Novel agricultural planting greenhouse

By using components such as gear plates and position control support rods in agricultural planting greenhouses, flexible adjustment of the shed body skeleton is solved, and the problem of fixed area of ​​existing planting greenhouses is improved, and the applicability and resource utilization efficiency of planting greenhouses are improved.

CN222564539UActive Publication Date: 2025-03-07YONGJIU TOWNSHIP PEOPLES GOVERNMENT OF MINGSHUI COUNTY
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Patent Information

Application Number
CN202420684128.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-05
Publication Date
2025-03-07
Estimated Expiration
2034-04-05

AI Technical Summary

Technical Problem

The area of ​​the existing agricultural planting greenhouses is fixed and cannot be adjusted according to the actual number of crops, resulting in wasting insulation materials when the area in the greenhouse is too large, and the number of plantings is limited if the number of crops is too small.

Method used

The drive gear disc, driven gear disc, control gear disc and control support rod are used to achieve flexible adjustment of the shed body skeleton through gear meshing and threaded connection, and dynamically adjust the shed body area according to the number of crops.

Benefits of technology

The flexible adjustment of the shed area is achieved, and resource waste and planting restrictions are avoided due to excessive or small area, and the applicability and structural flexibility of agricultural planting greenhouses are improved.

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Abstract

A novel agricultural planting greenhouse comprises a driving gear disc, a driven gear disc, a position control gear disc, a position control supporting rod, a movable plate, a bearing plate, a limiting batten and an outer limiting plate, a center vertical rod is arranged on the lower portion of the bearing plate, a fixed bottom plate is arranged on the lower portion of the center vertical rod, and a strip-shaped through hole is formed in the upper portion of the center vertical rod and matched with the driving gear disc. The central vertical rod is provided with a driving shaft rod penetrating hole, the driving shaft rod penetrating hole is matched with the driving shaft rod, the driving shaft rod penetrates through the driving shaft rod penetrating hole, the inner end of the driving shaft rod is connected with the driving gear disc, the outer end of the driving shaft rod is provided with a rotating wheel, and the inner side of the rotating wheel is attached to the central vertical rod; the driving gear disc is meshed with the driven gear disc, the driving gear disc is connected with the driven gear disc, the driven gear disc is matched with the strip-shaped through hole, the driven gear disc penetrates through the strip-shaped through hole, and the outer portion of the driven gear disc is attached to the center vertical rod.
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Description

Technical Field

[0001] The utility model relates to the agricultural field, in particular to a novel agricultural planting greenhouse. Background Art

[0002] The existing patent (Announcement No.: CN211152995U) proposes an agricultural greenhouse, including several pairs of bases, each of which has a mounting hole, a sleeve, and each sleeve is inserted into a support frame. Each support frame is provided with a magnetic sheet, and the upper part of all the support frames is wrapped with a thermal insulation film, and a patch is fixed on the thermal insulation film at the position corresponding to the magnetic sheet. However, in this device, "a circular tubular sleeve is vertically provided on each base, and a ∩-shaped round rod-shaped support frame is inserted into each pair of sleeves", and its support frame structure is relatively fixed, and the horizontal span distance between the skeletons cannot be flexibly adjusted, resulting in a fixed planting area in the greenhouse, and the area of ​​the greenhouse cannot be increased or decreased accordingly according to the actual number of crops planted. It is easy to waste space and thermal insulation materials such as film due to the excessive area in the greenhouse, which has disadvantages. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a new type of agricultural planting greenhouse, which is easy to disassemble and assemble, convenient for quick construction and separate storage between greenhouse frames, easy to operate, and saves transportation and storage space. At the same time, the greenhouse area can be increased or decreased accordingly according to the actual number of crops planted, so that a reasonable area can be maintained in the agricultural planting greenhouse, avoiding waste of space and insulation materials such as film due to an excessively large greenhouse area, or limited planting quantity due to an excessively small greenhouse area. The utility model has strong applicability and flexible structure.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A novel agricultural planting greenhouse comprises a driving gear plate, a driven gear plate, a position control gear plate, a position control support rod, a movable plate, a supporting plate, a limit strip plate, and an outer limit plate. The lower part of the supporting plate has a central vertical rod, the lower part of the central vertical rod has a fixed bottom plate, the upper part of the central vertical rod has a strip-shaped perforation, the strip-shaped perforation is adapted to the driving gear plate, the driving gear plate passes through the strip-shaped perforation, the outer part of the driving gear plate fits the central vertical rod, the central vertical rod has a driving shaft rod perforation, the driving shaft rod perforation is adapted to the driving shaft rod, the driving shaft rod perforation is adapted to the driving shaft rod, and the driving shaft rod perforation is adapted to the driving shaft rod. The driving shaft is penetrated through a hole, and the inner end of the driving shaft is connected to the driving gear plate. The outer end of the driving shaft is provided with a rotating wheel, and the inner side of the rotating wheel fits the central vertical rod. The driving gear plate is meshed with the driven gear plate, and the driving gear plate is connected to the driven gear plate. The driven gear plate is adapted to the strip-shaped perforation, and the driven gear plate passes through the strip-shaped perforation. The outside of the driven gear plate fits the central vertical rod. The central vertical rod has a supporting shaft perforation, and the supporting shaft perforation is adapted to the supporting shaft, and the supporting shaft passes through the supporting shaft perforation, and the supporting shaft is connected to the driven gear plate.

[0006] The utility model describes a driven gear plate meshing with a position-controlling gear plate, which is connected to the position-controlling gear plate, which is adapted to the strip-shaped perforation, through which the position-controlling gear plate passes, and the outside of the position-controlling gear plate fits the supporting plate, and the position-controlling support rod passes through the supporting plate and the position-controlling gear plate in sequence, and the position-controlling gear plate has position-controlling protrusions on both sides, and the position-controlling support rod has position-controlling grooves on both sides, and the position-controlling protrusions are adapted to the position-controlling grooves, and the position-controlling protrusions are connected to the position-controlling grooves.

[0007] The utility model provides slideways on both sides of the supporting plate, the slideways are adapted to the movable plate, the movable plate is connected to the slideways, the movable plate slides on the slideways, the movable plate is connected to the position-controlling support rod through threads, the movable plate has side uprights, and the lower part of the side uprights has side bottom plates.

[0008] The lower part of the support plate described in the utility model is connected to the limiting strip plate, the inner end of the limiting strip plate is provided with an inner limiting plate, the support plate has an inner through hole, the control support rod has a limiting slot, the limiting slot and the inner through hole are adapted to the inner limiting plate, the inner limiting plate passes through the inner through hole, and the inner limiting plate is connected to the limiting slot.

[0009] Beneficial effects:

[0010] 1. The driving gear plate, the driven gear plate and the position-controlling gear plate of the utility model are meshed and linked, so that when the driving gear plate is driven to rotate by rotating the rotating wheel, the driven gear plate and the position-controlling gear plate are linked accordingly, and the position-controlling gear plate is embedded and plugged with the position-controlling support rods on both sides, and the positioning is accurate, which is convenient for fast and accurate docking and installation between the components, and the position-controlling gear plate drives the position-controlling support rods on both sides to rotate synchronously, and provides a force fulcrum. The position-controlling support rods on both sides are respectively positioned and connected with the movable plates on both sides through positive and negative threads, so that when the position-controlling support rods rotate, the movable plates on both sides simultaneously perform horizontal synchronous linear displacement movements inward or outward in the slideway, so as to flexibly adjust the horizontal span distance between the side uprights on both sides, so that the shed area can be increased or decreased accordingly according to the actual number of crops planted, so that a reasonable area is maintained in the agricultural planting shed, and the waste of space and insulation materials such as film due to the excessive area in the shed is avoided, or the planting number is limited due to the small area in the shed. The utility model has strong applicability and flexible structure.

[0011] 2. The limit strip of the utility model is installed and fixed on the lower part of the supporting plate. The inner limit plate on the inner side thereof increases the connection fulcrum between the supporting plate and the position-controlling support rod and limits the position of the position-controlling support rod so that the lateral position remains unchanged and the axial rotation is adjusted to avoid movement and displacement, which affects the linkage effect between the components and improves the structural stability.

[0012] 3. The limit strip plate of the utility model provides an installation fulcrum for the outer limit plate. When the outer limit plate is moved to be completely separated from the movable plate by pulling the pull ring downward, the limit fulcrum of the movable plate on the supporting plate disappears. At this time, the movable plate can be quickly separated from the supporting plate, which is convenient for the separate storage of the shed frame and saves transportation and storage space. When the downward pulling force on the pull ring disappears, the pressure plate is automatically reset to the outer limit plate and embedded in the limit slide groove due to the elastic tension of the spring bar itself, which increases the connection fulcrum between the supporting plate and the movable plate and limits the position of the movable plate, so that it maintains lateral linear displacement while preventing the movable plate from being separated from the supporting plate during the position control and adjustment process, thereby improving the structural stability.

[0013] 4. The utility model is easy to disassemble and assemble, and is convenient for quick construction and separate storage between the shed frames. It is easy to operate, saves transportation and storage space, and can increase or decrease the shed area accordingly according to the actual number of crops planted, so that the agricultural planting shed maintains a reasonable area, avoiding waste of space and insulation materials such as film due to excessive shed area, or limited planting quantity due to too small shed area. It has strong applicability and flexible structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a new agricultural planting greenhouse described in the utility model.

[0015] Figure 2 This is a cross-sectional view of a novel agricultural greenhouse structure described in the utility model.

[0016] Figure 3 This is a schematic diagram of the movable plate driving structure of the utility model.

[0017] Figure 4 This is a schematic diagram of the supporting plate structure of the utility model.

[0018] Figure 5 This is a schematic diagram of the limit strip structure described in the utility model.

[0019] Figure 6 It is a cross-sectional view of the connecting structure of the driving gear plate, the driven gear plate, the position-controlling gear plate and the position-controlling support rod described in the utility model.

[0020] Figure 7 It is a schematic diagram of the side upright structure described in the utility model.

[0021] Figure 8 This is an exploded view of the position control support rod driving structure described in the utility model.

[0022] Fig. 9 This is an exploded view of the limiting strip plate structure described in the utility model.

[0023] Fig.10 For the utility model Figure 2 A magnified view of the local structure. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0025] Embodiment 1:

[0026] A novel agricultural planting greenhouse, comprising a driving gear plate 01, a driven gear plate 02, a position control gear plate 03, a position control support rod 06, a movable plate 07, a supporting plate 08, a limiting strip plate 10, and an outer limiting plate 14, wherein the supporting plate 08 has a central vertical rod 21 at the bottom, the central vertical rod 21 has a fixed bottom plate 22 at the bottom, the central vertical rod 21 has a strip through hole 17 at the top, the strip through hole 17 is adapted to the driving gear plate 01, the driving gear plate 01 passes through the strip through hole 17, the driving gear plate 01 is externally fitted with the central vertical rod 21, the central vertical rod 21 has a driving shaft rod through hole 26, the driving shaft rod through hole 26 is adapted to the driving shaft rod 19, the driving shaft rod 19 passes through the driving shaft rod through hole 26, the inner end of the driving shaft rod 19 is connected to the driving gear plate 01, the outer end of the driving shaft rod 19 has a rotating wheel 20, the inner side of the rotating wheel 20 is fitted with the central vertical rod 21, the driving gear plate 01 is The driven gear plate 02 is meshed, the driving gear plate 01 is connected to the driven gear plate 02, the driven gear plate 02 is adapted to the strip perforation 17, the driven gear plate 02 passes through the strip perforation 17, the outside of the driven gear plate 02 fits the center pole 21, the center pole 21 has a support shaft rod perforation 25, the support shaft rod perforation 25 is adapted to the support shaft rod 18, the support shaft rod 18 passes through the support shaft rod perforation 25, the support shaft rod 18 is connected to the driven gear plate 02, this device is easy to disassemble and assemble, convenient for rapid construction and separate storage between the shed frames, easy to operate, saving transportation and storage space, and can increase or decrease the shed area accordingly according to the actual number of crops planted, so that the agricultural planting greenhouse maintains a reasonable area, avoids waste of space and insulation materials such as film due to excessive area in the shed, or limited planting quantity due to too small area in the shed, strong applicability and flexible structure.

[0027] Embodiment 2:

[0028] The driven gear plate 02 of the utility model is meshed with the position controlling gear plate 03, the driven gear plate 02 is connected to the position controlling gear plate 03, the position controlling gear plate 03 is adapted to the strip-shaped through hole 17, the position controlling gear plate 03 passes through the strip-shaped through hole 17, the outside of the position controlling gear plate 03 is fitted with the supporting plate 08, the position controlling support rod 06 passes through the supporting plate 08 and the position controlling gear plate 03 in sequence, the position controlling gear plate 03 has position controlling protrusions 04 on both sides, the position controlling support rod 06 has position controlling grooves 05 on both sides, the position controlling protrusions 04 are adapted to the position controlling grooves 05, and the position controlling protrusions 04 are connected to the position controlling grooves 05.

[0029] Embodiment 3:

[0030] The support plate 08 of the utility model has slideways 09 on both sides, the slideways 09 are adapted to the movable plate 07, the movable plate 07 is connected to the slideways 09, the movable plate 07 slides on the slideways 09, the movable plate 07 is connected to the control support rod 06 by threads, the movable plate 07 has side uprights 23, the lower part of the side uprights 23 has side bottom plates 24, the driving gear plate 01, the driven gear plate 02, and the control gear plate 03 are meshed and linked, so that when the driving gear plate 01 is driven to rotate by rotating the rotating wheel 20, the driven gear plate 02 and the control gear plate 03 are linked accordingly, the control gear plate 03 is embedded and plugged with the control support rods 06 on both sides, the positioning is accurate, and it is convenient for the components to be quickly and accurately connected and installed, and it is The position-controlling gear plate 03 drives the position-controlling support rods 06 on both sides to rotate synchronously, providing force fulcrums. The position-controlling support rods 06 on both sides are respectively positioned and connected with the movable plates 07 on both sides through positive and negative threads, so that when the position-controlling support rods 06 rotate, the movable plates 07 on both sides simultaneously perform lateral synchronous linear displacement movements inward or outward in the slideway 09, so as to flexibly adjust the lateral span distance between the side uprights 23 on both sides, so that the area of ​​the shed can be increased or decreased accordingly according to the actual number of crops planted, so as to maintain a reasonable area in the agricultural planting greenhouse, avoid wasting space and insulation materials such as film due to excessively large area in the greenhouse, or limiting the number of planting due to too small area in the greenhouse, with strong applicability and flexible structure.

[0031] Embodiment 4:

[0032] The support plate 08 of the utility model is connected to the limiting strip plate 10 at the lower part, and the inner end of the limiting strip plate 10 is provided with an inner limiting plate 13, the support plate 08 has an inner through hole 15, and the control support rod 06 has a limiting slot 11, the limiting slot 11 and the inner through hole 15 are adapted to the inner limiting plate 13, the inner limiting plate 13 passes through the inner through hole 15, and the inner limiting plate 13 is connected to the limiting slot 11, the limiting strip plate 10 is installed and fixed to the lower part of the support plate 08, and the inner limiting plate 13 on the inner side thereof increases the connection fulcrum between the support plate 08 and the control support rod 06, and limits the position of the control support rod 06, so that it keeps its lateral position unchanged, performs axial rotation adjustment, avoids displacement, affects the linkage effect between the components, and improves the structural stability.

[0033] Embodiment 5:

[0034] The outer end of the limiting strip plate 10 described in the utility model has a limiting plate through hole 33, the supporting plate 08 has an outer through hole 16, and the movable plate 07 has a limiting slide groove 12. The limiting slide groove 12, the outer through hole 16, and the limiting plate through hole 33 are adapted to the outer limiting plate 14. The outer limiting plate 14 passes through the limiting plate through hole 33 and the outer through hole 16 in sequence. The outer limiting plate 14 is connected to the limiting slide groove 12, and the outer limiting plate 14 slides in the limiting slide groove 12. The outer limiting plate 14 has a pressing plate 28.

[0035] Embodiment 6:

[0036] The utility model described in the limit strip plate 10 has a mounting sleeve 30 at the bottom, the inner side of the mounting sleeve 30 is attached to the pressure plate 28, the upper part of the pressure plate 28 is attached to the limit strip plate 10, and the lower part of the pressure plate 28 is provided with a pull rod 27, the pull rod 27 passes through the spring bar 32 and the limit support sleeve 31 in sequence, the pull rod 27 is connected to the pull ring 29, the pull ring 29 is attached to the limit support sleeve 31, the limit support sleeve 31 is connected to the mounting sleeve 30 by a thread, the limit support sleeve 31 is connected to one end of the spring bar 32, and the other end of the spring bar 32 is connected to the pressure plate 28, the limit strip plate 10 provides an installation fulcrum for the outer limit plate 14, when the pull ring 29 is pulled downward to drive the outer limit plate 14 to move to the position where it is connected to the movable plate 0 When the 7 rooms are completely separated, the limiting fulcrum of the supporting plate 08 on the movable plate 07 disappears. At this time, the movable plate 07 can be quickly separated from the supporting plate 08, which is convenient for the separate storage of the shed frame and saves transportation and storage space. When the downward pulling force on the pull ring 29 disappears, the pressure plate 28 is automatically reset to the outer limiting plate 14 and embedded in the limiting slide groove 12 due to the elastic tension of the spring bar 32 itself, thereby increasing the connection fulcrum between the supporting plate 08 and the movable plate 07 and limiting the position of the movable plate 07, so that it maintains lateral linear displacement while preventing the movable plate 07 from being separated from the supporting plate 08 during the position control and adjustment process, thereby improving the structural stability.

[0037] Embodiment 7:

[0038] Installation steps: First, assemble the position control structure of the movable plate 07. First, place the driving gear plate 01, the driven gear plate 02, and the position control gear plate 03 through the strip-shaped through-hole 17 into the center pole 21, and the driving gear plate 01, the driven gear plate 02, and the position control gear plate 03 are meshed and connected. Then, pass the driving shaft 19 through the driving shaft through-hole 26 and fix it with the driving gear plate 01, and the inner surface of the rotating wheel 20 is in contact with the outer surface of the center pole 21. Then, pass the supporting shaft 18 through the supporting shaft through-hole 25 and mesh with the driven gear plate 01. The plate 02 is fixedly connected, and the control rod 06 is connected to the supporting plate 08 and the control gear plate 03 in sequence, until the limit slot 11 corresponds to the inner perforation 15, and the control protrusion 04 is embedded in the control groove 05, and finally the side pole 23 is placed outside the central pole 21, and the movable plate 07 is embedded in the slideway 09 and sleeved on the outside of the control rod 06. The movable plate 07 is positioned and connected with the control rod 06 through a thread, and the limit slide groove 12 corresponds to the position of the outer perforation 16. After the assembly of the control structure of the movable plate 07 is completed, the limit strip 10 is assembled. The structure is assembled, first the pressure plate 28 is placed in the installation sleeve 30 until the upper surface of the pressure plate 28 is in contact with the limiting strip 10, and the outer limiting plate 14 passes through the limiting plate through-hole 33, and then the spring bar 32 is placed in the installation sleeve 30, and the spring bar 32 is sleeved on the outside of the pull rod 27, and then the limiting sleeve 31 is placed on the outside of the installation sleeve 30 and fixedly connected with it by threads, and the lower end of the pull rod 27 passes through the limiting sleeve 31, the inner surface of the limiting sleeve 31 is pressed against the lower end of the spring bar 32, and the upper end of the spring bar 32 is pressed against the pressure plate 28, and then the pull ring 29 is placed at the bottom of the limiting sleeve 31 and fixedly connected with the pull rod 27, finally the limiting strip 10 is installed and fixed to the lower part of the supporting plate 08, and the outer limiting plate 14 passes through the outer through-hole 16 and is embedded in the limiting slide groove 12, and the inner limiting plate 13 passes through the inner through-hole 15 and is embedded in the limiting card slot 11, and the installation is completed.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A new type of agricultural greenhouse, characterized by : comprising a driving gear plate (01), a driven gear plate (02), a position control gear plate (03), a position control support rod (06), a movable plate (07), a supporting plate (08), a limiting strip plate (10), and an outer limiting plate (14), wherein the supporting plate (08) has a central vertical rod (21) at the bottom, the central vertical rod (21) has a fixed bottom plate (22) at the bottom, the central vertical rod (21) has a strip-shaped through hole (17) at the top, the strip-shaped through hole (17) is adapted to the driving gear plate (01), the driving gear plate (01) passes through the strip-shaped through hole (17), the driving gear plate (01) is externally fitted with the central vertical rod (21), the central vertical rod (21) has a driving shaft rod through hole (26), the driving shaft rod through hole (26) is adapted to the driving shaft rod (19), the driving shaft rod (19) passes through the driving shaft rod The drive shaft (19) has a through hole (26), the inner end of the drive shaft (19) is connected to the drive gear plate (01), the outer end of the drive shaft (19) has a rotating wheel (20), the inner side of the rotating wheel (20) is in contact with the central vertical rod (21), the drive gear plate (01) is meshed with the driven gear plate (02), the drive gear plate (01) is connected to the driven gear plate (02), the driven gear plate (02) is adapted to the strip through hole (17), the driven gear plate (02) passes through the strip through hole (17), the outer side of the driven gear plate (02) is in contact with the central vertical rod (21), the central vertical rod (21) has a support shaft through hole (25), the support shaft through hole (25) is adapted to the support shaft (18), the support shaft (18) passes through the support shaft through hole (25), and the support shaft (18) is connected to the driven gear plate (02).

2. A novel agricultural greenhouse according to claim 1, characterized in that : The driven gear plate (02) is meshed with the position-controlling gear plate (03), the driven gear plate (02) is connected to the position-controlling gear plate (03), the position-controlling gear plate (03) is adapted to the strip-shaped through-hole (17), the position-controlling gear plate (03) passes through the strip-shaped through-hole (17), the outside of the position-controlling gear plate (03) is fitted to the support plate (08), the position-controlling support rod (06) passes through the support plate (08) and the position-controlling gear plate (03) in sequence, the position-controlling gear plate (03) has position-controlling protrusions (04) on both sides, the position-controlling support rod (06) has position-controlling grooves (05) on both sides, the position-controlling protrusions (04) are adapted to the position-controlling grooves (05), and the position-controlling protrusions (04) are connected to the position-controlling grooves (05).

3. A novel agricultural planting greenhouse according to claim 2, characterized in that The supporting plate (08) has slideways (09) on both sides, the slideways (09) are adapted to the movable plate (07), the movable plate (07) is connected to the slideways (09), the movable plate (07) slides on the slideways (09), the movable plate (07) is connected to the position-controlling support rod (06) by threads, the movable plate (07) has side upright rods (23), and the lower part of the side upright rods (23) has side bottom plates (24).

4. A novel agricultural greenhouse according to claim 3, characterized in that The lower part of the support plate (08) is connected to the limiting strip plate (10), the inner end of the limiting strip plate (10) has an inner limiting plate (13), the support plate (08) has an inner through hole (15), the control support rod (06) has a limiting slot (11), the limiting slot (11) and the inner through hole (15) are adapted to the inner limiting plate (13), the inner limiting plate (13) passes through the inner through hole (15), and the inner limiting plate (13) is connected to the limiting slot (11).

5. A novel agricultural greenhouse according to claim 4, characterized in that The outer end of the limiting strip plate (10) has a limiting plate perforation (33), the supporting plate (08) has an outer perforation (16), the movable plate (07) has a limiting slide groove (12), the limiting slide groove (12), the outer perforation (16), and the limiting plate perforation (33) are adapted to the outer limiting plate (14), the outer limiting plate (14) passes through the limiting plate perforation (33) and the outer perforation (16) in sequence, the outer limiting plate (14) is connected to the limiting slide groove (12), the outer limiting plate (14) slides in the limiting slide groove (12), and the outer limiting plate (14) has a pressing plate (28).

6. A novel agricultural greenhouse according to claim 5, characterized in that The lower part of the limiting strip plate (10) has a mounting sleeve (30), the inner side of the mounting sleeve (30) is fitted with a pressure plate (28), the upper part of the pressure plate (28) is fitted with the limiting strip plate (10), the lower part of the pressure plate (28) has a pull rod (27), the pull rod (27) passes through the spring strip (32) and the limiting sleeve (31) in sequence, the pull rod (27) is connected to the pull ring (29), the pull ring (29) is fitted with the limiting sleeve (31), the limiting sleeve (31) is connected to the mounting sleeve (30) by a thread, the limiting sleeve (31) is connected to one end of the spring strip (32), and the other end of the spring strip (32) is connected to the pressure plate (28).

Citation Information

Patent Citations

  • Agricultural planting greenhouse

    CN211152995U