Quick disassembly type membrane clamping and splicing device

Abstract

The invention relates to the technical field of greenhouse film splicing, in particular to a quick-disassembly type film clamping and splicing device which comprises a lower clamping plate, a middle vertical plate, upper clamping plates and bolt assemblies, the middle vertical plate is fixedly connected to the center of the upper end of the lower clamping plate, and the upper clamping plates are movably mounted on the left side and the right side of the middle vertical plate; the lower clamping plate and the upper clamping plate are axially locked through bolt assemblies penetrating through the hole positions. In order to solve the problem that an existing plastic film splicing technology cannot adapt to a hard film, uniform stress fixing of the hard film is achieved through a composite structure of the aluminum alloy clamp and the silica gel sealing strip, the bolts are screwed to enable the clamping plates to generate uniform clamping force, the situation that the film is broken due to local stress concentration can be avoided, splicing of the high-hardness hard film is adapted, and the service life of the hard film is prolonged. The anti-loosening buckles arranged on the bolts can lock the positions of the bolts to prevent the bolts from retreating, the stability after splicing is ensured, and compared with a traditional splicing structure, the thin film can be rapidly disassembled and assembled, and the maintenance efficiency is low.

Description

Technical Field

[0001] The present invention relates to the technical field of greenhouse film splicing, and in particular to a quick-detachable film clamping and splicing device. Background Art

[0002] Plastic greenhouses are widely used worldwide due to their ease of construction, low cost, and adaptability. Traditional greenhouses often use bamboo, wood, or steel as their frames, covered with a soft plastic film to create an arched structure. With advances in material technology, rigid plastic film (durafilm) is becoming an alternative due to its advantages such as excellent light transmittance, high mechanical strength, and long service life.

[0003] Currently, existing greenhouse film splicing relies primarily on two methods: First, for soft films, S-shaped metal springs and slots are crimped together, securing the film through elastic deformation. However, this method presents issues such as spring detachment and film deformation. Second, gluing or heat-sealing processes are employed. However, the former suffers from poor weather resistance and is prone to failure, while the latter requires specialized equipment and is inconvenient to disassemble and maintain. Furthermore, some solutions attempt to clamp hard films with bolts, but this can lead to localized stress concentration and rupture, making it incompatible with harder film materials. Consequently, hard films face installation difficulties and poor sealing in greenhouse applications, and there is a lack of solutions for splicing hard films that can be quickly disassembled while maintaining a good seal.

[0004] Based on this, the present invention designs a quick-detachable film clamping and splicing device to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a quick-detachable film clamping and splicing device.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a quick-detachable membrane clamping and splicing device, comprising a lower splint, an intermediate vertical plate, an upper splint and a bolt assembly, the center of the upper end of the lower splint is fixedly connected to the intermediate vertical plate, the upper splints are movably installed on the left and right sides of the intermediate vertical plate, the lower splint and the upper splint are axially locked by the bolt assembly through the holes, a first baffle plate and a second baffle plate are respectively provided on both sides of the intermediate vertical plate at the upper end of the lower splint, a plurality of first threaded holes are opened at the upper end of the lower splint between the first baffle plate and the intermediate vertical plate, a plurality of second threaded holes are opened at the upper end of the lower splint between the second baffle plate and the intermediate vertical plate.

[0007] As a preferred technical solution of the present invention, the upper end of the lower splint is symmetrically provided with a first dovetail groove and a second dovetail groove, the first dovetail groove is embedded with a first silicone sealing strip, and the second dovetail groove is embedded with a second silicone sealing strip.

[0008] As a preferred technical solution of the present invention, three first guide grooves are provided on one side surface of the middle vertical plate, and three second guide grooves are provided on the other side surface. The three first guide grooves and the second guide grooves are symmetrically distributed.

[0009] As a preferred technical solution of the present invention, the upper splint includes a C-shaped plate, a pressure plate, a guide block, a through hole, a plate groove, a third dovetail groove and a third silicone sealing strip. One side of the C-shaped plate is fixedly connected to the pressure plate, and the other side of the C-shaped plate is fixedly connected to three guide blocks. Multiple through holes are opened at the top of the C-shaped plate.

[0010] As a preferred technical solution of the present invention, a third dovetail groove is provided at the lower end of the pressing plate, in which a third silicone sealing strip is embedded and connected, and a plate groove is also provided on one side of the third dovetail groove at the lower end of the pressing plate.

[0011] The above-mentioned first silicone sealing strip, second silicone sealing strip and third silicone sealing strip are all made of silicone strips with a Shore hardness of ±, while the lower splint and the upper splint are both made of 6061-T6 aluminum alloy (thickness ≥3mm) with a tensile strength ≥290MPa.

[0012] As a preferred technical solution of the present invention, the plate grooves provided on the lower ends of the upper pressure plates of the two upper clamping plates are respectively plugged with the first baffle plate and the second baffle plate provided on the lower clamping plate.

[0013] As a preferred technical solution of the present invention, the two upper clamping plates are respectively connected to the first guide groove and the second guide groove provided on the middle vertical plate through three guide blocks provided on one side of the C-shaped plate.

[0014] As a preferred technical solution of the present invention, the bolt assembly includes a screw, a threaded end, a screw head and an anti-loosening buckle. The lower end of the screw is provided with a threaded end, the upper end of the screw is fixedly connected to the screw head, and the screw is movably sleeved with an anti-loosening buckle.

[0015] As a preferred technical solution of the present invention, the screw rod passes through the through hole and is spirally locked with the lower clamping plate through the threaded end provided at the lower end.

[0016] The above-mentioned bolt assembly is a high-strength nylon locking bolt made of PA nylon material (M specification) with a pre-tightening torque of 15-20N·m.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention addresses the problem that existing plastic film splicing technology cannot adapt to hard film. The composite structure of aluminum alloy clamps and silicone sealing strips is used to achieve uniform force fixation of the hard film. Tightening the bolts allows the splints to generate uniform clamping force, which can avoid local stress concentration and cracking of the film. It is suitable for splicing high-hardness hard films. The anti-loosening buckles on the bolts can lock the bolt position to prevent the bolts from retreating, ensuring the stability of the splicing. Compared with traditional splicing structures, the film can be quickly disassembled and assembled, with low maintenance efficiency. 2. The present invention uses silicone sealing strips embedded in the upper and lower plates of the clamp. After the device clamps and splices the film, the silicone sealing strips can provide continuous elastic compensation for the clamping, ensuring long-term sealing at the splicing point. The sealing strips can also compensate for the installation tolerances of films of different thicknesses. The dovetail groove design ensures that the sealing strips do not move when subjected to force. This device can improve the wind pressure resistance of the dura membrane splicing point, evenly distribute the stress of the film in the clamping area, and eliminate the risk of local rupture, thus having good practicality. 3. The present invention adopts a modular design, which allows the independent disassembly and assembly of the single-side film, realizes the independent fixation and adjustment of adjacent films, improves maintenance efficiency, and facilitates the later inspection and maintenance of the clamping and splicing device, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the overall front view structure of the present invention; Figure 2 This is a schematic diagram of the overall top view of the present invention; Figure 3 It is a schematic diagram of the overall side structure of the present invention; Figure 4 It is a schematic diagram of the overall side cross-sectional structure of the present invention; Figure 5 This is a schematic diagram of the explosion structure of the lower splint of the present invention; Figure 6 This is a schematic diagram of the upper splint structure of the present invention; Figure 7 It is a schematic diagram of the explosion structure of the upper splint of the present invention.

[0019] In the figure: 1. Lower splint; 101. First baffle plate; 102. Second baffle plate; 103. First threaded hole; 104. Second threaded hole; 105. First dovetail groove; 106. Second dovetail groove; 107. First silicone sealing strip; 108. Second silicone sealing strip; 2. Middle vertical plate; 201. First guide groove; 202. Second guide groove; 3. Upper splint; 301. C-shaped plate; 302. Pressing plate; 303. Guide block; 304. Through hole; 305. Plate groove; 306. Third dovetail groove; 307. Third silicone sealing strip; 4. Bolt assembly; 401. Screw; 402. Threaded end; 403. Screw head; 404. Anti-loosening buckle. DETAILED DESCRIPTION

[0020] The following is a combination of the embodiments of the present invention Figure 1-7 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] Example See also Figure 1-7 The present invention provides the following technical solutions: a quick-detachable film clamping and splicing device, comprising a lower clamping plate 1, an intermediate vertical plate 2, an upper clamping plate 3 and a bolt assembly 4, wherein the center of the upper end of the lower clamping plate 1 is fixedly connected to the intermediate vertical plate 2, and the upper clamping plates 3 are movably installed on both sides of the intermediate vertical plate 2, and the lower clamping plate 1 and the upper clamping plate 3 are axially locked by the through-hole position of the bolt assembly 4, and the first baffle plate 101 and the second baffle plate 10 are respectively provided on both sides of the upper end of the lower clamping plate 1 and the intermediate vertical plate 2. 2. A plurality of first threaded holes 103 are provided at the upper end of the lower plywood 1 between the first baffle plate 101 and the middle vertical plate 2. A plurality of second threaded holes 104 are provided at the upper end of the lower plywood 1 between the second baffle plate 102 and the middle vertical plate 2. A first dovetail groove 105 and a second dovetail groove 106 are symmetrically provided at the upper end of the lower plywood 1. A first silicone sealing strip 107 is embedded in the first dovetail groove 105, and a second silicone sealing strip 108 is embedded in the second dovetail groove 106.

[0022] Three first guide grooves 201 are formed on one side surface of the middle vertical plate 2 , and three second guide grooves 202 are formed on the other side surface. The three first guide grooves 201 and the second guide grooves 202 are symmetrically distributed.

[0023] The upper splint 3 includes a C-shaped plate 301, a pressure plate 302, a guide block 303, a through hole 304, a plate groove 305, a third dovetail groove 306 and a third silicone sealing strip 307. One side of the C-shaped plate 301 is fixedly connected to the pressure plate 302, and the other side of the C-shaped plate 301 is fixedly connected to three guide blocks 303. A plurality of through holes 304 are provided at the top of the C-shaped plate 301, and a third dovetail groove 306 is provided at the lower end of the pressure plate 302. The third dovetail groove 306 is embedded in the third silicone sealing strip 307, and a plate groove 305 is also provided on one side of the third dovetail groove 306 at the lower end of the pressure plate 302.

[0024] Through the structural design of the above-mentioned lower splint 1 and upper splint 3, the edge of the hard membrane is inserted between the lower splint 1 and the upper splint 3 to limit the membrane under the action of the first baffle plate 101, and the lower splint 1 and the upper splint 3 generate uniform clamping force by tightening the bolt assembly 4. The silicone strips in the lower splint 1 and the upper splint 3 are compressed and deformed to fill the gap between the membrane and the clamp, ensuring the sealing of the clamping point and compensating for the installation tolerance of films of different thicknesses, thereby improving the stability of the clamping splicing.

[0025] The plate grooves 305 provided at the lower ends of the upper pressing plates 302 of the two upper clamping plates 3 are respectively plugged with the first baffle plate 101 and the second baffle plate 102 provided on the lower clamping plate 1 .

[0026] The two upper clamping plates 3 are respectively connected to the first guide groove 201 and the second guide groove 202 provided on the middle vertical plate 2 through three guide blocks 303 provided on one side of the C-shaped plate 301.

[0027] By designing the upper clamping plate 3 and the middle vertical plate 2 into a modular detachable structure, it is convenient to disassemble, repair or replace the upper clamping plate 3 at a later stage, thereby improving maintenance efficiency.

[0028] The bolt assembly 4 includes a screw 401, a threaded end 402, a screw head 403 and an anti-loosening buckle 404. The lower end of the screw 401 is provided with a threaded end 402, the upper end of the screw 401 is fixedly connected to the screw head 403, and the anti-loosening buckle 404 is movably sleeved on the screw 401.

[0029] The screw rod 401 passes through the through hole 304 and is screw-locked with the lower clamping plate 1 via the threaded end 402 provided at the lower end.

[0030] The anti-loosening buckle 404 can lock the position of the bolt after tightening to prevent it from loosening.

[0031] The working principle and usage process of the present invention: During specific use, by loosening the bolt assembly 4 upwards, the upper splint 3 is lifted upwards, and the edge of the dura membrane is placed between the lower splint 1 and the upper splint 3 until the edge of the dura membrane is blocked by the membrane blocking plate, and then the bolt assembly 4 is tightened downwards to the specified value again, so that the lower splint 1 and the upper splint 3 produce a uniform clamping force on the dura membrane, and the silicone strip embedded in the lower splint 1 and the upper splint 3 is deformed under pressure to fill the gap between the membrane and the clamp, so that the connection has better sealing, and the dovetail groove design ensures that the sealing strip does not move when under force, so that the clamping can be more stable. This device can improve the wind pressure resistance of the dura membrane joint, and the disassembly and assembly time is greatly shortened compared to the traditional bolt solution, realizing a dura membrane splicing solution that can be quickly disassembled and maintains sealing.

[0032] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A quick-release film clamping and splicing device, characterized by: The invention comprises a lower clamping plate (1), an intermediate vertical plate (2), an upper clamping plate (3) and a bolt assembly (4), wherein the center of the upper end of the lower clamping plate (1) is fixedly connected to the intermediate vertical plate (2), and the upper clamping plates (3) are movably installed on the left and right sides of the intermediate vertical plate (2), and the lower clamping plate (1) and the upper clamping plate (3) are axially locked by the bolt assembly (4) penetrating the hole position, and a first baffle plate (101) and a second baffle plate (102) are respectively provided on both sides of the intermediate vertical plate (2) at the upper end of the lower clamping plate (1), a plurality of first threaded holes (103) are opened on the upper end of the lower clamping plate (1) between the first baffle plate (101) and the intermediate vertical plate (2), and a plurality of second threaded holes (104) are opened on the upper end of the lower clamping plate (1) between the second baffle plate (102) and the intermediate vertical plate (2).

2. The quick-release film clamping and splicing device according to claim 1, characterized in that: The upper end of the lower splint (1) is symmetrically provided with a first dovetail groove (105) and a second dovetail groove (106), wherein a first silicone sealing strip (107) is embedded in the first dovetail groove (105), and a second silicone sealing strip (108) is embedded in the second dovetail groove (106).

3. The quick-release film clamping and splicing device according to claim 1, characterized in that: Three first guide grooves (201) are provided on one side surface of the middle vertical plate (2), and three second guide grooves (202) are provided on the other side surface of the middle vertical plate (2). The three first guide grooves (201) and the second guide grooves (202) are symmetrically distributed.

4. The quick-release film clamping and splicing device according to claim 1, characterized in that: The upper clamping plate (3) comprises a C-shaped plate (301), a pressing plate (302), a guide block (303), a through hole (304), a plate groove (305), a third dovetail groove (306) and a third silicone sealing strip (307). One side of the C-shaped plate (301) is fixedly connected to the pressing plate (302), and the other side of the C-shaped plate (301) is fixedly connected to three guide blocks (303). A plurality of through holes (304) are provided at the top of the C-shaped plate (301).

5. The quick-release film clamping and splicing device according to claim 4, characterized in that: A third dovetail groove (306) is provided at the lower end of the pressing plate (302), and a third silicone sealing strip (307) is embedded in the third dovetail groove (306). A plate groove (305) is also provided on one side of the third dovetail groove (306) at the lower end of the pressing plate (302).

6. The quick-release film clamping and splicing device according to claim 4, characterized in that: The plate grooves (305) provided at the lower ends of the upper pressure plates (302) of the two upper clamping plates (3) are respectively plugged into the first baffle plate (101) and the second baffle plate (102) provided on the lower clamping plate (1).

7. The quick-release film clamping and splicing device according to claim 4, characterized in that: The two upper clamping plates (3) are respectively connected to the first guide groove (201) and the second guide groove (202) provided on the middle vertical plate (2) through three guide blocks (303) provided on one side of the C-shaped plate (301).

8. The quick-release film clamping and splicing device according to claim 1, characterized in that: The bolt assembly (4) comprises a screw rod (401), a threaded end (402), a screw rod head (403) and an anti-loosening buckle (404); the lower end of the screw rod (401) is provided with a threaded end (402); the upper end of the screw rod (401) is fixedly connected to the screw rod head (403); and the anti-loosening buckle (404) is movably sleeved on the screw rod (401).

9. The quick-release film clamping and splicing device according to claim 8, characterized in that: The screw rod (401) passes through the through hole (304) and is screw-locked with the lower clamping plate (1) via a threaded end (402) provided at the lower end.

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