CN111749338B - Connecting joint of single-layer space latticed shell - Google Patents
Connecting joint of single-layer space latticed shell Download PDFInfo
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- CN111749338B CN111749338B CN202010655042.4A CN202010655042A CN111749338B CN 111749338 B CN111749338 B CN 111749338B CN 202010655042 A CN202010655042 A CN 202010655042A CN 111749338 B CN111749338 B CN 111749338B
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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
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
Abstract
The invention discloses a connecting node of a single-layer space reticulated shell, which comprises a connecting seat and connecting rods, wherein five first connecting grooves are formed in the upper end of the connecting seat at equal intervals, the five first connecting grooves all penetrate through the outer surface of the connecting seat, a shielding cover is arranged at the upper end of the connecting seat, a first screw is inserted and connected in the middle of the upper end of the shielding cover, the shielding cover is fixedly installed with the connecting seat through the first screw, the five connecting rods are arranged, two second connecting grooves are formed in the left ends and the rear ends of the five connecting rods, two second screws are arranged on the left sides of the front ends, the right sides of the front ends, the left sides of the rear ends and the right sides of the rear ends of the five connecting rods, connecting blocks are sleeved in the two second connecting grooves, and blocking blocks are fixedly connected on. According to the connecting node of the single-layer space reticulated shell, the connecting node of the whole single-layer space reticulated shell is convenient to mount and dismount, high in stability, strong in stress capability and long in service life.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a connecting node of a single-layer space latticed shell.
Background
The latticed shell is a space rod system structure similar to a flat net rack, is a space frame which is based on rod pieces, is formed into grids according to a certain rule and is arranged according to a shell structure, and has the properties of a rod system and a shell. The force transmission is characterized in that the force is transmitted point by point through the pulling force, the pressure or the shearing force in two directions in the shell. The structure is a space structure which is very concerned at home and abroad and has wide development prospect. The latticed shell structure comprises a single-layer latticed shell structure, a prestressed latticed shell structure, a slab cone latticed shell structure, a rib ring type cable bearing latticed shell structure, a single-layer fork cylinder latticed shell structure and the like. Even all adopt the form of complete welding to carry out fixed connection in the connected node of current individual layer space reticulated shell structure, because connected node's connecting seat is mostly cambered surface structure, simple welded connection mode makes the atress ability between connecting rod and the connecting seat poor, and stability is weak, and the welding interface exposes for a long time outside for drop easily between connecting rod and the connecting seat, cause the life of individual layer space reticulated shell structure to be low, so, we propose the connected node of a new individual layer space reticulated shell.
Disclosure of Invention
The invention mainly aims to provide a connecting node of a single-layer space latticed shell, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a connecting node of a single-layer space reticulated shell comprises a connecting seat and connecting rods, wherein five first connecting grooves are formed in the upper end of the connecting seat at equal intervals, the five first connecting grooves penetrate through the outer surface of the connecting seat and are not communicated with each other, a shielding cover is arranged at the upper end of the connecting seat, a first screw is connected in the middle of the upper end of the shielding cover in an inserting mode, the shielding cover is fixedly installed with the connecting seat through the first screw, five connecting rods are arranged, two connecting grooves are formed in the left end and the rear end of each connecting rod, two second screws are arranged on the left end, the right end, the left end and the right end of each connecting rod, connecting blocks are sleeved in the two connecting grooves and fixedly connected with the connecting rods through the second screws, and blocking blocks are fixedly connected on the left end and the right end of each connecting rod, the connecting blocks at one ends of the five connecting rods are respectively clamped in the first connecting groove to weld the five connecting rods and the connecting seat together.
As a further improvement of the above scheme, the connecting block includes a connecting block, No. two connecting blocks and No. three connecting blocks, a connecting block, No. two connecting blocks and No. three connecting blocks structure as an organic whole, the upper end and the lower extreme of No. three connecting blocks all are provided with the trapezoidal piece, No. three connecting blocks and two trapezoidal pieces structure as an organic whole, two No. two screw holes have all been opened to the front end and the rear end of No. three connecting blocks, No. two spread groove include rectangular channel and trapezoidal channel, the trapezoidal channel is provided with two and upper and lower cell walls at the rectangular channel of upper and lower symmetric distribution, the inside of rectangular channel and trapezoidal channel communicates with each other, two screw perforation have all been opened on the front end left side, front end right side, rear end left side and the rear end right side of connection, the screw perforation all communicates with each other with the corresponding rectangular channel inside, No. three connecting blocks and two trapezoidal pieces cup joint respectively in rectangular channel and No. two screws pass corresponding screw perforation threaded connection respectively And a second screw hole.
As a further improvement of the scheme, the length of the third connecting block and the length of the trapezoidal block are equal to the length of the rectangular groove, and the height of the first connecting block is equal to the height of the connecting rod.
As a further improvement of the scheme, the second screw holes are not communicated with each other, and the first connecting block is not contacted with the connecting rod.
As the further improvement of above-mentioned scheme, a spread groove includes preceding spread groove and back spread groove, preceding spread groove communicates with each other with back spread groove inside, a connecting block joint is in the spread groove of back and No. two connecting blocks are located preceding spread groove.
As a further improvement of the above scheme, the blocking block comprises an edge limiting block and an in-groove clamping block, the edge limiting block and the in-groove clamping block are of an integrated structure, and the in-groove clamping block is clamped in the front connecting groove.
As a further improvement of the scheme, the upper end faces of the edge limiting block and the in-groove clamping block are flush with the upper end face of the connecting seat.
As a further improvement of the above scheme, the end of the edge limiting block and the end of the connecting rod close to the connecting seat are both arc-shaped structures, and the end of the edge limiting block and the end of the connecting rod close to the connecting seat are both attached to the outer surface of the connecting seat.
As a further improvement of the above scheme, the outer edge of the upper end of the shielding cover is provided with an arc surface eave, the middle of the upper end of the connecting seat is provided with a screw hole, and the lower part of the screw is in threaded connection with the shielding cover and the connecting seat in the screw hole.
As the further improvement of above-mentioned scheme, the diameter of sheltering from the lid is greater than the diameter of connecting seat, a screw hole and five spread grooves do not all communicate with each other.
As a further improvement of the scheme, the inner width of the front connecting groove is gradually reduced from inside to outside, and the appearance of the front connecting groove is matched with that of the second connecting block.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the connecting seat is provided with the first connecting groove, the connecting block connected to the connecting rod is clamped in the first connecting groove, and then the connecting block and the connecting seat are welded in a welding mode, so that the connecting block and the connecting seat are more firmly fixed, the stability of the whole connecting node is higher, and the stress capacity of the connecting node of the single-layer space reticulated shell is greatly improved.
2. According to the invention, the connecting block and the connecting rod are clamped in a clamping groove and fixed through a plurality of screws on the second side, so that the connecting block and the connecting rod are firmly fixed, and the connecting rod and the connecting seat are fixed through the connecting block, so that the mounting is convenient and rapid, and the dismounting is convenient.
3. According to the invention, the shielding cover and the blocking block are arranged to hide and shield the welding position of the connecting block and the connecting seat, so that the overall attractiveness of the connecting node can be improved, the welding joint is not exposed outside and is not exposed to sunlight and rain, the connecting block and the connecting seat are not easy to fall off, and the service life of the connecting node of the single-layer space reticulated shell is prolonged.
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 view of an overall structure of a connection node of a single-layer space reticulated shell according to the present invention;
FIG. 2 is a schematic view of an overall structure of a connection node of a single-layer space reticulated shell according to the present invention;
FIG. 3 is a schematic view of a connection block structure of a connection node of a single-layer space latticed shell according to the present invention;
FIG. 4 is a schematic view of a connecting rod structure of a connecting node of a single-layer space reticulated shell according to the present invention;
FIG. 5 is a schematic view of a connection structure of a connector and a connecting rod of a connection node of a single-layer space reticulated shell according to the present invention;
FIG. 6 is a schematic view of the connection of the shielding cover of the connection node of the single-layer space reticulated shell according to the present invention;
FIG. 7 is a schematic view of a connection seat structure of a connection node of a single-layered space reticulated shell according to the present invention;
fig. 8 is a schematic view of a connection structure of a connection seat and a connection rod of a connection node of a single-layer space reticulated shell according to the present invention.
In the figure: 1. a connecting seat; 2. a first connecting groove; 3. a shielding cover; 4. a connecting rod; 5. a first screw; 6. a second screw; 7. a blocking block; 8. connecting blocks; 9. a second connecting groove; 11. a first screw hole; 21. a front connecting groove; 22. a rear connecting groove; 31. an arc surface eave; 41. a rectangular groove; 42. a trapezoidal groove; 43. perforating the threads; 71. an edge limiting block; 72. a clamping block in the groove; 81. a first connecting block; 82. a second connecting block; 83. a third connecting block; 84. a trapezoidal block; 85. a second screw hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by combining the attached drawings.
Example one
The utility model provides a connected node of individual layer space latticed shell, as shown in fig. 1-2, includes connecting seat 1 and connecting rod 4, its characterized in that: five spread grooves 2 are opened to the upper end equidistance of connecting seat 1, five spread grooves 2 all run through the surface of connecting seat 1, and each other do not communicate with each other between five spread grooves 2, the upper end of connecting seat 1 is provided with shelters from lid 3, shelter from lid 3 upper end middle part and alternate and be connected with screw 5, shelter from lid 3 through screw 5 and connecting seat 1 fixed mounting, connecting rod 4 is provided with five, No. two spread grooves 9 have all been opened to the left end of five connecting rods 4 and rear end, the front end left side of five connecting rods 4, the front end right side, rear end left side and rear end right side all are provided with two No. two screws 6, connecting block 8 has all been cup jointed in No. two spread grooves 9, and connecting block 8 is through No. two screws 6 and connecting rod 4 fixed connection, the equal fixedly connected with in upper end left side and the upper end right side of five connecting rods 4 blocks 7, the connecting block 8 of five connecting rods 4 one end joint is in no .
In the specific use process of the embodiment, one end of a connecting block 8 is respectively sleeved in a second connecting groove 9 on a connecting rod 4, the connecting block 8 and the connecting rod 4 are fixed through second screws 6 at the front end and the rear end of the connecting rod 4, one end of the connecting block 8 is clamped in a first connecting groove 2 on a connecting seat 1, the contact part between the connecting block 8 and the connecting rod 4 and the connecting seat 1 is welded in a welding mode, the connecting rod 4 is fixedly connected to the outer surface of the connecting seat 1 at equal intervals, a shielding cover 3 is fixedly connected to the upper end of the connecting seat 1 through a first screw 5, the shielding cover 3 shields the welding part between the connecting rod 4 and the connecting block 8 and the connecting seat 1, the connecting node connecting block 8 and the connecting rod 4 of the whole single-layer space reticulated shell are firmly connected and are convenient to install and disassemble, and the connecting rod 4 and the connecting seat 1 are fixed in a, make stability higher, the atress ability is stronger, shelters from lid 3 and can shelter from the welding seam, and the aesthetic property is strong, and shelters from the sunshine and rain, avoids connecting rod 4 and connecting seat 1 to drop, improves whole connected node's life.
Example two
On the basis of the first embodiment, as shown in fig. 3-5, a connection node of a single-layer space reticulated shell comprises a connection seat 1 and a connection rod 4, wherein five first connection grooves 2 are equidistantly formed in the upper end of the connection seat 1, the five first connection grooves 2 all penetrate through the outer surface of the connection seat 1, the five first connection grooves 2 are not communicated with each other, a shielding cover 3 is arranged at the upper end of the connection seat 1, a first screw 5 is inserted and connected in the middle of the upper end of the shielding cover 3, the shielding cover 3 is fixedly installed with the connection seat 1 through the first screw 5, the connection rod 4 is provided with five, two second connection grooves 9 are respectively formed in the left end and the rear end of the five connection rods 4, two second screws 6 are respectively arranged on the left side of the front end, the right side of the front end, the left side of the rear end and the right side of the rear end of the five connection rods 4, a connection block 8 is, the left sides of the upper ends and the right sides of the upper ends of the five connecting rods 4 are fixedly connected with blocking blocks 7, and connecting blocks 8 at one ends of the five connecting rods 4 are respectively clamped in the first connecting grooves 2 to weld the five connecting rods 4 and the connecting seat 1 together; connecting block 8 includes a connecting block 81, No. two connecting blocks 82 and No. three connecting blocks 83, a connecting block 81, No. two connecting blocks 82 and No. three connecting blocks 83 structure as an organic whole, No. three connecting blocks 83's upper end and lower extreme all are provided with trapezoidal piece 84, No. three connecting blocks 83 and two trapezoidal pieces 84 structure as an organic whole, No. three connecting blocks 83's front end and rear end have all opened No. two screw holes 85, No. two spread groove 9 includes rectangular channel 41 and trapezoidal channel 42, trapezoidal channel 42 is provided with two and upper and lower cell walls at rectangular channel 41 of vertical symmetric distribution, rectangular channel 41 and trapezoidal channel 42's inside communicates with each other, connect 4's front end left side, the front end right side, rear end left side and rear end right side all have opened two screw perforation 43, screw perforation 43 all communicates with each other with corresponding rectangular channel 41 inside, No. three connecting blocks 83 and two trapezoidal pieces 84 cup joint respectively in rectangular channel 41 and trapezoidal channel 42 and No. two screw perforation 43 threaded connection that No. correspond respectively pass corresponding screw perforation 43 85 of the inner wall; the length of the third connecting block 83 and the length of the trapezoidal block 84 are both equal to the length of the rectangular groove 41, and the height of the first connecting block 81 is equal to the height of the connecting rod 4; no. two screw holes 85 are not communicated with each other, and no contact is made between the first connecting block 81 and the connecting rod 4.
In the specific use process of the embodiment, in the connection process of the connecting block 8 and the connecting rod 4, the two trapezoidal blocks 84 are arranged at the upper end and the lower end of the third connecting block 83, the third connecting block 83 and the trapezoidal blocks 84 are simultaneously clamped in the communicated rectangular groove 41 and the trapezoidal groove 42, so that the connecting seats of the connecting block 8 and the connecting rod 4 are more closely limited up and down and successively, the connecting block 8 and the connecting rod 4 are not easy to shake, the connecting block 8 and the connecting rod 4 are fixed through the front and the rear four second screws 6, so that the connecting block 8 is firmly connected with the connecting rod 4, the connecting block 8 is divided into a first connecting block 81, a second connecting block 82 and a third connecting block 83 which are of an integral structure, three different areas of the connecting block 8 play different roles, the connecting block 8 and the connection 1 are carried by the connecting rod 4, and in the connection process of the whole connecting, the connecting block 8 and the connecting rod 4 are convenient to install and detach, and firm connection is not easy to shake.
EXAMPLE III
On the basis of the first embodiment, as shown in fig. 6-8, a connection node of a single-layer space reticulated shell comprises a connecting seat 1 and connecting rods 4, five first connecting grooves 2 are equidistantly formed in the upper end of the connecting seat 1, the five first connecting grooves 2 all penetrate through the outer surface of the connecting seat 1, the five first connecting grooves 2 are not communicated with each other, a shielding cover 3 is arranged at the upper end of the connecting seat 1, a first screw 5 is inserted and connected in the middle of the upper end of the shielding cover 3, the shielding cover 3 is fixedly installed with the connecting seat 1 through the first screw 5, the connecting rods 4 are five, two second connecting grooves 9 are respectively formed in the left end and the rear end of the five connecting rods 4, two second screws 6 are respectively arranged on the left side of the front end, the right side of the front end, the left side of the rear end and the right side of the rear end of the five connecting rods 4, the connecting blocks 8 are, the connecting blocks 8 are fixedly connected with the connecting rods 4 through second screws 6, the left sides of the upper ends and the right sides of the upper ends of the five connecting rods 4 are fixedly connected with blocking blocks 7, and the connecting blocks 8 at one ends of the five connecting rods 4 are respectively clamped in the first connecting grooves 2 to weld the five connecting rods 4 and the connecting seat 1 together; the first connecting groove 2 comprises a front connecting groove 21 and a rear connecting groove 22, the front connecting groove 21 is communicated with the interior of the rear connecting groove 22, the first connecting block 81 is clamped in the rear connecting groove 22, and the second connecting block 82 is positioned in the front connecting groove 21; the blocking block 7 comprises an edge limiting block 72 and an in-groove clamping block 71, the edge limiting block 72 and the in-groove clamping block 71 are of an integral structure, and the in-groove clamping block 71 is clamped in the front connecting groove 21; the upper end surfaces of the edge limiting block 72 and the in-groove clamping block 71 are flush with the upper end surface of the connecting seat 1; the edge limiting block 72 and one end of the connecting rod 4 close to the connecting seat 1 are both arc-shaped structures, and the edge limiting block 72 and one end of the connecting rod 4 close to the connecting seat 1 are both attached to the outer surface of the connecting seat 1; the outer edge of the upper end of the shielding cover 3 is provided with an arc-shaped eave 31, the middle part of the upper end of the connecting seat 1 is provided with a first screw hole 11, and the lower part of a first screw 5 is in threaded connection with the first screw hole 11 to fixedly connect the shielding cover 3 with the connecting seat 1; the diameter of the shielding cover 3 is larger than that of the connecting seat 1, and the first screw hole 11 is not communicated with the five first connecting grooves 2; the width of the front connecting groove 21 is gradually reduced from inside to outside, and the shape of the front connecting groove 21 is matched with the shape of the second connecting block 82.
In the specific using process of the embodiment, in the connecting process of the connecting rod 4 and the connecting seat 1, the connecting block 8 is used for carrying, the first connecting block 81 and the second connecting block 82 are firstly clamped in the corresponding rear connecting groove 22 and the front connecting groove 21, then the joint between the first connecting block 81 and the second connecting block 82 and the joint between the rear connecting groove 22 and the front connecting groove 21 are fixed in a welding mode, the end surface of the connecting rod 4 is tightly attached to the outer surface of the connecting seat 1, the joint between the connecting rod 4 and the connecting seat 1 is welded, the clamping and welding modes are adopted simultaneously, the connection between the connecting rod 4 and the connecting seat 1 is more stable, the width in the front connecting groove 21 is gradually reduced from inside to outside, the clamping is firmer, the position deviation is not easy to occur, and after the connecting rod 4 and the connecting seat 1 are fixed, the shielding cover 3 is fixedly installed at the upper end of the connecting seat 1 through the first screw, shelter from lid 3 and can shelter from connecting rod 4 and connecting block 8 and connecting seat 1 between welded gap for whole connected node's aesthetic property is stronger, sets up cambered surface eaves 31 on sheltering from lid 3, can improve prevent wind and rain-proof effect, makes and is difficult for droing between connecting seat and the connecting rod, improves life.
In the invention, the connecting block 8 and the connecting rod 4 are clamped in a clamping groove form and are fixed through a plurality of second screws 6, so that the connecting block 8 and the connecting rod 4 are firmly fixed, the connecting rod 4 and the connecting seat 1 are fixedly connected through the connecting block 8, the installation is convenient and quick, the disassembly is convenient, the connecting block 8 connected to the connecting rod 4 is clamped in the first connecting groove 2, the connecting block 8 and the connecting seat 1 are welded in a welding mode, the two methods of welding and clamping are adopted for simultaneous fixation, so that the fixing between the connecting block 8 and the connecting seat 1 is firmer, the stability of the whole connecting node is higher, the stress capacity of the connecting node of a single-layer space reticulated shell is greatly improved, and the welding position of the connecting block 8 and the connecting seat 1 is hidden and shielded by arranging the shielding cover 3 and the blocking block 7, can improve connected node's whole aesthetic property, and welded joint does not expose outside, does not receive the sun and drench for be difficult for droing between connecting block 8 and the connecting seat 1, be favorable to improving the connected node's of individual layer space reticulated shell life, the connected node installation of whole individual layer space reticulated shell is dismantled conveniently, and stability is high, and the atress ability is strong, and long service life is favorable to the wide application of individual layer space reticulated shell.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a connected node of individual layer space reticulated shell, includes connecting seat (1) and connecting rod (4), its characterized in that: five first connecting grooves (2) are formed in the upper end of the connecting seat (1) at equal intervals, and the five first connecting grooves (2) penetrate through the outer surface of the connecting seat (1); five first connecting grooves (2) are not communicated with each other, a shielding cover (3) is arranged at the upper end of the connecting seat (1), a first screw (5) is connected to the middle of the upper end of the shielding cover (3) in an inserting manner, the shielding cover (3) is fixedly installed with the connecting seat (1) through the first screw (5), five connecting rods (4) are arranged, two second connecting grooves (9) are formed in the left end and the rear end of the five connecting rods (4), two second screws (6) are arranged on the left side of the front end, the right side of the front end, the left side of the rear end and the right side of the rear end of the five connecting rods (4), connecting blocks (8) are sleeved in the two second connecting grooves (9), the connecting blocks (8) are fixedly connected with the connecting rods (4) through the second screws (6), and blocking blocks (7) are fixedly connected to the left side of the upper end and the right side of, connecting blocks (8) at one ends of the five connecting rods (4) are respectively clamped in the first connecting groove (2) to weld the five connecting rods (4) and the connecting seat (1) together;
the connecting block (8) comprises a first connecting block (81), a second connecting block (82) and a third connecting block (83), the first connecting block (81), the second connecting block (82) and the third connecting block (83) are of an integral structure, trapezoidal blocks (84) are arranged at the upper end and the lower end of the third connecting block (83), the third connecting block (83) and the two trapezoidal blocks (84) are of an integral structure, two second screw holes (85) are formed in the front end and the rear end of the third connecting block (83), the second connecting groove (9) comprises a rectangular groove (41) and a trapezoidal groove (42), the trapezoidal groove (42) is provided with two upper groove walls and lower groove walls which are symmetrically distributed in the rectangular groove (41), the rectangular groove (41) is communicated with the inside of the trapezoidal groove (42), two threaded through holes (43) are formed in the left side of the front end, the right side of the front end, the left side of the rear end and the right side of the rear end of the connecting rod (4), the thread through holes (43) are communicated with the insides of the corresponding rectangular grooves (41), the third connecting block (83) and the two trapezoidal blocks (84) are respectively sleeved in the rectangular grooves (41) and the trapezoidal grooves (42), the second screw (6) respectively penetrates through the corresponding thread through holes (43) and is connected in the corresponding second screw hole (85) in a threaded mode, the third connecting block (83) and the trapezoidal blocks (84) are equal to the rectangular grooves (41) in length, and the first connecting block (81) is equal to the connecting rod (4) in height; the second screw holes (85) are not communicated with each other, and the first connecting block (81) is not contacted with the connecting rod (4); the first connecting groove (2) comprises a front connecting groove (21) and a rear connecting groove (22), the front connecting groove (21) is communicated with the rear connecting groove (22), the first connecting block (81) is clamped in the rear connecting groove (22) and the second connecting block (82) is located in the front connecting groove (21); the blocking block (7) comprises an edge limiting block (72) and an in-groove clamping block (71), the edge limiting block (72) and the in-groove clamping block (71) are of an integrated structure, and the in-groove clamping block (71) is clamped in the front connecting groove (21).
2. The connection node of the single-layer space reticulated shell according to claim 1, characterized in that: the upper end surfaces of the edge limiting block (72) and the in-groove clamping block (71) are flush with the upper end surface of the connecting seat (1).
3. The connection node of the single-layer space reticulated shell according to claim 1, characterized in that: the edge limiting block (72) and the connecting rod (4) are both of arc-surface structures at the ends close to the connecting seat (1), and the end, close to the connecting seat (1), of the edge limiting block (72) and the connecting rod (4) is attached to the outer surface of the connecting seat (1).
4. The connection node of the single-layer space reticulated shell according to claim 1, characterized in that: the outer edge of the upper end of the shielding cover (3) is provided with an arc-surface eave (31), the middle of the upper end of the connecting seat (1) is provided with a screw hole (11), and the lower portion of the screw (5) is in threaded connection with the shielding cover (3) and the connecting seat (1) in the screw hole (11).
5. The connection node of the single-layer space reticulated shell according to claim 4, wherein: the diameter of sheltering from lid (3) is greater than the diameter of connecting seat (1), screw hole (11) and five spread groove (2) are not all communicated with each other.
6. The connection node of the single-layer space reticulated shell according to claim 1, characterized in that: the width in preceding spread groove (21) reduces from inside to outside gradually, the appearance of preceding spread groove (21) and No. two connecting block (82) match.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655042.4A CN111749338B (en) | 2020-07-09 | 2020-07-09 | Connecting joint of single-layer space latticed shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655042.4A CN111749338B (en) | 2020-07-09 | 2020-07-09 | Connecting joint of single-layer space latticed shell |
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| Publication Number | Publication Date |
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| CN111749338A CN111749338A (en) | 2020-10-09 |
| CN111749338B true CN111749338B (en) | 2021-02-26 |
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