CN214508349U

CN214508349U - Planting greenhouse

Info

Publication number: CN214508349U
Application number: CN202120364438.3U
Authority: CN
Inventors: 苏远文; 苏伟强; 钱小元; 陈运停
Original assignee: Huizhou Huayang Blueberry Industry Co ltd
Current assignee: Huizhou Huayang Blueberry Industry Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-29
Anticipated expiration: 2031-02-07

Abstract

The application provides a plant big-arch shelter. Foretell planting big-arch shelter includes support frame and tectorial membrane layer, make the tectorial membrane layer be located the support frame, plant the big-arch shelter still including receiving and releasing piece and actuating mechanism, receive and release piece and actuating mechanism all set up on the support frame, receiving and releasing piece sets up the accepting groove and the intercommunicating pore that are linked together, actuating mechanism includes the driving piece, lead screw and nut, the one end of tectorial membrane layer is fixed in the inner wall of accepting groove, the accepting groove is used for accepting the tectorial membrane layer, the output that makes the driving piece is connected with the one end of lead screw, the other end of lead screw rotates and connects in the support frame, make the lead screw wear to locate the intercommunicating pore, the nut cover is located on the lead screw and with the lead screw spiro union, and the nut is connected with the other end of tectorial membrane layer, make planting big-arch shelter open and close film overall structure simple, the automation of controlling airtight film has been realized, manual the uncapping of having avoided, more do benefit to saving the cost of labor, reduce planting cost.

Description

Planting greenhouse

Technical Field

The utility model relates to an agricultural planting technical field especially relates to a planting big-arch shelter.

Background

In order to reduce the damage of rainwater to crops, the traditional planting greenhouse usually adopts the airtight film material in top layer, when running into rainy weather, with the airtight film lid in top layer realize the isolation to the rainwater promptly on the planting support frame of building in advance, avoided rainwater to the direct washout of crops and make crops appear that the sapling root system is destroyed or the fruit of crops problem that drops.

However, rainwater has many elements required by crops, such as nitrogen fertilizer, and rainwater can wash off dust on blades of crops, so that gas exchange between the blades and air is more rapid, growth of crops is facilitated, if rainwater is directly isolated, the crops lack nutrition of rainwater, more fertilizers and moisture need to be applied to the crops, planting cost is increased, and a closed film on a traditional planting support frame needs to be manually covered by a planting person to be achieved, and the manual operation mode is quite inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's weak point, providing an automatic film that opens and shuts, more do benefit to and save the cost of labor for the planting big-arch shelter that planting cost is low.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a plant big-arch shelter, includes support frame and tectorial membrane layer, the tectorial membrane layer is located on the support frame, plant the big-arch shelter and include:

the retractable part is arranged on the support frame and is provided with an accommodating groove and a communicating hole which are communicated, one end of the film coating layer is fixed on the inner wall of the accommodating groove, and the accommodating groove is used for accommodating the film coating layer;

actuating mechanism, actuating mechanism includes driving piece, lead screw and nut, the driving piece is located on the support frame, the output of driving piece with the one end of lead screw is connected, the other end of lead screw rotate connect in the support frame, the lead screw is worn to locate the intercommunicating pore, the nut cover is located on the lead screw and with the lead screw spiro union, just the nut with the other end on tectorial membrane layer is connected.

In one embodiment, the planting greenhouse further comprises a connecting piece, wherein a clamping hook is convexly arranged on the connecting piece, and the connecting piece is connected with the film covering layer;

the connecting part is provided with a clamping groove, and the clamping hook is clamped in the clamping groove.

In one embodiment, the support frame comprises a support frame main body and a fixing piece which are connected, the fixing piece is provided with an accommodating cavity communicated with the communicating hole, the driving piece is located in the accommodating cavity and connected with the fixing piece, the retractable piece is arranged on the support frame main body, and the other end of the screw rod is rotatably connected with the support frame main body.

In one embodiment, the planting greenhouse further comprises a connecting slide rod and a sliding part, the sliding part is sleeved on the connecting slide rod and is in sliding connection with the connecting slide rod, two ends of the connecting slide rod are respectively connected with the folding and unfolding part and the support, the connecting slide rod is arranged in parallel with the screw rod, and the sliding part is connected with the film covering layer.

In one embodiment, the sliding member includes a sliding member main body and a protruding portion, and the sliding member main body is sleeved on the connecting sliding rod and is slidably connected with the connecting sliding rod;

in one embodiment, the protrusion is connected to the film covering layer.

In one embodiment, the nut is coupled to the slider body.

In one embodiment, the coating layer includes a coating layer main body and a winding guide line, two ends of the winding guide line are respectively connected with the holder and an inner wall of the receiving groove, the receiving groove is used for receiving the coating layer main body, the coating layer main body is provided with a plurality of guide holes, and the winding guide line is respectively arranged in the guide holes in a penetrating manner.

In one embodiment, a plurality of the guide holes are distributed at intervals along the direction parallel to the sliding direction of the nut.

In one embodiment, a first limiting part is arranged at one end part, far away from the retractable part, of the screw rod.

In one embodiment, the driving member comprises a servo motor and a coupling member, and the screw rod is connected to a power shaft of the servo motor through the coupling member.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model discloses a planting greenhouse, which comprises a supporting frame and a film covering layer, wherein the film covering layer is arranged on the supporting frame, the planting greenhouse also comprises a retractable part and a driving mechanism, the retractable part and the driving mechanism are arranged on the supporting frame, the retractable part is provided with a holding groove and a communicating hole which are communicated, the driving mechanism comprises a driving part, a screw rod and a nut, one end of the film covering layer is fixed on the inner wall of the holding groove, the holding groove is used for holding the film covering layer, the output end of the driving part is connected with one end of the screw rod, the other end of the screw rod is rotatably connected with the supporting frame, the screw rod is arranged through the communicating hole, the nut is sleeved on the screw rod and is in threaded connection with the screw rod, and the nut is connected with the other end of the film covering layer, so that the whole structure of the opening and closing film of the planting greenhouse is simple, the automatic opening and closing of the airtight film is controlled, manual cover removing is avoided, the labor cost is saved, and the planting cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a planting greenhouse in one embodiment;

FIG. 2 is a disassembled schematic view of the planting greenhouse shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of another perspective of the screw rod of the planting greenhouse shown in FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view, partially in section, of another perspective of the connecting slide bar in the planting greenhouse shown in FIG. 1;

FIG. 6 is an enlarged view of a portion of the portion B shown in FIG. 5;

fig. 7 is a partially enlarged schematic view of fig. 3.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model relates to a plant big-arch shelter, including support frame and tectorial membrane layer, the tectorial membrane layer is located on the support frame, plant the big-arch shelter still including receiving and releasing piece and actuating mechanism. The retractable part is arranged on the support frame, the retractable part is provided with an accommodating groove and a communicating hole which are communicated, one end of the film coating layer is fixed on the inner wall of the accommodating groove, and the accommodating groove is used for accommodating the film coating layer; the driving mechanism comprises a driving piece, a lead screw and a nut, the driving piece is arranged on the support frame, the output end of the driving piece is connected with one end of the lead screw, the other end of the lead screw is rotatably connected with the support frame, the lead screw penetrates through the communication hole, the nut sleeve is arranged on the lead screw and is in threaded connection with the lead screw, and the nut is connected with the other end of the laminating layer.

Foretell planting big-arch shelter includes support frame and tectorial membrane layer, make the tectorial membrane layer be located the support frame, and plant the big-arch shelter still including receiving and releasing piece and actuating mechanism, receive and release piece and actuating mechanism all set up on the support frame, the accepting groove and the intercommunicating pore that are linked together are seted up to receiving and releasing piece, make the one end of tectorial membrane layer be fixed in the inner wall of accepting groove, make the tectorial membrane layer holding in the accepting groove, furtherly, actuating mechanism includes the driving piece, lead screw and nut, the one end of lead screw is connected with the output of driving piece, the other end rotates and connects in the support frame, and the intercommunicating pore is worn to locate by the lead screw, the nut cover is located on the lead screw and with the lead screw spiro union, and the nut is connected with the other end of tectorial membrane layer, make planting big-arch shelter tectorial membrane layer open and shut simple structure, the manual cover that has been avoided closing, more do benefit to saving the cost of labor, reduce planting cost.

Referring to fig. 1 and fig. 2 together, in order to better understand the planting greenhouse 10 of the present application, the following further explains the planting greenhouse 10 of the present application, in which the planting greenhouse 10 of an embodiment includes a support frame 100 and a film layer 200, the film layer 200 is located on the support frame 100, and the planting greenhouse 10 further includes a storage element 300 and a driving mechanism 400. The retractable member 300 is disposed on the supporting frame 100, the retractable member 300 is provided with a receiving groove 310 and a communicating hole 320 which are communicated, one end of the coating layer 200 is fixed on the inner wall of the receiving groove 310, and the receiving groove 310 is used for receiving the coating layer 200; the driving mechanism 400 includes a driving member 410, a screw rod 420, and a nut 430, the driving member 410 is disposed on the support frame 100, an output end of the driving member 410 is connected to one end of the screw rod 420, the other end of the screw rod 420 is rotatably connected to the support frame 100, the screw rod 420 is disposed through the communication hole 320, the nut 430 is sleeved on the screw rod 420 and is in threaded connection with the screw rod 420, and the nut 430 is connected to the other end of the film coating layer 200.

In the present embodiment, the driving member 410 drives the screw rod 420 to rotate in a forward direction or a reverse direction. When the driving member 410 drives the screw rod 420 to rotate in the positive direction, the screw rod 420 drives the nut 430 to move in the direction close to the driving member 410, so that the nut 430 drives the film-coating layer 200 to move in the receiving slot 310 until the film-coating layer 200 is received in the receiving slot 310, and at this time, the greenhouse 10 is in a closed state. On the contrary, when the driving member 410 drives the screw rod 420 to rotate in the opposite direction, the screw rod 420 drives the nut 430 to move in the direction away from the driving member 410, so that the nut 430 drives the film-coated layer 200 to move towards the inside of the receiving slot 310 until the film-coated layer 200 is opened to the predetermined position, and at this time, the greenhouse 10 is in an open state. It will be appreciated that in use, the time for which the drive 410 drives the screw 420 to rotate in the opposite direction is controlled as required to control the different predetermined positions at which the layers 200 are stretched, i.e. to control the different degrees of stretching of the layers 200.

The planting greenhouse 10 comprises a support frame 100 and a film layer 200, the film layer 200 is positioned on the support frame 100, the planting greenhouse 10 further comprises a retractable member 300 and a driving mechanism 400, the retractable member 300 and the driving mechanism 400 are both arranged on the support frame 100, the driving mechanism 400 comprises a driving member 410, a screw rod 420 and a nut 430, the retractable member 300 is provided with an accommodating groove 310 and a communicating hole 320 which are communicated, the film layer 200 is arranged in the accommodating groove 310, furthermore, one end of the screw rod 420 is connected with the output end of the driving member 410, the other end of the screw rod 420 is rotatably connected to the support frame 100, so that the overall structure of the film opening and closing of the planting greenhouse 10 is simple, the screw rod 420 is arranged in the communicating hole 320 in a penetrating manner, the nut 430 is sleeved on the screw rod 420 and screwed on the screw rod 420, in this way, one end of the film layer 200 is fixed on the inner wall of the accommodating groove 310, the other end of the film layer 200 is connected with the nut 430, and automatic opening and closing of the closed film is realized, the cover is prevented from being manually removed, the labor cost is greatly reduced, and the planting cost is saved.

Referring to fig. 2, further, the retractable member 300 is an arc-shaped box body with a receiving groove 310, so that the film layer 200 can be better received in the retractable member 300, and meanwhile, one end of the film layer 200 is fixed in the receiving groove 310 and connected with the retractable member 300, so that in the stretching process of the film layer 200, the structural integrity of the film layer 200 is ensured, and meanwhile, the film layer 200 of the planting greenhouse 10 can be stably and automatically opened and closed.

Referring to fig. 2 to 4, in order to further enhance the stability of the automatic opening and closing of the film-covered layer 200, in one embodiment, the planting greenhouse 10 further includes a connecting member 500, the connecting member 500 is connected to the film-covered layer 200 and has a protruding hook 510, the nut 430 has a protruding connecting portion 431, the connecting portion 431 has a slot 4311, the hook 510 is clamped in the slot 4311, so as to achieve the quick assembly and disassembly between the connecting member 500 and the nut 430, and simultaneously, the film-covered layer 200 is connected to the nut 430 through the connecting member 500, specifically, the nut 430 is screwed to the screw rod 420, and the hook 510 is clamped to the connecting portion 431 of the nut 430, so that the nut 510 is stably clamped in the slot 4311 of the connecting portion 431, and thus the nut 430 drives the film-covered layer 200 to automatically open and close through the connecting member 500, and manual uncovering and closing are avoided. In addition, when the film coating layer 200 is maintained or replaced, the hook 510 and the slot 4311 are pressed to separate, so that the hook 510 and the connecting portion 431 are separated, the nut 430 does not need to be dismounted, the maintenance or replacement difficulty of the film coating layer 200 is greatly reduced, and the use convenience of the planting greenhouse 10 is improved.

Referring to fig. 1 and 2, in one embodiment, the support 100 includes a support body 110 and a fixing element 120 connected to each other, the fixing element 120 is provided with a receiving cavity 121 communicated with the communicating hole 320, a driving element 410 is located in the receiving cavity 121 and connected to the fixing element 120, a retractable element 300 is disposed on the support body 110, the other end of a screw rod 420 is rotatably connected to the support body 110, in this embodiment, the fixing member 120 is provided with a receiving cavity 121 communicated with the communication hole 320, the driving member 410 is located in the receiving cavity 121 and connected to the fixing member 120, thus, the driving member 410 is prevented from being corroded and damaged by the environment, the stability of the driving device is ensured, meanwhile, the screw rod 420 penetrates through the communication hole 320 to be connected with the driving member 410, so that the connection end of the driving member 410 and the screw rod 420 is prevented from being exposed to the outside, meanwhile, the driving piece 410 is ensured to drive the screw rod 420 and the nut 430 to rotate, and the effect of automatically opening and closing the film coating layer 200 of the planting greenhouse 10 is achieved.

Referring to fig. 2 and 5, in one embodiment, the planting greenhouse 10 further includes a connecting slide bar 600 and a sliding member 700, the sliding member 700 is sleeved on the connecting slide bar 600 and is slidably connected with the connecting slide bar 600, two ends of the connecting slide bar 600 are respectively connected with the retractable member 300 and the support frame 100, the connecting slide bar 600 is parallel to the screw rod 420, and the sliding member 700 is connected with the film covering layer 200. In this embodiment, the connecting slide bar 600 and the lead screw 420 are arranged in parallel, so that the sliding direction of the slider 700 relative to the connecting slide bar 600 is the same as the direction in which the nut 430 drives the coating layer 200 to retract and release, and because the slider 700 is connected with the coating layer 200, the slider 700 supports and guides the coating layer 200 to move relative to the frame, thereby ensuring the stability of opening and closing the coating layer 200, and enabling the slider 700 and the nut 430 to pull the coating layer 200 to move relative to the frame together, so that the opening and closing process of the coating layer 200 is more efficient and stable.

Referring to fig. 5 and 6, in one embodiment, the slider 700 includes a slider body 710 and a protrusion 720, the slider body 710 is sleeved on the connecting slide bar 600 and slidably connected to the connecting slide bar 600, in the embodiment, the cross section of the slider body 710 is circular, and the slider body 710 is sleeved on the connecting slide bar 600 and slidably connected to the connecting slide bar 600, so as to improve the automatic opening and closing rate of the sealing film, and make the automatic opening and closing of the sealing film more efficient.

Further, the boss 720 is connected to the coating layer 200. In the automatic in-process that opens and shuts in laminating layer 200, bellying 720 is connected in laminating layer 200, makes laminating layer 200 closed more high-efficient, and then has avoided artifical manual closure, has saved the cost of labor.

Furthermore, the nut 430 is connected with the slider body 710, so that the driving member 410 drives the lead screw 420 to drive the nut 430 to be screwed and slide, and further the nut 430 and the slider 700 slide synchronously, and further the nut 430 and the slider drive the film coating layer 200 to keep consistent with each other relative to the movement speed of the frame, thereby improving the opening and closing speed and the folding and unfolding flatness of the film coating layer 200. In this embodiment, the number of the connecting slide bars 600 and the number of the sliding members are two, the two connecting slide bars 600 are oppositely disposed at two sides of the screw rod 420, the two sliding members 700 are respectively sleeved on the two connecting slide bars 600, and two sides of the nut 430 are respectively connected with the two sliding members 700, so that the automatic opening and closing process of the film coating layer 200 is more stable and efficient.

Referring to fig. 3, 4 and 7, in one embodiment, the coating layer 200 includes a coating layer main body 210 and a rolling guide line 220, two ends of the rolling guide line 220 are respectively connected to the inner walls of the supporting frame 100 and the receiving groove 310, the receiving groove 310 is used for receiving the coating layer main body 210, the coating layer main body 210 is provided with a plurality of guiding holes 211, and the rolling guide line 220 is respectively inserted into the plurality of guiding holes 211. Two ends of the winding guide line 220 are respectively connected with the inner walls of the support frame 100 and the accommodating groove 310, the winding guide line 220 is respectively arranged in the guide holes 211 in a penetrating manner, the laminating layer main body 210 slides along the winding guide line 220, the influence of friction on the laminating layer 200 in the automatic opening and closing process is reduced, and meanwhile, the laminating layer main body 210 is more stable relative to the moving direction of the frame, so that the automatic opening and closing of the laminating layer 200 are more convenient, and the automatic opening and closing speed of the laminating layer 200 is further improved. In this embodiment, the winding guide wire 220, the slider 700, and the screw 420 are guided together, so that the direction in which the coating layer main body 210 moves with respect to the frame is more stable.

Referring to fig. 2 and 7, further, the plurality of guiding holes 211 are distributed at intervals along a direction parallel to the sliding direction of the nut 430, so as to enhance the stability of the automatic opening and closing of the film coating layer 200 of the planting greenhouse.

Referring to fig. 3 and fig. 5, in one embodiment, a first limiting member 421 is disposed at an end of the screw rod 420 far from the retractable member 300. In this embodiment, a first limiting member 421 is disposed at an end of the screw rod 420 far from the retractable member 300, a second limiting member 610 is disposed at an end of the connecting slide bar 600 far from the retractable member 300, specifically, the first limiting member 421 abuts against the support frame 100, the first limiting member 421 includes a first limiting main body 4211 and a first abutting portion 4212, specifically, the first limiting main body 4211 and the first abutting portion 4212 are integrally formed, the first limiting main body 4211 is connected with the screw rod 420, further, the first limiting main body 4211 is provided with a thread groove, so that the screw rod 420 is screwed to the first limiting main body 4211, and further, the screw rod 420 abuts against the support frame 100 through the first limiting member 421, thereby ensuring the stability of automatic opening and closing of the film coating layer 200 of the planting greenhouse 10.

Referring to fig. 5, further, the second limiting member 610 includes a second limiting main body 611 and a second abutting portion 612, the second limiting main body 611 is provided with a first abutting groove 6111, the second abutting portion 612 is provided with a second abutting groove 6121, the second limiting main body 611 is connected to the second abutting groove 6121 in a clamping manner, the connecting slide bar 600 is connected to the first abutting groove 6111 in a clamping manner, the connecting slide bar 600 is stably connected to the supporting frame 100, the connecting slide bar 600 is connected to the supporting frame 100 in a more stable manner in the automatic opening and closing process of the film covering layer 200, and the moving range of the slide member 700 is better fixed, so that the connecting slide bar 600 is better adapted to the supporting frames 100 of the planting greenhouse 10 with different lengths by adjusting the length of the connecting slide bar 600.

In other embodiments, the second limiting body 611 and the second abutting portion 612 are integrally formed, and the second limiting body 611 has an abutting groove, and the cross section of the abutting groove is circular, so that the connecting slide bar 600 is firmly clamped to the second limiting body 611, and the connecting slide bar 600 is firmly connected to the supporting frame 100, so that the planting greenhouse is more stable in the automatic opening and closing process of the film layer 200.

Referring to fig. 2, in one embodiment, the driving member 410 includes a servo motor 411 and a coupling member 412, and the screw rod 420 is connected to a power shaft of the servo motor 411 through the coupling member 412. In this embodiment, the lead screw 420 is connected to the power shafts of the coupling member 412 and the servo motor 411 respectively, so that the servo motor 411 can control the speed of the lead screw 420, and thus the lead screw 420 rotates at a constant speed, so that the nut 430 moves more stably on the lead screw 420, and further the automatic opening and closing process of the film coating layer 200 is more stable, and the automatic opening and closing operation of the film coating layer 200 is more convenient.

Compared with the prior art, the utility model discloses plant the big-arch shelter and have following advantage at least:

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a plant big-arch shelter, includes support frame and tectorial membrane layer, the tectorial membrane layer is located on the support frame, its characterized in that, plant the big-arch shelter and include:

2. The planting greenhouse of claim 1, further comprising a connecting member, wherein the connecting member is provided with a hook in a protruding manner, and the connecting member is connected with the film covering layer;

the nut is convexly provided with a connecting part, the connecting part is provided with a clamping groove, and the clamping hook is clamped in the clamping groove.

3. The planting greenhouse of claim 1, wherein the support frame comprises a support frame main body and a fixing member, the fixing member is provided with an accommodating cavity communicated with the communication hole, the driving member is located in the accommodating cavity and connected with the fixing member, the retractable member is arranged on the support frame main body, and the other end of the screw rod is rotatably connected with the support frame main body.

4. The planting greenhouse of claim 1, further comprising a connecting slide rod and a sliding member, wherein the sliding member is sleeved on the connecting slide rod and is in sliding connection with the connecting slide rod, two ends of the connecting slide rod are respectively connected with the retractable member and the support frame, the connecting slide rod is arranged in parallel with the screw rod, and the sliding member is connected with the film covering layer.

5. The planting greenhouse of claim 4, wherein the sliding member comprises a sliding member body and a protruding portion, and the sliding member body is sleeved on the connecting sliding rod and is slidably connected with the connecting sliding rod;

the protruding part is connected with the film covering layer.

6. The planting greenhouse of claim 5, wherein the nut is coupled to the slider body.

7. The planting greenhouse of claim 1, wherein the film layer comprises a film layer main body and a rolling guide line, two ends of the rolling guide line are respectively connected to the support frame and an inner wall of the receiving groove, the receiving groove is used for receiving the film layer main body, the film layer main body is provided with a plurality of guide holes, and the rolling guide line is respectively arranged in the plurality of guide holes in a penetrating manner.

8. The planting greenhouse of claim 7, wherein the plurality of guide holes are spaced apart in a direction parallel to the sliding direction of the nut.

9. The planting greenhouse of claim 1, wherein a first limiting member is disposed at an end of the screw rod away from the retractable member.

10. The planting greenhouse of claim 1, wherein the driving member comprises a servo motor and a coupling member, and the screw rod is connected to a power shaft of the servo motor through the coupling member.