CN220380394U - Folding constraint structure for bullet shielding structure - Google Patents

Abstract

The utility model relates to the field of a bullet shielding structure and discloses a folding constraint structure for the bullet shielding structure, which comprises a constraint component, a connecting component and a limiting component, wherein the constraint component and the connecting component are connected into a whole in a deformable way and form a plurality of constraint units capable of deforming between an unfolding state and a folding state; when the restraining component is separated from the restraining component and/or the connecting component, the shape of the restraining component and the connecting component may change. The restraining structure for a shell structure of the present utility model has the advantage of being convenient for transportation and capable of modular mass production.

Description

Folding constraint structure for bullet shielding structure

Technical Field

The utility model relates to the field of a shielding bomb structure, in particular to a folding constraint structure for a shielding bomb structure.

Background

The more deeply the currently important facilities are buried, the more expensive the manufacturing cost of the bullet shielding technology adopting yaw structure and high-strength materials can cope with the striking of the conventional accurate guided weapon. The steel pipe restrained concrete is another bullet shielding technology, and has the characteristics of high bearing capacity, good ductility, convenient construction and the like, and has been widely applied in the aspects of bridge pier construction, mine hole reinforcement and the like.

The process of the steel tube confined concrete comprises cutting, bending and welding forming of raw materials and pouring of concrete, but the existing steel tube confined concrete structure is limited by a transportation tool, the steel tube in the steel tube confined concrete can only be produced into semi-finished products in factories (the welding process of cutting, bending and limited size specification is finished), secondary welding forming (welding the tube wall of a semi-finished steel tube into a whole) is still required at a work construction site, and then the concrete is poured, so that the existing steel tube confined concrete structure has the defects of inconvenient transportation and difficult modularized mass production.

In view of this, there is a need to provide a folding constraint structure for a grenade structure that is easy to transport and capable of modular mass production.

Disclosure of Invention

The object of the present utility model is to provide a folding constraint structure for a screening structure which is easy to transport and which can be produced in a modular manner in a large quantity.

In order to achieve the above object, the present utility model provides a folding constraint structure for a grenade structure, the constraint structure comprising a constraint component, a connection component and a limiting component, the constraint component being deformably connected with the connection component into a whole and forming a plurality of constraint units capable of being deformed between an unfolded state and a folded state, each constraint unit being provided therein with a filling cavity for filling a filler, the filling cavity having a shape corresponding to that of the constraint unit, the limiting component being used for detachably connecting the constraint component and/or the connection component, the constraint component and the connection component being limited in shape and the constraint unit being limited in the unfolded state when the limiting component is connected with the constraint component and/or the connection component; when the restraining assembly is separated from the restraining assembly and/or the connecting assembly, the shape of the restraining assembly and the connecting assembly may change and the restraining unit may be deformable between an expanded state and a collapsed state.

Further, in the deployed state, both the constraining unit and the filling chamber are right prism shaped.

Further, the constraining assembly includes a plurality of first constraining members, the connecting assembly includes a plurality of first connecting members, the plurality of first constraining members are deformably connected with the plurality of first connecting members as one body and form a plurality of constraining units.

Further, the first restraint piece includes first body and sets up respectively the first connection structure at the both ends of first body, first connection structure is provided with the pivot connecting hole, first connection piece includes a plurality of second connection structure and a plurality of pivot axle that is connected with a plurality of respectively with the second connection structure, the pivot axle can be relative pivot and pass in one-to-one the pivot connecting hole.

Further, the restraint assembly further includes a plurality of second restraints, the plurality of first restraints, the plurality of second restraints being deformably connected as one body with the plurality of first connectors and forming a plurality of the restraint units, the second connection structure being provided with a first connection portion for connection with the second restraints.

Further, the limiting assembly comprises a limiting piece and a plurality of first clamping structures arranged on the limiting piece, and the second connecting structure is provided with a second clamping structure corresponding to the first clamping structure.

Further, the second connecting structure is provided with a plurality of mounting holes for fastening and connecting a plurality of pivot shafts in a one-to-one correspondence manner, and the pivot shafts penetrate through the mounting holes in a one-to-one correspondence manner and are fastened and connected with the second connecting structure.

Further, the constraint structure further comprises a first constraint limiting member and a second constraint limiting member, one end of the first constraint limiting member is used for being detachably connected with the first clamping structure, the other end of the first constraint limiting member can be pivoted relatively and is connected with the pivot shafts in a one-to-one correspondence mode, and two ends of the second constraint limiting member can be pivoted relatively and are connected with the pivot shafts of the two first connecting members in a one-to-one correspondence mode.

Further, the first connecting piece includes a plurality of the second connection structure and a plurality of respectively parallel with a plurality of the pivot axle of second connection structure fastening connection, a plurality of the second connection structure is followed the even interval setting of axial direction of pivot axle, the even interval is provided with a plurality of being used for holding a plurality of the second connection structure dodge recess on the first connection structure.

The folding constraint structure for the bullet shielding structure comprises the constraint component, the connecting component and the limiting component, wherein the constraint component and the connecting component are connected into a whole in a deformable way and form a plurality of constraint units capable of deforming between an unfolding state and a folding state, a filling cavity for filling filler is arranged in each constraint unit, the shape of the filling cavity corresponds to that of the constraint unit, the limiting component is used for detachably connecting the constraint component and/or the connecting component, and when the limiting component is connected with the constraint component and/or the connecting component, the shapes of the constraint component and the connecting component are limited and the constraint unit is limited to be in the unfolding state; when the limiting assembly is separated from the restraining assembly and/or the connecting assembly, the shapes of the restraining assembly and the connecting assembly can be changed and the restraining unit can be deformed between an unfolded state and a folded state, so that the folding type restraining structure for the shell structure can be used for manufacturing the restraining assembly, the connecting assembly and the limiting assembly in a modularized mass production mode in a factory, the restraining assembly, the connecting assembly are assembled into a whole, then the limiting assembly and the restraining assembly and the connecting assembly which are assembled into a whole and the restraining unit in the folded state are transported to a work construction site, then the restraining assembly and the connecting assembly which are assembled into a whole are unfolded on the work construction site so that the restraining unit is in the unfolded state, then the limiting assembly is connected with the restraining assembly and/or the connecting assembly to limit the restraining unit to the unfolded state, and finally the packing is filled in a plurality of filling cavities of the restraining structure, and therefore the folding type restraining structure for the shell structure has the advantages of being convenient to transport and capable of modularized mass production.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a top view of a first embodiment of a folding constraint structure for a grenade structure according to the present utility model;

FIG. 2 is a perspective view of the folding constraint structure for the grenade structure of FIG. 1;

FIG. 3 is an exploded view of a portion of the components and/or assemblies of area A of FIG. 1;

FIG. 4 is a perspective view of one embodiment of a second connection structure in the first connection member in the folded constraint structure for a grenade structure of FIG. 1;

FIG. 5 is a perspective view of another embodiment of a second connection structure in the first connection member in the folded constraint structure for a grenade structure of FIG. 1;

FIG. 6 is a perspective view of an embodiment of a first restraint limiter in the folded restraint structure for the paintball structure of FIG. 1;

FIG. 7 is a perspective view of an embodiment of a second restraint limiter in the folded restraint structure for the paintball structure of FIG. 1;

FIG. 8 is a top view of a second embodiment of a folding constraint structure for a paintball structure according to the present utility model;

FIG. 9 is a perspective view of the folding constraint structure for the shroud structure of FIG. 8;

FIG. 10 is an exploded view of a portion of the components and/or assemblies in the folding constraint structure for the shell structure of FIG. 8;

FIG. 11 is a top view of a third embodiment of a folding type restraining structure for a shelter structure according to the present utility model, wherein both a restraining element and a fill cavity disposed within the restraining structure are of a right quadrangular shape;

fig. 12 is a perspective view of the folding constraint structure for the paintball structure of fig. 11.

Description of the reference numerals

1. Filling chamber 2, first restraint

3. First connecting piece 4, second restraint

5. Limiting piece 6 and first clamping structure

7. First constraint limiter 8, second constraint limiter

21. First body 22 and first connection structure

23. Fourth clamping structure

31. Second connection structure 32, pivot shaft

311. First connecting portion 312 and second clamping structure

313. Mounting hole

71. Second body 72, third clamping structure

73. Third connecting structure

81. Third body 82, fourth connection structure

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

The utility model provides a folding constraint structure for a bullet shielding structure, in particular, as shown in fig. 1 to 7, the constraint structure comprises a constraint component, a connection component and a limiting component, wherein the constraint component and the connection component are connected into a whole in a deformable way and form a plurality of constraint units capable of deforming between an unfolding state and a folding state, a filling cavity 1 for filling filler is arranged in each constraint unit, the shape of the filling cavity 1 corresponds to that of the constraint unit, the limiting component is used for detachably connecting the constraint component and/or the connection component, and when the limiting component is connected with the constraint component and/or the connection component, the shape of the constraint component and the shape of the connection component are limited and the constraint unit is limited to the unfolding state; when the restraining assembly is separated from the restraining assembly and/or the connecting assembly, the shape of the restraining assembly and the connecting assembly may change and the restraining unit may be deformable between an expanded state and a collapsed state.

The folding constraint structure for the bullet shielding structure comprises constraint components, connecting components and limiting components, wherein the constraint components and the connecting components are connected into a whole in a deformable way and form a plurality of constraint units capable of deforming between an unfolding state and a folding state, a filling cavity 1 for filling filler is arranged in each constraint unit, the shape of the filling cavity 1 corresponds to that of the constraint unit, the limiting components are used for detachably connecting the constraint components and/or the connecting components, when the limiting components are connected with the constraint components and/or the connecting components, the shapes of the constraint components and the connecting components are limited, and the constraint units are limited to the unfolding state; when the limiting assembly is separated from the restraining assembly and/or the connecting assembly, the shapes of the restraining assembly and the connecting assembly can be changed and the restraining unit can be deformed between an unfolded state and a folded state, so that the folding type restraining structure for a shielding structure of the present utility model can be used for manufacturing the restraining assembly, the connecting assembly and the limiting assembly in a factory modularized mass production, assembling the restraining assembly, the connecting assembly into a whole, then transporting the limiting assembly and the restraining assembly and the connecting assembly assembled into a whole and the restraining unit in the folded state to a factory building site, then unfolding the restraining assembly and the connecting assembly assembled into a whole at the factory building site so that the restraining unit in the unfolded state, then connecting the limiting assembly with the restraining assembly and/or the connecting assembly to limit the restraining unit to the unfolded state, and finally filling the filling material into a plurality of filling cavities 1 of the restraining structure, and the folding type restraining structure for the present utility model has the following advantages: 1. the steel pipe binding concrete is convenient to transport, can be assembled on site, is convenient to assemble and high in efficiency, can be subjected to modularized replacement when part of the structure is damaged, is favorable for quick repair and cost saving, can be produced in a modularized mode in a large batch, and is low in cost, and 4, materials are reduced (welding parts of adjacent steel pipes in the existing steel pipe binding concrete are overlapped, so that more materials are used compared with the binding structure of the steel pipe binding concrete), and the cost is reduced.

It should be noted that the specific structural forms of the restraint assembly, the connection assembly, the limiting assembly, the restraint unit and the filling cavity 1 may be set according to the needs, which are all within the technical scope of the present utility model. Specific forms of the above features will be exemplified below by way of specific embodiments.

In the folding restraining structure for a grenade structure of the present utility model, the restraining element and the filling chamber 1 are preferably both prismatic in shape in the unfolded state. (e.g., regular triangular prism shape, regular quadrangular prism shape as shown in fig. 11 and 12, regular hexagonal prism shape, etc.) in order to improve the structural strength of the folding type restraining structure for a shelter structure of the present utility model in an unfolded state.

In the above-mentioned folding constraint structure for a grenade structure, in particular, as shown in fig. 2 and 3, the constraint assembly comprises a plurality of first constraint pieces 2, the connection assembly comprises a plurality of first connection pieces 3, the plurality of first constraint pieces 2 are deformably connected with the plurality of first connection pieces 3 as one body and form a plurality of constraint units. Further specifically, the first restraint member 2 includes a first body 21 and first connection structures 22 provided at both ends of the first body 21, respectively, the first connection structures 22 being provided with pivot connection holes penetrating therethrough, and the first connection member 3 includes a plurality of second connection structures 31 and a plurality of pivot shafts 32 connected with the plurality of second connection structures 31, respectively, the pivot shafts 32 being relatively pivotable and penetrating the pivot connection holes in one-to-one correspondence, thereby realizing a plurality of restraint units capable of being deformed between an unfolded state and a folded state by connecting the first body 21, the first connection structures 22, the plurality of second connection structures 31, and the plurality of pivot shafts 32 as one body.

In the above-described folding type restraining structure for a shell structure, further specifically, as shown in fig. 2 to 4, the restraining assembly further includes a plurality of second restraints 4, the plurality of first restraints 2, the plurality of second restraints 4 are deformably connected with the plurality of first connecting members 3 as one body and form a plurality of restraining units, and the second connecting structure 31 is provided with a first connecting portion 311 for fastening connection with the second restraints 4. Further specifically, the first connecting portion 311 is a groove, and the second constraint member 4 is welded to the first connecting portion 311.

In the above-described folding type restraining structure for a shutter structure, further specifically, as shown in fig. 2, 3 and 5, the restraining assembly includes a plurality of restraining members 5 and a plurality of first engaging structures 6 provided on the restraining members 5, and the second connecting structure 31 is provided with second engaging structures 312 corresponding to the first engaging structures 6, so that the restraining unit can be restrained to an expanded state by engaging between the first engaging structures 6 and the second engaging structures 312. More specifically, the first clamping structure 6 is a clamping protrusion or a clamping groove, and the second clamping structure 312 is a clamping groove or a clamping protrusion.

In the above-mentioned folding constraint structure for a bullet shielding structure, as shown in fig. 4 and 5, further specifically, the second connection structure 31 is provided with a plurality of mounting holes 313 for fastening and connecting a plurality of pivot shafts 32 in a one-to-one correspondence, the plurality of pivot shafts 32 penetrate the plurality of mounting holes 313 in a one-to-one correspondence and are fastened and connected with the second connection structure 31, and the first connection portion 311, the second clamping structure 312 and the plurality of mounting holes 313 are uniformly distributed on the second connection structure 31.

It should be noted that the specific shape of the restraining unit and the filling chamber 1 in the deployed state depends on the number and size of the first restraints 2 and the first links 3, respectively, included in one restraining unit, the number of the mounting holes 313 provided on the second connection structure 31, and the number of the pivot shafts 32 included in the first links 3. For example, when the expansion state restraining unit and the filling cavity 1 are both regular hexagonal prism, the restraining unit is formed by sequentially connecting six first restraining members 2 and six first connecting members 3, three mounting holes 313 are formed in the second connecting structure 31, and three pivoting shafts 32 are included in the first connecting members 3.

In the first embodiment of fig. 1 to 7, the restraint unit and the filling cavity 1 are in a regular hexagonal prism shape in the unfolded state, and since the second connecting structure 31 is tightly connected with the second restraint member 4 through the first connecting portion 311, the first connecting member 3 only comprises two pivot shafts 32, only two mounting holes 313 and one first connecting portion 311 or one second clamping structure 312 are arranged on the second connecting structure 31, and the restraint unit is formed by sequentially connecting 4 first restraint members 2, two second restraint members 4 and six first connecting members 3, wherein one of the first connecting portion 311 and the second clamping structure 312 and the plurality of mounting holes 313 are uniformly arranged on the second connecting structure 31.

In the above-mentioned folding constraint structure for a bullet-proof structure, further specifically, as shown in fig. 2, 3, 6 and 7, the constraint structure further includes a first constraint limiter 7 and a second constraint limiter 8, one end of the first constraint limiter 7 is used for detachably connecting the first clamping structure 6, the other end of the first constraint limiter 7 is relatively pivoted and is connected to the pivot shaft 32 in a one-to-one correspondence manner, and two ends of the second constraint limiter 8 are respectively relatively pivoted and are connected to the pivot shafts 32 of the two first connectors 3 in a one-to-one correspondence manner, so that the folding constraint structure for a bullet-proof structure of the present utility model can be completely limited by the limiter 5, the second clamping structure 312, the first constraint limiter 7 and the second constraint limiter 8 so that deformation no longer occurs. Further specifically, as shown in fig. 6, the first constraint limiter 7 includes a second body 71, a third clamping structure 72 provided at one end of the second body 71, and a third connecting structure 73 provided at the other end of the second body 71, the third connecting structure 73 being provided with a pivot connecting hole penetrating through itself, the third clamping structure 72 being for detachably clamping the first clamping structure 6, the third connecting structure 73 being relatively pivotable and being connected to the pivot shaft 32 in one-to-one correspondence; as shown in fig. 7, the second constraint limiter 8 includes a third body 81 and fourth connection structures 82 provided at both ends of the third body 81, respectively, the fourth connection structures 82 being provided with pivot connection holes penetrating themselves, the fourth connection structures 82 being respectively pivotable with respect to each other and connecting the respective pivot shafts 32 of the two first connection members 3 in one-to-one correspondence.

In the above-described folding restraining structure for a shell structure, further specifically, the first connecting member 3 includes a plurality of second connecting structures 31 and a plurality of pivot shafts 32 fixedly connected to the plurality of second connecting structures 31 in parallel with each other, respectively, the plurality of second connecting structures 31 are disposed at uniform intervals along the axial direction of the pivot shafts 32, and a plurality of escape grooves for accommodating the plurality of second connecting structures 31 are disposed at uniform intervals on the first connecting structure 22, the third connecting structure 73, and the fourth connecting structure 82.

It should be noted that the specific structural form of the folding constraint structure for a shell structure according to the present utility model is not limited to the above specific form, and the following description will exemplify the specific form of the present utility model in the second embodiment.

As shown in fig. 8 to 10, the folding constraint structure for a grenade structure of the present utility model comprises a constraint component, a connection component, and a limiting component, wherein the constraint component and the connection component are deformably connected into a whole and form a plurality of constraint units capable of being deformed between an unfolded state and a folded state, a filling cavity 1 for filling filler is arranged in each constraint unit, the shape of the filling cavity 1 corresponds to that of the constraint unit, the limiting component is used for detachably connecting the constraint component and/or the connection component, and when the limiting component is connected with the constraint component and/or the connection component, the shapes of the constraint component and the connection component are limited and the constraint unit is limited to the unfolded state; when the restraining assembly is separated from the restraining assembly and/or the connecting assembly, the shape of the restraining assembly and the connecting assembly may change and the restraining unit may be deformable between an expanded state and a collapsed state.

The folding constraint structure for the bullet shielding structure comprises constraint components, connecting components and limiting components, wherein the constraint components and the connecting components are connected into a whole in a deformable way and form a plurality of constraint units capable of deforming between an unfolding state and a folding state, a filling cavity 1 for filling filler is arranged in each constraint unit, the shape of the filling cavity 1 corresponds to that of the constraint unit, the limiting components are used for detachably connecting the constraint components and/or the connecting components, when the limiting components are connected with the constraint components and/or the connecting components, the shapes of the constraint components and the connecting components are limited, and the constraint units are limited to the unfolding state; when the limiting assembly is separated from the restraining assembly and/or the connecting assembly, the shapes of the restraining assembly and the connecting assembly can be changed and the restraining unit can be deformed between an unfolded state and a folded state, so that the folding type restraining structure for a shielding structure of the present utility model can be used for manufacturing the restraining assembly, the connecting assembly and the limiting assembly in a factory modularized mass production, assembling the restraining assembly, the connecting assembly into a whole, then transporting the limiting assembly and the restraining assembly and the connecting assembly assembled into a whole and the restraining unit in the folded state to a factory building site, then unfolding the restraining assembly and the connecting assembly assembled into a whole at the factory building site so that the restraining unit in the unfolded state, then connecting the limiting assembly with the restraining assembly and/or the connecting assembly to limit the restraining unit to the unfolded state, and finally filling the filling material into a plurality of filling cavities 1 of the restraining structure, and the folding type restraining structure for the present utility model has the following advantages: 1. the steel pipe binding concrete is convenient to transport, can be assembled on site, is convenient to assemble and high in efficiency, can be subjected to modularized replacement when part of the structure is damaged, is favorable for quick repair and cost saving, can be produced in a modularized mode in a large batch, and is low in cost, and 4, materials are reduced (welding parts of adjacent steel pipes in the existing steel pipe binding concrete are overlapped, so that more materials are used compared with the binding structure of the steel pipe binding concrete), and the cost is reduced.

It should be noted that the specific structural forms of the restraint assembly, the connection assembly, the limiting assembly, the restraint unit and the filling cavity 1 may be set according to the needs, which are all within the technical scope of the present utility model. Specific forms of the above features will be exemplified below by way of specific embodiments.

In the folding restraining structure for a grenade structure of the present utility model, the restraining element and the filling chamber 1 are preferably both prismatic in shape in the unfolded state. (e.g., regular triangular prism shape, regular quadrangular prism shape as shown in fig. 11 and 12, regular hexagonal prism shape, etc.) in order to improve the structural strength of the folding type restraining structure for a shelter structure of the present utility model in an unfolded state.

In the above-mentioned folding type restraining structure for a shell structure, specifically, as shown in fig. 9, the restraining assembly includes a plurality of first restraints 2, the connecting assembly includes a plurality of first connecting members 3, and the plurality of first restraints 2 are deformably connected with the plurality of first connecting members 3 as one body and form a plurality of restraining units. Further specifically, the first restraint member 2 includes a first body 21 and first connection structures 22 provided at both ends of the first body 21, respectively, the first connection structures 22 being provided with pivot connection holes penetrating therethrough, and the first connection member 3 includes a plurality of second connection structures 31 and a plurality of pivot shafts 32 connected with the plurality of second connection structures 31, respectively, the pivot shafts 32 being relatively pivotable and penetrating the pivot connection holes in one-to-one correspondence, thereby realizing a plurality of restraint units capable of being deformed between an unfolded state and a folded state by connecting the first body 21, the first connection structures 22, the plurality of second connection structures 31, and the plurality of pivot shafts 32 as one body.

In the above-described folding restraining structure for a shutter structure, further specifically, as shown in fig. 9 and 10, the restraining assembly includes a plurality of restraining pieces 5 and a plurality of first engaging structures 6 provided on the restraining pieces 5, and the first body 21 is provided with fourth engaging structures 23 corresponding to the first engaging structures 6, so that the restraining unit can be restrained in an expanded state by engaging between the first engaging structures 6 and the fourth engaging structures 23. Further specifically, the limiting member 5 is formed to limit the first limiting member 2 and the first connecting member 3 around a portion where the plurality of first limiting members 2 are pivotally connected by the first connecting member 3, the first clamping structure 6 is a clamping projection or a clamping groove, and the fourth clamping structure 23 is a clamping groove or a clamping projection.

In the above-mentioned folding constraint structure for a bullet shielding structure, further specifically, as shown in fig. 10, the second connection structure 31 is provided with a plurality of mounting holes 313 for fastening and connecting a plurality of pivot shafts 32 in one-to-one correspondence, the plurality of pivot shafts 32 penetrate the plurality of mounting holes 313 in one-to-one correspondence and are fastened and connected with the second connection structure 31, and the plurality of mounting holes 313 are uniformly distributed on the second connection structure 31.

In the above-described folding constraint structure for a bullet-proof structure, further specifically, the first connecting member 3 includes a plurality of second connecting structures 31 and a plurality of pivot shafts 32 respectively fastened and connected with the plurality of second connecting structures 31 in parallel to each other, the plurality of second connecting structures 31 are disposed at uniform intervals along the axial direction of the pivot shafts 32, and a plurality of avoidance grooves for accommodating the plurality of second connecting structures 31 are disposed at uniform intervals on the first connecting structure 22.

It should be noted that, the specific structural forms or the shapes and the sizes of the first constraint member 2, the first connecting member 3, the second constraint member 4, the constraint member 5, the first constraint member 7 and the second constraint member 8 may be set according to the needs, which are all within the scope of the technical concept of the present utility model.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims (9)

1. A folding constraint structure for a grenade structure, characterized in that it comprises a constraint assembly, a connection assembly and a definition assembly, said constraint assembly being deformably connected with said connection assembly in one piece and forming a plurality of constraint units capable of being deformed between an unfolded state and a folded state, each of said constraint units being provided with a filling cavity (1) for filling a filler, the shape of said filling cavity (1) corresponding to the shape of said constraint unit, said definition assembly being adapted to detachably connect said constraint assembly and/or said connection assembly, the shape of said constraint assembly and said connection assembly being defined and said constraint unit being defined in said unfolded state when said definition assembly is connected with said constraint assembly and/or said connection assembly; when the restraining assembly is separated from the restraining assembly and/or the connecting assembly, the shape of the restraining assembly and the connecting assembly may change and the restraining unit may be deformable between an expanded state and a collapsed state.

2. A folding constraint structure for a grenade structure according to claim 1, characterized in that, in the unfolded state, the constraint unit and the filling chamber (1) are both right prismatic.

3. A folding constraint structure for a grenade structure according to claim 2, characterized in that said constraint assembly comprises a plurality of first constraint elements (2), said connection assembly comprises a plurality of first connection elements (3), said plurality of first constraint elements (2) being deformably connected to said plurality of first connection elements (3) in one piece and forming a plurality of said constraint units.

4. A folding constraint structure for a grenade structure according to claim 3, characterized in that the first constraint (2) comprises a first body (21) and first connection structures (22) respectively arranged at both ends of the first body (21), the first connection structures (22) being provided with pivot connection holes, the first connection (3) comprising a plurality of second connection structures (31) and a plurality of pivot shafts (32) respectively connected with a plurality of the second connection structures (31), the pivot shafts (32) being relatively pivotable and penetrating through the pivot connection holes in a one-to-one correspondence.

5. A folding constraint structure for a grenade structure according to claim 4, characterized in that the constraint assembly further comprises a plurality of second constraints (4), said plurality of first constraints (2), said plurality of second constraints (4) being deformably connected with said plurality of first connectors (3) and forming a plurality of said constraint units, said second connection structure (31) being provided with a first connection (311) for connection with said second constraints (4).

6. A folding constraint structure for a grenade structure according to claim 4, characterized in that said limiting assembly comprises a limiting member (5) and a plurality of first clamping structures (6) provided on said limiting member (5), said second connection structure (31) being provided with a second clamping structure (312) corresponding to said first clamping structure (6).

7. A folding constraint structure for a grenade structure according to any one of claims 4 to 6, characterized in that said second connection structure (31) is provided with a plurality of mounting holes (313) for fastening a plurality of said pivot shafts (32) in a one-to-one correspondence, a plurality of said pivot shafts (32) passing through a plurality of said mounting holes (313) in a one-to-one correspondence and being fastened with said second connection structure (31).

8. A folding constraint structure for a grenade structure according to claim 6, characterized in that it further comprises a first constraint limiter (7) and a second constraint limiter (8), one end of the first constraint limiter (7) being adapted to be detachably connected to the first clamping structure (6), the other end of the first constraint limiter (7) being relatively pivotable and connected to the pivot shafts (32) in a one-to-one correspondence, and both ends of the second constraint limiter (8) being respectively relatively pivotable and connected to the pivot shafts (32) of each of the two first connectors (3) in a one-to-one correspondence.

9. A folding constraint structure for a screening arrangement according to any of the claims 4 to 6, characterized in that the first connection member (3) comprises a plurality of the second connection structures (31) and a plurality of the pivot shafts (32) fastened to the plurality of the second connection structures (31) respectively in parallel with each other, the plurality of the second connection structures (31) being arranged at regular intervals in the axial direction of the pivot shafts (32), and the first connection structure (22) being provided at regular intervals with a plurality of relief grooves for accommodating the plurality of the second connection structures (31).