and the second connecting bolt are the prior known technology, such as a cross countersunk head screw, the two sides of the seed inlet pipe 27 are fixedly arranged on the fixed disc through the connecting screws, the seed discharging bolt is the prior known technology, such as the cross countersunk screw, the seed discharging door 24 can also enable the seed discharging door 24 to be tightly leaned with the fixed disc 15 through the torsional spring arranged on the hinged shaft, the seed discharging door 24 can also, the elbow is prior art, like 90 degrees elbows, and the hole of ring flange 31 is the screw hole and is the same with the quantity of connecting hole 5, corresponds 16 outside fixed mounting of arc sections of seed brush 18 rear side position and has the ability to dial the seed on the glib talker body 2 to the conical compression spring 48 of unloading of seed mouth 25. In the using process, the air chamber base plate 9 moves forward along the frame 28 and starts to rotate, when the nozzle body 2 adsorbs one or more seeds in the seed bin 20, the air chamber base plate 9 rotates along the inner side of the front arc-shaped plate 19 to the position above the seed bin 20, the seed cleaning device 26 on the lower side can clean the redundant seeds on the lower side of the nozzle body 2 to the seed bin 20, the seed cleaning device 26 on the upper side can clean the redundant seeds on the upper side of the nozzle body 2 to the seed bin 20, only one seed is adsorbed when the nozzle body 2 rotates to the rear side of the seed cleaning device 26, the nozzle body 2 continues to rotate along the outer side of the arc-shaped section 16 to the rear side of the seed blocking brush 18, the seed blocking brush 18 can brush the seeds when the nozzle body 2 passes through the seed blocking brush 18, and then the seeds fall into the soil through the seed outlet 25, so that the separation efficiency of the seeds from the nozzle body 2 can be improved, the reliability is stronger, and the situation that the seeds adsorbed on the nozzle body 2 by the seed cleaning device 26 can be observed by arranging the inspection cover 21, convenient to in time adjust seed clearing device 26, through setting up the seed discharge door 24, can collect the seed in kind of storehouse 20 when changing the seeding seed, can practice thrift the seed cost.

The adjustable air suction seeder can be further optimized or/and improved according to actual requirements:

as shown in the attached figures 5, 6 and 7, the right side of the middle part of the air chamber seat disk 9 is provided with an installation sleeve 12 which is protruded rightwards, and the right end of the installation sleeve 12 is positioned at the right side of the connecting shaft 8, the right outer side of the right part of the installation sleeve 12 is provided with a dustproof cap 13, a right bearing is fixedly arranged between the inner side of the middle part of the installation sleeve 12 and the outer side of the right end of the connecting shaft 8, the right end of the connecting shaft 8 corresponding to the right end position of the inner ring of the right bearing is fixedly provided with a round right baffle plate 14 through a positioning bolt, the inner side of the installation sleeve 12 corresponding to the right end position of the outer ring of the right bearing is provided with a snap spring 39, a first sealing ring 40 is arranged between the inner side of the air chamber seat disk 9 corresponding to the left end position of the right bearing and the outer side of the connecting shaft 8, a second sealing ring 41 is arranged between the left end of the, a fourth seal ring 43 is installed between the inner side of the right part of the seed plate seat 30 corresponding to the right position of the left bearing and the outer side of the central shaft 7, and a fifth seal ring 44 is installed between the inner side of the left part of the seed plate seat 30 corresponding to the left position of the left bearing and the outer side of the central shaft 7.

According to requirements, the second sealing ring 41 and the third sealing ring 42 are all in the prior art, such as O-shaped sealing rings, the first sealing ring 40, the fourth sealing ring 43 and the fifth sealing ring 44 are all in the prior art, such as oil seals, the left bearing and the right bearing are all in the prior art, such as deep groove ball bearings, and the snap spring 39 is in the prior art, such as a snap spring for a shaft. In the use, through setting up installation cover 12, the fixed mounting right bearing between air chamber seat dish 9 and the 8 right-hand members of connecting axle of being convenient for also is convenient for seal between air chamber seat dish 9 and the connecting axle 8, can improve the sealing performance who inhales seed air chamber 32 through setting up the sealing washer, through setting up dust cap 13, can avoid jump ring 39 to get into dust and damage right bearing, improves the utility model discloses a life.

As shown in fig. 5, 6 and 7, a pressure plate 34 sleeved on the inner side of the right end of the fixed plate 15 is fixedly installed on the left end face of the connecting ring table 10 corresponding to the outer side of the limit ring table 11 through a set bolt, guide vanes 35 corresponding to the oil nozzle body 2 are evenly distributed on the left side of the pressure plate 34 along the circumference, the right side inside each guide vane 35 is tightly abutted to the left end of the seed suction disc body 1, a connecting plate 36 with the lower end located at the lower part of the seed suction air chamber 22 is fixedly installed on the left end of the connecting plate 36 corresponding to the right position of the rear side of the seed blocking brush 18, an air closing cylinder 37 is arranged on the left side of the connecting plate 36 corresponding to the right position of the seed blocking brush 18, the air closing cylinder 37 is a cylinder with a right opening and an outer diameter larger than the adjustable seed suction hole, and.

The fastening bolts are known in the art, such as cross countersunk bolts and matching nuts, and the pressure plate 34 and guide vanes 35 are integrally provided as required. In the using process, the guide blades 35 are arranged to enhance the sealing effect between the seed suction disc and the left end face of the connecting ring platform 10, improve the sealing performance of the seed suction air chamber 32, reduce the pressure requirement of adsorbed seeds and further avoid the phenomenon that the seeds are damaged by the oil nozzle body 2 when the seeds are adsorbed, the air blocking cylinder 37 is arranged, when the oil nozzle body 2 adsorbs one or more seeds in the seed bin 20 and rotates to the position above the seed bin 20 along with the air chamber seat disc 9, under the action of the seed cleaning device 26, redundant seeds are pulled down into the seed bin 20, only one seed is adsorbed on the oil nozzle body 2, the oil nozzle body 2 continues to rotate to the rear side of the seed blocking brush 18, at the moment, the air blocking cylinder 37 blocks the fixed seed suction hole under the action of the compression spring 38, so that the suction force of the oil nozzle body 2 adsorbing the seeds disappears, and meanwhile, when the oil nozzle body 2 passes through the seed blocking brush 18, the seed blocking brush 18 can drop the seed blocking brush, then the seeds fall into the soil through the seed dropping opening 25, so that the separation efficiency of the seeds and the oil nozzle body 2 can be improved, and the reliability is higher.

Example five: as shown in fig. 8, the adjustable air suction duckbill dibbler comprises a side ring cover 45, a guide groove body 46, a duckbill dibbler 47 and an adjustable air suction dibbler, wherein the side ring cover 45 is sleeved outside the right end of a fixed disc 15, the side ring cover 45 is annular, the inner side of the side ring cover is close to the outer side of the fixed disc 15, the side ring cover 45 is fixedly connected with an air chamber base disc 9 through a plurality of third connecting bolts uniformly distributed along the circumference, a reference hole corresponding to a convex block 3 is arranged on the air chamber base disc, a sowing ring sleeved outside the left end of the fixed disc 15 is fixedly arranged between the side ring cover 45 and the fixed disc 15, a seed passing hole corresponding to an oil nozzle body 2 and communicated with the inside and the outside is arranged outside the middle part of the sowing ring, the duckbill dibbler 47 is fixedly arranged outside the sowing ring corresponding to each seed passing position, the guide groove body 46 is fixedly arranged inside the sowing ring corresponding to each seed passing position, an inner channel and an outer channel are sequentially arranged from, every interior passageway all is linked together through a intercommunication mouth that enables the seed to pass through with the outer passageway that corresponds the position, and every interior passageway all is equipped with one and can is linked together with the import that the mouth 25 corresponds down, and every outer passageway all is linked together with the mouth that advances of duckbilled cavitation ware 47 that corresponds the position.

The duckbill cavitator 47 and the third connecting bolt are both well known in the art, as desired. In the use, be convenient for inhale disseminator fast assembly with adjustable gas, also can be convenient for get kind of device with the clamp type and install on conventional drilling disseminator, application scope is wide, uses the installation more convenient with the exchange.

Above technical feature constitutes the utility model discloses an embodiment, it has stronger adaptability and implements the effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.

Claims

1. A seed suction plate comprises a seed suction plate body and is characterized by also comprising an oil nozzle body, wherein the seed suction plate body is annular, at least one convex block protruding outwards is arranged on the outer side of the seed suction plate body, a group of fixed seed suction hole groups and at least one group of adjustable seed suction hole groups are uniformly distributed on the right end face of the seed suction plate body close to the outer side along the circumference, the fixed seed suction hole groups comprise a plurality of fixed seed suction holes uniformly distributed along the circumference, each group of adjustable seed suction hole groups comprise a plurality of adjustable seed suction holes uniformly distributed along the circumference, the number of the adjustable seed suction holes in each group and the number of the fixed seed suction holes are different, each adjustable seed suction hole and each fixed seed suction hole are same in size and are coaxially arranged, the oil nozzle body is screwed in each fixed seed suction hole, a thread plug or an oil nozzle body is screwed in each adjustable seed suction hole, an oil nozzle suction head of each oil nozzle body is positioned on the left side of the seed suction plate body, at least two connecting holes which are communicated left and right are evenly distributed on the right end surface of the seed sucking disc body close to the inner side along the circumference.

2. The seed suction plate according to claim 1, wherein a fixed seed suction hole group and two adjustable seed suction hole groups are uniformly distributed on the right end surface of the seed suction plate body close to the outer side along the circumference, the fixed seed suction hole group comprises six fixed seed suction holes uniformly distributed along the circumference, one adjustable seed suction hole group comprises seven first adjustable seed suction holes uniformly distributed along the circumference, the other adjustable seed suction hole group comprises eight second adjustable seed suction holes uniformly distributed along the circumference, one of the first adjustable seed sucking holes coincident with the fixed seed sucking holes is a first shared hole, one of the third adjustable seed sucking holes coincident with the first shared hole is a second shared hole, the other third adjustable seed sucking hole coincident with the fixed seed sucking holes is a third shared hole, the second shared seed sucking holes, the third shared holes and the fixed seed sucking holes at other positions are all screwed with oil nozzle bodies, and the second adjustable seed sucking holes at other positions and the third adjustable seed sucking holes are all screwed with blocking wires.

3. The seed suction plate according to claim 1, wherein a group of fixed seed suction hole groups, a first group of adjustable seed suction hole groups, a second group of adjustable seed suction hole groups and a third group of adjustable seed suction hole groups are uniformly distributed on the right end surface of the seed suction plate body close to the outer side along the circumference, the fixed seed suction hole groups comprise nine fixed seed suction holes uniformly distributed along the circumference, the first group of adjustable seed suction hole groups comprise ten fourth adjustable seed suction holes uniformly distributed along the circumference, the second group of adjustable seed suction hole groups comprise eleven fifth adjustable seed suction holes uniformly distributed along the circumference, the third group of adjustable seed suction hole groups comprise twelve sixth adjustable seed suction holes uniformly distributed along the circumference, three sixth adjustable seed suction holes coincident with the fixed seed suction holes are fourth shared holes, one fifth adjustable seed suction hole coincident with the fourth shared seed suction hole is a fifth shared seed suction hole, one fourth adjustable seed suction hole coincident with the fifth shared seed suction hole is a sixth shared seed suction hole, and each fifth common hole and the fixed seed sucking holes at other positions are all in screwed connection with an oil nozzle body, and the fourth adjustable seed sucking holes, the fifth adjustable seed sucking holes and the sixth adjusting holes at other positions are all in screwed connection with a plugging wire.

4. The seed suction disc as claimed in claim 1, 2 or 3, further comprising a lining ring, wherein the lining ring is fixedly connected to the right end surface of the seed suction disc body near the outer side, the lining ring is annular and is coaxially arranged with the seed suction disc body, the right end of each fixed seed suction hole and the right end of each adjustable seed suction hole extend rightwards to the right side of the lining ring, the right end of each oil nozzle body is screwed into the fixed seed suction hole, and the right end of each thread plug or the right end of the oil nozzle body is screwed into the adjustable seed suction hole.

5. An adjustable air-suction seeder using the seed suction disc as claimed in any one of claims 1 to 4, comprising a central shaft, a connecting shaft, an air chamber seat disc, a fixed disc, an inspection cover, a seed cleaner, a frame and a seed suction disc, wherein the central shaft is a hollow shaft arranged in left and right directions, the right end of the central shaft is fixed with the connecting shaft, the central axis of the connecting shaft is collinear with the central axis of the central shaft, the outer side of the connecting shaft is rotatably provided with the air chamber seat disc, the air chamber seat disc is a circular disc-shaped structure body, the middle part of the left side of the air chamber seat disc is fixed with a circular sleeve-shaped connecting ring platform, the middle part of the left end surface of the connecting ring platform is provided with a circular sleeve-shaped limiting ring platform protruding to the left, the outer side of the right part of the central shaft is rotatably provided with a circular sleeve-shaped seed disc seat, the right end of the seed disc seat is fixed with a flange, the right side of the outer part of the seed sucking disc is in sealing contact with the left side of the connecting ring table, a sealed seed sucking air chamber is formed between the right end face of the seed sucking disc body, the right end face of the flange disc, the outer side of the central shaft and the left end face of the air chamber seat disc, at least one communicating hole which is communicated with the inside and the outside is uniformly distributed on the outer side of the right end of the central shaft in the seed sucking air chamber along the circumference, a fixed disc is fixedly arranged on the outer side of the middle part of the central shaft corresponding to the left end of the seed seat disc seat, the right end of the outer side of the fixed disc extends rightwards to be close to the outer side of the left part of the connecting ring table, a rear arc-shaped plate is fixed on the right side of the rear part of the fixed disc and comprises an arc-shaped section and a vertical section which are sequentially fixed together from top to bottom, the arc-shaped section is of an arc, a front arc plate is fixed on the right side of the front part of the fixed plate, the front arc plate is in an arc plate-shaped structure which is coaxial with the central shaft, the radius of the inner side of the front arc plate is larger than the distance from the central line of the oil nozzle body to the central axis, the inner side of the rear end of the front arc plate is contacted with the lower side of the seed blocking brush, a seed bin with an opening at the upper part is formed between the inner side of the front arc plate, the front side of the seed blocking brush, the inner side of the rear arc plate, the outer side of the central shaft and the left end surface of the seed sucking plate body, a left through inspection hole and a right through inspection hole are arranged on the left side of the upper part of the fixed plate corresponding to the upper side of the seed bin, the inspection hole is in a sector ring shape positioned above the central shaft, an inspection cover matched with the inspection hole is arranged on the left side of the fixed plate corresponding to the inspection hole, a fixing lug is fixed on the, the right side of the adjusting lug is tightly propped against the left side of the fixed disc through a second connecting bolt positioned in the adjusting groove, the right side of the front part of the inspection cover is fixedly provided with at least one seed cleaning device capable of scraping redundant seeds adsorbed on the oil nozzle body into a seed bin, the right end of each seed cleaning device can be close to the outer side of the left end of the oil nozzle body, the left side of the front part of the fixed disc is provided with a seed inlet communicated with the seed bin, the seed inlet is fixedly communicated with a seed inlet pipe, the left side of the lower part of the fixed disc corresponding to the front side of the vertical section is provided with a seed discharging port positioned at the rear side of the seed inlet, the left side of the fixed disc corresponding to the position of the seed discharging port is provided with a seed discharging door matched with the seed discharging port, the rear side of the seed discharging door is hinged with the left side of the fixed disc through a hinge shaft, the front side of the seed discharging door is tightly propped against the left side of the, the outer side of the central shaft corresponding to the left side of the rack is in threaded connection with a round nut which can enable the right side of the rack to be close to the left end face of the fixed disc, the left end of the central shaft corresponding to the left side of the round nut is in threaded connection with an elbow, the upper end of the elbow is in threaded connection with a hose connector, and the upper end of the hose connector can be fixedly communicated with an air suction pipe.

6. The adjustable air-suction seeder according to claim 5, wherein the right side of the middle part of the air chamber seat disk is provided with a mounting sleeve which is protruded rightwards and the right end of which is positioned at the right side of the connecting shaft, the outer side of the right part of the mounting sleeve is provided with a dust cap, a right bearing is fixedly arranged between the inner side of the middle part of the mounting sleeve and the outer side of the right end of the connecting shaft, the right end of the connecting shaft corresponding to the right end of the inner ring of the right bearing is fixedly provided with a round right baffle plate through a positioning bolt, the inner side of the mounting sleeve corresponding to the right end of the outer ring of the right bearing is provided with a snap spring, a first sealing ring is arranged between the inner side of the air chamber seat disk corresponding to the left end of the right bearing and the outer side of the connecting shaft, a second sealing ring is arranged between the left end of the inner part of the connecting ring table, and a fourth sealing ring is arranged between the inner side of the right part of the seed tray seat corresponding to the right position of the left bearing and the outer side of the central shaft, and a fifth sealing ring is arranged between the inner side of the left part of the seed tray seat corresponding to the left position of the left bearing and the outer side of the central shaft.

7. The adjustable air-suction seeder according to claim 5, wherein the left end face of the connecting ring table corresponding to the outside of the limit ring table is fixedly provided with a pressure plate fitted inside the right end of the fixed plate through a set bolt, the left side of the pressure plate is circumferentially and uniformly provided with guide vanes corresponding to the oil nipple body, the right side inside each guide vane abuts against the left end of the seed suction plate body, the left end of the connecting shaft is fixedly provided with a connecting plate, the lower end of the connecting plate is positioned at the lower part of the seed suction chamber, the left side of the connecting plate corresponding to the right position of the rear side of the seed blocking brush is provided with a closed air cylinder, the closed air cylinder is a cylindrical body with a right opening and an outer diameter larger than the diameter of the adjustable seed suction hole, and a compression spring capable of sealing the left end face of the closed.

8. The adjustable air-suction seeder according to claim 6, wherein a pressure plate fitted inside the right end of the stator plate is fixedly mounted on the left end face of the connecting ring table corresponding to the outer side of the limit ring table through a set bolt, guide vanes corresponding to the oil nipple body are circumferentially and evenly distributed on the left side of the pressure plate, the right side inside each guide vane abuts against the left end of the seed-sucking disc body, a connecting plate is fixedly mounted on the left end of the connecting shaft, the lower end of the connecting plate is located at the lower part of the seed-sucking air chamber, a closed air cylinder is arranged on the left side of the connecting plate corresponding to the right position of the rear side of the seed-blocking brush, the closed air cylinder is a cylindrical body with a right opening and an outer diameter larger than the diameter of the adjustable seed-sucking hole, and a compression spring capable of sealing the.

9. An adjustable air suction duckbill dibbler using the adjustable air suction dibbler of any one of claims 5 to 8, which is characterized by comprising a side ring cover, a guide groove body, a duckbill dibbler and an adjustable air suction dibbler, wherein the outer side of the right end of a fixed disc is sleeved with the side ring cover, the side ring cover is in a circular ring shape, the inner side of the side ring cover is close to the outer side of the fixed disc, the side ring cover is fixedly connected with an air chamber seat disc through a plurality of third connecting bolts which are uniformly distributed along the circumference, the air chamber seat disc is provided with a reference hole corresponding to a convex block, a sowing ring sleeved at the outer side of the left end of the fixed disc is fixedly arranged between the side ring cover and the fixed disc, the outer side of the middle part of the sowing ring is provided with a seed passing hole which is corresponding to an oil nozzle body and is communicated with the inside and the outside, the duckbill dibbler is fixedly arranged at the outer side of the sowing ring corresponding to each seed passing position, the guide groove body is, every interior passageway all is linked together through a intercommunication mouth that enables the seed to pass through with the outer passageway that corresponds the position, and every interior passageway all is equipped with one and can is linked together with the import that the mouth is corresponding down, and every outer passageway all is linked together with the mouth that advances of the duckbilled cavitation ware that corresponds the position.