CN214833888U - Injection molding type connecting assembly and steel bar truss floor support plate - Google Patents

Abstract

The embodiment of the utility model provides a coupling assembling and steel bar truss building carrier plate of injection moulding formula, wherein, the coupling assembling of injection moulding formula, include: the metal connecting piece is provided with a first surface and a second surface which are arranged in an opposite way, and is provided with a mounting hole which penetrates through the first surface and the second surface; the supporting piece penetrates through the mounting hole and is connected to the metal connecting piece in an injection molding mode; wherein, support piece includes joint and supporting seat, joint and first face butt, and supporting seat and second face butt have the connecting hole on the supporting seat. The embodiment of the utility model provides a technical scheme can realize building carrier plate body and steel bar truss's being connected through coupling assembling, improves metal connecting piece's height through support piece for the concrete changes the bottom that gets into metal connecting piece, avoids metal connecting piece to expose and leads to the corrosion, wraps up the fastener through support piece, prevents the contact of concrete and fastener, avoids the fastener to be wrapped up by the concrete, reduces the dismantlement degree of difficulty of fastener.

Description

Injection molding type connecting assembly and steel bar truss floor support plate

Technical Field

The embodiment of the utility model provides a relate to building technical field, especially, relate to a coupling assembling and steel bar truss building carrier plate of injection moulding formula.

Background

With the continuous development of the building industry, the detachable steel bar truss floor deck is gradually applied to various buildings, such as residential buildings. Detachable steel bar truss building carrier plate has accelerated the construction progress, has reduced the construction and has used interim support, can realize quick installation, template reuse.

In the prior art, a steel bar truss of a detachable steel bar truss floor support plate is connected with a bottom die through a connecting piece, and the connecting piece is connected with the bottom die through a screw. There are three disadvantages, however: 1) the steel bar truss and the connecting piece are buckled, and can slide in the construction stage of the floor bearing plate, and the sliding can increase the deformation of the bottom die, so that the flatness of the bottom of the formed floor slab can possibly fail to meet the acceptance standard; 2) after the bottom die is removed, the connecting pieces directly expose to the outside and directly contact with air, so that the connecting pieces are corroded, and the appearance effect of the bottom of the floor slab is influenced; 3) after current screw and connecting piece are connected, the screw can expose partly usually, and when pouring concrete on the die block, the screw can be wrapped up in the concrete, increases the degree of difficulty of dismantling the die block.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem, provided the embodiment of the utility model to a coupling assembling and steel bar truss building carrier plate of injection moulding formula of solving above-mentioned problem is provided.

The embodiment of the utility model provides a coupling assembling of formula of moulding plastics, include:

the metal connecting piece is provided with a first surface and a second surface which are arranged oppositely, and is provided with a mounting hole which penetrates through the first surface and the second surface;

the supporting piece penetrates through the mounting hole and is connected to the metal connecting piece in an injection molding mode; the supporting piece comprises a clamping joint and a supporting seat, the clamping joint is abutted to the first surface, the supporting seat is abutted to the second surface, and the supporting seat is provided with a connecting hole.

Optionally, the diameter of the support seat gradually decreases from an end facing the second face to an end away from the second face.

Optionally, the outer wall of the supporting seat is provided with a convex structure and/or a concave structure.

Optionally, the number of the mounting holes is multiple, and the multiple mounting holes are arranged at intervals along the length direction of the metal connecting piece;

the supporting piece is arranged on at least one part of the mounting hole.

Optionally, the mounting hole is of a circular or non-circular configuration.

Optionally, the metal connecting piece comprises a bottom plate and two side plates connected to two opposite sides of the bottom plate, and the bottom plate and the two side plates form a U-shaped groove structure;

the bottom plate is located the one side in the U type groove structure does first face, the mounting hole sets up on the bottom plate.

Optionally, the clamping joint is respectively abutted with the two side plates.

Optionally, the bayonet head is of rectangular configuration.

Optionally, the included angle between the bottom plate and the side plate may be an acute angle, a right angle or an obtuse angle.

Optionally, one end of each of the two side plates, which is far away from the bottom plate, is provided with a folded edge.

Optionally, the included angle between the side plate and the folded edge may be an acute angle, a right angle or an obtuse angle.

Optionally, the joint between the side plate and the folded edge is a rounded arc structure.

Correspondingly, the embodiment of the utility model provides a steel bar truss building carrier plate is still provided, include:

a floor deck plate body;

the connecting component groups in each row comprise a plurality of connecting components arranged at intervals; the connection assembly, comprising: metal connecting pieces and supporting pieces;

the metal connecting piece is provided with a first surface and a second surface which are arranged in an opposite way, and is provided with a mounting hole which penetrates through the first surface and the second surface;

the supporting piece penetrates through the mounting hole and is connected to the metal connecting piece in an injection molding mode; the supporting piece comprises a clamping joint and a supporting seat, the clamping joint is abutted against the first surface, the supporting seat is abutted against the second surface, a connecting hole is formed in the supporting seat, and one end of a fastener can penetrate through the floor bearing plate body to be connected with the connecting hole;

and the metal connecting pieces positioned in the same connecting component group are fixedly connected with at least one steel bar truss.

Optionally, the floor support plate body is one of a galvanized plate, a galvanized alloy plate, a patterned steel plate, a bamboo plywood plate, a wood template, a wood-plastic plate, an injection molding plate, an aluminum alloy template and a profiled steel plate.

Optionally, when the floor support plate body is a profiled steel plate, the profiled steel plate is provided with convex ribs and concave ribs which are arranged at intervals;

the connecting assembly is connected to the convex rib.

Optionally, the steel bar truss and the metal connecting piece are fixed by welding.

Alternatively, the metal connecting pieces in different connecting component groups can be arranged opposite to each other or staggered.

In addition, optionally, at least a part of the metal connecting pieces in different connecting component groups are oppositely arranged, and at least a part of the metal connecting pieces are staggered.

The embodiment of the utility model provides a technical scheme, steel bar truss and metal connecting piece can adopt the welded connection mode, have increased the building carrier plate of using this coupling assembling at the rigidity of construction stage to reduce the deformation of building carrier plate body at the construction stage, made this building carrier plate have the effect of the board end roughness better. Simultaneously, coupling assembling can be used to connect the steel bar truss on the floor carrier plate body, and coupling assembling accessible fastener and floor carrier plate body are connected, can improve metal connecting piece's height through support piece for the concrete is changeed the bottom that gets into metal connecting piece, makes the concrete change parcel coupling assembling, avoids metal connecting piece directly to expose and leads to rustting. Simultaneously, live the fastener parcel through support piece, prevent the contact of concrete and fastener, avoid the fastener to be wrapped up by the concrete, reduce the dismantlement degree of difficulty of fastener, improve and dismantle efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a connection assembly in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a connection assembly according to an embodiment of the present invention;

fig. 3 is a schematic top view of a connection assembly according to an embodiment of the present invention;

fig. 4 is a schematic bottom view of a connecting assembly according to an embodiment of the present invention;

fig. 5 is a schematic front view of a connecting assembly according to an embodiment of the present invention;

fig. 6 is a schematic sectional view of a steel bar truss floor deck according to an embodiment of the present invention;

fig. 7 is a schematic sectional view of another steel bar truss floor deck according to an embodiment of the present invention;

fig. 8 is a schematic side view of a connecting assembly according to an embodiment of the present invention;

fig. 9 is a schematic side view of a cross-sectional structure of a connection assembly according to an embodiment of the present invention;

fig. 10 and 11 are schematic plane structures of connection assemblies according to different implementations in an embodiment of the present invention;

fig. 12 and 13 are schematic sectional structural diagrams of steel bar truss floor decks according to different implementations in an embodiment of the present invention;

fig. 14 to 17 are schematic top view structural diagrams of different arrangement modes of the connection assembly in the embodiment of the present invention, and the steel bar truss is omitted.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope protected by the embodiments of the present invention.

The inventor finds in practice that the embodiment of the utility model provides a time, in the prior art, detachable steel bar truss floor carrier plate is very difficult when using, when dismantling. Simultaneously, detachable steel bar truss floor carrier plate is when using, and under gravity load and the impact load effect when concreting, relative slip takes place easily between steel bar truss and the die block board, has increased the deflection of die block board from this, has influenced the roughness of floor bottom.

The reason for this is that after the screw is connected with the connecting piece, the screw usually can expose partly, and when pouring concrete on the die block, the screw can be wrapped up by the concrete, increases the degree of difficulty of dismantling the die block. The steel bar truss and the plastic connecting piece can only adopt a non-welding connecting mode, such as buckling connection, so that the relative sliding between the steel bar truss and the bottom template is difficult to avoid.

To the problem, the embodiment of the utility model provides a coupling assembling and steel bar truss building carrier plate of injection moulding formula can effectively avoid because the screw is taken place by the condition of the dismantlement difficulty that the concrete parcel leads to, avoids taking place relative slip between steel bar truss and the die block board simultaneously.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "first" and "second" are only used for convenience in describing different components or names, and are not to be construed as indicating or implying a sequential relationship, relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

Fig. 1 is a schematic perspective view of a connection assembly 100 in an embodiment of the present invention, and fig. 2 is a schematic sectional view of a connection assembly 100 in an embodiment of the present invention, as shown in fig. 1 and fig. 2.

An embodiment of the utility model provides a coupling assembling 100, include: metal connecting member 10 and supporting member 20. The metal connecting member 10 has a first surface and a second surface opposite to each other, and has a mounting hole 11 penetrating through the first surface and the second surface. Taking the orientation in fig. 1 and 2 as an example, the first surface is the upward surface, and the second surface is the downward surface.

Referring to fig. 3 to 5 in conjunction with fig. 1 and 2, the supporting member 20 is inserted into the mounting hole 11 and connected to the metal connecting member 10 by injection molding. Wherein, support member 20 includes joint 21 and supporting seat 22, and joint 21 and first face butt, supporting seat 22 and second face butt have connecting hole 23 on the supporting seat 22, and supporting seat 22 is served towards one of below and is equipped with connecting hole 23 promptly for be connected with the fastener. After the support member 20 is connected to the metal connecting member 10 by injection molding, the clamping head 21 is limited on the first surface, the supporting seat 22 is limited on the second surface, an intermediate connection portion is further arranged between the clamping head 21 and the supporting seat 22, and the intermediate connection portion is arranged in the mounting hole 11 in a penetrating manner, so that the position between the support member 20 and the metal connecting member 10 is fixed. The support base 22 may be coupled to the fastener through the coupling hole 23 to wrap the fastener and prevent the fastener from being exposed.

The embodiment of the utility model provides a technical scheme, referring to fig. 5 and fig. 6, coupling assembling 100 can be used to connect steel bar truss 300 on floor support plate body 200, and coupling assembling 100 accessible fastener is connected with floor support plate body 200, and the fastener can pass floor support plate body 200 and be connected with connecting hole 23 on support piece 20. The height of the metal connecting piece 10 can be increased through the supporting seat 22 in the supporting piece 20, so that a gap is formed between the metal connecting piece 10 and the floor deck plate body 200, the concrete can enter the bottom of the metal connecting piece 10 more easily, the concrete can wrap the connecting assembly 100 more easily, and rusting caused by exposure of the metal connecting piece 10 is avoided. Simultaneously, live the fastener parcel through support piece 20, prevent the contact of concrete and fastener, avoid the fastener to be wrapped up by the concrete, reduce the dismantlement degree of difficulty of fastener, improve and dismantle efficiency.

In addition, can adopt the welded connection mode between steel bar truss 300 and the metal connecting piece 10 for steel bar truss 300, coupling assembling 100 and floor deck plate body 200 form a whole, thereby increased the rigidity of the floor deck of using this coupling assembling 100 at the construction stage, thereby reduced the deformation of floor deck plate body 200 at the construction stage, make this floor deck plate have the effect of the lower plate roughness better.

The embodiments of the present invention will be described in further detail with reference to the following detailed description.

In some embodiments of the present invention, the metal connecting member 10 includes but is not limited to a metal material such as stainless steel, galvanized sheet, galvanized alloy sheet, etc. The supporting member 20 is made of, but not limited to, a plastic material, a rubber material, etc., and is formed by an injection molding process, and is connected to the metal connecting member 10 by injection molding, that is, the card connector 21 and the supporting seat 22 are integrally formed, so as to avoid a secondary connection between the card connector 21 and the supporting seat 22, and avoid a situation that the card connector 21 and the supporting seat 22 are separated or broken. Referring to fig. 8 and 9, during injection molding, the injection molding material partially penetrates through the mounting hole 11, a support seat 22 is formed on the second surface, the support seat 22 is limited on the second surface, a clamping head 21 is formed on the first surface, the clamping head 21 is limited on the first surface, and after the injection molding material is solidified, the support member 20 and the metal connecting member 10 form a whole, i.e., the connecting assembly 100 is formed.

Referring to fig. 6 and 7, the connecting assembly 100 may be connected to the deck plate 200 by fasteners (not shown) which pass through the deck plate 200 from one side of the deck plate 200 and connect with the connecting holes 23 of the support base 22 to fix the connecting assembly 100 to the deck plate 200. Fasteners include, but are not limited to, screws, self-tapping screws, and the like, including, but not limited to, full threads, half threads. The screw and the self-tapping screw are made of materials including, but not limited to, iron materials and stainless steel materials. The screw includes, but is not limited to, a hexagon socket screw, a cross screw, a straight screw, etc. Further, for convenience of installation, through holes may be provided in a predetermined position of the floor support plate body 200 in advance, the through holes corresponding to the openings of the connection holes 23, and screws may be connected to the connection holes 23 through the through holes.

The embodiment of the utility model provides an in, fastener and connecting hole 23's connected mode includes the multiple, and an achievable mode is, connecting hole 23 be with fastener complex screw hole, the fastener can be the screw, the screw rod of screw can directly twist into connecting hole 23 in, realize connecting. Further, in order to improve the connection strength between the fastening member and the supporting seat 22, the depth of the connection hole 23 is greater than the length of the screw screwed into the connection hole 23, and when the screw is connected with the supporting seat 22, the screw rod of the screw penetrates through the floor bearing plate body 200 and then extends into the connection hole 23 to be connected with the connection hole 23. If the depth of the screw rod extending into the connecting hole 23 is insufficient, the length of the screw for connection is insufficient, so that the connection strength is insufficient. Or, in order to facilitate the use of the screw, the head of the screw is usually thinner than the body of the screw, if the head of the screw is connected with the connecting hole 23, the connecting strength provided by the head of the screw is smaller, if the depth of the connecting hole 23 is greater than the length of the screw screwed into the connecting hole 23, namely, after the screw extends into the connecting hole 23, the screw of the screw completely extends into the connecting hole 23, and the part of the connecting hole 23, which exceeds the screw, provides a containing space for the head of the screw, so that the screw is connected with the connecting hole 23 through the body of the screw, thereby improving the connecting strength.

Another way of connecting the fastener to the connection hole 23 is that the radial dimension of the connection hole 23 is slightly smaller than the radial dimension of the fastener, and the fastener and the connection hole 23 can be connected by interference fit. For example, the fastening member may be a tapping screw, and when the tapping screw is screwed into the connection hole 23, the connection hole 23 is pressed, and the connection hole 23 wraps the tapping screw, thereby achieving connection.

The embodiment of the utility model provides an in, can make the second face place plane of metal connecting piece 10 be higher than floor support plate body 200 place plane through support piece 20, when coupling assembling 100 fixes on floor support plate body 200, metal connecting piece 10 and connecting plate body contactless can make the concrete get into the bottom of metal connecting piece 10 more easily, wrap up metal connecting piece 10 more easily promptly to reduce exposing of metal connecting piece 10. Meanwhile, the fastener can be wrapped by the supporting piece 20, so that the fastener for connection can be prevented from contacting with concrete and being wrapped by the concrete, the fastener is easier to detach, and the detachment efficiency is improved. After the concrete solidifies, get rid of on the floor carrier plate of floor carrier plate body 200, only support member 20's bottom exposes outside, support member 20 that plastic material or rubber materials made is convenient for be connected with sealing material, for example support member 20 is connected with sealing material, and simultaneously, support member 20 can not rust, can avoid the influence of rust to the bottom outward appearance of floor plate.

With continued reference to fig. 6 and 7, the steel bar truss 300 can be connected to the floor deck plate 200 through the connecting assembly 100, in the embodiment of the present invention, one way of implementing the steel bar truss 300 is that the steel bar truss 300 includes an upper chord steel bar 301, two lower chord steel bars 302 located at two sides below the upper chord steel bar 301, and web members 303 with two ends respectively fixedly connected to the upper chord steel bar 301 and the lower chord steel bars 302. The steel bar truss 300 is respectively connected and fixed with the metal connecting piece 10 through the two lower chord steel bars 302, the lower chord steel bars 302 are connected with the metal connecting piece 10 in a welding mode, sliding cannot occur between the steel bar truss 300 and the metal connecting piece 10, the steel bar truss 300 and the floor support plate body 200 form a whole body, the steel bar truss and the floor support plate body 200 can be stressed and deformed jointly, the situation that relative sliding easily occurs between the steel bar truss 300 and the floor support plate body 200 in the construction stage is avoided, the rigidity of the floor support plate in the floor construction stage is increased, the deformation of the bottom template is reduced, and the flatness of the bottom of the floor is better guaranteed.

Further, according to different requirements, the steel bar trusses 300 with different specifications can be selected, and the specifications of the upper chord steel bars 301, the lower chord steel bars 302 and the web member steel bars 303 of the steel bar trusses 300 with different specifications can also be different, for example, the diameter range of the lower chord steel bars 302 can be selected according to different requirements, and the size range is different between 6 mm and 14 mm. The types of the upper chord reinforcements 301, the lower chord reinforcements 302 and the web member reinforcements 303 of the steel bar trusses 300 of different specifications may be different, and the types of the upper chord reinforcements 301, the lower chord reinforcements 302 and the web member reinforcements 303 of the same steel bar truss 300 may be different. For example, the rebar can be plain round rebar, ribbed rebar, and the like.

Be connected through coupling assembling 100 between steel bar truss 300 and the building carrier plate body 200, during the concreting, the concrete can wrap up coupling assembling 100, the bottom place plane of metal connecting piece 10 is higher than building carrier plate body 200 place plane, the bottom place plane of metal connecting piece 10 has the clearance between the plane of building carrier plate body 200 place, can make the concrete get into the bottom of metal connecting piece 10 more easily, make the concrete wrap up metal connecting piece 10 more easily, solidify into the building carrier plate when the concrete, when dismantling building carrier plate body 200 from the building carrier plate, in order to reduce the exposure of metal connecting piece 10 on the building carrier plate.

The embodiment of the utility model provides an in, floor support plate body 200 is including but not limited to for one in galvanized sheet, zinc-plated alloy board, decorative pattern steel sheet, bamboo plywood, plank sheathing, wood-plastic panel, the board of moulding plastics, aluminum alloy template, profiled sheet. Referring to fig. 7, when the floor deck plate 200 is a profiled steel plate, the profiled steel plate has protruding ribs 201 and concave ribs arranged at intervals, and the connecting assembly 100 is connected to the protruding ribs 201. After the concrete is solidified on the profiled steel sheet, the floor deck of the floor deck plate body 200 is removed, the position of the metal connecting piece 10 is an upward concave structure, and the concave structure can be filled with sealing material, so that the bottom of the supporting piece 20 is covered by the sealing material, and the supporting piece 20 is prevented from being exposed.

For example, when the floor deck panel 200 is a profiled steel sheet, it is not limited to be formed by pressing a sheet such as galvanized sheet or cold-rolled sheet. Two adjacent profiled sheet accessible are located a plurality of convex ribs 201 and the mutual gomphosis overlap joint of a plurality of concave ribs of edge, and convex rib 201 and concave rib that the looks gomphosis is in the same place can make two profiled sheet overlap joints reliable, and can effectively avoid leaking the thick liquid. The plurality of floor deck plates 200 are overlapped to form an integral structure, thereby improving continuous supporting force. Metal connecting piece 10 is connected with profiled steel sheet, and metal connecting piece 10 adopts welding mode to be connected with steel bar truss 300, and profiled steel sheet can participate in the atress at the construction stage, avoids the deformation of building carrier plate at the construction stage, consequently, can effectively improve the roughness effect of building carrier plate bottom. The part of the floor deck, which is sunken upwards, can be filled with elastic bonding mortar or wall mud materials or plugging materials with similar performance.

In order to further improve the rigidity of the profiled steel sheet, the profiled steel sheet is also provided with transverse ribbing so as to enhance the rigidity of the profiled steel sheet, reduce the deformation and improve the flatness effect of the bottom of the floor slab.

When adopting profiled sheet to be floor deck plate body 200, profiled sheet is disposable as removable die block, can satisfy relevant technical specification requirement, still has the residual value about raw and other materials cost 40% after the profiled sheet is demolishd, for the removable die block of bamboo offset plate or the removable die block of aluminum alloy, profiled sheet has market competition economically. And the profiled steel sheet does not need to return to a factory to do a large amount of work such as cleaning, detection and secondary processing, so that the investment of production personnel is greatly reduced, the production procedures are reduced, the production efficiency is accelerated, and the production cost is reduced. Simultaneously, adopt profiled steel sheet as the die block, there is not horizontal overlap joint in the die block, profiled steel sheet arranges for leading to long, and steel bar truss 300 adopts welding mode to be connected with coupling assembling 100, therefore profiled steel sheet can participate in the atress at the construction stage, compares other types of removable truss plates and has better rigidity at the construction stage, has stronger ability of resisting construction load deformation, can improve the roughness effect of floor support plate bottom greatly.

Referring to fig. 8 and 9 in conjunction with fig. 2, in order to enhance the connection stability between the supporting member 20 and the concrete, in the embodiment of the present invention, it is realized that the diameter of the supporting seat 22 is gradually reduced from the end facing the second surface to the end away from the second surface. The shape of supporting seat 22 is roughly the round platform structure of narrow down wide in the top, and after concreting, the concrete can be along supporting seat 22 lateral wall parcel supporting seat 22, based on the structure of supporting seat 22 to make the concrete can firmly live supporting seat 22 cladding, support piece 20 and be connected between the concrete more stably. Simultaneously, because the shape of supporting seat 22 is wide from top to bottom narrow, when using, supporting seat 22 passes through narrow end and the butt of floor deck plate body 200 to can effectively reduce the area of contact between supporting seat 22 and the floor deck plate body 200, when concreting, reduce the exposure part of supporting seat 22. After the concrete has set, the deck plate 200 is removed and only the narrow ends of the support bases 22 are exposed to the outside, thereby reducing the impact on the appearance of the deck plate.

Further, in order to enhance the connection stability between the supporting member 20 and the concrete, the outer wall of the supporting seat 22 is provided with a convex structure and/or a concave structure. The protruding structure extends along the radial direction of the support seat 22, and when concrete is poured, the concrete can cover the protruding structure, so that the connection stability between the support member 20 and the concrete is further improved. Alternatively, a concave structure is arranged on the outer wall of the supporting seat 22. When concrete is poured, the concrete can penetrate into the concave structure, so that the area of the concrete coating support seat 22 is increased, and the connection stability between the support member 20 and the concrete is further improved. It should be noted that the convex structure and the concave structure can be combined on the outer wall of the supporting seat 22, so as to improve the connection stability between the supporting member 20 and the concrete in various ways.

Referring to fig. 10 and 11 in combination with fig. 1 to 4, in the embodiment of the present invention, for convenience of a plurality of different setting manners, a plurality of mounting holes 11 are provided, and the plurality of mounting holes 11 are arranged at intervals along the length direction of the metal connecting member 10. At least a portion of the mounting hole 11 is provided with a support member 20. Through setting up a plurality of mounting holes 11, can set up support piece 20 in different positions according to the demand, for example, when required joint strength is higher, can set up support piece 20 more on metal connecting piece 10, when required joint strength is lower, can set up support piece 20 less on metal connecting piece 10, the mode of setting is nimble various, can satisfy different operating mode demands.

Further, when not connecting support member 20 on some mounting holes 11, the accessible does not set up mounting hole 11 of support member 20 and uses as leaking the thick liquid hole, coupling assembling 100 is at the in-process of concreting, the concrete can pass the bottom that leaks thick liquid hole (being mounting hole 11) entering metal connecting piece 10 on the metal connecting piece 10, the concrete solidification back, the concrete of metal connecting piece 10 upper and lower both sides passes through leaking the thick liquid hole and forms an organic whole, when improving the joint strength between concrete and the metal connecting piece 10, the production of bubble in the concrete can effectively be reduced, the effect of pouring has been improved.

Further, the mounting hole 11 may have various shapes according to different requirements, and one way to achieve the mounting hole 11 has a circular structure. The mounting hole 11 of circular structure makes more easily, does not have structures such as contained angle in the hole, when carrying out support piece 20 operation of moulding plastics, and support piece 20 easily laminates on the pore wall of mounting hole 11, reduces the production of bubble for support piece 20's structural strength is better, and support piece 20 and the connection between the metal connecting piece 10 are more stable.

Another way of realising the mounting hole 11 is that the mounting hole 11 is of a non-circular configuration. The mounting hole 11 may be rectangular, oval or other shapes, and the non-circular structure of the mounting hole 11 may prevent the support member 20 from rotating when being connected to the fastener, thereby improving the connection efficiency and the connection strength.

Referring to fig. 1, 8 and 9, in the embodiment of the present invention, a metal connecting member 10 can be realized in a manner that the metal connecting member 10 includes a bottom plate 12 and two side plates 13 connected to two opposite sides of the bottom plate 12, and the bottom plate 12 and the two side plates 13 form a U-shaped groove structure. The one side that bottom plate 12 is located U type groove structure is first face, and mounting hole 11 sets up on bottom plate 12. The metal connecting member 10 may be connected to the steel bar truss 300 through an end of the side plate 13 away from the bottom plate 12, for example, the metal connecting member 10 may be welded to the steel bar truss 300 through an end of the side plate 13 away from the bottom plate 12. The two side plates 13 can support the steel bar truss 300 at multiple points, so that the position of the steel bar truss 300 is prevented from shifting, and the connection stability of the steel bar truss 300 is improved. When the supporting member 20 is connected to the metal connecting member 10, the clamping connector 21 is located inside the U-shaped groove structure, and the supporting seat 22 is located outside the U-shaped groove structure.

To prevent the rotation of the supporting member 20 when the supporting member 20 is connected to the fastening member, the snap joints 21 are respectively abutted against the two side plates 13. When the support member 20 is coupled to the fastener, the support member 20 is not rotated by the restriction of the engagement head 21 and the side plate 13, and the fastener can be stably coupled. Further, to better achieve abutment with the side plate 13, the latch 21 may have a rectangular configuration.

Further, the included angle between the bottom plate 12 and the side plate 13 may be an acute angle, a right angle, or an obtuse angle. Taking the right side plate 13 in fig. 8 and 9 as an example, the angle between the bottom plate 12 and the side plate 13 may be 45 degrees, 90 degrees, 135 degrees, etc. in the clockwise direction from the bottom plate 12 to the side plate 13. Of course, according to the demand of difference, the contained angle between bottom plate 12 and the curb plate 13 also can set up to other numbers of degrees, the embodiment of the utility model provides an in, do not specifically prescribe a limit to the contained angle scope between bottom plate 12 and the curb plate 13, arbitrary angle all can satisfy the demand.

Through setting up the contained angle between bottom plate 12 and the curb plate 13, can improve the stability of being connected between curb plate 13 and the steel bar truss 300, if can set up the angle of the contained angle between bottom plate 12 and the curb plate 13 to 90 degrees, the biography power route of contact point between two curb plates 13 and the steel bar truss 300 is most direct like this to make two curb plates 13 support steel bar truss 300 more stable.

Further, for the support intensity who improves curb plate 13, in the embodiment of the utility model provides an, the one end that bottom plate 12 was kept away from to two curb plates 13 all is equipped with hem 14. The folded edge 14 can be bent towards the outside of the groove of the U-shaped groove structure and can also be bent towards the inside of the groove of the U-shaped groove structure. The support strength of the side plate 13 can be improved by the folded edge 14, and the side plate 13 is prevented from being deformed by the gravity of the steel bar truss 300. Meanwhile, when the metal connecting member 10 is connected to the steel bar truss 300, the folded edge 14 may further increase a contact area between the metal connecting member 10 and the steel bar truss 300, so as to improve connection strength and stability.

The degree of buckling of hem 14 can be adjusted correspondingly according to the demand of difference, the embodiment of the utility model provides an in, contained angle between curb plate 13 and the hem 14 can be acute angle, right angle or obtuse angle. For example, the angle between the flap 14 and the side panel 13 may be 30 degrees, 15 degrees, 60 degrees, 135 degrees, etc. Of course, according to the demand of difference, the contained angle between curb plate 13 and the hem 14 also can set up to other numbers of degrees, the embodiment of the utility model provides an in, do not specifically prescribe a limit to the contained angle scope between curb plate 13 and the hem 14, arbitrary angle all can satisfy the demand.

Further, in order to improve the strength of the folded edge 14, in the embodiment of the present invention, the connection between the side plate 13 and the folded edge 14 is a smooth arc structure. When the folded edge 14 is bent relative to the side plate 13, the folded edge can be smoothly bent, so that the length of the connecting position between the folded edge 14 and the steel bar truss 300 can be increased, the connecting area between the folded edge 14 and the steel bar truss 300 can be increased, the folded edge 14 can be prevented from being penetrated when welding operation is performed, and the connecting stability of welding spots can be improved.

The following describes how the connection assembly 100 provided by the embodiments of the present invention is used.

In the embodiment of the present invention, the using process of the connecting assembly 100 includes, but is not limited to, the following steps:

step S101: firstly, connecting a plurality of supporting pieces 20 on a metal connecting piece 10 in an injection molding mode to form a connecting assembly 100;

step S102: then, a plurality of connecting assemblies 100 are installed at preset positions and are arranged on the floor deck plate body 200 at intervals to form connecting assembly 100 groups, and each floor deck plate body 200 can be provided with at least one row of connecting assembly 100 groups;

step S103: the connection of the connection assembly 100 to the floor deck plate 200 is accomplished by fasteners, including but not limited to screws, which pass through the floor deck plate 200 and extend into the connection holes 23 of the support base 22 to connect the connection assembly 100 to the floor deck plate 200;

step S104: placing the steel bar truss 300 on the corresponding connecting component 100 group, and welding and fixing the lower chord steel bars 302 of the steel bar truss 300 on the metal connecting piece 10 in a welding mode to avoid sliding between the steel bar truss 300 and the metal connecting piece 10;

step S105: repeating the steps S101 to S104 to finish the manufacture of the steel bar truss 300;

after making detachable steel bar truss building carrier plate, the mode of using detachable steel bar truss building carrier plate is as follows:

step S201: installing a plurality of steel bar truss floor bearing plates at preset positions, and pouring concrete on the floor bearing plate body 200 to enable the concrete to wrap the steel bar trusses 300 and the connecting assemblies 100;

step S202: after the concrete is solidified, the floor deck is formed, the fastening piece for fixing is detached from the bottom of the floor deck plate body 200, and the fastening piece is wrapped on the connecting assembly 100 through the supporting seat 22 and is not contacted with the concrete, so that the fastening piece is very convenient to detach;

step S203: the floor deck plate 200 is removed from the floor deck with the bottom of the floor deck only exposed at the bottom of the support members 20.

The embodiment of the present invention provides an in, coupling assembling 100 can be used to connect steel bar truss 300 on floor support plate body 200, and coupling assembling 100 accessible fastener is connected with floor support plate body 200, and the fastener can pass floor support plate body 200 and be connected with the supporting seat 22 in support piece 20. The height of the metal connecting piece 10 can be increased through the supporting seat 22 in the supporting piece 20, so that a gap is formed between the metal connecting piece 10 and the floor deck plate body 200, the concrete can enter the bottom of the metal connecting piece 10 more easily, the concrete can wrap the connecting assembly 100 more easily, and rusting caused by exposure of the metal connecting piece 10 is avoided. Simultaneously, live the fastener parcel through support piece 20, prevent the contact of concrete and fastener, avoid the fastener to be wrapped up by the concrete, reduce the dismantlement degree of difficulty of fastener, improve and dismantle efficiency.

Meanwhile, the steel bar truss 300 and the metal connecting piece 10 can be connected in a welding mode, and the rigidity of the floor support plate using the connecting assembly 100 in the construction stage is increased, so that the deformation of the floor support plate body 200 in the construction stage is reduced, and the floor support plate has a better plate bottom flatness effect.

Example 2

On embodiment 1's basis, combine fig. 6 and fig. 7, refer to fig. 12 and fig. 13, correspondingly, the embodiment of the utility model provides a steel bar truss floor carrier plate is still provided, include: the floor deck plate 200, the multiple rows of connecting members 100 and the steel bar truss 300.

Wherein, each row of connecting components 100 group includes a plurality of connecting components 100 arranged at intervals. The connection assembly 100 may be implemented by the connection assembly 100 described in the embodiments. Specifically, referring to fig. 1 to 5, the connection assembly 100 includes: metal connecting member 10 and supporting member 20. The metal connecting member 10 has a first surface and a second surface opposite to each other, and has a mounting hole 11 penetrating through the first surface and the second surface. The supporting member 20 is inserted into the mounting hole 11 and connected to the metal connecting member 10 by injection molding. The supporting member 20 includes a clamping head 21 and a supporting seat 22, the clamping head 21 abuts against the first surface, the supporting seat 22 abuts against the second surface, the supporting seat 22 has a connecting hole 23, and one end of the fastening member can pass through the floor bearing plate body 200 and be connected with the connecting hole 23.

A plurality of metal connectors 10 in the same group of connecting members 100 are fixedly connected to at least one steel bar truss 300.

The embodiment of the utility model provides an in, can improve the height of metal connecting piece 10 through the supporting seat 22 among support piece 20 for have the clearance between metal connecting piece 10 and the floor board body 200, the concrete is changeed the bottom that gets into metal connecting piece 10, makes the concrete change parcel coupling assembling 100, improves joint strength. Simultaneously, live the fastener parcel through support piece 20, prevent the contact of concrete and fastener, reduce the dismantlement degree of difficulty of fastener, improve and dismantle efficiency.

Meanwhile, the steel bar truss 300 and the metal connecting piece 10 can be connected in a welding mode, and the rigidity of the floor support plate using the connecting assembly 100 in the construction stage is increased, so that the deformation of the floor support plate body 200 in the construction stage is reduced, and the floor support plate has a better plate bottom flatness effect.

In the embodiment of the present invention, an arrangement manner of the connection assembly 100 is, referring to fig. 14 to 17, a length direction of the metal connection member 10 is the same as a width direction of the floor support plate body 200, a width direction of the metal connection member 10 is the same as a length direction of the floor support plate body 200, and a plurality of metal connection members 10 in the same metal connection member 10 group are arranged along a length direction interval of the floor support plate body 200.

According to different setting requirements, a plurality of metal connectors 10 in the same connecting assembly 100 group can be fixedly connected with one steel bar truss 300, and can also be connected with a plurality of steel bar trusses 300 at the same time. As shown in fig. 6 and 7, the direction perpendicular to the straight plane in fig. 6 and 7 is the length extension direction of the steel bar truss 300.

In fig. 6 and 7, each steel bar truss 300 is correspondingly connected to one connecting assembly 100 group, and a plurality of connecting assemblies 100 are arranged in each connecting assembly 100 group at intervals along the length extension direction of the steel bar truss 300, that is, a plurality of connecting assemblies 100 located in the same connecting assembly 100 group are fixedly connected with one steel bar truss 300.

In fig. 12, two steel bar trusses 300 may be correspondingly connected to one connecting assembly 100 group, that is, a plurality of connecting assemblies 100 located in the same connecting assembly 100 group are fixedly connected with two steel bar trusses 300. Of course, a hybrid arrangement may also be implemented in combination with the manner of fixedly connecting the same connecting assembly 100 with a steel bar truss 300.

In fig. 13, three or more steel bar trusses 300 may be correspondingly connected to one connecting member 100 group, that is, a plurality of connecting members 100 located in the same connecting member 100 group are fixedly connected with a plurality of steel bar trusses 300. Of course, the hybrid arrangement may also be performed by combining the fixed connection manner of the same connecting assembly 100 and one steel bar truss 300, and combining the fixed connection manner of the same connecting assembly 100 and two steel bar trusses 300.

It should be noted that the connection modes of the connection assembly 100 and the steel bar truss 300 can be realized independently, or can be realized in a mixed manner.

Referring to fig. 14 to 17, in the embodiment of the present invention, the positions of the connection assemblies 100 may be set according to different requirements. For example, referring to fig. 14 and 15, the metal connectors 10 in different sets of the connecting components 100 may be disposed opposite to each other or staggered. In the metal connecting pieces 10 in different groups of the connecting assembly 100, a part of the metal connecting pieces 10 can be arranged relatively to each other, and in the arrangement mode, the positions of the metal connecting pieces 10 are relatively fixed, so that standardized construction is facilitated, and the construction efficiency can be improved. The metal connectors 10 in different metal connector 10 groups can be staggered with each other. Under this kind of arrangement, metal connecting piece 10 arranges more evenly, and the fastener is also more balanced to the support of floor deck plate body 200, is favorable to floor deck plate body 200's roughness like this to be favorable to the roughness of guarantee floor bottom.

Further, at least a part of the metal connectors 10 in different groups of the connecting assemblies 100 are disposed oppositely, and at least a part of the metal connectors 10 are disposed alternately. The corresponding position setting and the staggered position setting can be used in a hybrid mode, and therefore different setting requirements are met.

Referring to fig. 14 to 17, according to different implementations of the metal connecting element 10, the metal connecting elements 10 in different sets of connecting elements 100 may be disposed oppositely and staggered for hybrid use.

Further, in the embodiment of the present invention, the arrangement of the connecting assemblies 100 further includes that, along the width direction of the steel bar truss 300, a plurality of connecting assemblies 100 located in different rows, and all or some of the connecting assemblies 100 are arranged in a one-to-one correspondence with each other. For example, the positions of the connecting assemblies 100 in two connecting buckle groups spaced by one row are arranged in a one-to-one correspondence, and the connecting assemblies 100 in two adjacent rows are arranged in a staggered manner. For another example, the connection assemblies 100 of a portion of two adjacent rows may be staggered, and the connection assemblies 100 of a portion may be arranged opposite to each other. It should be noted that, in the embodiment of the present invention, the number of the steel bar trusses 300 includes but is not limited to two, three and other numbers, and the number of the steel bar trusses 300 arranged on the floor deck plate body 200 can be set according to different needs, which is not specifically limited in the embodiment of the present invention.

It should be noted that the technical features in embodiment 2 and the technical features in embodiment 1 may be mutually referred to, and are not described again.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although the embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (18)

1. An injection molded connection assembly, comprising:

the metal connecting piece is provided with a first surface and a second surface which are arranged oppositely, and is provided with a mounting hole which penetrates through the first surface and the second surface;

the supporting piece penetrates through the mounting hole and is connected to the metal connecting piece in an injection molding mode; the supporting piece comprises a clamping joint and a supporting seat, the clamping joint is abutted to the first surface, the supporting seat is abutted to the second surface, and the supporting seat is provided with a connecting hole.

2. The connection assembly according to claim 1 wherein the diameter of the support seat tapers from an end toward the second face to an end away from the second face.

3. The connecting assembly according to claim 1, wherein the outer wall of the support base is provided with a raised structure and/or a recessed structure.

4. The connecting assembly according to any one of claims 1 to 3, wherein the mounting holes are plural, and the plural mounting holes are arranged at intervals along a length direction of the metal connecting piece;

the supporting piece is arranged on at least one part of the mounting hole.

5. The connection assembly of claim 4, wherein the mounting hole is of a circular configuration or a non-circular configuration.

6. The connecting assembly according to any one of claims 1 to 3, wherein the metal connecting piece comprises a bottom plate and two side plates connected to two opposite sides of the bottom plate, and the bottom plate and the two side plates form a U-shaped groove structure;

the bottom plate is located the one side in the U type groove structure does first face, the mounting hole sets up on the bottom plate.

7. The connection assembly according to claim 6, wherein the snap tabs abut against the two side plates, respectively.

8. The connection assembly of claim 7, wherein the snap head is a rectangular structure.

9. The connection assembly according to claim 6, wherein the included angle between the bottom plate and the side plate can be an acute angle, a right angle or an obtuse angle.

10. The connection assembly according to claim 6, wherein the end of each of the two side plates remote from the bottom plate is provided with a folded edge.

11. The connection assembly according to claim 10, wherein the angle between the side plate and the flange may be acute, right or obtuse.

12. The connection assembly of claim 10, wherein the connection between the side plate and the flange is a rounded arcuate structure.

13. A steel bar truss floor deck, comprising:

a floor deck plate body;

the connecting component groups in each row comprise a plurality of connecting components arranged at intervals; the connection assembly, comprising: metal connecting pieces and supporting pieces;

the metal connecting piece is provided with a first surface and a second surface which are arranged in an opposite way, and is provided with a mounting hole which penetrates through the first surface and the second surface;

the supporting piece penetrates through the mounting hole and is connected to the metal connecting piece in an injection molding mode; the supporting piece comprises a clamping joint and a supporting seat, the clamping joint is abutted against the first surface, the supporting seat is abutted against the second surface, a connecting hole is formed in the supporting seat, and one end of a fastener can penetrate through the floor bearing plate body to be connected with the connecting hole;

and the metal connecting pieces positioned in the same connecting component group are fixedly connected with at least one steel bar truss.

14. The steel bar truss floor deck according to claim 13, wherein the floor deck plate body is one of a galvanized plate, a galvanized alloy plate, a figured steel plate, a bamboo plywood plate, a wood template, a wood-plastic plate, an injection molded plate, an aluminum alloy template and a profiled steel plate.

15. The steel bar truss floor deck according to claim 14, wherein when the floor deck plate is a profiled steel plate, the profiled steel plate has spaced ribs and ribs;

the connecting assembly is connected to the convex rib.

16. The steel bar truss floor deck according to claim 13, wherein the steel bar truss and the metal connectors are welded and fixed.

17. The steel bar truss floor deck according to any one of claims 13 to 16, wherein the metal connectors in different sets of the connector assemblies are disposed opposite to each other or staggered.

18. The steel bar truss floor deck according to claim 17 wherein at least some of the metal connectors within different sets of connector assemblies are positioned in opposition to one another and at least some of the metal connectors are positioned in an alternating arrangement.

Images