CN214302665U - Combined keel - Google Patents

Abstract

The utility model discloses a combination fossil fragments relates to the building technology field, can reduce the occupation space in the fossil fragments transportation and the emergence probability of deformation by a wide margin, through the qualification rate in reducing the cost of transportation and improving the fossil fragments transportation, has increased the competitiveness of product. The combined keel comprises a bottom plate and a side plate, wherein the bottom plate is provided with a first connecting structure, and the side plate is provided with a second connecting structure; the bottom plate and the side plate are detachably connected through a first connecting structure and a second connecting structure. The utility model is used for the skeleton and the substrate of fitment engineering.

Description

Combined keel

Technical Field

The utility model relates to a building technical field especially relates to a combination fossil fragments.

Background

At present, keels are frameworks and base materials in decoration engineering and are widely applied to hotels and terminal buildings. The building material is used for supporting and fixing structures in places such as passenger stations, theaters, markets, factories, office buildings, old building reconstruction, indoor decoration and arrangement, ceilings and the like. The keels are various and can be divided into wood keels, light steel keels, aluminum alloy keels, steel keels and the like according to different manufacturing materials; the wall is divided according to the using position and can be divided into a ceiling keel, a vertical wall keel (namely a partition wall keel), a floor keel, a hanging keel and the like; according to different decoration construction processes, bearing keels and non-bearing keels (namely the accessible keels and the inaccessible keels) are arranged.

The keel comprises a keel, a plurality of side plates and a plurality of semi-enclosed spaces, wherein the cross section of the keel comprises a C shape, a U shape, a T shape and the like according to the difference of the type, specification and application of the keel, the C shape or the U shape keel comprises a bottom plate and two side plates fixed on the bottom plate, and the bottom plate and the two side plates form a semi-enclosed space; the T-shaped keel comprises a bottom plate and side plates fixed on the bottom plate, and a semi-enclosed space is also formed between the side plates of adjacent T-shaped keels.

In the production and use process of the keel, the large-scale production is firstly completed in a factory through preset structural parameters, and then the keel is transported to a construction site through packaging to be installed and used. However, a semi-enclosed space is formed between the side plates of the integrated keel, and the existence of the semi-enclosed space can occupy a larger transportation space in the process of transporting the keel, so that the transportation efficiency of the keel is lower, and the transportation cost is higher; and the curb plate of fossil fragments is because extrusion or collision in the transportation, takes place deformation very easily, and then influences the installation use of fossil fragments.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a combination fossil fragments can reduce the occupation space in the fossil fragments transportation and the emergence probability of deformation by a wide margin, through reducing the cost of transportation and the qualification rate that improves in the fossil fragments transportation, has increased the competitiveness of product.

In order to achieve the above object, an embodiment of the present invention provides a combined keel, which includes a bottom plate and a side plate, wherein the bottom plate is provided with a first connecting structure, and the side plate is provided with a second connecting structure; the bottom plate and the side plate are detachably connected through a first connecting structure and a second connecting structure.

Optionally, the first connecting structure includes a first clamping groove disposed on the bottom plate, the second connecting structure includes a second clamping groove disposed on the side plate, and the first clamping groove and the second clamping groove are correspondingly clamped.

Optionally, a first flanging parallel to the bottom plate is arranged at the edge of the bottom plate, a second flanging parallel to the bottom plate is arranged at the edge of the side plate, a first clamping groove is formed between the first flanging and the bottom plate, and a second clamping groove is formed between the second flanging and the side plate.

Optionally, two first clamping grooves with opposite openings are respectively arranged on two sides of the bottom plate;

the curb plate includes curb plate body and extension board, and the extension board is perpendicular just parallel with the bottom plate with the curb plate body, and the second turn-ups sets up in one side that the curb plate body was kept away from to the extension board, forms the second draw-in groove between second turn-ups and the curb plate body, and the opening of second draw-in groove is towards the curb plate body.

Optionally, the second flanging is formed on the inner side of the extension plate, an avoiding gap is formed between the opening of the second clamping groove and the side plate body, and the width of the avoiding gap is larger than or equal to that of the first flanging.

Optionally, the first connecting structure includes a third clamping groove disposed in the middle of the bottom plate, the second connecting structure includes a clamping protrusion disposed on the side plate, and the third clamping groove corresponds to the clamping protrusion.

Optionally, the support structure further comprises an abutting portion, and when the first connecting structure is connected and matched with the second connecting structure, one end of the abutting portion abuts against the side plate, so that the side plate is prevented from being separated from the bottom plate.

Optionally, a bending piece is arranged on the bottom plate, and the bending piece is turned over towards the side plate and is abutted against the side plate to form an abutting part.

Optionally, the abutting portions are multiple and arranged along the extending direction of the bottom plate.

Optionally, the bending piece is a part of the bottom plate, and the sound insulation hole is formed in the bottom plate after the bending piece is turned over.

The utility model provides a combination fossil fragments because bottom plate and curb plate can realize dismantling the connection through first connection structure and second connection structure, like this, can separate the production and the transportation of bottom plate and curb plate in production and transportation, after arriving the destination, install the combination to the bottom plate and the curb plate of separation again, form fossil fragments. The split bottom plate and the split side plates are similar to sheet structures in structural shape, so that the large-scale production of the bottom plate and the side plates can be directly finished through the preset structural parameters, and then the bottom plate and the side plates can be respectively packaged and transported in the transportation process, so that the situation that a semi-enclosed space formed by the integrated keel occupies a transportation space is avoided, and the transportation cost of the combined keel is reduced by improving the transportation efficiency of the keel; simultaneously, in the transportation, sheet structure's bottom plate and curb plate can obtain better packing protection respectively, have effectively avoided combination fossil fragments transportation bottom plate and curb plate to take place the probability of deformation, and then have increased the competitiveness of product.

Drawings

Fig. 1 is a schematic structural view of a combined keel according to an embodiment of the invention;

fig. 2 is a schematic structural view of the combined keel of the embodiment of the invention, which comprises a side plate reinforcing rib;

fig. 3 is a schematic structural view of a bottom plate of the combined keel according to the embodiment of the invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic structural view of a side plate of the combined keel according to the embodiment of the invention provided with a reinforcing rib;

FIG. 6 is an enlarged view of the structure at B in FIG. 5;

fig. 7 is a schematic view of an integral structure of the abutting portion and the bottom plate of the combined keel according to the embodiment of the invention;

fig. 8 is a schematic structural view of a third slot provided in the middle of a side plate of the combined keel according to the embodiment of the invention;

fig. 9 is a schematic structural view of a side plate of the combined keel according to the embodiment of the invention corresponding to the third clamping groove;

fig. 10 is one of the schematic structural diagrams of the combined keel according to the embodiment of the invention, which is L-shaped;

fig. 11 is a second schematic structural view illustrating the combination keel according to the embodiment of the invention in an L-shape.

Reference numerals:

1-a bottom plate; 11-a first connecting structure; 111-a first card slot; 112-a third card slot; 12-a first flange; 2-side plate; 21-a second connecting structure; 211-a second card slot; 212 clamping the bulge; 22-side plate body; 23-an extension plate; 24 second flanging; 3-an abutment; 4-sound insulation hole; 5-reinforcing ribs; 6-third flanging.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, in the production and use process of keels, large-scale production is firstly completed in a factory through preset structural parameters, and then the keels are transported to a construction site through packaging to be installed and used. However, a semi-enclosed space is formed between the side plates of the integrated keel, and the existence of the semi-enclosed space can occupy a larger transportation space in the process of transporting the keel, so that the transportation efficiency of the keel is lower, and the transportation cost is higher; and the curb plate of fossil fragments is because extrusion or collision in the transportation, takes place deformation very easily, and then influences the installation use of fossil fragments.

Based on this, the embodiment of the utility model provides a combination fossil fragments, refer to fig. 3 and 5, this combination fossil fragments include bottom plate 1 and curb plate 2, are equipped with first connection structure 11 on bottom plate 1, are equipped with second connection structure 21 on curb plate 2, as shown in fig. 1 and 2, bottom plate 1 and curb plate 2 can dismantle the connection through first connection structure 11 and second connection structure 21.

The utility model provides a combination fossil fragments because bottom plate 1 and curb plate 2 can realize dismantling the connection through first connection structure 11 and second connection structure 21, like this, can separate bottom plate 1 and curb plate 2's production and transportation in production and transportation, after arriving the destination, install the combination to the bottom plate 1 and the curb plate 2 of separation again, form fossil fragments. The split bottom plate 1 and the split side plates 2 are similar to sheet structures in structural shape, so that the bottom plate 1 and the side plates 2 can be produced on a large scale directly through preset structural parameters, and then the bottom plate 1 and the side plates 2 can be packaged and transported respectively in the transportation process, so that the situation that a semi-enclosed space formed by the integrated keel occupies a transportation space is avoided, and the transportation cost of the combined keel is reduced by improving the transportation efficiency of the keel; simultaneously, in the transportation, sheet structure's bottom plate 1 and curb plate 2 can obtain better packing protection respectively, have effectively avoided combination fossil fragments transportation bottom plate 1 and curb plate 2 to take place the probability of deformation, and then have increased the competitiveness of product.

Wherein the relative positional relationship of the bottom plate 1 and the side plate 2. The side plates 2 can be perpendicular to the bottom plate 1, so that U-shaped keels, T-shaped keels, L-shaped keels and the like are formed; in addition, the side plate 2 may not be perpendicular to the bottom plate 1, and the sectional shape of the combined keel is C-shaped or other structural shapes. Here, it is not particularly limited.

In addition, the first connecting structures 11 may be disposed on both sides of the bottom plate 1, or may be disposed only in the middle of the bottom plate 1.

When the first connecting structures 11 are disposed at both sides of the bottom plate 1, since the bottom plate 1 can be detachably linked with the side plates 2. When two side plates 2 are provided, as shown in fig. 1, the two side plates 2 are respectively arranged on two sides of the bottom plate 1 to form a U-shaped combined keel or a C-shaped combined keel; when there is one side plate 2, as shown in fig. 10 and 11, the side plate 2 is only disposed on one side of the bottom plate 1 to form an L-shaped combined keel, at this time, only one first connecting structure 11 may be disposed on the bottom plate 1, and the first connecting structure 11 is only disposed at the left side or the right side of the bottom plate 1.

When the first connecting structure 11 is arranged in the middle of the bottom plate 1, the side plate 2 is arranged in the middle of the bottom plate 1 through the second connecting structure 21, and a T-shaped 2 combined keel is formed.

While various implementations are possible for the first connecting structure 11 and the second connecting structure 21 of the composite runner.

As shown in fig. 1 and 10, the first connecting structure 11 includes a first clamping groove 111 disposed on the bottom plate 1, the second connecting structure 21 includes a second clamping groove 211 disposed on the side plate 2, and the first clamping groove 111 and the second clamping groove 211 are correspondingly clamped to relatively fix the side plate 2 and the bottom plate 1, so as to detachably connect the side plate 2 and the bottom plate 1.

In addition, the first connecting structure 11 may also be a plurality of positioning holes disposed on the bottom plate 1, and correspondingly, the second connecting structure 21 is a plurality of positioning inserts disposed on the side plate 2 and corresponding to the plurality of positioning holes one to one, and the side plate 2 is detachably fixed on the bottom plate 1 through the insertion and connection cooperation of the positioning holes and the positioning inserts. In general, the first connecting structure 11 and the second connecting structure 21 may be any mating detachable structure, and are not limited in particular.

It should be noted that, the bottom plate 1 and the side plate 2 may also be assembled and fixed by a non-detachable structure, for example, the first connecting structure 11 and the second connecting structure 21 are positioning holes respectively disposed on the bottom plate 1 and the side plate 2, and during assembly, the side plate 2 is placed at a preset position on the bottom plate 1, so that the corresponding positioning hole is positioned, and then the side plate 2 and the bottom plate 1 are fixedly connected by a rivet, thereby completing the installation of the combined keel.

Specifically, when the first connecting structure 11 is disposed in the middle of the bottom plate 1, as shown in fig. 8 and 9, the first connecting structure 11 further includes a third clamping groove 112 disposed in the middle of the bottom plate 1, the second connecting structure 21 includes a clamping protrusion 212 disposed on the side plate 2, and the third clamping groove 112 and the clamping protrusion 212 are correspondingly clamped to detachably fix the side plate 2 in the middle of the bottom plate 1, so as to form a T-shaped combined keel. For example, the clamping protrusion 212 and the side plate 2 may form an L-shaped structure, and at this time, the third clamping groove 112 is a corresponding single-side clamping groove, as shown in fig. 8; in addition, the clamping protrusion 21 and the side plate 2 may also form a T-shaped structure, that is, the openings of the two L-shaped clamping grooves are opposite and spaced, at this time, the third clamping groove 112 is a corresponding bilateral clamping groove, at this time, the clamping protrusion 212 on the side plate 2 may be inserted into the third clamping groove 112 from the opening at any end of the third clamping groove 112, thereby completing the combined installation of the T-shaped combined keel.

Wherein, the card slot structure can be formed by additionally welding a sheet structure on the bottom plate 1 or the side plate 2, such as the formation of the first card slot 111, the second card slot 211 and the third card slot 112; in addition, the locking grooves may be formed by providing a flange structure at the edges of the bottom plate 1 and the side plate 2, such as the formation of the first locking groove 111 and the second locking groove 211.

Specifically, as shown in fig. 3 and 4, a first flange 12 parallel to the bottom plate 1 is disposed at an edge of the bottom plate 1, a first flange 24 parallel to the bottom plate 1 is disposed at an edge of the side plate 2, a first locking groove 111 is formed between the first flange 12 and the bottom plate 1, and a second locking groove 211 is formed between the second flange 24 and the side plate 2.

Compared with a welding mode, the clamping groove formed by the flanging structure avoids extra cost and procedures of welding operation, improves production efficiency, and is more suitable for large-scale industrial production.

As shown in fig. 5 and 6, two first card slots 111 with opposite openings are respectively arranged on two sides of the bottom plate 1; curb plate 2 includes curb plate body 22 and extension board 23, and extension board 23 is perpendicular and parallel with bottom plate 1 with curb plate body 22, forms L type curb plate, and second turn-ups 24 sets up in the one side that curb plate body 22 was kept away from to extension board 23, and is concrete, and extension board 23 is kept away from one side of curb plate body 22 and is turned over towards curb plate body 22's extending direction, forms second turn-ups 24, and with extend and form second draw-in groove 211 between the board 23, the opening of second draw-in groove 211 is towards curb plate body 22.

Obviously, this combination curb plate is when installing, and the one side of the bottom plate 1 that is equipped with first draw-in groove 111 is down, sets up second draw-in groove 211 and first draw-in groove 111 counterpoint to form joint limit structure, accomplish the installation of combination fossil fragments.

In the process of mounting the side plate 2 on the bottom plate 1, with continued reference to fig. 5 and 6, since the side of the extension plate 23 away from the side plate body 22 is turned over toward the extension direction of the side plate body 22 to form the second turned edge 24, that is, the second turned edge 24 is formed on the inner side of the extension plate 23, at this time, an avoidance gap is formed between the opening of the second clamping groove 211 and the side plate body 22, the avoidance gap has a width d, as shown in fig. 4, the width of the first turned edge 12 is a, and obviously, the width d of the avoidance gap is greater than or equal to the width a of the first turned edge 12; so, when installing, can place first turn-ups 12 in dodging clearance department, and with the extension board 23 contact, translation bottom plate 1 or curb plate 2 afterwards for in first turn-ups 12 card goes into second draw-in groove 211, at this moment, in second turn-ups 24 same card goes into first draw-in groove 111, accomplish the joint cooperation of curb plate 2 and bottom plate 1.

With continued reference to fig. 4 and 6, the distance between the first flange 12 and the bottom plate 1 is b, while the thickness c of the second flange 24 is equal to b or slightly greater than b; similarly, the distance between the second flange 24 and the extension plate 23 is e, and the thickness f of the first flange 12 is equal to or slightly greater than e. So that the bottom plate 1 and the side plate 2 can realize the tight clamping effect through the clamping groove, and the fixation of the combined keel is completed. The first flange 12 and the second flange 24 forming the first locking groove 111 and the second locking groove 211 may also be welding pieces.

Furthermore, in order to enable the clamping structure of the assembled keel which is installed to be firmer, a fixing process of gluing or welding can be added at the clamping position, and therefore the assembled keel achieves higher structural strength.

In addition, the combined keel also comprises an abutting part 3, when the first connecting structure 11 and the second connecting structure 21 are connected and matched, one end of the abutting part 3 abuts against the side plate 2, and the abutting part is used for preventing the side plate 2 from being separated from the bottom plate. As shown in fig. 1 and 11, the right side plate 2 of the combined keel may move to the left side under the action of force, so that the first connecting structure 11 is separated from the second connecting structure, and on the basis, the abutting portion 3 fixed on the bottom plate is arranged, and one end of the abutting portion 3 abuts against the left side of the side plate 2 from left to right, so that the side plate 2 is prevented from moving to separate from the bottom plate 1 under the action of force, and the stability of connection between the first connecting structure 11 and the second connecting structure 21 is further increased.

Before the side plate 2 is installed on the bottom plate 1, the abutting portion 3 may not be installed and fixed at a preset position on the bottom plate 1 in advance, after the side plate 2 is installed on the bottom plate 1 through the installation process, the abutting portion 3 is installed and fixed at the preset position on the bottom plate 1, and at least one end of the abutting portion 3 abuts against the side plate 2 at this time. In addition, the abutting portion 3 may also be fixed to a preset position on the bottom plate 1 in advance, and then the second locking groove 211 on the side plate 2 is inserted into the extending direction of the first locking groove 111 along one end of the first locking groove 111, and the inserted side plate 2 is just abutted by the abutting portion 3 fixed to the preset position.

The portion of support 3 can be through the welding, rivet or the mounting plate of fix with screw on the bottom plate, and at this moment, the mounting plate can one end and 2 butts of curb plate, but when the both sides of bottom plate 1 all were provided with curb plate 2, the mounting plate also can both ends respectively with 2 butts of two curb plates one by one. In addition, as shown in fig. 7, a bending piece is arranged on the bottom plate 1, the bending piece is turned over towards the side plate 2 and is abutted against the side plate 2 to form an abutting part 3, when the side plate 2 is installed on the bottom plate 1, the abutting part 3 formed by the bending piece can be turned over and then can be in interference fit with the side plate 2, and the matching structure of the combined keel is further reinforced.

Wherein, the abutting parts 3 are a plurality of and distributed along the extending direction of the bottom plate 1. Specifically, when the side plates 2 are disposed on both sides of the bottom plate 1, as shown in fig. 1, the abutting portions 3 may be disposed in a row and arranged in a staggered manner, and one end of each abutting portion 3 abuts different side plates 2 at intervals; further, the abutting portions 3 may be provided in two rows, and the two rows of abutting portions 3 may abut on different side plates 2, respectively.

It should be noted that, the bending piece can be a mounting piece fixed on the bottom plate 1, one end of the mounting piece is fixed on the bottom plate 1, and the other end of the mounting piece is turned over towards the side plate 2 to form the abutting portion 3, so that the bending piece fixed on the bottom plate 1 can be in interference fit with the side plate 2, and the fixing structure connected with the bottom plate 1 can also enhance the structural strength of the bottom plate 1. In addition, as shown in fig. 7, the bending member may also be a part of the bottom plate 1, the bending member is turned over to form the abutting portion 3, and meanwhile, the sound insulation hole 4 is formed in the bottom plate 1, and the sound insulation hole 4 exists, so that when sound or heat is transmitted in a partition wall made of the combined keel in the use process of the combined keel, the transmission path is lengthened, and the resistance of sound or heat penetrating through the partition wall is increased, thereby improving the sound insulation and heat insulation effects of the partition wall. In order to further increase the sound and heat insulation effect of the sound insulation holes 4, the sound insulation holes 4 are arranged in two rows, and any one sound insulation hole 4 in one row is located in the middle of the two adjacent sound insulation holes 4 in the other row, so that the propagation path of sound or heat transmitted along the bottom plate 1 is lengthened, and the sound and heat insulation effect of the combined keel is effectively increased.

The shape of the sound insulation hole 4 is the same as that of the bending piece, and a bending piece model with a preset shape can be cut on the floor by a cutter, a water jet or a laser, and then the bending piece model is turned over to form the abutting part 3. In order to further increase the preprocessing efficiency of the bent piece, the bent piece with the preset shape can be directly processed by a stamping machine tool, and then the bent piece is continuously turned over to form the abutting part 3, so that the processing efficiency is high, and the method is very suitable for industrial production.

In order to reinforce the structural strength of the side plate 2, a reinforcing rib 5 is provided along the extending direction of the side plate 2, as shown in fig. 5, the reinforcing rib 5 is provided on the side plate body 22, increasing the bending strength, tensile strength and compressive strength of the side plate 2, i.e. increasing the structural strength of the side plate 2. Further, as shown in fig. 10 and 11, the side plate 2 is far away from the other side of the second connecting structure of the side plate, and is turned over to the bottom plate 1 to form a third turned-over edge 6, so that the structural strength of the side edge of the side plate 2 is enhanced, and when the combined keel is a U-shaped keel or a C-shaped keel, the third turned-over edges arranged on the two side plates 2 can also be matched to form a clamping structure for expanding the installation function of the combined keel.

In the description herein, particular features, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A composite runner, comprising:

the bottom plate is provided with a first connecting structure;

the side plate is provided with a second connecting structure;

the bottom plate and the side plate are detachably connected through the first connecting structure and the second connecting structure.

2. The assembly keel according to claim 1, wherein the first connecting structure comprises a first clamping groove arranged on the bottom plate, the second connecting structure comprises a second clamping groove arranged on the side plate, and the first clamping groove and the second clamping groove are correspondingly clamped.

3. The assembled keel according to claim 2, wherein the edge of the bottom plate is provided with a first flange parallel to the bottom plate, the edge of the side plate is provided with a second flange parallel to the bottom plate, the first clamping groove is formed between the first flange and the bottom plate, and the second clamping groove is formed between the second flange and the side plate.

4. The assembled keel according to claim 3, wherein two first clamping grooves with opposite openings are respectively arranged on two sides of the bottom plate;

the side plate comprises a side plate body and an extension plate, the extension plate is perpendicular to the side plate body and parallel to the bottom plate, the second flanging is arranged on one side, away from the side plate body, of the extension plate, the second clamping groove is formed between the second flanging and the side plate body, and the opening of the second clamping groove faces towards the side plate body.

5. The combined keel according to claim 4, wherein the second flanging is formed on the inner side of the extension plate, an avoiding gap is formed between the opening of the second clamping groove and the side plate body, and the width of the avoiding gap is larger than or equal to that of the first flanging.

6. The combination keel of claim 1, wherein the first connecting structure comprises a third clamping groove arranged in the middle of the bottom plate, the second connecting structure comprises a clamping protrusion arranged on the side plate, and the third clamping groove corresponds to the clamping protrusion in clamping.

7. The assembly keel according to any one of claims 1-6, further comprising an abutting portion, one end of which abuts the side plate when the first connecting structure is in connecting engagement with the second connecting structure for preventing the side plate from disengaging from the bottom plate.

8. The assembled keel according to claim 7, wherein the bottom plate is provided with a bending piece, and the bending piece is folded towards the side plate and is abutted against the side plate to form the abutting part.

9. The assembly grid according to claim 8, wherein the abutting portion is plural and arranged along the extending direction of the bottom plate.

10. The assembly grid according to claim 8, wherein said bending member is a portion of said base plate, and is folded to form a sound insulating hole in said base plate.

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