Plastic film lossless connecting piece

Abstract

The plastic film lossless connecting piece comprises a first clamping plate and a second clamping plate, the middle of the first clamping plate is hinged to the middle of the second clamping plate, the plastic film lossless connecting piece further comprises a spring mechanism and an extrusion mechanism, and the spring mechanism is arranged at the hinged position of the first clamping plate and the second clamping plate; the extrusion mechanism is arranged at the mutually closed ends of the first clamping plate and the second clamping plate and comprises a first extrusion part and a second extrusion part, the first extrusion part is arranged at one end of the first clamping plate, the second extrusion part is arranged at one end of the second clamping plate, and the first extrusion part is matched with the second extrusion part to be used for lossless extrusion connection of the plastic film. According to the main body, the first clamping plate, the second clamping plate and the spring mechanism jointly form a spring clamp structure, meanwhile, the extrusion mechanism is arranged at the closed end of the spring clamp structure, the first extrusion part and the second extrusion part are jointly matched for extrusion, and lossless clamping can be conducted on the connecting position of multiple films.

Description

Technical Field

[0001] The invention relates to the technical field of film connection, and in particular to a plastic film lossless connector. Background Art

[0002] In the process of erecting agricultural greenhouses, it is necessary to lay plastic film on the sheds. Since some sheds require multiple sheets of film to be connected during the process of laying plastic film, connectors are needed to dock the joints of multiple films.

[0003] There are two major ways to connect multiple films. One is the non-detachable joint type splicing, which uses hot welding and bonding to connect the films. This connection method can make the film joints tightly spliced. The other is to first butt-join and curl the joints of multiple films, and then puncture and connect the film joints.

[0004] The above two types of multiple film connection forms, the first type will cause damage to the film when the film is disassembled, and the second type will damage the film when the film is connected. These two methods will cause damage to the film when connecting or disassembling multiple films, thereby causing waste of film. Therefore, this solution proposes a plastic film non-destructive connector to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a plastic film lossless connector to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a plastic film lossless connector, comprising a first clamping plate and a second clamping plate, wherein the middle parts of the first clamping plate and the second clamping plate are hinged to each other, and further comprising:

[0007] A spring mechanism, the spring mechanism being arranged at the hinge of the first clamping plate and the second clamping plate, the spring mechanism supporting the hinge of the first clamping plate and the second clamping plate to close one end of the two;

[0008] An extrusion mechanism is arranged at one end where the first clamp and the second clamp are closed to each other. The extrusion mechanism includes a first extrusion piece and a second extrusion piece. The first extrusion piece is arranged at one end of the first clamp, and the second extrusion piece is arranged at one end of the second clamp. The first extrusion piece cooperates with the second extrusion piece for lossless extrusion connection of the plastic film.

[0009] Preferably, a rotating frame is provided at the bottom of the first clamping plate, the rotating frame is transmission-interpenetrated in the middle of the second clamping plate, a supporting shaft is interpenetrated between the rotating frame and the middle of the second clamping plate, and the supporting shaft is used to set a spring mechanism.

[0010] Preferably, the spring mechanism comprises a torsion spring, which is sleeved on the middle part of the supporting shaft, and two ends of the torsion spring are respectively supported on the bottom end of the first clamping plate and the top end of the second clamping plate.

[0011] Preferably, a plurality of first connecting strips are provided at one closed end of the first splint, and a plurality of second connecting strips are provided at one closed end of the second splint, and the plurality of first connecting strips and the plurality of second connecting strips are symmetrically arranged along the horizontal and longitudinal directions, respectively, and the first extrusion member is rotatably inserted and connected between opposite sides of the plurality of first connecting strips, and the second extrusion member is rotatably inserted and connected between opposite sides of the plurality of second connecting strips.

[0012] Preferably, the first extrusion member includes a first extrusion roller, which is rotatably connected between opposite sides of a plurality of first connecting strips; the second extrusion member includes a second extrusion roller, which is rotatably connected between opposite sides of a plurality of second connecting strips; a first connecting portion is connected between the first extrusion roller and the plurality of first connecting strips; and a second connecting portion is connected between the second extrusion roller and the plurality of second connecting strips.

[0013] Preferably, a plurality of arc-shaped protrusions are arranged around the outer wall of the first extrusion roller, and a plurality of arc-shaped grooves are arranged around the outer wall of the second extrusion roller, and the plurality of arc-shaped protrusions are respectively meshed with the plurality of arc-shaped grooves.

[0014] Preferably, a first insertion hole is opened in the middle of each of the plurality of the first connecting strips, and a tooth groove is opened on one side of one of the first connecting strips and passes through the first insertion hole, and the first insertion hole and the tooth groove are used for rotation and locking when the first connecting part is inserted.

[0015] Preferably, the first connecting portion comprises:

[0016] A first connecting rotating rod, the first connecting rotating rod passes through one of the first insertion holes and is inserted and connected with the middle part of the first extrusion roller, the insertion ends of the first connecting rotating rod and the first extrusion roller are provided with an insertion slot, and the inner wall of the insertion slot is provided with a plurality of docking slots;

[0017] A connecting block, wherein a tooth opening is provided around the outer wall of the connecting block, and the connecting block is meshed with the inner wall of the tooth groove through the tooth opening. A driving button block is fixedly connected to one end of the connecting block, and a penetration column is fixedly connected to the inner wall of the penetration slot by sliding and interpenetrating. A plurality of docking strips are provided around the outer wall of the penetration column, and the plurality of docking strips are respectively connected to the plurality of docking slots by sliding and interpenetrating.

[0018] Preferably, a second through hole is formed in the middle of each of the plurality of second connecting strips, and the second connecting portion is through-connected to the middle of the plurality of second through holes.

[0019] Preferably, the second connecting portion includes a second connecting rotating rod, both ends of which are rotatably and interlacedly connected to a plurality of second interlaced holes respectively, and a middle portion of the second connecting rotating rod is interlacedly connected to a middle portion of the second extrusion roller.

[0020] Technical effects and advantages of the present invention:

[0021] (1) The main body of the present invention comprises a spring clamp structure formed by the first clamp plate, the second clamp plate and the spring mechanism, and a pressing mechanism is arranged at the closed end of the spring clamp structure. The pressing mechanism is pressed by the first pressing member and the second pressing member, and the connection of multiple films can be clamped without damage under the combined pressing of the first pressing roller and the second pressing roller. At the same time, in order to maintain the clamping tightness, the film connection is squeezed and locked by the cooperation of the arc-shaped protrusion and the arc-shaped groove structure;

[0022] (2) The present invention sets a first connecting part at the first extrusion roller. Through the setting of the tooth groove, the rotation locking of the first connecting part during insertion can be controlled, thereby preventing the first extrusion roller and the second extrusion roller from rolling when the film is clamped, ensuring the stability of the clamping. At the same time, the adjustable rotation form makes it possible to adjust the tension of the film connection after clamping the film connection by controlling the rotation of the first extrusion roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 It is a front view of the overall structure of the present invention.

[0025] Figure 3 It is a top view of the overall structure of the present invention.

[0026] Figure 4 It is a structural side view of the whole invention.

[0027] Figure 5 It is a rear view of the overall structure of the present invention.

[0028] Figure 6 It is a schematic diagram of the structural connection of the first clamping plate, the second clamping plate and the spring mechanism of the present invention.

[0029] Figure 7 It is a front view of the structural connection of the first clamping plate, the second clamping plate and the spring mechanism of the present invention.

[0030] Figure 8It is a schematic diagram of the structural explosion of the first extrusion part of the present invention.

[0031] Fig. 9 It is a schematic diagram of the structural explosion of the second extrusion part of the present invention.

[0032] In the figure: 1, first clamping plate; 101, rotating frame; 2, second clamping plate; 3, torsion spring; 4, supporting shaft; 5, first connecting strip; 501, first insertion hole; 502, tooth groove; 6, second connecting strip; 601, second insertion hole; 7, first extrusion roller; 701, arc-shaped protrusion; 8, second extrusion roller; 801, arc-shaped groove; 9, connecting block; 901, tooth mouth; 902, driving button block; 903, insertion column; 904, docking strip; 10, first connecting rod; 1001, insertion slot; 1002, docking slot; 11, second connecting rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The present invention provides Figure 1-9 The plastic film lossless connector shown in the figure comprises a first clamping plate 1 and a second clamping plate 2, wherein the middle parts of the first clamping plate 1 and the second clamping plate 2 are hinged to each other, and further comprises:

[0035] A spring mechanism is provided at the hinge of the first clamping plate 1 and the second clamping plate 2. The spring mechanism supports the hinge of the first clamping plate 1 and the second clamping plate 2 to close one end of the two.

[0036] Specifically, a rotating frame 101 is provided at the bottom of the first clamping plate 1, and the rotating frame 101 is connected to the middle of the second clamping plate 2 for transmission. A supporting shaft 4 is connected between the rotating frame 101 and the middle of the second clamping plate 2, and the supporting shaft 4 is used to set the spring mechanism.

[0037] Furthermore, the spring mechanism includes a torsion spring 3 , which is sleeved on the middle of the supporting shaft 4 , and two ends of the torsion spring 3 are respectively supported on the bottom end of the first clamping plate 1 and the top end of the second clamping plate 2 .

[0038] It should be noted that the first clamp plate 1, the second clamp plate 2, the torsion spring 3 and the supporting shaft 4 together constitute a spring clamp structure, which is supported by the torsion spring 3 so that the supported ends of the first clamp plate 1 and the second clamp plate 2 will be tilted, and the other ends of the first clamp plate 1 and the second clamp plate 2 will rotate and close with the support of the supporting shaft 4.

[0039] The extrusion mechanism is arranged at one end where the first clamping plate 1 and the second clamping plate 2 are closed to each other. The extrusion mechanism includes a first extrusion piece and a second extrusion piece. The first extrusion piece is arranged at one end of the first clamping plate 1, and the second extrusion piece is arranged at one end of the second clamping plate 2. The first extrusion piece cooperates with the second extrusion piece for lossless extrusion connection of the plastic film.

[0040] Specifically, a plurality of first connecting strips 5 are provided at one end of the first clamping plate 1 located at the closed end, a plurality of second connecting strips 6 are provided at one end of the second clamping plate 2 located at the closed end, the plurality of first connecting strips 5 and the plurality of second connecting strips 6 are respectively symmetrically arranged along the horizontal and longitudinal directions, the first extrusion piece is rotatably inserted and connected between opposite sides of the plurality of first connecting strips 5, and the second extrusion piece is rotatably inserted and connected between opposite sides of the plurality of second connecting strips 6;

[0041] It should be noted that the first connecting strip 5 and the second connecting strip 6 are respectively arranged to extend the closed ends of the first clamping plate 1 and the second clamping plate 2. Such a structural arrangement provides an extended clamping space at the closed ends of the first clamping plate 1 and the second clamping plate 2, thereby realizing the rotational interlacing connection of the first extrusion component and the second extrusion component.

[0042] The first extrusion member includes a first extrusion roller 7, which is rotatably connected between the opposite sides of multiple first connecting strips 5. The second extrusion member includes a second extrusion roller 8, which is rotatably connected between the opposite sides of multiple second connecting strips 6. A first connecting portion is interspersed between the first extrusion roller 7 and the multiple first connecting strips 5, and a second connecting portion is interspersed between the second extrusion roller 8 and the multiple second connecting strips 6.

[0043] Furthermore, a plurality of arc-shaped protrusions 701 are disposed around the outer wall of the first extrusion roller 7 , and a plurality of arc-shaped grooves 801 are disposed around the outer wall of the second extrusion roller 8 . The plurality of arc-shaped protrusions 701 are respectively meshed with the plurality of arc-shaped grooves 801 .

[0044] It should be noted that the convex curvature of the arc-shaped protrusion 701 is matched with the concave curvature of the arc-shaped groove 801. Under such structural coordination, when the connection of the film is placed between the first extrusion roller 7 and the second extrusion roller 8, the raised ends of the first clamping plate 1 and the second clamping plate 2 are first pressed. At this time, the torsion spring 3 is elastically deformed after being squeezed. At the same time, under the support of the supporting shaft 4, the closed ends of the first clamping plate 1 and the second clamping plate 2 are turned over. At this time, driven by the first clamping plate 1 and the second clamping plate 2, the first connecting strip 5 and the second connecting strip 6 can be turned over synchronously, and will drive the first extrusion roller 7 and the second extrusion roller 8 to turn over and open. At this time, the connection of the film is placed between the first extrusion roller 7 and the second extrusion roller 8;

[0045] Release the pressure on the raised ends of the first clamping plate 1 and the second clamping plate 2. At this time, the torsion spring 3 recovers due to the restoring force, and it will support the first clamping plate 1 and the second clamping plate 2 so that the two will reverse under the support of the supporting shaft 4. At this time, the first clamping plate 1 and the second clamping plate 2 are driven by the first connecting strip 5 and the second connecting strip 6 to make the first squeezing roller 7 and the second squeezing roller 8 rotate and close. At this time, the first squeezing roller 7 and the second squeezing roller 8 will clamp the connection of the film, and at the same time, the arc-shaped protrusion 701 and the arc-shaped groove 801 are used to squeeze and clamp the connection of the film.

[0046] Furthermore, a first insertion hole 501 is formed in the middle of each of the first connecting strips 5, and a tooth groove 502 is formed on one side of one of the first connecting strips 5 and passes through the first insertion hole 501, and the first insertion hole 501 and the tooth groove 502 are used for rotation and locking when the first connecting part is inserted;

[0047] The first connecting portion comprises:

[0048] A first connecting rod 10, the first connecting rod 10 passes through one of the first insertion holes 501 and is inserted and connected with the middle of the first extrusion roller 7, a insertion slot 1001 is formed at the insertion end of the first connecting rod 10 and the first extrusion roller 7, and a plurality of docking slots 1002 are formed around the inner wall of the insertion slot 1001;

[0049] A connecting block 9, the outer wall of the connecting block 9 is surrounded by a tooth opening 901, the connecting block 9 is meshed with the inner wall of the tooth groove 502 through the tooth opening 901, one end of the connecting block 9 is fixedly connected to a driving button block 902, and the other end of the connecting block 9 is fixedly connected to an insertion column 903, the insertion column 903 is slidably inserted and connected with the inner wall of the insertion slot 1001, and a plurality of docking strips 904 are arranged around the outer wall of the insertion column 903, and the plurality of docking strips 904 are respectively slidably inserted and connected with the plurality of docking slots 1002.

[0050] It should be noted that the first connecting rod 10 and the first extrusion roller 7 are fixed at the intersection, so that the first connecting rod 10 is used to support the rotation of the first extrusion roller 7. Therefore, the length of the first connecting rod 10 is the same as the sum of the width of the first connecting strip 5 and the length of the first extrusion roller 7, and the connecting block 9 is docked and inserted with the insertion slot 1001 of the first connecting rod 10 through the insertion column 903. At this time, the length of the insertion column 903 is one third of the length of the first extrusion roller 7. When the insertion column 903 and the insertion slot 1001 are inserted and connected, the insertion connection between the docking strip 904 and the docking groove 1002 is utilized, so that the docking groove 1002 utilizes the mortise and tenon type insertion and docking with the docking strip 904 to ensure that the connecting block 9 and the first connecting rod 10 are docked to form an axial rod structure, thereby cooperating with the first connecting strip 5 to support the first extrusion roller 7 when it rotates.

[0051] By meshing between the tooth opening 901 at the connecting block 9 and the tooth groove 502, a rotational lock is formed between the connecting block 9 and the first connecting strip 5, so that the connecting block 9 cannot rotate. Under such structural cooperation, through the cooperation of the docking strip 904 and the docking groove 1002, the first connecting rotating rod 10 cannot rotate, and thus the first extrusion roller 7 will not rotate.

[0052] When it is necessary to adjust the rotation of the first extrusion roller 7, first pull the connecting block 9 in the direction away from the first connecting strip 5, so that the tooth mouth 901 of the connecting block 9 is completely disengaged from the tooth groove 502, but there is no need to disengage the insertion column 903 from the insertion slot 1001. At this time, there is still an insertion connection between the docking strip 904 and the docking groove 1002. When it is necessary to adjust the rotation angle of the first extrusion roller 7, the insertion column 903 uses the cooperation between the docking strip 904 and the docking groove 1002 to drive the first connecting rod 10 to rotate. Under such a structural setting, the setting angle of the first extrusion roller 7 can be adjusted. After the rotation adjustment is completed, the connecting block 9 is inserted back into the first insertion hole 501, and after the tooth mouth 901 and the tooth groove 502 are docked and engaged, the rotation position of the first extrusion roller 7 is locked.

[0053] Furthermore, the middle parts of the plurality of second connecting strips 6 are each provided with a second insertion hole 601, and the second connecting portion is inserted and connected to the middle parts of the plurality of second insertion holes 601;

[0054] The second connecting portion includes a second connecting rod 11 , both ends of which are rotatably and interlacedly connected with the plurality of second insertion holes 601 , and a middle portion of the second connecting rod 11 is interlacedly connected with a middle portion of the second squeezing roller 8 .

[0055] It should be noted that, under the support and guidance of the second connecting rod 11, the intersection of the second connecting rod 11 and the second extrusion roller 8 is fixed, so that the second extrusion roller 8 can rotate freely. When the first extrusion roller 7 and the second extrusion roller 8 are fitted with each other, the arc-shaped protrusion 701 and the arc-shaped groove 801 are interlaced and matched. After the first extrusion roller 7 is locked, the second extrusion roller 8 will also be locked, so that the first extrusion roller 7 and the second extrusion roller 8 can squeeze and close the connection of the film.

[0056] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic film lossless connector, comprising a first clamping plate (1) and a second clamping plate (2), wherein the middle parts of the first clamping plate (1) and the second clamping plate (2) are hinged to each other, characterized in that: Also includes: A spring mechanism, the spring mechanism being arranged at the hinge of the first clamping plate (1) and the second clamping plate (2), the spring mechanism being used to close one end of the first clamping plate (1) and the second clamping plate (2) by supporting the hinge of the first clamping plate (1) and the second clamping plate (2); An extrusion mechanism is provided at one end where a first clamping plate (1) and a second clamping plate (2) are closed to each other. The extrusion mechanism comprises a first extrusion member and a second extrusion member. The first extrusion member is provided at one end of the first clamping plate (1), and the second extrusion member is provided at one end of the second clamping plate (2). The first extrusion member cooperates with the second extrusion member for lossless extrusion connection of plastic films.

2. A plastic film lossless connector according to claim 1, characterized in that: A rotating frame (101) is arranged at the bottom of the first clamping plate (1), and the rotating frame (101) is connected to the middle part of the second clamping plate (2) in a transmission manner. A supporting shaft (4) is connected between the rotating frame (101) and the middle part of the second clamping plate (2), and the supporting shaft (4) is used to set a spring mechanism.

3. A plastic film lossless connector according to claim 2, characterized in that: The spring mechanism comprises a torsion spring (3), which is sleeved on the middle part of the supporting shaft (4), and the two ends of the torsion spring (3) are respectively supported on the bottom end of the first clamping plate (1) and the top end of the second clamping plate (2).

4. A plastic film lossless connector according to claim 1, characterized in that: The first clamping plate (1) is provided with a plurality of first connecting strips (5) at one end of the closed portion, and the second clamping plate (2) is provided with a plurality of second connecting strips (6) at one end of the closed portion. The plurality of first connecting strips (5) and the plurality of second connecting strips (6) are symmetrically arranged along the horizontal and longitudinal directions, respectively. The first extruded member is rotatably inserted and connected between opposite sides of the plurality of first connecting strips (5), and the second extruded member is rotatably inserted and connected between opposite sides of the plurality of second connecting strips (6).

5. A plastic film lossless connector according to claim 4, characterized in that: The first extrusion member comprises a first extrusion roller (7), the first extrusion roller (7) is rotatably connected between opposite sides of a plurality of first connecting strips (5), the second extrusion member comprises a second extrusion roller (8), the second extrusion roller (8) is rotatably connected between opposite sides of a plurality of second connecting strips (6), a first connecting portion is interlaced between the first extrusion roller (7) and the plurality of first connecting strips (5), and a second connecting portion is interlaced between the second extrusion roller (8) and the plurality of second connecting strips (6).

6. A plastic film lossless connector according to claim 5, characterized in that: The outer wall of the first extrusion roller (7) is surrounded by a plurality of arc-shaped protrusions (701), and the outer wall of the second extrusion roller (8) is surrounded by a plurality of arc-shaped grooves (801), and the plurality of arc-shaped protrusions (701) are respectively meshed with the plurality of arc-shaped grooves (801).

7. A plastic film lossless connector according to claim 5, characterized in that: A first insertion hole (501) is provided in the middle of each of the plurality of first connecting strips (5), and a tooth groove (502) is provided on one side of one of the first connecting strips (5) and passes through the first insertion hole (501), and the first insertion hole (501) and the tooth groove (502) are used for rotation and locking when the first connecting part is inserted.

8. A plastic film lossless connector according to claim 7, characterized in that: The first connecting portion comprises: A first connecting rotating rod (10), the first connecting rotating rod (10) passes through one of the first insertion holes (501) and is inserted and connected with the middle part of the first extrusion roller (7), a insertion slot (1001) is provided at the insertion end of the first connecting rotating rod (10) and the first extrusion roller (7), and a plurality of docking slots (1002) are provided around the inner wall of the insertion slot (1001); A connecting block (9), wherein a tooth opening (901) is provided around the outer wall of the connecting block (9), and the connecting block (9) is meshed with the inner wall of the tooth groove (502) through the tooth opening (901); one end of the connecting block (9) is fixedly connected to a driving button block (902), and the other end of the connecting block (9) is fixedly connected to an insertion column (903), and the insertion column (903) is slidably inserted and connected with the inner wall of the insertion slot (1001); a plurality of docking strips (904) are provided around the outer wall of the insertion column (903), and the plurality of docking strips (904) are respectively slidably inserted and connected with the plurality of docking slots (1002).

9. A plastic film lossless connector according to claim 5, characterized in that: A second insertion hole (601) is provided in the middle of each of the plurality of second connection strips (6), and the second connection portion is inserted and connected in the middle of the plurality of second insertion holes (601).

10. A plastic film lossless connector according to claim 9, characterized in that: The second connecting portion comprises a second connecting rotating rod (11), the two ends of which are respectively rotatably and interlacedly connected with a plurality of second interlacing holes (601), and the middle portion of the second connecting rotating rod (11) is interlacedly connected with the middle portion of the second extrusion roller (8).

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