CN217268289U

CN217268289U - Split type connecting bridge and cavity module applying same

Info

Publication number: CN217268289U
Application number: CN202220883723.0U
Authority: CN
Inventors: 王增群
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-08-23
Anticipated expiration: 2032-04-11

Abstract

The utility model relates to a building module technical field provides a cavity module of split type connection bridge and applied this connection bridge, include, first link is two, the second link sets up on the first link, the second link is located two between the first link, the connecting piece, first link passes through the connecting piece with the second link is connected. Through above-mentioned technical scheme, it is integrated into one piece to have solved among the prior art to connect the bridge, the casting of being not convenient for, simultaneously when the transportation because the existence of integral connection bridge leads to cavity module space utilization low problem when the transportation.

Description

Split type connecting bridge and cavity module applying same

Technical Field

The utility model relates to a building module technical field, it is specific relates to a cavity module of split type connection bridge and applied this connection bridge.

Background

Along with the acceptance degree of the building market to the novel EPS cavity module is continuously improved, the construction cost of the brick-concrete structure is continuously improved, the cavity module is used for building houses more and more commonly, and the market application prospect is wide.

At present, most EPS cavity module structure is as connecting the bridge by the polystyrene with the same material of module in the module production process, through the mould shaping, with the integrative demolding of module panel. The connecting bridges are arranged in a staggered manner to form cavities. And the cavity module of the part embedded part is formed by two materials, the connecting bridge is a plastic connecting bridge, the prefabricated connecting bridge is placed into a mold, and expandable polystyrene is injected into the mold to be molded to form the cavity module with polystyrene panels on two sides connected by the plastic connecting bridge.

Because the connecting bridge among the prior art all is through mould integrated into one piece, and integrated into one piece's connecting bridge need consume great cardiac power when casting, because the great connecting bridge self of product overall structure is because the existence of various member pieces simultaneously, casting quality problem appears very easily because gas or other problems when casting, cavity module will reach the operation requirement simultaneously and just need the connection of connecting the bridge, this just leads to cavity module when the transportation, has very big space on the cavity module between two module panels, cause the phenomenon of space waste.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cavity module of split type connection bridge and applied this connection bridge has solved and has connected the bridge and be integrated into one piece among the prior art, the casting of being not convenient for, simultaneously when the transportation because the existence of integral connection bridge leads to the problem that cavity module space utilization is low when the transportation.

The technical scheme of the utility model as follows:

a split-type connecting bridge comprises a connecting bridge body,

two first connecting frames,

a second link frame provided on the first link frames, the second link frame being positioned between the two first link frames,

and the first connecting frame is connected with the second connecting frame through the connecting piece.

As a further technical proposal, the second connecting frame is arranged on the first connecting frame in a sliding way, the connecting piece comprises,

the two sliding grooves are arranged on the second connecting frame and are respectively positioned at the two ends of the second connecting frame,

the sliding block is arranged on the first connecting frame, the second connecting frame slides along the length direction parallel to the first connecting frame, and the sliding groove is sleeved in or slides out of the sliding block after the second connecting frame slides.

As a further technical solution, the slider comprises,

a vertical plate arranged on the first connecting frame,

a sliding plate arranged on the vertical plate,

the inner wall of the sliding groove is attached to the outer contour of the sliding block.

As a further technical solution, the slider comprises,

a connecting part arranged on the first connecting frame and provided with a fabrication hole,

a circular portion disposed on the connecting portion, the circular portion being semicircular, the circular portion having a plurality of lightening holes,

a support part arranged in the circular part, two ends of the support part are respectively connected with the inner wall of the circular part,

the sliding groove is a ring sleeve, the ring sleeve is semicircular, and the ring sleeve is sleeved on the outer side of the sliding block.

As a further technical solution, the second connecting frame further comprises,

two support plates, the sliding groove is positioned between the two support plates, the sliding groove is connected with the two support plates,

a plurality of first connecting rods obliquely arranged between the two supporting plates, wherein two ends of each first connecting rod are respectively connected with the two supporting plates,

the second connecting rods are arranged between the two supporting plates in an inclined mode, the inclined direction of the second connecting rods is opposite to that of the first connecting rods, and two ends of each second connecting rod are connected with the two supporting plates respectively.

As a further technical solution, the first connecting frame has two sliding blocks, and the two second connecting frames matched with the first connecting frame are arranged oppositely.

A cavity module is also provided, which further comprises,

the module panels are two, each module panel is provided with a concave rabbet and a convex rabbet, the convex rabbet of one cavity module is positioned in the concave rabbet of the adjacent cavity module,

the connecting bridge is positioned between the two module panels, and the first connecting frame on the connecting bridge is arranged in the module panels.

As a further technical solution, the module panel has a plurality of dovetail grooves, and the plurality of dovetail grooves are sequentially arranged along a length direction of the module panel.

As a further technical scheme, the rib plates are arranged on two side surfaces of the module panel and are positioned on the top of the module panel,

the connecting grooves are formed in the other two side faces of the module panel, the connecting grooves are located at the bottom of the module panel, and the rib plate of one cavity module is located in the connecting groove of the adjacent cavity module.

As a further technical scheme, the number of the first trapezoidal blocks is multiple, the multiple first trapezoidal blocks are respectively and uniformly arranged along the length direction of the module panel, the multiple first trapezoidal blocks are positioned at two sides of the rib plate, the first trapezoidal blocks at two sides of the rib plate are oppositely arranged, the distance between the top edges of the first trapezoidal blocks at two sides of the rib plate is less than the distance between the bottom edges of the first trapezoidal blocks at two sides of the rib plate,

the second trapezoidal piece, the second trapezoidal piece is a plurality of, and is a plurality of the second trapezoidal piece is followed respectively the length direction of module panel evenly sets up, and is a plurality of the second trapezoidal piece is located the both sides of spread groove, first trapezoidal piece with second trapezoidal piece cross arrangement, the spread groove both sides first trapezoidal piece topside distance is greater than the spread groove both sides first trapezoidal piece base distance.

The utility model discloses a theory of operation and beneficial effect do:

in order to solve the problems that the connecting bridges are integrally formed and are inconvenient to cast and the space utilization rate of the cavity modules is low during transportation due to the existence of the integral connecting bridges in the prior art, the utility model is specially provided with a split connecting bridge which comprises two first connecting frames, two second connecting frames and connecting pieces, wherein the two first connecting frames are arranged on the first connecting frames, the second connecting frame is positioned between the two first connecting frames, the two ends of the second connecting frame are respectively connected with the two first connecting frames through the connecting pieces, the conventional mode that the connecting bridges are integrated in the prior art can be broken through the arrangement of the split connecting bridge, the connecting bridge is not only easier to cast during casting, but also during transportation of the cavity modules, the connecting bridge can be disassembled to reduce the gap between the two module panels, so that the space utilization rate is effectively improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a three-dimensional structure of a connecting bridge of the present invention;

FIG. 2 is a schematic diagram of a three-dimensional structure of a connecting bridge of the present invention;

FIG. 3 is a schematic side view of the connecting bridge of the present invention;

FIG. 4 is an exploded view of the bridge of the present invention;

FIG. 5 is a schematic side view of the connecting bridge of the present invention;

fig. 6 is a schematic side view of the cavity module of the present invention;

fig. 7 is a schematic diagram of a three-dimensional structure of the cavity module of the present invention;

FIG. 8 is a schematic view of the structure at A in FIG. 6 according to the present invention;

fig. 9 is a schematic sectional structure diagram of a cavity module according to the present invention;

fig. 10 is a schematic sectional structure view of a cavity module according to the present invention;

in the figure: 1. the connecting structure comprises a first connecting frame, a second connecting frame, a connecting piece, a sliding groove, a sliding block, a vertical plate, a sliding plate, a connecting part 10, a round part 11, a supporting part 12, a supporting plate 13, a first connecting rod 14, a second connecting rod 15, a module panel 16, a concave rabbet 17, a convex rabbet 18, a connecting bridge 19, a dovetail groove 20, a rib plate 21, a connecting groove 22, a first trapezoid block 23, a second trapezoid block 24 and a ring sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

As shown in fig. 1 to 10, the present embodiment proposes a split type connection bridge, including,

two first connecting frames 2, the number of the first connecting frames 2 is two,

a second connecting frame 1, wherein the second connecting frame 1 is arranged on the first connecting frame 2, the second connecting frame 1 is positioned between the two first connecting frames 2,

and the first connecting frame 2 is connected with the second connecting frame 1 through the connecting piece 3.

Because the connecting bridges 18 in the prior art are integrally formed through a die, and the integrally formed connecting bridges 18 need to consume large heart force during casting, because the overall structure of a product is large, the connecting bridges 18 are easy to cause casting quality problems due to gas or other problems during casting due to the existence of various rod pieces, and meanwhile, the cavity modules need to be connected with the connecting bridges 18 when meeting the use requirements, so that the cavity modules are transported, and a large gap is reserved between two module panels 15 on the cavity modules, thereby causing the phenomenon of space waste.

In order to solve the above problems, the present embodiment is specially provided with a split type connecting bridge 18, which comprises a first connecting frame 2, a second connecting and connecting piece 3, wherein the number of the first connecting frames 2 is two, the second connecting frame 1 is arranged on the first connecting frames 2, the second connecting frame 1 is positioned between the two first connecting frames 2, two ends of the second connecting frame 1 are respectively connected with the two first connecting frames 2 through the connecting pieces 3, through the arrangement of the split type connecting bridge 18, the conventional mode that the connecting bridge 18 is integrated in the prior art can be broken through, and the connecting bridge 18 is split into a plurality of parts to be assembled, so that the connecting bridge 18 is easier to cast during casting, and when the cavity module is transported, the connecting bridge 18 can be disassembled to reduce the gap between the two module panels 15, thereby effectively improving the space utilization rate.

Further, a second connecting frame 1 is slidably arranged on the first connecting frame 2, and the connecting piece 3 comprises,

the sliding grooves 4 are arranged on the second connecting frame 1, the number of the sliding grooves 4 is two, the two sliding grooves 4 are respectively positioned at two ends of the second connecting frame 1,

the sliding block 5 is arranged on the first connecting frame 2, the second connecting frame 1 slides along the length direction parallel to the first connecting frame 2, and the sliding groove 4 is sleeved in or slides out of the sliding block 5 after the second connecting frame 1 slides.

In order to realize the dismouting with first link 2 and second link 1 in this embodiment, be provided with spout 4 and slider 5 with connecting piece 3 specially, wherein spout 4 sets up on second link 1, spout 4 and second link formula structure as an organic whole, slider 5 sets up on first link 2, slider 5 and first link 2 formula structure as an organic whole, only need slide second connecting piece 3 in the installation make spout 4 on it telescope slide 5 of first connecting piece 3, thereby realize the dismouting between first link 2 and the second link 1.

Further, the slider 5 comprises, in a preferred embodiment,

a vertical plate 6, wherein the vertical plate 6 is arranged on the first connecting frame 2,

a sliding plate 7, wherein the sliding plate 7 is arranged on the vertical plate 6,

the inner wall of the sliding groove 4 is attached to the outer contour of the sliding block 5.

In this embodiment, to further realize the disassembly and assembly of the first connecting frame 2 and the second connecting frame 1, the sliding block 5 is specially provided with a vertical plate 6 and a sliding plate 7, in this embodiment, the vertical plate 6 is perpendicular to the plate surface of the first connecting frame 2, the sliding plate 7 is parallel to the plate surface of the first connecting frame 2, the sliding groove 4 can surround or leave the sliding block 5 after sliding, the length direction of the first connecting frame 2 is perpendicular to the length direction of the second connecting frame 1, wherein, because the split type connecting bridge 18 bears the force parallel to the length direction of the second connecting frame 1 when in operation, the sliding plate 7 is specially arranged to be parallel to the length direction of the first connecting frame 2, when the first connecting frame 2 and the second connecting frame 1 are connected through the sliding block 5 and the sliding groove 4, the sliding plate 7 just can limit the position of the sliding groove 4 along the length direction of the second connecting frame 1, so that the split type connecting bridge 18 has a more stable connection form, better bearing capacity is obtained, the groove bottom or the groove wall of the sliding groove 4 is used for limiting the relative position between the sliding groove 4 and the sliding block 5, and the sliding groove 4 is prevented from sliding along the sliding block 5 all the time so as to slide out of the sliding block 5.

Further, the slider 5 comprises, in a preferred embodiment,

a connecting part 9, wherein the connecting part 9 is arranged on the first connecting frame 2, the connecting part 9 is provided with a fabrication hole,

a circular portion 10, the circular portion 10 being provided on the connecting portion 9, the circular portion 10 being semicircular, the circular portion 10 having a plurality of lightening holes,

a support part 11, wherein the support part 11 is arranged in the circular part 10, two ends of the support part 11 are respectively connected with the inner wall of the circular part 10,

the sliding groove 4 is a ring sleeve 24, the ring sleeve 24 is semicircular, and the ring sleeve 24 is sleeved on the outer side of the sliding block 5.

In order to further realize the disassembly and assembly of the first connecting frame 2 and the second connecting frame 1 in the embodiment, a connecting portion 9, a circular portion 10 and a supporting portion 11 are specially provided, wherein the connecting portion 9 is provided on the first connecting frame 2, the circular portion 10 is provided on the connecting portion 9, and the tensile strength of the circular portion 10 is increased by the supporting portion 11, the sliding groove 4 in the embodiment is a ring sleeve 24 and is a semicircular ring sleeve 24, the second connecting frame 1 is close to the first connecting frame 2 in use, and the sliding of the sliding block 5 along the ring sleeve 24 realizes the connection or separation of the first connecting frame 2 and the second connecting frame 1, wherein the sliding block 5 and the sliding groove 4 are provided in a sleeved manner, the freedom degrees of the first connecting frame 2 and the second connecting frame 1 in multiple directions can be limited, so that the first connecting frame 2 and the second connecting frame 1 only have the freedom degree along the opening direction of the ring sleeve 24, wherein the opening direction of the ring sleeve 24 is perpendicular to the length direction of the second connecting piece 3, and the arrangement form can effectively limit the displacement between the first connecting frame 2 and the second connecting frame 1 when the second connecting frame 1 receives the stress parallel to the length direction of the second connecting frame, so that the split type connecting bridge 18 has a more stable connection form, and better bearing capacity is obtained.

Further, the second link frame 1 further includes,

two support plates 12, the sliding groove 4 is located between the two support plates 12, the sliding groove 4 is connected with the two support plates 12,

a plurality of first connecting rods 13, wherein the plurality of first connecting rods 13 are obliquely arranged between the two support plates 12, two ends of each first connecting rod 13 are respectively connected with the two support plates 12,

a plurality of second connecting rods 14, wherein the plurality of second connecting rods 14 are obliquely arranged between the two support plates 12, the oblique direction of the second connecting rods 14 is opposite to that of the first connecting rods 13, and two ends of each second connecting rod 14 are respectively connected with the two support plates 12.

In this embodiment, in order to ensure the strength of the second connecting frame 1 because the second connecting frame 1 is under tension and can partially bear a certain bending moment, the second connecting frame 1 is specially provided with a supporting plate 12, a first connecting rod 13 and a second connecting rod 14, wherein the supporting plate 12 has a function of supporting the strength of the main body of the second connecting frame 1, and in order to disperse the stress of the second connecting plate, the supporting plate is further provided with the first connecting rod 13 and the second connecting rod 14, wherein the first connecting rod 13 and the second connecting rod 14 are obliquely arranged between the two supporting plates 12, and the oblique directions of the first connecting rod 13 and the second connecting rod 14 are opposite, wherein the first connecting rod 13 and the second connecting rod 14 can disperse the stress of the second connecting frame 1 when the second connecting frame 1 bears the bending moment, and a concentrated stress point is changed into a multi-point stress through the transmission of the first connecting rod 13 and the second connecting rod 14, the stress of unit area is reduced to the greatest extent, and the second connecting frame 1 can be ensured to have enough strength through the arrangement of the parts.

Further, the first connecting frame 2 has two sliding blocks 5, and two second connecting frames 1 matched with the first connecting frame 2 are oppositely arranged.

In order to realize that the atress of a split type connecting bridge 18 is even in this embodiment, be provided with two sliders 5 with first link 2 specially, and to set up two second link 1 with first link 2 complex relatively, in operation, two second link 1 are connected respectively on two first links 2, form four-bar linkage, wherein because two first links 2 are fixed setting at the during operation, so two second links 1 of being connected with first link 2 can bear the pulling force that first link 2 brought uniformly, compare the form of single first link 2, the atress of dispersion first link 2 that can be better.

A cavity module is also provided, which further comprises,

the module panel 15, the module panel 15 is two, the module panel 15 has concave rabbet 16 and convex rabbet 17, the convex rabbet 17 of one cavity module is positioned in the concave rabbet 16 of the adjacent cavity module,

a connecting bridge 18, wherein the connecting bridge 18 is located between two module panels 15, and the first connecting frame 2 on the connecting bridge 18 is arranged in the module panels 15.

In this embodiment, in order to solve the problem that the cavity module in the prior art needs to be connected by the connecting bridge 18 to meet the use requirement, which results in a large gap between two module panels 15 on the cavity module and causes space waste when the cavity module is transported, in this embodiment, in order to solve the problem, the connecting bridge 18 of the cavity module is specially selected from the split connecting bridge 18, wherein the cavity module comprises the module panels 15 and the connecting bridge 18, the two module panels 15 are provided, and the connecting bridge 18 is located between the two module panels 15, when the split connecting bridge 18 in this embodiment is adopted, the first connecting frame 2 is synchronously injected into the module panels 15 when the module panels 15 are molded, so as to ensure the connection strength between the first connecting member 3 and the module panels 15, but when the cavity module needs to be transported, the modules with the first connecting member 3 can be stacked on the panels 15, because there is no space interference of the second connecting piece 3, the space between the two module panels 15 on the cavity module is greatly reduced, during transportation, the space occupancy rate can be greatly improved, and when in use, the second connecting frame 1 can be normally used only by being inserted on the first connecting frame 2 through the connecting piece 3.

Further, the module panel 15 has a plurality of dovetail grooves 19, and the plurality of dovetail grooves 19 are sequentially arranged along the longitudinal direction of the module panel 15.

In order to achieve better connection between the concrete and the module panels 15 and better adhesion of the concrete in this embodiment, a plurality of dovetail grooves 19 are specially arranged between the module panels 15, and a plurality of dovetail grooves 19 are sequentially provided along the length direction of the module panel 15, after the position of the cavity module is fixed, concrete is poured into the cavity module, the concrete flows into the dovetail groove 19 due to the fluidity before solidification, a dovetail block is formed after hardening, the dovetail block is clamped in the dovetail groove 19, this ensures a better connection between the concrete and the module panel 15, compared to a cavity module without dovetail grooves 19, after concrete pouring is finished, large-area falling can occur after the cavity module is damaged by force, in the embodiment, due to the dovetail groove 19, the cavity module can be firmly connected with the concrete.

Furthermore, rib plates 20 are arranged on two side surfaces of the module panel 15, the rib plates 20 are positioned on the top of the module panel 15,

the connecting grooves 21 are arranged on the other two side surfaces of the module panel 15, the connecting grooves 21 are positioned at the bottom of the module panel 15, and the rib plate 20 of one cavity module is positioned in the connecting groove 21 of the adjacent cavity module.

In order to realize the connection of a plurality of cavity modules in this embodiment, rib plates 20 and connecting grooves 21 are specially arranged on both sides of the module plate, and when in use, the rib plates 20 can be placed in the connecting grooves 21 of the adjacent cavity modules, and through the arrangement of the rib plates 20 and the connecting grooves 21, the connection between the plurality of cavity modules can be facilitated to a great extent.

Further, a plurality of first trapezoidal blocks 22 are provided, the plurality of first trapezoidal blocks 22 are respectively and uniformly arranged along the length direction of the module panel 15, the plurality of first trapezoidal blocks 22 are positioned at two sides of the rib plate 20, the first trapezoidal blocks 22 at two sides of the rib plate 20 are oppositely arranged, the distance between the top edges of the first trapezoidal blocks 22 at two sides of the rib plate 20 is less than the distance between the bottom edges of the first trapezoidal blocks 22 at two sides of the rib plate 20,

the second trapezoidal block 23, the second trapezoidal block 23 is a plurality of, and a plurality of the second trapezoidal block 23 is respectively along the length direction of the module panel 15 evenly sets up, and a plurality of the second trapezoidal block 23 is located the both sides of the connecting groove 21, the first trapezoidal block 22 with the second trapezoidal block 23 sets up in a crossing manner, the connecting groove 21 both sides the distance of the first trapezoidal block 22 topside is greater than the distance of the connecting groove 21 both sides the distance of the first trapezoidal block 22 bottom side.

In order to realize the overlapping between two adjacent cavity modules in the embodiment, a first trapezoidal block 22 and a second trapezoidal block 23 are specially arranged, wherein the first trapezoidal block 22 is located on two sides of the rib plate 20, the second trapezoidal block 23 is located on two sides of the connecting groove 21, the first trapezoidal block 22 and the second trapezoidal block 23 are arranged in a crossed manner, the first trapezoidal block 22 is inserted into the second trapezoidal block 23 of the adjacent cavity module, and the degrees of freedom of the first trapezoidal block 22 and the second trapezoidal block 23 along other directions except the inserting direction can be limited through the wedge limiting effect of the first trapezoidal block 22 and the second trapezoidal block 23, so that the overlapping stability between the two adjacent cavity modules is ensured.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A split type connecting bridge is characterized by comprising,

the number of the first connecting frames (2) is two,

a second connecting frame (1), wherein the second connecting frame (1) is arranged on the first connecting frames (2), the second connecting frame (1) is positioned between the two first connecting frames (2),

the first connecting frame (2) is connected with the second connecting frame (1) through the connecting piece (3).

2. The split type connection bridge according to claim 1, wherein the second connection frame (1) is slidably disposed on the first connection frame (2), and the connection member (3) comprises,

the sliding grooves (4) are arranged on the second connecting frame (1), the number of the sliding grooves (4) is two, the two sliding grooves (4) are respectively positioned at two ends of the second connecting frame (1),

slider (5), slider (5) set up on first link (2), second link (1) is along being on a parallel with the length direction of first link (2) slides, second link (1) slides the back spout (4) telescope or roll-off slider (5).

3. The split connecting bridge according to claim 2, wherein the slider (5) comprises,

a vertical plate (6), wherein the vertical plate (6) is arranged on the first connecting frame (2),

a sliding plate (7), wherein the sliding plate (7) is arranged on the vertical plate (6),

the inner wall of the sliding groove (4) is attached to the outer contour of the sliding block (5).

4. The split connecting bridge according to claim 2, wherein the slider (5) comprises,

a connecting part (9), the connecting part (9) is arranged on the first connecting frame (2), the connecting part (9) is provided with a fabrication hole,

a circular portion (10), the circular portion (10) being disposed on the connecting portion (9), the circular portion (10) being semicircular, the circular portion (10) having a plurality of lightening holes,

a support part (11), wherein the support part (11) is arranged in the circular part (10), two ends of the support part are respectively connected with the inner wall of the circular part (10),

the sliding groove (4) is a ring sleeve (24), the ring sleeve (24) is semicircular, and the ring sleeve (24) is sleeved on the outer side of the sliding block (5).

5. A split connecting bridge according to claim 3, wherein said second connecting frame (1) further comprises,

two support plates (12), the sliding grooves (4) are positioned between the two support plates (12), the sliding grooves (4) are connected with the two support plates (12),

a plurality of first connecting rods (13), wherein the first connecting rods (13) are obliquely arranged between the two supporting plates (12), two ends of each first connecting rod (13) are respectively connected with the two supporting plates (12),

the second connecting rods (14), the second connecting rods (14) are a plurality of, and a plurality of second connecting rods (14) slope and set up two between backup pad (12), the incline direction of second connecting rod (14) with the incline direction of first connecting rod (13) is opposite, second connecting rod (14) both ends respectively with two backup pad (12) are connected.

6. A split bridge according to claim 4, wherein said first connecting frame (2) has two said sliders (5), and two said second connecting frames (1) engaged with said first connecting frame (2) are oppositely disposed.

7. A cavity module comprising the split type connecting bridge of any one of claims 1 to 6, further comprising,

the module comprises two module panels (15), the module panels (15) are provided with concave rabbet (16) and convex rabbet (17), the convex rabbet (17) of one cavity module is positioned in the concave rabbet (16) of the adjacent cavity module,

a connecting bridge (18), the connecting bridge (18) being located between two of the module panels (15), the first connecting frame (2) on the connecting bridge (18) being arranged within the module panels (15).

8. A cavity module according to claim 7, wherein the module panel (15) has a plurality of dovetail grooves (19), the plurality of dovetail grooves (19) being arranged in series along the length of the module panel (15).

9. A cavity module according to claim 7, further comprising,

rib plates (20), wherein the rib plates (20) are arranged on two side surfaces of the module panel (15), the rib plates (20) are positioned on the top of the module panel (15),

the connecting groove (21), connecting groove (21) set up the other both sides face of module panel (15), connecting groove (21) are located the bottom of module panel (15), and gusset (20) of a cavity module are located the connecting groove (21) of adjacent cavity module.

10. A cavity module according to claim 9, further comprising,

the first trapezoid blocks (22) are multiple, the first trapezoid blocks (22) are evenly arranged along the length direction of the module panel (15), the first trapezoid blocks (22) are located on two sides of the rib plate (20), the first trapezoid blocks (22) on two sides of the rib plate (20) are oppositely arranged, the distance between the top edges of the first trapezoid blocks (22) on two sides of the rib plate (20) is smaller than the distance between the bottom edges of the first trapezoid blocks (22) on two sides of the rib plate (20),

the second trapezoidal block (23), the second trapezoidal block (23) is a plurality of, and is a plurality of the second trapezoidal block (23) is followed respectively the length direction of module panel (15) evenly sets up, and is a plurality of the second trapezoidal block (23) is located the both sides of spread groove (21), first trapezoidal block (22) with second trapezoidal block (23) cross arrangement, spread groove (21) both sides first trapezoidal block (22) topside distance is greater than spread groove (21) both sides first trapezoidal block (22) base distance.