CN211322282U

CN211322282U - Agricultural is with constant temperature storage device that grows seedlings

Info

Publication number: CN211322282U
Application number: CN201922305380.0U
Authority: CN
Inventors: 陈宏毅
Original assignee: Tianjin Xianshuo Science And Technology Co ltd
Current assignee: Tianjin Xianshuo Science And Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-25
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to the technical field of agricultural production accessories, in particular to an agricultural seedling-raising constant-temperature storage device, which is convenient for quantitatively adding nutrient solution according to the growth condition of seedlings and improves the use reliability; the power distribution box comprises a box body, the nutrient solution preparation box, communicating pipe, the ration standpipe, intercommunication hose and electronic jar, the inside of box is provided with places the chamber, and transversely be provided with the multiunit and place the board placing the intracavity, the top of placing the board is provided with educates seedling tray and installing support, the top of educating seedling tray is provided with the multiunit cave of growing seedlings, the multiunit is violently managed to install the bottom of installing support, and all communicate in the bottom that the multiunit was violently managed and be provided with the multiunit water dropper, the front end of box is provided with gets and puts the mouth, and be provided with the glass door plant getting and putting mouth department, still include the upper seal plate, the lower seal plate, first check valve, the telescopic link.

Description

Agricultural is with constant temperature storage device that grows seedlings

Technical Field

The utility model relates to a technical field of agricultural production auxiliary device especially relates to an agricultural is with constant temperature storage device that grows seedlings.

Background

As is well known, seedling culture refers to the stage of cultivating seedlings in a nursery, a hotbed or a greenhouse for transplanting the seedlings into the ground for planting, and also refers to the stage of artificially protecting various organisms until the organisms can independently survive, because the environment for seedling growth requires a lot, attention needs to be paid to the protection of the seedlings, when the seedlings are transferred and the like, the seedlings need to be placed in a specific storage device, and the environment in the device needs to meet the growth conditions required by the seedlings. The agricultural seedling-raising constant-temperature storage device is an auxiliary device which is used in the agricultural seedling-raising process and provides a suitable growth environment for seedlings, and is widely used in the field of agricultural production.

The utility model discloses a chinese utility model patent that has a patent number CN 209089510U discloses an agricultural is with educating seedling constant temperature storage device, including educating seedling tray and hickey, educate seedling tray inside and be provided with the cave of growing seedlings through inlaying, and grow seedlings the cave bottom and be provided with the bottom plate, hickey sets up in the bottom plate front end, and the hickey outside is provided with fixed knob, educate seedling tray below outside and be provided with the tray, and educate seedling tray left side and be provided with the pipeline, the pipeline below is provided with water drainage tank, and the water drainage tank outside is provided with the box, the inside heating pipe that is provided with in box below, and the box rear is provided with. This agricultural is with constant temperature storage device that grows seedlings is provided with the fixed knot who grows seedlings cave and grow seedlings the dish and constitute, and it is total two-layer to grow seedlings the dish, and at high-rise visible sunlight, be suitable for to cultivate and need irradiant crop, and the illumination at the bottom is not enough, is suitable for to cultivate and need not irradiant crop, make full use of limited space, the plant seedling of storage more variety is provided with the movable structure that fixed knob, hickey and bottom plate constitute.

However, the existing seedling raising and storing device generally has the condition that the nutrient solution is inconvenient to quantitatively add according to the growth condition of the seedlings, so that the use reliability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a convenient growth condition according to the seedling carries out the ration to it and adds the nutrient solution, improves the agricultural of using the reliability with constant temperature storage device that grows seedlings.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a constant-temperature agricultural seedling storage device comprises a box body, a nutrient solution preparation box, a communication pipe, a quantitative vertical pipe, a communication hose and an electric cylinder, wherein a placing cavity is formed in the box body, a plurality of groups of placing plates are transversely arranged in the placing cavity, a seedling raising tray and a mounting support are arranged at the top end of each placing plate, a plurality of groups of seedling raising holes are formed in the top end of the seedling raising tray, a plurality of groups of transverse pipes are mounted at the bottom end of the mounting support, a plurality of groups of drippers are respectively arranged at the bottom ends of the plurality of groups of transverse pipes in a communicated manner, a taking and placing opening is formed in the front end of the box body, a glass door plate is arranged at the taking and placing opening, the nutrient solution preparation box is mounted at the top end of the box body, the quantitative vertical pipe is mounted at the top of the left end of the box body, an upper sealing plate, one end of the communicating pipe is communicated with the bottom of the left end of the nutrient solution preparation box, the other end of the communicating pipe penetrates through the lower sealing plate from the bottom end of the lower sealing plate and extends into the quantitative vertical pipe, a first one-way valve is arranged on the communicating pipe, the electric cylinder is installed at the top end of the upper sealing plate and is provided with a variable frequency servo motor, the output end of the bottom of the electric cylinder is provided with a telescopic rod, the bottom end of the telescopic rod penetrates through the upper sealing plate from the top end of the upper sealing plate and extends into the quantitative vertical pipe, a sealing plug is installed at the bottom end of the telescopic rod, the outer side of the sealing plug is tightly attached to the inner side wall of the quantitative vertical pipe, one end of the communicating hose penetrates through the lower sealing plate from the bottom end of the lower sealing plate and extends into the quantitative vertical pipe, the other end of the communicating hose extends into, the side wall of the quantitative vertical pipe is provided with liquid level scale marks.

Preferably, the mounting bracket comprises a left support plate, a right support plate, four groups of support rods and a mounting plate, wherein the left front end, the right front end, the left rear end and the right rear end of the mounting plate are respectively provided with through holes which are communicated up and down, the bottoms of the four groups of support rods are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the placing plate, the tops of the four groups of support rods respectively penetrate through the four groups of through holes to the upper part of the mounting plate from the bottom end of the mounting plate, the bottoms of the left support plate and the right support plate are respectively fixedly connected with the left side and the right side of the top end of the placing plate, the right side of the left support plate and the left side of the right support plate are respectively provided with vertical sliding grooves, the side walls of the two groups of sliding grooves are respectively provided with vertical limiting grooves, a first inverted tooth structure is arranged in, and the outside at two sets of sliders all is provided with the second pawl structure, the mutual interlock of second pawl structure and first pawl structure all is provided with the resilient means that supports the second pawl structure in the inside of two sets of sliders.

Preferably, the resilient means is including adjusting post and supporting spring, the outside of slider is provided with the circular recess, it all is located the circular recess to adjust post and supporting spring to supporting spring's one end and one side that the notch was kept away from to the circular recess are connected, and supporting spring's the other end and regulation post are connected, the second tooth structure of falling set up in on the lateral wall of regulation post, the top of two sets of sliders all be provided with the communicating regulation hole of circular recess, the top of adjusting the post is provided with the regulation pole, the top of adjusting the pole passes the top of regulation hole to slider.

Preferably, the left side and the right side on mounting panel top all are provided with the dead lever, two sets of dead levers are located the inboard of two sets of regulation poles respectively.

Preferably, the bottom of mounting panel is provided with the LED light, the LED light sets up with the horizontal pole interval.

Preferably, the top of placing the board is provided with the constant head tank of fixing a position seedling tray, seedling tray is located in the constant head tank.

Preferably, the left end bottom and the right end top of the box body are respectively provided with an air inlet pipe and an exhaust pipe, a protective net is arranged at the air inlet pipe, and an exhaust fan is arranged at the exhaust pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides an agricultural is with constant temperature storage device that grows seedlings possesses following beneficial effect:

the agricultural seedling raising constant-temperature storage device is characterized in that a nutrient solution preparation box is used for preparing corresponding nutrient solution, the nutrient solution enters a quantitative vertical pipe through a communicating pipe, the electric cylinder drives the telescopic rod and the sealing plug to move downwards, the sealing plug pushes nutrient solution in the quantitative vertical pipe into the plurality of groups of transverse pipes through the communicating hose and the nutrient solution is dripped out from the drippers to provide nutrient solution for seedlings in the seedling raising holes, the electric cylinder is provided with a variable frequency servo motor which can adjust the moving speed of the telescopic rod, thereby adjusting the conveying time of the nutrient solution in the quantitative standpipe, conveniently and quantitatively adding the nutrient solution according to the growth condition of the seedlings, improving the use reliability, preventing the nutrient solution from flowing back to the nutrient solution preparation box through the one-way valve, when the sealing plug moves upwards, the nutrient solution in the nutrient solution preparation box is pumped into the quantitative standpipe, the volume of the nutrient solution in the quantitative vertical pipe can be checked through the liquid level scale marks on the quantitative vertical pipe.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;

fig. 3 is a schematic view of the present invention at a portion B of fig. 1;

fig. 4 is a schematic view of the present invention at a portion C in fig. 1;

fig. 5 is a schematic perspective view of the placement board of the present invention;

in the drawings, the reference numbers: 1. a box body; 2. a nutrient solution preparation box; 3. a communicating pipe; 4. a quantitative standpipe; 5. a communication hose; 6. an electric cylinder; 7. placing the plate; 8. a seedling raising plate; 9. seedling raising holes; 10. a transverse tube; 11. a dripper; 12. an upper sealing plate; 13. a lower sealing plate; 14. an exhaust hole; 15. a first check valve; 16. a telescopic rod; 17. a sealing plug; 18. a second one-way valve; 19. liquid level scale marks; 20. a left support plate; 21. a right support plate; 22. a strut; 23. mounting a plate; 24. a chute; 25. a limiting groove; 26. a first pawl structure; 27. a slider; 28. a second inverted tooth structure; 29. an adjustment column; 30. a support spring; 31. a circular groove; 32. an adjustment hole; 33. adjusting a rod; 34. fixing the rod; 35. an LED lighting lamp; 36. positioning a groove; 37. a protective net; 38. an exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an agricultural seedling constant temperature storage device comprises a box body 1, a nutrient solution preparation box 2, a communicating pipe 3, a quantitative vertical pipe 4, a communicating hose 5 and an electric cylinder 6, wherein a placing cavity is arranged inside the box body 1, a plurality of groups of placing plates 7 are transversely arranged in the placing cavity, a seedling tray 8 and a mounting bracket are arranged at the top end of each placing plate 7, a plurality of groups of seedling raising holes 9 are arranged at the top end of each seedling raising tray 8, a plurality of groups of transverse pipes 10 are arranged at the bottom end of the mounting bracket, a plurality of groups of drippers 11 are respectively arranged at the bottom ends of the plurality of groups of transverse pipes 10 in a communicating manner, a taking and placing opening is arranged at the front end of the box body 1, a glass door plate is arranged at the taking and placing opening, the nutrient solution preparation box 2 is arranged at the top end of the box body 1, the quantitative vertical pipe 4 is, an upper sealing plate 12 and a lower sealing plate 13 are respectively arranged at the top end and the bottom end of the quantitative vertical tube 4, an exhaust hole 14 is arranged on the upper sealing plate 12, one end of the communicating tube 3 is communicated with the bottom of the left end of the nutrient solution preparation box 2, the other end of the communicating tube 3 penetrates through the lower sealing plate 13 from the bottom end of the lower sealing plate 13 and extends into the quantitative vertical tube 4, a first one-way valve 15 is arranged on the communicating tube 3, the electric cylinder 6 is arranged at the top end of the upper sealing plate 12, the electric cylinder 6 is provided with a variable frequency servo motor, a telescopic rod 16 is arranged at the output end of the bottom of the electric cylinder 6, the bottom end of the telescopic rod 16 penetrates through the upper sealing plate 12 from the top end of the upper sealing plate 12 and extends into the quantitative vertical tube 4, a sealing plug 17 is arranged at the bottom end of the telescopic rod 16, the outer side of the sealing plug 17 is tightly attached to the inner side wall of, the other end of the communicating hose 5 extends into the placing cavity and is communicated with the input ends of the multiple groups of transverse pipes 10, a second one-way valve 18 is arranged on the communicating hose 5, liquid level scale marks 19 are arranged on the side wall of the quantitative vertical pipe 4, the nutrient solution preparing box 2 prepares corresponding nutrient solution, the nutrient solution enters the quantitative vertical pipe 4 through the communicating pipe 3, the telescopic rod 16 and the sealing plug 17 are driven by the electric cylinder 6 to move downwards, the nutrient solution in the quantitative vertical pipe 4 is pushed into the multiple groups of transverse pipes 10 through the communicating hose 5 and drips from the drippers 11 through the sealing plug 17, the nutrient solution is provided for seedlings in the seedling growing holes 9, the electric cylinder 6 is provided with a variable frequency servo motor, the moving speed of the telescopic rod 16 can be adjusted, the conveying time of the nutrient solution in the quantitative vertical pipe 4 is adjusted, the nutrient solution is conveniently and quantitatively added according to the growth condition of the seedlings, improve and use the reliability, prevent through the check valve that the nutrient solution from flowing back to nutrient solution and prepare case 2, when sealing plug 17 upwards removed, the nutrient solution in the nutrient solution prepared case 2 was pumped to quantitative standpipe 4 in, can look over the nutrient solution capacity in the quantitative standpipe 4 through the liquid level scale mark 19 on the quantitative standpipe 4.

The mounting bracket comprises a left support plate 20, a right support plate 21, four groups of support rods 22 and a mounting plate 23, wherein the left front end, the right front end, the left rear end and the right rear end of the mounting plate 23 are respectively provided with a through hole which is communicated up and down, the bottom ends of the four groups of support rods 22 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the placing plate 7, the top ends of the four groups of support rods 22 respectively penetrate through the four groups of through holes from the bottom end of the mounting plate 23 to the upper part of the mounting plate 23, the bottom ends of the left support plate 20 and the right support plate 21 are respectively fixedly connected with the left side and the right side of the top end of the placing plate 7, the right side of the left support plate 20 and the left side of the right support plate 21 are respectively provided with a vertical sliding groove 24, the side walls of the two groups of sliding grooves 24 are respectively provided with a, the two groups of sliding blocks 27 are respectively arranged in the two groups of sliding grooves 24 in a sliding manner, second inverted tooth structures 28 are respectively arranged on the outer sides of the two groups of sliding blocks 27, the second inverted tooth structures 28 are mutually meshed with the first inverted tooth structures 26, and elastic devices for supporting the second inverted tooth structures 28 are respectively arranged in the two groups of sliding blocks 27; the mounting plate 23 is supported by the mutual occlusion of the first inverted tooth structure 26 and the second inverted tooth structure 28, the mounting plate 23 is stabilized by the four groups of supporting rods 22, and the height of the mounting plate 23 can be adjusted along with the growth of seedlings.

The elastic device comprises an adjusting column 29 and a supporting spring 30, a circular groove 31 is arranged on the outer side of the sliding block 27, the adjusting column 29 and the supporting spring 30 are both positioned in the circular groove 31, one end of the supporting spring 30 is connected with one side, far away from the notch, of the circular groove 31, the other end of the supporting spring 30 is connected with the adjusting column 29, the second inverted tooth structure 28 is arranged on the outer side wall of the adjusting column 29, adjusting holes 32 communicated with the circular groove 31 are formed in the top ends of the two groups of sliding blocks 27, an adjusting rod 33 is arranged at the top end of the adjusting column 29, the top end of the adjusting rod 33 penetrates through the adjusting holes 32 to be above the sliding block 27, fixing rods 34 are arranged on the left side and the right side of the top end of the mounting plate 23, the two groups of fixing rods 34 are respectively positioned on the inner sides of the two groups of adjusting rods 33, the two groups of fixing rods, two sets of regulation poles 33 drive two sets of regulation posts 29 and remove to make second pawl structure 28 and first pawl structure 26 separation, can adjust from top to bottom mounting panel 23, loosen both hands after adjusting, make second pawl structure 28 continue with first pawl structure 26 interlock under the effect of supporting spring 30 elasticity, make mounting panel 23 fixed, the operation of being convenient for improves and uses the reliability.

The bottom end of the mounting plate 23 is provided with an LED illuminating lamp 35, and the LED illuminating lamp 35 and the cross rod are arranged at intervals; the LED illuminating lamp 35 can provide illumination for the seedlings according to the requirements of the seedlings.

A positioning groove 36 for positioning the seedling raising tray 8 is formed in the top end of the placing plate 7, and the seedling raising tray 8 is located in the positioning groove 36; the seedling raising plate 8 is positioned by the positioning groove 36, so that the seedling raising holes 9 of the seedling raising plate 8 can be just positioned under the drippers 11.

An air inlet pipe and an air outlet pipe are respectively arranged at the bottom of the left end and the top of the right end of the box body 1, a protective net 37 is arranged at the air inlet pipe, and an air outlet fan 38 is arranged at the air outlet pipe; can change the gas of placing the intracavity through exhaust fan 38, the heat that the light gived off can improve the temperature of placing the intracavity, can play the function of adjusting the temperature simultaneously.

When using, corresponding nutrient solution is prepared to nutrient solution preparation case 2, nutrient solution gets into quantitative standpipe 4 through communicating pipe 3 in, move down through electronic jar 6 drive telescopic link 16 and sealing plug 17, through sealing plug 17 with the nutrient solution in the quantitative standpipe 4 through the propelling movement of intercommunication hose 5 to multiunit violently pipe 10 in and from dripper 11, provide nutrient solution for the seedling in the cave 9 of growing seedlings, electronic jar 6 is equipped with frequency conversion servo motor, can adjust the moving speed of telescopic link 16, thereby adjust the transport time of nutrient solution in quantitative standpipe 4, conveniently carry out the ration to it according to the growth condition of seedling and add nutrient solution, improve the reliability of use, prevent through the check valve that nutrient solution from flowing back nutrient solution preparation case 2, when 17 upwards moves, the nutrient solution in the nutrient solution preparation case 2 is pumped to in the quantitative standpipe 4, can look into the nutrient solution capacity in the quantitative standpipe 4 through liquid level scale mark 19 on the standpipe 4 The thumb of the two hands respectively hooks the two groups of fixed rods 34, the forefinger of the two hands respectively pulls the two groups of adjusting rods 33, the two groups of adjusting rods 33 drive the two groups of adjusting columns 29 to move, thereby separating the second inverted tooth structure 28 from the first inverted tooth structure 26, adjusting the mounting plate 23 up and down, releasing the two hands after adjustment, the second inverted tooth structure 28 is continuously meshed with the first inverted tooth structure 26 under the action of the elastic force of the supporting spring 30, so that the mounting plate 23 is fixed, the height of the mounting plate 23 can be adjusted along with the growth of seedlings, the operation is convenient, the use reliability is improved, the LED illuminating lamp 35 can provide illumination for the seedlings according to the requirements of the seedlings, the heat emitted by the illuminating lamp can improve the temperature in the placing cavity, the exhaust fan 38 can replace the air in the placing chamber and also can adjust the temperature.

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

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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

Claims

1. The agricultural seedling constant-temperature storage device is characterized by comprising a box body (1), a nutrient solution preparation box (2), a communicating pipe (3), a quantitative vertical pipe (4), a communicating hose (5) and an electric cylinder (6), wherein a placing cavity is formed in the box body (1), a plurality of groups of placing plates (7) are transversely arranged in the placing cavity, a seedling tray (8) and a mounting bracket are arranged at the top end of each placing plate (7), a plurality of groups of seedling growing holes (9) are formed in the top end of each seedling tray (8), a plurality of groups of transverse pipes (10) are arranged at the bottom end of each mounting bracket, a plurality of groups of drippers (11) are respectively arranged right above the plurality of groups of seedling growing holes (9), a taking and placing opening is formed in the front end of the box body (1), and a glass door plate is arranged at the taking and placing opening, the nutrient solution preparation box (2) is installed on the top end of the box body (1), the quantitative vertical pipe (4) is installed on the top of the left end of the box body (1), an upper sealing plate (12) and a lower sealing plate (13) are respectively arranged at the top end and the bottom end of the quantitative vertical pipe (4), an exhaust hole (14) is formed in the upper sealing plate (12), one end of the communication pipe (3) is communicated with the bottom of the left end of the nutrient solution preparation box (2), the other end of the communication pipe (3) penetrates through the lower sealing plate (13) from the bottom end of the lower sealing plate (13) and extends into the quantitative vertical pipe (4), a first one-way valve (15) is arranged on the communication pipe (3), the electric cylinder (6) is installed on the top end of the upper sealing plate (12), the electric cylinder (6) is provided with a variable-frequency servo motor, an expansion rod (16) is arranged at the bottom output end of the electric cylinder (6), and the bottom end of the expansion rod (16) penetrates through In standpipe (4), and install sealing plug (17) in the bottom of telescopic link (16), the outside of sealing plug (17) is pasted tightly with the inside wall of ration standpipe (4), the one end of intercommunication hose (5) passes down sealing plate (13) from the bottom of lower sealing plate (13) and stretches into in ration standpipe (4), and the other end of intercommunication hose (5) stretches into to placing the intracavity and all communicates with the input of the horizontal pipe (10) of multiunit to be provided with second check valve (18) on intercommunication hose (5), be provided with liquid level scale mark (19) on the lateral wall of ration standpipe (4).

2. The agricultural seedling raising constant temperature storage device according to claim 1, wherein the mounting bracket comprises a left support plate (20), a right support plate (21), four groups of support rods (22) and a mounting plate (23), the left front end, the right front end, the left rear end and the right rear end of the mounting plate (23) are respectively provided with through holes which are vertically penetrated, the bottom ends of the four groups of support rods (22) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the placing plate (7), the top ends of the four groups of support rods (22) respectively penetrate through the four groups of through holes from the bottom end of the mounting plate (23) to the upper part of the mounting plate (23), the bottom ends of the left support plate (20) and the right support plate (21) are respectively fixedly connected with the left side and the right side of the top end of the placing plate (7), and the right side of the left support plate (20) and the left side of the right support, and all be provided with spacing groove (25) of vertical direction on the lateral wall of two sets of spout (24), be provided with first pawl structure (26) in spacing groove (25), the left end and the right-hand member of mounting panel (23) all are provided with slider (27), and are two sets of slider (27) slide respectively and set up in two sets of spout (24) to all be provided with second pawl structure (28) in the outside of two sets of slider (27), second pawl structure (28) and first pawl structure (26) interlock each other, the inside of two sets of slider (27) all is provided with carries out the resilient means that supports second pawl structure (28).

3. An agricultural seedling raising constant temperature storage device according to claim 2, the elastic device comprises an adjusting column (29) and a supporting spring (30), a circular groove (31) is arranged on the outer side of the sliding block (27), the adjusting column (29) and the supporting spring (30) are both positioned in the circular groove (31), one end of the supporting spring (30) is connected with one side of the circular groove (31) far away from the notch, the other end of the supporting spring (30) is connected with the adjusting column (29), the second inverted tooth structure (28) is arranged on the outer side wall of the adjusting column (29), adjusting holes (32) communicated with the circular groove (31) are arranged at the top ends of the two groups of sliding blocks (27), the top end of the adjusting column (29) is provided with an adjusting rod (33), and the top end of the adjusting rod (33) penetrates through the adjusting hole (32) to the position above the sliding block (27).

4. An agricultural seedling raising constant temperature storage device according to claim 3, wherein the mounting plate (23) is provided with fixing rods (34) at the left side and the right side of the top end, and the two groups of fixing rods (34) are respectively positioned at the inner sides of the two groups of adjusting rods (33).

5. An agricultural seedling raising constant temperature storage device according to claim 4, wherein an LED illuminating lamp (35) is arranged at the bottom end of the mounting plate (23), and the LED illuminating lamp (35) is arranged at a distance from the cross rod.

6. An agricultural seedling raising constant temperature storage device according to claim 5, wherein a positioning groove (36) for positioning a seedling raising tray (8) is formed at the top end of the placing plate (7), and the seedling raising tray (8) is positioned in the positioning groove (36).

7. An agricultural seedling raising constant temperature storage device according to claim 6, wherein the top of the left end bottom and the right end of the box body (1) are respectively provided with an air inlet pipe and an air outlet pipe, a protective net (37) is arranged at the air inlet pipe, and an exhaust fan (38) is arranged at the air outlet pipe.