CN216358126U

CN216358126U - Seedling raising device for agricultural experiments

Info

Publication number: CN216358126U
Application number: CN202123328286.0U
Authority: CN
Inventors: 吴帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-22
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a seedling raising device for agricultural experiments, which comprises a seedling raising box, wherein a box door is hinged on the front side surface of the seedling raising box, the bottom of the inner cavity of the seedling raising box is fixedly connected with a plurality of partition plates which are uniformly arranged at intervals, the upper ends of the partition plates are fixedly connected with supporting blocks, the opposite sides of the upper ends of the supporting blocks are respectively provided with a support groove, and a pot culture support is slidably connected on the support grooves. The utility model aims to provide a seedling raising device which is convenient to use, can spray water in a targeted manner, is uniform in watering amount and avoids water waste.

Description

Seedling raising device for agricultural experiments

Technical Field

The utility model relates to the technical field of modern agriculture, in particular to a seedling raising device for an agricultural experiment.

Background

In the crop seedling raising experiment, the growth environment and the growth period of crop seedlings are deeply researched, and the macroscopic regulation and control can be implemented on external factors influencing the growth of the seedlings, so that the crops can finally enter the field for production in advance, and a foundation is laid for cultivating robust seedlings.

Among the prior art, plant the seedling through planting cultivated in a pot, and regularly need to water, please see a farming experiment that patent number is CN202022595791.0 and grow seedlings device as thing, the outlet pipe has been arranged above the groove of growing seedlings, spray the watering to planting the seedling through the shower nozzle of outlet pipe lower extreme, its watering scope is big, a lot of water sprays the outside at the groove of growing seedlings, cause the water waste, also make the internal ponding that forms of box, and it also is sprayed to plant the seedling not planted in the groove of growing seedlings, cause the water waste, it is comparatively inconvenient to put the research to monomer planting seedling simultaneously, the groove of growing seedlings watering volume of keeping away from the shower nozzle is also different with the groove of growing seedlings watering volume that is close to the shower nozzle, lead to watering water volume unbalance.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the seedling raising device which is convenient to use, can spray water in a targeted manner, is uniform in watering amount and avoids water waste.

The technical scheme adopted by the utility model for realizing the purpose is as follows: a seedling raising device for agricultural experiments comprises a seedling raising box, wherein a box door is hinged to the front side face of the seedling raising box, a plurality of partition plates which are uniformly arranged at intervals are fixedly connected to the bottom of the inner cavity of the seedling raising box, supporting blocks are fixedly connected to the upper ends of the partition plates, support grooves are respectively formed in opposite sides of the upper ends of the supporting blocks, and pot culture supports are slidably connected to the opposite support grooves;

the pot culture support comprises a placing frame, seedling culture basins, a water conveying pipe, a dragging rod, a water conveying pipe and a first water valve device, wherein a plurality of groups of the placing frame are arranged side by side, the seedling culture basins are nested in the placing frame, the water conveying pipe is arranged around the middle part of the placing frame, the upper end of the water conveying pipe is fixedly connected with the water conveying pipe, the top of the water conveying pipe is fixedly connected with the edges of two opposite sides of the placing frame, the top of the water conveying pipe is fixedly provided with the first water valve device, the lower ends of the water conveying pipes on two sides are fixedly connected with the dragging rod, the dragging rod is connected onto a support groove in a sliding mode, one end of the water conveying pipe is fixedly connected with the water receiving pipe, the inner side wall of the seedling culture box opposite to the water receiving pipe is fixedly connected with a butt joint pipe, the second water valve device is fixedly connected into the butt joint pipe, and the other end of the butt joint pipe penetrates out of the seedling culture box and is fixedly connected with a main water pipe, the other end of the main water pipe is fixedly connected with a water tank, and the water tank is fixedly connected to the top end of the seedling raising box;

the first water valve device comprises a first water passing plate, a connecting pipe, a water outlet pipe, a first telescopic rod, a first spring and a first plugging plate, the upper end of the water feeding pipe is fixedly connected with the connecting pipe, the connecting pipe is connected in the lower end pipe orifice of the water outlet pipe in an inserting way, the inside of the water feeding pipe is fixedly connected with the first water passing plate, the middle part of the upper end of the first water passing plate is fixedly connected with the first telescopic rod, the top of the first telescopic rod is fixedly connected with the first plugging plate, the upper end of the first plugging plate is connected with the pipe orifice at the lower end of the connecting pipe in a sealing way, the first spring is connected with the first telescopic rod between the first plugging plate and the first water passing plate in a sliding sleeve way, the upper end of the water outlet pipe is of a plugging structure, the lower end of the plugging structure is fixedly connected with a first mandril, the lower end of the first mandril is connected with the top end of the first plugging plate after passing through the connecting pipe, the lower end outer side wall of the lower end of the water outlet pipe is fixedly connected with a lower pressing plate, the side wall of the upper end of the water outlet pipe is fixedly connected with a spray head, and the spray head is arranged in a downward inclined mode.

Optionally, a water delivery pump is fixedly installed in the water tank, and an output end of the water delivery pump is connected with the main water pipe.

Optionally, the bottom of the rear end of the seedling box is fixedly connected with a drain pipe, and the lower end of the seedling box is fixedly connected with a plurality of supporting legs.

Optionally, seedling raising box both sides wall is provided with a plurality of first observation windows respectively, a plurality of second observation windows have openly been seted up to the chamber door, chamber door one side through the lock with seedling raising box relatively fixed, fixedly connected with handle on the chamber door lateral wall.

Optionally, the inside top end fixedly connected with sun lamp of seedling raising box, the sun lamp periphery is around being provided with the lamp of growing seedlings.

Optionally, a controller is fixedly connected to the outer side wall of the box door, and switches of the water delivery pump, the sun lamp and the seedling growing lamp are all connected with the controller through data lines.

Optionally, the second water valve device includes that the second crosses water board, the third crosses water board, second telescopic link, shutoff ring, second shutoff board, second ejector pin, the water board is crossed to the mouth of pipe internal fixedly connected with second of water receiving pipe, the second crosses water board middle part fixedly connected with second ejector pin, the second ejector pin other end is contradicted and is connected second shutoff board one end, the second shutoff board with one side sealing connection in shutoff ring one side, shutoff ring fixed connection be in the butt joint pipe, second shutoff board opposite side fixedly connected with second telescopic link, second telescopic link other end fixed connection crosses water board middle part in the third, the third crosses the same fixed connection of water board in the butt joint pipe, the slip cover is connected with the second spring on the second telescopic link between water board and the shutoff board is crossed to the third.

Optionally, the edge of the upper end of the seedling raising pot is provided with a notch, the water outlet pipe is arranged in the notch, and the bottom of the seedling raising pot is provided with a water leakage hole.

Optionally, a plurality of fixed blocks of fixedly connected with respectively on the chamber door medial surface, the fixed block side is provided with presses the briquetting, fixed block side fixedly connected with guide arm, it is provided with the guide hole relatively to press the briquetting, guide arm sliding connection is in the guide hole, be provided with a plurality of spread grooves respectively relatively on the fixed block and the opposite face of pressing the briquetting, the third spring both ends are respectively the sliding sleeve connect in the spread groove, press the briquetting other end and be connected with the raceway conflict, after closing the case door, under the elasticity of third spring, make to press the briquetting give support cultivated in a pot all the time an effort to seedling box inside to can guarantee plug-in connection between water receiving pipe and the butt joint pipe, prevent that water receiving pipe and butt joint pipe from taking place to break away from.

The utility model has the beneficial effects that: the device can take and place the potted plant bracket through the bracket groove, so that the seedling pot is conveniently taken and placed; the opposite butt joint pipes of the bracket grooves without the potted plant bracket can be plugged through the second water valve device, so that water leakage of the butt joint pipes which are not connected when watering operation is carried out is prevented, and water resource waste is further caused; similarly, the device can prevent water from flowing out of the water outlet pipe opposite to the placing rack without the seedling raising pot through the first water valve device, so that the utilization rate of water resources is improved, and the waste of water resources is avoided; the water outlet pipes are respectively positioned at the two sides of the seedling raising pots, so that the watering quantity uniformity of each group of seedling raising pots is high.

Drawings

FIG. 1 is a schematic view of the internal connection structure of the seedling raising box of the present invention;

FIG. 2 is a schematic view of the overall appearance structure of the present invention;

FIG. 3 is a schematic sectional view of the seedling box according to the present invention;

FIG. 4 is a schematic view of a connecting structure of the potting support of the present invention;

FIG. 5 is a schematic cross-sectional view of a first water valve assembly of the present invention;

FIG. 6 is a schematic view of a second water valve assembly according to the present invention;

FIG. 7 is a schematic view of a connection structure of a fixing block and a pressing block according to the present invention.

In the figure: 1 seedling raising box, 2 box doors, 3 partition plates, 4 supporting blocks, 5 bracket grooves, 6 potting brackets, 7 placing frames, 8 seedling raising basins, 9 water conveying pipes, 10 towing rods, 11 water conveying pipes, 12 water receiving pipes, 13 butt joint pipes, 14 main water pipes, 15 water tanks, 16 first water passing plates, 17 connecting pipes, 18 water outlet pipes, 19 first telescopic rods, 20 first springs, 22 first plugging plates, 23 first ejector rods, 24 lower pressing plates, 25 spray heads, 26 water discharging pipes, 27 supporting legs, 28 first observation windows, 29 second observation windows, 30 door locks, 31 handles, 32 sun lamps, 33 seedling raising lamps, 34 controllers, 35 second water passing plates, 36 third water passing plates, 37 second telescopic rods, 39 second plugging plates, 40 second ejector rods, 41 plugging rings, 42 second springs, 43 notches, 44 pressing blocks, 45 fixing blocks, 46 guide rods, 47 guide holes, 48 third springs and 49 connecting grooves.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a seedling raising device for agricultural experiments.

In the embodiment of the utility model, the seedling raising device comprises a seedling raising box 1, a box door 2 is hinged on the front side surface of the seedling raising box 1, a plurality of partition plates 3 which are uniformly arranged at intervals are fixedly connected to the bottom of an inner cavity of the seedling raising box 1, supporting blocks 4 are fixedly connected to the upper ends of the partition plates 3, support grooves 5 are respectively formed in the opposite sides of the upper ends of the supporting blocks 4, pot culture supports 6 are slidably connected to the opposite support grooves 5, a drain pipe 26 is fixedly connected to the bottom of the rear end of the seedling raising box 1 and used for draining accumulated water in the seedling raising box 1, a plurality of supporting legs 27 are fixedly connected to the lower end of the seedling raising box 1, and the supporting legs 26 are used for supporting and placing the device.

Wherein, support 6 cultivated in a pot includes rack 7, seedling growing basin 8, raceway 9, drawbar 10, delivery pipe 11, first water valve device.

Specifically, rack 7 is provided with a plurality of groups side by side, the nested placing in rack 7 of nursery sock growing basin 8, rack 7's middle part periphery is enclosed and is equipped with

raceway

9, 9 upper end fixedly connected with delivery pipe 11 of raceway, 11 tops of delivery pipe and 7 relative both sides edge fixed connection of rack, and 11 tops fixed mounting of delivery pipe have a water valve device, be located 9 lower extreme fixedly connected with tow bar 10 of both sides raceway, and the relative one side of tow bar 10 is connected with the rack 7 outside respectively, be used for improving bracket connection steadiness, tow bar 10 sliding connection is on support groove 5. 9 one end fixedly connected with water receiving pipe 12 of raceway, fixedly connected with butt joint pipe 13 on the 1 inside wall of nursery cabinet that the water receiving pipe 12 is relative, and fixedly connected with second water valve device in butt joint pipe 13 wears out 1 back fixedly connected with water main 14 of nursery cabinet respectively to the other end of

butt joint pipe

13, and 14 other end fixedly connected with water tanks 15 of water main, 15 fixed connection of water tanks are on 1 top of nursery cabinet. Wherein, a water delivery pump is fixedly arranged in the water tank 15, and the output end of the water delivery pump is connected with the water main 14 and is used for delivering the water in the water tank 15 out of the water main 14.

More specifically, the upper end edge of the seedling raising pot 8 is provided with a notch 43 relatively for adapting to the water outlet pipe 18, the water outlet pipe 18 is arranged in the notch 43, and the bottom of the seedling raising pot 8 is provided with a water leakage hole to prevent the seedling raising pot 8 from having too much water.

In the present application, the first water valve device includes a first water passing plate 16, a connecting pipe 17, a water outlet pipe 18, a first telescopic rod 19, a first spring 20, and a first blocking plate 22. Specifically, the upper end of the water delivery pipe 11 is fixedly connected with a connecting pipe 17, the connecting pipe 17 is connected in a pipe orifice at the lower end of the water outlet pipe 18 in an inserting manner, a limiting device is arranged between the connecting pipe 17 and the water outlet pipe 18 and used for preventing the water outlet pipe 18 from being pulled out from one end of the water receiving pipe 12, a sealing rubber ring is arranged between the water outlet pipe 18 and the connecting pipe 17 and used for preventing the water leakage at the joint between the water outlet pipe 18 and the connecting pipe 17, a first water passing plate 16 is fixedly connected inside the water delivery pipe 11, a plurality of water passing holes are respectively formed at the peripheral edge of the first water passing plate 16, a first telescopic rod 19 is fixedly connected in the middle of the upper end of the first water passing plate 16, a first plugging plate 22 is fixedly connected at the top of the first telescopic rod 19, the upper end of the first plugging plate 22 is connected in a pipe orifice at the lower end of the connecting pipe 17 in a sealing manner, a first spring 20 is slidably sleeved on the first telescopic rod 19 between the first plugging plate 22 and the first water passing plate 16, and the upper end of the water outlet pipe 18 is of a plugging structure, and the lower end of the plugging structure is fixedly connected with a first ejector rod 23, the lower end of the first ejector rod 23 penetrates through the connecting pipe 17 and then is abutted against and connected with the top end of a first plugging plate 22, the outer side wall of the lower end of the water outlet pipe 18 is fixedly connected with a lower pressing plate 24, the side wall of the upper end of the water outlet pipe 18 is fixedly connected with a spray head 25, the spray head 25 is arranged towards the seedling raising pot 8, the spray head 25 is inclined downwards by 5 degrees to 10 degrees, when the seedling raising pot 8 is not placed on the placing frame 7, the first plugging plate 22 is hermetically connected at the pipe orifice at the lower end of the connecting pipe 17 under the elastic force of a first spring 20, so that the water supply pipe 11 is in a plugging state, after the seedling raising pot 8 is placed on the placing frame 7, the notch 43 at the edge of the seedling raising pot 8 is connected with the lower pressing plate 24, under the gravity of the seedling raising pot 8, the lower pressing plate 24 drives the water outlet pipe 18 to be downwards inserted into the connecting pipe 17, and simultaneously the first ejector rod 23 at the top of the water outlet pipe 18 moves downwards, and the tail end of the bottom part presses the first blocking plate 22 downwards to enable the first blocking plate 22 to be separated from the lower end pipe orifice of the connecting pipe 17, so that water flow can flow into the connecting pipe 17 from the water supply pipe 11 and then enters the water outlet pipe 18 from the connecting pipe 17, and then the water is sprayed in the seedling raising basin 8 through the spray head 25 on one side of the upper end of the water outlet pipe 18.

In an embodiment of the utility model, a plurality of first observation windows 28 are respectively arranged on two side walls of the seedling raising box 1, a plurality of second observation windows 29 are arranged on the front surface of the box door 2, the first observation windows 28 and the second observation windows 29 are both used for observing the inside of the seedling raising box 1, one side of the box door 2 is relatively fixed with the seedling raising box 1 through a door lock 30, and a handle 31 is fixedly connected on the outer side wall of the box door 2 and used for conveniently opening the box door 2. More specifically, the top end inside the seedling raising box 1 is fixedly connected with a sun lamp 32, a seedling raising lamp 33 is arranged around the sun lamp 32, the sun lamp 32 is used for simulating sunlight irradiation, and the seedling raising lamp 33 is used for promoting the growth and development of the planted seedlings. More specifically, still fixedly connected with controller 34 on the chamber door 2 lateral wall, the switch of water delivery pump, sun lamp 32, grow seedlings lamp 33 all is connected with controller 34 through the data line, and controller 34 is used for the system management of this device equipment, and this device still has heating device, humidification device, temperature sensor, humidity transducer etc. except water delivery pump, sun lamp 32, grow seedlings lamp 33.

In the present application, the second water valve device includes a second water passing plate 35, a third water passing plate 36, a second telescopic rod 37, a blocking ring 41, a second blocking plate 39, and a second push rod 40. Specifically, a second water passing plate 35 is fixedly connected in the mouth of the water receiving pipe 12, a second push rod 40 is fixedly connected in the middle of the second water passing plate 35, the other end of the second push rod 40 is connected in an abutting manner to one end of a second plugging plate 39, the same side of the second plugging plate 39 is connected to one side of a plugging ring 41 in a sealing manner, the plugging ring 41 is fixedly connected in the butt joint pipe 13, the other side of the second plugging plate 39 is fixedly connected with a second telescopic rod 37, the other end of the second telescopic rod 37 is fixedly connected in the middle of a third water passing plate 36, the third water passing plate 36 is also fixedly connected in the butt joint pipe 13, a second spring 42 is sleeved on the second telescopic rod 37 between the third water passing plate 36 and the plugging plate in a sliding manner, when the potting support 6 is not placed on the support groove 5, the water receiving pipe 12 is not inserted in the butt joint pipe 13, at this time, the second plugging plate 39 is connected in a sealing manner with the plugging ring 41 in a sealing manner under the elastic force of the second spring 42, so as to make the butt joint pipe 13 in a plugging state, after the potted plant support 6 is placed on the support groove 5, the water receiving pipe 12 at one end of the potted plant support 6 is connected into the butt joint pipe 13 in an inserting mode, the second ejector rod 40 at one end of the water receiving pipe 12 presses the second plugging plate 39, the second plugging plate 39 and the plugging ring 41 are separated from each other, therefore water flow in the butt joint pipe 13 can flow into the water receiving pipe 12, a sealing rubber ring is arranged between the butt joint pipe 13 and the water receiving pipe 12 for sealing treatment, and water leakage is prevented.

In an embodiment of the utility model, the inner side surfaces of the box door 2 are fixedly connected with a plurality of fixed blocks 45 respectively, the side surfaces of the fixed blocks 45 are provided with pressing blocks 44, the side surfaces of the fixed blocks 45 are fixedly connected with guide rods 46, the pressing blocks 44 are oppositely provided with guide holes 47, the guide rods 46 are slidably connected in the guide holes 47, a plurality of connecting grooves 49 are oppositely arranged on the opposite surfaces of the fixed blocks 45 and the pressing blocks 44 respectively, two ends of a third spring 48 are connected in the connecting grooves 49 in a sliding way respectively, the other end of the pressing block 44 is connected with the water conveying pipe 9 in an abutting mode, after the box door 2 is closed, the pressing blocks 44 always give acting force to the potted plant support 6 towards the interior of the seedling box 1 under the elastic force of the third spring 48, so that the inserting connection between the water receiving pipe 12 and the butt joint pipe 13 can be ensured, and the water receiving pipe 12 and the butt joint pipe 13 are prevented from being separated.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a device of growing seedlings that agronomy experiments were used, includes seedling box (1), its characterized in that: a box door (2) is hinged to the front side face of the seedling box (1), the bottom of an inner cavity of the seedling box (1) is fixedly connected with a plurality of partition plates (3) which are uniformly arranged at intervals, the upper ends of the partition plates (3) are fixedly connected with supporting blocks (4), support grooves (5) are respectively formed in opposite sides of the upper ends of the supporting blocks (4), and pot culture supports (6) are slidably connected to the opposite support grooves (5);

the pot culture support (6) comprises a placing frame (7), seedling pots (8), a water conveying pipe (9), a dragging rod (10), a water feeding pipe (11) and a first water valve device, wherein a plurality of groups are arranged in the placing frame (7) side by side, the seedling pots (8) are nested in the placing frame (7), the water conveying pipe (9) is arranged on the periphery of the middle of the placing frame (7) in a surrounding mode, the upper end of the water conveying pipe (9) is fixedly connected with the water feeding pipe (11), the top of the water feeding pipe (11) is fixedly connected with the edges of two opposite sides of the placing frame (7), the top of the water feeding pipe (11) is fixedly provided with the first water valve device, the dragging rod (10) is fixedly connected to the lower end of the water conveying pipe (9) on two sides, the dragging rod (10) is connected to the support groove (5) in a sliding mode, one end of the water conveying pipe (9) is fixedly connected with a water receiving pipe (12), the inner side wall of the seedling raising box (1) opposite to the water receiving pipe (12) is fixedly connected with a butt joint pipe (13), a second water valve device is fixedly connected in the butt joint pipe (13), the other end of the butt joint pipe (13) penetrates through the seedling raising box (1) respectively and then is fixedly connected with a water main (14), the other end of the water main (14) is fixedly connected with a water tank (15), and the water tank (15) is fixedly connected to the top end of the seedling raising box (1);

the first water valve device comprises a first water passing plate (16), a connecting pipe (17), a water outlet pipe (18), a first telescopic rod (19), a first spring (20) and a first plugging plate (22), the upper end of the water conveying pipe (11) is fixedly connected with the connecting pipe (17), the connecting pipe (17) is connected in a pipe orifice at the lower end of the water outlet pipe (18) in an inserting manner, the first water passing plate (16) is fixedly connected inside the water conveying pipe (11), the first telescopic rod (19) is fixedly connected in the middle of the upper end of the first water passing plate (16), the first plugging plate (22) is fixedly connected at the top of the first telescopic rod (19), the upper end of the first plugging plate (22) is hermetically connected at a pipe orifice at the lower end of the connecting pipe (17), and the first spring (20) is connected on the first telescopic rod (19) between the first plugging plate (22) and the first water passing plate (16) in a sliding manner, outlet pipe (18) upper end is block structure, and first ejector pin (23) of block structure lower extreme fixedly connected with, first ejector pin (23) lower extreme passes behind connecting pipe (17) with first shutoff board (22) top is contradicted and is connected, fixedly connected with holding down plate (24) on outlet pipe (18) lower extreme lateral wall, outlet pipe (18) upper end lateral wall fixedly connected with shower nozzle (25), shower nozzle (25) downward sloping setting.

2. A seedling raising device for agricultural experiments according to claim 1, characterized in that: a water delivery pump is fixedly arranged in the water tank (15), and the output end of the water delivery pump is connected with a water main (14).

3. A seedling raising device for agricultural experiments according to claim 1, characterized in that: the seedling raising box is characterized in that a drain pipe (26) is fixedly connected to the bottom of the rear end of the seedling raising box (1), and a plurality of supporting legs (27) are fixedly connected to the lower end of the seedling raising box (1).

4. A seedling raising device for agricultural experiments according to claim 1, characterized in that: seedling raising box (1) both sides wall is provided with a plurality of first observation windows (28) respectively, a plurality of second observation windows (29) have been seted up to chamber door (2) lateral wall, chamber door (2) one side through door lock (30) with seedling raising box (1) relatively fixed, fixedly connected with handle (31) on chamber door (2) lateral wall.

5. A seedling raising device for agricultural experiments according to claim 2, characterized in that: the inside top fixedly connected with sun lamp (32) of seedling raising box (1), sun lamp (32) periphery is around being provided with seedling raising lamp (33).

6. A seedling raising device for agricultural experiments according to claim 5, characterized in that: the outer side wall of the box door (2) is fixedly connected with a controller (34), and switches of the water delivery pump, the sun lamp (32) and the seedling growing lamp (33) are connected with the controller (34) through data lines.

7. A seedling raising device for agricultural experiments according to claim 1, characterized in that: the second water valve device comprises a second water passing plate (35), a third water passing plate (36), a second telescopic rod (37), a blocking ring (41), a second blocking plate (39) and a second ejector rod (40), the water receiving pipe (12) is fixedly connected with the second water passing plate (35) in the pipe orifice, the second water passing plate (35) is fixedly connected with the second ejector rod (40) in the middle part, the other end of the second ejector rod (40) is connected with one end of the second blocking plate (39) in a butting mode, the second blocking plate (39) is connected with one side of the blocking ring (41) in a sealing mode with the same side, the blocking ring (41) is fixedly connected in the butt joint pipe (13), the second blocking plate (39) is fixedly connected with the second end of the second telescopic rod (37), the other end of the second telescopic rod (37) is fixedly connected with the middle part of the third water passing plate (36), and the third water passing plate (36) is also fixedly connected in the butt joint pipe (13), and a second spring (42) is connected to a second telescopic rod (37) between the third water passing plate (36) and the plugging plate in a sliding sleeve mode.

8. A seedling raising device for agricultural experiments according to claim 1, characterized in that: the seedling raising pot is characterized in that a notch (43) is oppositely formed in the edge of the upper end of the seedling raising pot (8), the water outlet pipe (18) is arranged in the notch (43), and a water leakage hole is formed in the bottom of the seedling raising pot (8).

9. A seedling raising device for agricultural experiments according to claim 1, characterized in that: respectively fixedly connected with a plurality of fixed blocks (45) on chamber door (2) medial surface, fixed block (45) side is provided with presses briquetting (44), fixed block (45) side fixedly connected with guide arm (46), it is provided with guide hole (47) relatively to press briquetting (44), guide arm (46) sliding connection be in guide hole (47), be provided with a plurality of spread grooves (49) on the opposite face of fixed block (45) and pressure briquetting (44) respectively relatively, third spring (48) both ends are sliding sleeve connection respectively in spread groove (49), press briquetting (44) other end and raceway (9) conflict and be connected.