CN114908879B - Leak protection sealing connection structure who uses in ETFE membrane material - Google Patents
Leak protection sealing connection structure who uses in ETFE membrane material Download PDFInfo
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- CN114908879B CN114908879B CN202210629907.9A CN202210629907A CN114908879B CN 114908879 B CN114908879 B CN 114908879B CN 202210629907 A CN202210629907 A CN 202210629907A CN 114908879 B CN114908879 B CN 114908879B
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- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 title claims abstract description 84
- 239000012528 membrane Substances 0.000 title claims abstract description 71
- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 title claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 8
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- 238000000034 method Methods 0.000 description 7
- 230000001154 acute effect Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 3
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- 230000001360 synchronised effect Effects 0.000 description 2
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- 239000004566 building material Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a leak-proof sealing connection structure in an ETFE membrane material, which comprises a structural bottom plate positioned on one side of the ETFE membrane material, wherein the structural bottom plate is shaped like a Chinese character 'ji', the opening of the structural bottom plate faces to the ETFE membrane material, and turning edges on the contact surface of the structural bottom plate and the ETFE membrane material are all rounded corners; a pressing mechanism is arranged above the structural bottom plate positioned on the other side of the ETFE membrane material, the pressing mechanism comprises two pressing strips parallel to the long edge of the structural bottom plate, the two pressing strips are symmetrically arranged on two sides of the structural bottom plate, the pressing strips are in contact with the corner of the lower end of the structural bottom plate, and arc rubber is fixedly arranged on the contact surface of the pressing strips and the structural bottom plate; the invention effectively solves the problems that the existing ETFE membrane material leakage-proof sealing connection structure increases along with the use time, and after the support structure and the fixed structure are used for a long time, the sealant between the support structure and the fixed structure is aged, so that a sealed cavity is communicated with the outside, and the air leakage is caused, and finally the sealing structure is failed.
Description
Technical Field
The invention relates to the technical field of leak-proof sealing in an ETFE membrane material, in particular to a leak-proof sealing connection structure used in the ETFE membrane material.
Background
The advent of ETFE membranes provided an innovative solution for modern construction. The roof and the wall made of the film material are light in weight and only have the mass of glass with the same size; the product has good toughness, high tensile strength, difficult tearing and ductility larger than that; high weather resistance and chemical corrosion resistance, high melting temperature and no spontaneous combustion.
As ETFE membranes for building materials for large-scale competition venues, they are also more advantageous in that they can be processed into any size and shape, meet the demand for large spans, and save intermediate support structures. As a material used after inflation, the light shading degree and the light transmittance can be adjusted by controlling the inflation amount, so that natural light is effectively utilized, energy is saved, and meanwhile, the heat insulation effect is achieved.
Current ETFE membrane material leak protection sealing connection structure, adopt the fixed knot who has the cavity to press the ETFE membrane on supporting mechanism usually in fixed position with bearing structure, the leakproofness that the rethread cavity formed, adopt the means of perforating, pass the cavity inside again and pass ETFE membrane final fixed the setting on supporting structure, make the ETFE membrane pressed inside sealed cavity by the position of perforating, thereby accomplish sealedly, but this kind of mode increases along with the live time, bearing structure and fixed knot construct the back of using for a long time, ageing phenomenon can appear in sealed glue between the two, thereby make sealed cavity and external switch on, thereby the problem of gas leakage appears, finally the problem of seal structure inefficacy has been led to.
Based on the structure, the invention designs the sealing connection structure for preventing the leakage in the ETFE membrane material so as to solve the problems.
Disclosure of Invention
The invention aims to provide a sealing connection structure for preventing leakage in an ETFE membrane material, which aims to solve the problems of the prior art in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a leak-proof sealing connection structure used in an ETFE membrane material comprises a structure bottom plate positioned on one side of the ETFE membrane material, wherein the structure bottom plate is in a shape like a Chinese character 'ji', the opening of the structure bottom plate faces to the ETFE membrane material, and turning edges on the contact surface of the structure bottom plate and the ETFE membrane material are all rounded corners;
be located ETFE membrane material opposite side structure bottom plate top is provided with hold-down mechanism, hold-down mechanism includes two layering parallel with the long limit of structure bottom plate, two layering symmetrical arrangement is in structure bottom plate both sides, the layering contacts with structure bottom plate lower extreme turning, it is provided with circular arc rubber, two to fix on layering and the structure bottom plate contact surface be provided with the sideslip mechanism that is used for driving the layering to balanced the removal of structure bottom plate lower extreme.
As a further scheme of the invention, the transverse moving mechanism comprises a plurality of first shafts, the first shafts are arranged along the central line array of the structural bottom plate, two crossed second plates are rotatably arranged at the outer ends of the first shafts, the first shafts are rotatably arranged at the middle points of the two second plates, two ends of each second plate are respectively rotatably provided with a second shaft, every two adjacent second plates are hinged with each other through the second shaft, and the lower end of each second shaft is provided with a limiting mechanism for clamping a pressing strip.
As a further scheme of the invention, the limiting mechanism comprises a plurality of cylindrical plates, each cylindrical plate is fixedly arranged at the lower end of the second shaft, a stepped long groove is formed in each pressing strip, the upper end of each stepped long groove is narrow, and the lower end of each stepped long groove is wide, the upper end and the lower end of each cylindrical plate are arranged on the upper wall and the lower wall of a wide groove at the lower end of each stepped long groove in a contact manner, the second shaft is arranged on the side wall at the upper end of each stepped long groove in a contact manner, and a driving mechanism for driving the adjacent first shaft to move away from the first shaft is arranged at the lower end of the first shaft in the middle.
As a further scheme of the invention, the driving mechanism comprises a long plate, the long plate is fixedly arranged at the lower end of a first shaft in the middle, the long plate is positioned in the center of the right upper part of the structural bottom plate, two long circular through grooves are respectively formed in two ends of the long plate, the two first shafts adjacent to the first shaft in the center of the long plate are respectively arranged in the long circular through grooves in a sliding manner, the side walls of the upper ends of the two first shafts positioned in the long circular through grooves are horizontally and rotatably provided with a cross shaft, two third plates are rotatably arranged on the outer walls of two sides of each cross shaft, one end of each group of third plates, which is far away from the cross shaft, is rotatably provided with the same fourth plate, and the fourth plate is provided with a power mechanism for driving the fourth plates to descend so that the three first shafts are far away.
As a further scheme of the invention, the power mechanism comprises a round hole formed in the center of the fourth plate, the first shaft in the center of the long plate penetrates through the fourth plate and is sleeved in the round hole, the outer wall of the first shaft is provided with threads, the first shaft penetrates through the round hole, the upper end of the first shaft is in threaded connection with a first bolt, and the outer wall of the first shaft positioned at the upper end of the first bolt is in threaded connection with a second bolt.
As a further scheme of the invention, two second plates positioned in the center of the lower end of the long plate are provided with orientation mechanisms for limiting the movement of the pressing strips along the long edge direction;
the directional mechanism comprises first bevel gears which are coaxially and fixedly arranged at the upper ends of four second shafts respectively, the outer end of each first bevel gear is meshed with a bevel gear rod, the four bevel gear rods are rotatably connected to the upper end face of the second plate respectively, and synchronizing mechanisms for driving the bevel gear rods on the same second plate to rotate in the same direction are arranged at the ends, close to each other, of the four bevel gear rods.
As a further scheme of the present invention, the synchronizing mechanism includes bevel gears respectively fixedly disposed at mutually adjacent ends of the bevel gear bars, a rotating sleeve is rotatably disposed at the outer end of the first shaft at the center of the long plate, two circular truncated cone toothed plates are respectively fixedly disposed on the upper and lower end surfaces of the rotating sleeve, wherein the bevel gears at the ends of the two bevel gear bars on the same second plate are engaged with the same circular truncated cone toothed plate, a first tooth is disposed on the outer side wall of the cylindrical plate, a second tooth is disposed on the side wall of the lower end of each stepped long groove, and the first tooth is engaged with the second tooth.
As a further scheme of the invention, an antifriction coating which reduces friction and prolongs the service life of equipment is adopted on the contact surface of the second shaft and the step long groove.
Compared with the prior art, the invention has the beneficial effects that:
the ETFE membrane is integrally pressed on the structural bottom plate by using the transverse moving mechanism to be pressed into an approximate ohm symbol under the shape effect of the pressing strip and the structural bottom plate, and the transverse moving mechanism, the pressing strip and the structural bottom plate press the ETFE membrane between the pressing strip, the structural bottom plate and the ETFE membrane, and the pressing strip, the structural bottom plate and the ETFE membrane are kept in a static state by friction force formed by extrusion among the pressing strip, the structural bottom plate and the ETFE membrane, so that the problems that the ETFE membrane needs to be perforated by the conventional sealing connection mechanism, a sealing rubber strip of the sealing connection structure is aged after long-time use, and the ETFE membrane leaks from an original perforated position are solved.
According to the invention, the driving mechanism works to drive the plurality of first shafts to be away from each other, so that acute angles and obtuse angles of the second plate are switched, and the cutter bar is extended, so that the second shaft drives the cylindrical plate to be clamped in the wide groove at the lower end of the long stepped groove to move from slow to fast, and the transverse stress of the extrusion direction of the pressing strip and the structural bottom plate is more uniform, so that the structural strength is improved, the problem that the ETFE membrane slides and breaks due to the fact that the pressure between the pressing strip and the structural bottom plate is not uniform is solved, the pressing strip moves from fast to slow towards the lower end face close to the ETFE membrane and the side plate of the structural bottom plate, the slow pressing effect is achieved, and the problem that the ETFE membrane is damaged due to the fact that the impact force between the structural bottom plate and the pressing strip is large in the pressing process is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a side plan view of a schematic partial cross-sectional structure of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3 at C according to the present invention;
FIG. 6 is a schematic side elevational view, partially in section, of the tip of the present invention;
FIG. 7 is an enlarged view of the structure shown at D in FIG. 6 according to the present invention;
FIG. 8 is a schematic view of the overall structure of the present invention from a side view to a bottom view.
In the drawings, the components represented by the respective reference numerals are listed below:
the structure comprises a structure bottom plate 10, a fillet 11, a pressing strip 12, arc rubber 13, a first shaft 16, a second plate 17, a second shaft 18, a cylindrical plate 19, a stepped long groove 20, a long plate 22, a long circular through groove 23, a transverse shaft 24, a third plate 25, a fourth plate 26, a circular hole 27, a first bolt 29, a second bolt 30, a first bevel gear 33, a bevel gear rod 34, a bevel gear 35, a rotating sleeve 36, a circular truncated cone toothed plate 37, first teeth 38 and second teeth 39.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a leak-proof sealing connection structure used in an ETFE membrane material comprises a structure bottom plate 10 positioned on one side of the ETFE membrane material, wherein the structure bottom plate 10 is shaped like a Chinese character 'ji', the opening of the structure bottom plate 10 faces to the ETFE membrane material, and turning edges on the contact surface of the structure bottom plate 10 and the ETFE membrane material are all provided with a round angle 11;
a pressing mechanism is arranged above the structural bottom plate 10 on the other side of the ETFE membrane, the pressing mechanism comprises two pressing strips 12 parallel to the long side of the structural bottom plate 10, the two pressing strips 12 are symmetrically arranged on two sides of the structural bottom plate 10, the pressing strips 12 are in contact with the corners of the lower end of the structural bottom plate 10, arc rubber 13 is fixedly arranged on the contact surfaces of the pressing strips 12 and the structural bottom plate 10, and a transverse moving mechanism used for driving the pressing strips to move towards the lower end of the structural bottom plate 10 in a balanced manner is arranged at the upper ends of the two pressing strips 12.
When the invention is used, as shown in fig. 1, for convenience of description, the upper side of the device is seen from the upper right to the lower left in fig. 1, the front end of the device is seen from the lower right to the upper left in the drawing, and the equipment orientation is used for description, so that in the actual use process, the length direction of the structural bottom plate 10 is not limited according to the building shape, and the normal sealing of the invention is not influenced;
when the invention is used, after the structural bottom plate 10 is welded, the whole frame of the structural bottom plate 10 is polished to avoid burrs, after the burrs are removed, the ETFE membrane is placed at the opening end of the structural bottom plate 10, namely, the upper end of the structural bottom plate 10, the ETFE membrane is kept to cling to the upper end surface of the inverted U-shaped upper end of the structural bottom plate 10, the pressing strip 12 is pressed to the upper end of the ETFE membrane, the ETFE membrane is continuously pressed down, the part of the ETFE membrane positioned on the structural bottom plate 10 is high, the ETFE membrane is in a right U-shaped position, then the transverse moving mechanism is started, the two pressing strips 12 move towards the lower ends of the two inverted U-shaped upper side plates of the structural bottom plate 10, the ETFE membrane is pressed onto the lower end surfaces of the two side plates at the upper end of the structural bottom plate 10 until the pressing strip 12 is completely pressed onto the bottom surfaces of the side plates of the structural bottom plate 10, the circular rubber 13 is pressed onto the bottom surfaces of the side plates of the structural bottom plate 10 (the circular rubber 13 can avoid scratching the ETFE membrane, in addition, a deformable factor can be formed between the ETFE film and the ETFE film, so that the ETFE film can slide to a certain extent in the later expansion and contraction process, the problems that the ETFE film is stretched for a long time and contracted under the condition of uneven cooling and heating, and the ETFE film is damaged are solved), the cross section of the ETFE film on the structural bottom plate 10 is pressed into a shape similar to an ohm symbol, and then the ETFE film and the arc rubber 13 are mutually static through the friction force generated after the mutual extrusion between the ETFE film of the structural bottom plate 10 and the arc rubber 13, so that the fixing process is completed, and the ETFE film is not required to be punched on the ETFE film, wherein the round angle 11 can slide quickly when the ETFE film is extruded and deformed between the structural bottom plate 10 and the pressing strip 12, so that the problem that the ETFE film is locally compressed to be pulled and the ETFE film is damaged is solved;
according to the invention, the inverted-V-shaped structural bottom plate 10 is used as a supporting structure, the two pressing strips 12 are driven by the transverse moving mechanism to move towards the lower end of the side plate of the structural bottom plate 10, so that an ETFE membrane is integrally pressed on the structural bottom plate 10, the ETFE membrane is pressed to be similar to an ohm symbol under the shape effect of the pressing strips 12 and the structural bottom plate 10, the transverse moving mechanism, the pressing strips 12 and the structural bottom plate 10 press the ETFE membrane between the ETFE membrane and the pressing strips 12, and the structural bottom plate 10 and the ETFE membrane are pressed to be in a static state through friction force formed by extrusion of the pressing strips 12, the structural bottom plate 10 and the ETFE membrane, so that the problem that the ETFE membrane leaks air from an original opening due to the fact that the sealing rubber strips of the existing sealing connection mechanism need to be opened, and the sealing rubber strips of the sealing connection structure are aged after long-time use is effectively solved.
As a further scheme of the invention, the traversing mechanism comprises a plurality of first shafts 16, the first shafts 16 are arrayed along the central line of the structural bottom plate 10, the outer end of each first shaft 16 is rotatably provided with two crossed second plates 17, the first shafts 16 are rotatably arranged at the midpoint positions of the two second plates 17, two ends of each second plate 17 are respectively rotatably provided with a second shaft 18, every two adjacent second plates 17 are hinged with each other through the second shaft 18, and the lower end of each second shaft 18 is provided with a limiting mechanism for clamping the pressing bar 12; the limiting mechanism comprises a plurality of cylindrical plates 19, each cylindrical plate 19 is fixedly arranged at the lower end of the second shaft 18, a step long groove 20 is formed in each pressing strip 12, the upper end of each step long groove 20 is narrow, the lower end of each step long groove 20 is wide, the upper end and the lower end of each cylindrical plate 19 are arranged on the upper wall and the lower wall of a wide groove at the lower end of each step long groove 20 in a contact mode, the second shaft 18 is arranged at the lower end of the first shaft 16 in the middle of the side wall at the upper end of each step long groove 20 in a contact mode, and a driving mechanism for driving the adjacent first shaft 16 to move away is arranged at the lower end of the first shaft 16;
when the invention is used, as shown in fig. 1 and 2 (two second plates 17 outside each first shaft 16, and the adjacent second plates 17 are hinged by a second shaft 18, and a cylindrical plate 19 at the lower end of the second shaft 18 is clamped in a stepped long groove 20 formed in each pressing strip 12, so that the left and right pressing strips 12 are connected to the second plates 17 by the second shaft 18, and the plurality of first shafts 16, the second plates 17 and the second shafts 18 form a scissor bar effect), the driving mechanism works to make each first shaft 16 away from each other, so that acute angles of the two second plates 17 at the outer ends of the first shafts 16 begin to increase, obtuse angles begin to decrease, the outer ends of the second plates 17 begin to approach the first shafts 16, and the second shafts 18 move towards the two ends of the pressing strips 12 along the stepped long grooves 20 of the pressing strips 12, and the second shafts 18 at the extreme ends move at the fastest speed, so that the cylindrical plates 19 are clamped in the wide grooves at the lower ends of the stepped long grooves 20 to move, therefore, the sealing device is unfolded, when the pressing strip 12 is close to the structural bottom plate 10, the second plate 17 is pressed downwards, the second plate 17 can be pressed on the ETFE membrane, the ETFE membrane is pressed on the upper end of the structural bottom plate 10, the pressing strip 12 can be pressed on the bottom end face of the side plate of the structural bottom plate 10 finally along with the continuous work of the driving mechanism, so that the sealing work is completed, as shown in figures 1 and 3, the first shafts 16 are gathered together at the beginning, so that all the second plates 17 are close together, so as to facilitate the high-altitude operation, after the driving mechanism works, the distances among the first shafts 16 are increased, so that the second plates 17 forming the shearing rod move towards the two ends of the pressing strip 12 quickly, the second shafts 18 move towards the two ends of the pressing strip 12 at higher and higher speeds, so that the transverse stress of the pressing strip 12 and the structural bottom plate 10 in the pressing direction is more uniform, so as to improve the structural strength, the extrusion force between the pressing strip 12 and the structural bottom plate 10 is kept balanced, the problem that the extrusion force between the pressing strip 12 and the structural bottom plate 10 is uneven, so that the friction force between the ETFE membrane and the ETFE membrane is different, the ETFE membrane slides locally and is damaged is solved, meanwhile, the acute angle between two adjacent second plates 17 hinged through the second shaft 18 on one first shaft 16 is not larger and larger until the acute angle is switched to an obtuse angle, the second shaft 18 drives the pressing strip 12 to move towards the structural bottom plate 10, the speed is slower and slower, the slow pressing effect is achieved, and the problem that the ETFE membrane is damaged due to larger impact force between the structural bottom plate 10 and the pressing strip 12 in the pressing process is solved;
according to the invention, the driving mechanism works to drive the plurality of first shafts 16 to be away from each other, so that the acute angles and the obtuse angles of the second plates 17 are switched, and the extension movement of the cutter bar is carried out, so that the second shaft 18 drives the cylindrical plate 19 to be clamped in the wide groove at the lower end of the stepped long groove 20 to move from slow to fast, the transverse stress of the extrusion direction of the pressing strip 12 and the structural bottom plate 10 is more uniform, the structural strength is improved, the problem that the ETFE membrane slides and breaks due to the fact that the pressure between the pressing strip 12 and the structural bottom plate 10 is not uniform is avoided, the pressing strip 12 moves from fast to slow towards the lower end face close to the ETFE membrane and the side plate of the structural bottom plate 10, the slow pressing effect is achieved, and the problem that the ETFE membrane is damaged due to the fact that the impact force between the structural bottom plate 10 and the pressing strip 12 is large in the pressing process is avoided.
As a further scheme of the invention, the driving mechanism comprises a long plate 22, the long plate 22 is fixedly arranged at the lower end of the middle first shaft 16, the long plate 22 is positioned at the center right above the structural bottom plate 10, two long circular through grooves 23 are respectively formed at two ends of the long plate 22, the two first shafts 16 adjacent to the first shaft 16 in the center of the long plate 22 are respectively arranged in the long circular through grooves 23 in a sliding manner, lateral shafts 24 are horizontally and rotatably arranged on the side walls of the upper ends of the two first shafts 16 positioned in the long circular through grooves 23, two third plates 25 are rotatably arranged on the outer walls of two sides of each lateral shaft 24, one end of each group of the third plates 25 far away from the lateral shaft 24 is rotatably provided with the same fourth plate 26, and the fourth plate 26 is provided with a power mechanism for driving the fourth plate 26 to descend so as to keep the three first shafts 16 away; the power mechanism comprises a round hole 27 formed in the center of the fourth plate 26, the first shaft 16 in the center of the long plate 22 penetrates through the fourth plate 26 and is sleeved in the round hole 27, the outer wall of the first shaft 16 is provided with threads, the upper end of the first shaft 16 penetrating through the round hole 27 is connected with a first bolt 29 in a threaded manner, and the outer wall of the first shaft 16 positioned at the upper end of the first bolt 29 is connected with a second bolt 30 in a threaded manner;
in the use process of the invention, as shown in fig. 2 and 4, the first bolt 29 is rotated by using a wrench to make the first bolt 29 descend along the thread of the outer wall of the first shaft 16, so that the circular hole 27 of the fourth plate 26 descends along the outer wall of the first shaft 16, so that the angle of the upper end of the triangle formed between the fourth plate 26 and the transverse shafts 24 of the two adjacent side walls of the first shaft 16 is larger, the upper end of the third plate 25 descends, the adjacent first shaft 16 is pushed by the transverse shaft 24 at the lower end to move away from the central first shaft 16 to slide in the oblong groove 23 (play a role of direction guiding), so as to enlarge the distance between the first shafts 16, so that the first shafts 16 on the long-length plates 22 move towards the two ends of the structural bottom plate 10, so as to unfold the second shafts 18, after the structural bottom plate 10 is pressed by the pressing strip 12, the second bolt 30 is rotated by using the wrench, so that the second bolt 30 rotates to form an extrusion force with the first bolt 29, the two bolts are locked, so as to avoid loosening in long-term use, and then the pressing strip 12 and the threads on the outer wall of the first shaft 16 are pressed downwards to drive one hand to adjust the pressing force with the bottom plate 10 without self-locking, so as to avoid the existence of the pressing force, and the pressing strip is loosened in use; further make vibrations littleer, avoid the problem of collision.
As a further scheme of the invention, two second plates 17 positioned in the center of the lower end of the long plate 22 are provided with orientation mechanisms for limiting the movement of the pressing strips 12 along the long edge direction;
the orientation mechanism comprises first bevel gears 33 which are coaxially and fixedly arranged at the upper ends of the four second shafts 18 respectively, the outer end of each first bevel gear 33 is engaged with a bevel gear rod 34, the four bevel gear rods 34 are respectively and rotatably connected to the upper end surfaces of the second plates 17, and the ends, close to each other, of the four bevel gear rods 34 are provided with synchronous mechanisms for driving the bevel gear rods 34 on the same second plate 17 to rotate in the same direction; the synchronizing mechanism comprises conical gears 35 which are fixedly arranged at the ends of the bevel gear bars 34 close to each other, a rotating sleeve 36 is rotatably arranged at the outer end of the first shaft 16 in the center of the long plate 22, two circular truncated cone toothed plates 37 are fixedly arranged on the upper end surface and the lower end surface of the rotating sleeve 36 respectively, the conical gears 35 at the ends of the two bevel gear bars 34 on the same second plate 17 are meshed with the same circular truncated cone toothed plate 37, first teeth 38 are arranged on the outer side wall of the cylindrical plate 19, second teeth 39 are arranged on the side wall of the lower end of each step long groove 20, and the first teeth 38 are meshed with the second teeth 39;
when the device works, the first teeth 38 are meshed with the second teeth 39, the cylindrical plates 19 on the two sides of the front end and the rear end respectively rotate in the stepped long grooves 20, so that a meshing phenomenon occurs, then the cylindrical plates 19 rotate to drive the first bevel gears 33 to rotate, the first bevel gears 33 rotate to drive the bevel gear rods 34 to rotate, the bevel gear rods 34 rotate to drive the bevel gears 35 to rotate, the bevel gears 35 rotate to drive the circular truncated cone toothed plates 37 to rotate, so that the rotating sleeve 36 rotates on the first shaft 16, and four second shafts 18 around the central first shaft 16 are synchronized, as shown in fig. 4 and 7, wherein the rotating speeds of the second shafts 18 on the same second plate 17 are equal, so that the rotating speeds of the second shafts 18 on the front end and the rear end of the device are the same in the stepped long grooves 20, so that the pressing bar 12 can be kept still all the time, and the problem of transverse movement of the front end and the rear end does not occur; resulting in difficulties in installation.
As a further scheme of the invention, an antifriction coating which reduces friction and prolongs the service life of equipment is adopted on the contact surface of the second shaft 18 and the long stepped groove 20.
Claims (4)
1. The utility model provides a leak protection sealing connection structure who uses in ETFE membrane material which characterized in that: the ETFE membrane material structure comprises a structural bottom plate (10) positioned on one side of an ETFE membrane material, wherein the structural bottom plate (10) is in a shape like a Chinese character 'ji', an opening of the structural bottom plate (10) faces to the ETFE membrane material, and turning edges on a contact surface of the structural bottom plate (10) and the ETFE membrane material all adopt round corners (11);
a pressing mechanism is arranged above the structural bottom plate (10) on the other side of the ETFE membrane, the pressing mechanism comprises two pressing strips (12) parallel to the long side of the structural bottom plate (10), the two pressing strips (12) are symmetrically arranged on two sides of the structural bottom plate (10), the pressing strips (12) are in contact with the corners of the lower end of the structural bottom plate (10), arc rubber (13) is fixedly arranged on the contact surfaces of the pressing strips (12) and the structural bottom plate (10), and a transverse moving mechanism used for driving the pressing strips to move towards the balance of the lower end of the structural bottom plate (10) is arranged at the upper ends of the two pressing strips (12);
the transverse moving mechanism comprises a plurality of first shafts (16), the first shafts (16) are arrayed along the central line of the structural bottom plate (10), two crossed second plates (17) are rotatably arranged at the outer end of each first shaft (16), the first shafts (16) are rotatably arranged at the middle points of the two second plates (17), second shafts (18) are rotatably arranged at the two ends of each second plate (17) respectively, every two adjacent second plates (17) are hinged with each other through the second shafts (18), and a limiting mechanism used for clamping the pressing strips (12) is arranged at the lower ends of the second shafts (18);
the limiting mechanism comprises a plurality of cylindrical plates (19), each cylindrical plate (19) is fixedly arranged at the lower end of the second shaft (18), a step long groove (20) is formed in each pressing strip (12), the upper end of each step long groove (20) is narrow, the lower end of each step long groove (20) is wide, the upper end and the lower end of each cylindrical plate (19) are arranged on the upper wall and the lower wall of a wide groove at the lower end of each step long groove (20) in a contact mode, the second shaft (18) is arranged on the side wall at the upper end of each step long groove (20) in a contact mode, and a driving mechanism used for driving the adjacent first shaft (16) to move away from the lower end of the middle first shaft (16) is arranged at the lower end of the middle of the first shaft;
the driving mechanism comprises a long plate (22), the long plate (22) is fixedly arranged at the lower end of a first shaft (16) in the middle, the long plate (22) is positioned in the center of the structure bottom plate (10) and located right above the structure bottom plate, two long circular through grooves (23) are respectively formed in two ends of the long plate (22), two first shafts (16) adjacent to the first shaft (16) in the center of the long plate (22) are respectively arranged in the long circular through grooves (23) in a sliding mode, lateral shafts (24) are horizontally and rotatably arranged on the side walls of the upper ends of the two first shafts (16) in the long circular through grooves (23), two third plates (25) are rotatably arranged on the outer walls of two sides of each lateral shaft (24), one end, far away from the lateral shaft (24), of each group of the third plates (25) is rotatably provided with the same fourth plate (26), and a power mechanism for driving the fourth plates (26) to descend so that the three first shafts (16) are far away is arranged on the fourth plate (26);
the power mechanism comprises a round hole (27) formed in the center of a fourth plate (26), a first shaft (16) in the center of the long plate (22) penetrates through the fourth plate (26) and is sleeved in the round hole (27), threads are formed in the outer wall of the first shaft (16), the first shaft (16) penetrates through the upper end of the round hole (27) and is connected with a first bolt (29), and a second bolt (30) is connected to the outer wall of the first shaft (16) and is located at the upper end of the first bolt (29).
2. The leak-proof sealing connection structure in the ETFE membrane as claimed in claim 1, wherein: two second plates (17) positioned in the center of the lower end of the long plate (22) are provided with orientation mechanisms for limiting the movement of the pressing strips (12) along the long edge direction;
the orientation mechanism comprises first bevel gears (33) which are coaxially and fixedly arranged at the upper ends of four second shafts (18) respectively, each bevel gear (33) is meshed with a bevel gear rod (34) at the outer end, the four bevel gear rods (34) are rotatably connected to the upper end face of the second plate (17) respectively, and the four bevel gear rods (34) are provided with synchronizing mechanisms which are used for driving the bevel gear rods (34) on the same second plate (17) to rotate in the same direction at the ends which are close to each other.
3. The sealing and connecting structure for preventing the leakage in the ETFE membrane material as claimed in claim 2, wherein: the synchronizing mechanism comprises bevel gears (35) fixedly arranged at the ends of bevel gear rods (34) close to each other, a long plate (22) is arranged at the center of the first shaft (16) outer end, a rotating sleeve (36) is arranged in a rotating mode, two circular truncated cone toothed plates (37) are fixedly arranged on the upper end face and the lower end face of the rotating sleeve (36) respectively, wherein the bevel gears (35) at the ends of the two bevel gear rods (34) on the same second plate (17) are meshed on the same circular truncated cone toothed plate (37), first teeth (38) and each tooth are arranged on the outer side wall of the cylindrical plate (19), second teeth (39) are arranged on the side wall of the lower end of the stepped long groove (20), and the first teeth (38) are meshed with the second teeth (39).
4. The leak-proof sealing connection structure in the ETFE membrane as claimed in claim 3, wherein: and an antifriction coating for reducing friction and prolonging the service life of equipment is adopted on the contact surface of the second shaft (18) and the long stepped groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629907.9A CN114908879B (en) | 2022-06-06 | 2022-06-06 | Leak protection sealing connection structure who uses in ETFE membrane material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629907.9A CN114908879B (en) | 2022-06-06 | 2022-06-06 | Leak protection sealing connection structure who uses in ETFE membrane material |
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| CN114908879A CN114908879A (en) | 2022-08-16 |
| CN114908879B true CN114908879B (en) | 2022-11-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4098035A (en) * | 1977-07-18 | 1978-07-04 | Bessler Edward W | Inflatable storm window |
| CN113457345A (en) * | 2021-07-06 | 2021-10-01 | 深圳市烨兴膜结构工程有限公司 | Gas supply equipment of ETFE membrane structure |
| CN114182869B (en) * | 2021-12-21 | 2022-09-02 | 中国建筑第二工程局有限公司 | ETFE membrane air pillow daylighting roof structure and construction method thereof |
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Address after: 518000 1103 and 1105, anhongji building, No. 56, Tan Luoxin second village, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Yexing Intelligent Space Technology Co.,Ltd. Country or region after: China Address before: 518000 1103 and 1105, anhongji building, No. 56, Tan Luoxin second village, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: YEXIN MEMBRANE STRUCTURE ENGINEERING Co.,Ltd. Country or region before: China |