Elastic composite bent sill

Abstract

The utility model relates to the technical field of elevator sills, in particular to an elastic composite bent sill which comprises a bent panel, a supporting plate, a bonding layer and a wear-resistant layer. The supporting plate is mounted below the bending panel; the bonding layer is laid on the upper surface of the bent panel and laid on the lower surface of the wear-resistant layer, and the bonding layer is used for bonding and fixing the wear-resistant layer to the bent panel; and a supporting rib plate group is arranged between the bending panel and the supporting plate. According to the elastic composite bent sill, the supporting capacity and the bearing capacity of the bent sill can be improved, so that the stability of the bent sill is enhanced, the overall structure of the bent sill becomes firmer and safer, and the bent sill is effectively prevented from being deformed or damaged when being subjected to external force; in addition, a wear-resistant layer is bonded on the bending panel, so that the wear resistance of the bending panel can be improved, and damage caused by friction is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator sills, in particular to an elastic composite bending sill. Background Art

[0002] In the current construction and industrial fields, bent sills are an important structural component and are widely used in various scenarios, such as stairs, elevators, passages, etc. However, the existing bent sills are welded by panels + pallets. Although they have a certain hardness, they are often damaged, deformed or even broken during long-term use due to the lack of support from the ribs between the panels and the pallets. This not only causes the elevator to run unsteadily and increase noise, but also greatly shortens the service life of the bent sills, requiring frequent replacement, increasing maintenance costs and downtime.

[0003] Therefore, it is necessary to design an elastic composite bending sill to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an elastic composite bending sill, aiming to solve the problem that the bending sill in the prior art is prone to wear and deformation.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an elastic composite bending sill, including a bending panel, a support plate, an adhesive layer and a wear-resistant layer; the support plate is installed under the bending panel; the adhesive layer is laid on the upper surface of the bending panel and on the lower surface of the wear-resistant layer, and the adhesive layer is used to bond and fix the wear-resistant layer to the bending panel; a supporting rib plate group is arranged between the bending panel and the support plate.

[0006] Furthermore, the bending panel is a galvanized plate or a cold plate, the support plate is a hot-rolled steel plate, the bonding layer is an epoxy-modified polyurethane primer, the wear-resistant layer is an epoxy-polyurethane mixed coating, and the supporting rib plate group is a galvanized plate.

[0007] Furthermore, the thickness of the bent panel is 2.5-3 mm, the thickness of the support plate is 4-5 mm, the thickness of the adhesive layer is 0.1-0.2 mm, the thickness of the wear-resistant layer is 1-2 mm, and the thickness of the supporting rib plate group is 2-3 mm.

[0008] Furthermore, the thickness of the bent panel is 3 mm, the thickness of the support plate is 5 mm, the thickness of the adhesive layer is 0.1 mm, the thickness of the wear-resistant layer is 2 mm, and the thickness of the supporting rib plate group is 3 mm.

[0009] Furthermore, at least a portion of the support rib plate group and the bent panel are welded by plug welding.

[0010] Furthermore, the bending panel includes a left panel, a left guide groove, a middle panel, a right guide groove and a right panel connected in sequence; the left guide groove is located between the middle panel and the left panel, and the right guide groove is located between the middle panel and the right panel; the support plate includes a left support plate, a bottom support plate and a right support plate connected in sequence; the support rib plate group includes a left support rib plate, a middle support rib plate and a right support rib plate; the left support rib plate is located between the left panel and the bottom support plate, the middle support rib plate is located between the middle panel and the bottom support plate, and the right support rib plate is located between the right panel and the bottom support plate.

[0011] Further, the left guide groove includes a left guide groove left side plate, a left guide groove bottom plate and a left guide groove right side plate connected in sequence; the right guide groove includes a right guide groove left side plate, a right guide groove bottom plate and a right guide groove right side plate connected in sequence.

[0012] Furthermore, the left support rib plate is provided with a plug welding hole, and the left support rib plate is plug welded to the right side plate of the left guide groove through the plug welding hole; the middle support rib plate comprises a middle support left rib plate, a middle support top rib plate and a middle support right rib plate connected in sequence, and the middle support left rib plate, the middle support top rib plate and the middle support right rib plate are all provided with plug welding holes, the middle support left rib plate is plug welded to the right side plate of the left guide groove through the plug welding hole, the middle support top rib plate is plug welded to the middle panel through the plug welding hole, and the middle support right rib plate is plug welded to the left side plate of the right guide groove through the plug welding hole; the right support rib plate comprises a right support left rib plate and a right support top rib plate connected in sequence, and the right support left rib plate and the right support top rib plate are both provided with plug welding holes, the right support left rib plate is plug welded to the right side plate of the right guide groove through the plug welding hole, and the right support top rib plate is plug welded to the right panel through the plug welding hole.

[0013] Furthermore, both the left support plate and the right support plate are provided with plug welding grooves, the left support plate is plug welded to the left panel through the plug welding groove, and the right support plate is plug welded to the right panel through the plug welding groove.

[0014] Furthermore, the left guide groove bottom plate and the right guide groove bottom plate are welded to the bottom supporting plate.

[0015] Compared with the prior art, the elastic composite bending sill provided by the utility model has a supporting rib plate group arranged between the bending panel and the support plate, which can improve the supporting capacity and bearing capacity of the bending sill, thereby enhancing the stability of the bending sill, making the overall structure of the bending sill more solid and safe, and effectively preventing the bending sill from being deformed or damaged when subjected to external force; in addition, a wear-resistant layer is bonded to the bending panel, which can increase the wear resistance of the bending panel and reduce damage caused by friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2It is a front view structural schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the exploded structure of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the bending panel of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the support plate of the utility model;

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the support rib plate group of the utility model;

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the left supporting rib plate of the utility model;

[0023] Figure 8 It is a three-dimensional structural schematic diagram of the middle supporting rib plate of the utility model;

[0024] Fig. 9 It is a three-dimensional structural schematic diagram of the right supporting rib plate of the utility model.

[0025] Description of reference numerals:

[0026] 1. Bending panel; 11. Left panel; 12. Left guide groove; 121. Left guide groove left side panel; 122. Left guide groove bottom plate; 123. Left guide groove right side panel; 13. Middle panel; 14. Right guide groove; 141. Right guide groove left side panel; 142. Right guide groove bottom plate; 143. Right guide groove right side panel; 15. Right panel;

[0027] 2. Support plate; 21. Left support plate; 22. Bottom support plate; 23. Right support plate; 24. Plug welding groove;

[0028] 3. Adhesive layer;

[0029] 4. Wear-resistant layer;

[0030] 5. Support rib plate group; 51. Left support rib plate; 52. Middle support rib plate; 521. Middle support left rib plate; 522. Middle support top rib plate; 523. Middle support right rib plate; 53. Right support rib plate; 531. Right support left rib plate; 532. Right support top rib plate; 54. Plug welding hole. DETAILED DESCRIPTION

[0031] The present invention is described in detail below in conjunction with specific embodiments.

[0032] In the present utility model, unless otherwise clearly specified and limited, when terms such as "set on", "connected", and "connected" appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or connected through one or more intermediate media. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. The directional words that appear in the present utility model are to better illustrate the characteristics of the features and the relationship between the features. It should be understood that when the placement direction of the present utility model changes, the characteristics of the features and the direction of the relationship between the features also change accordingly. Therefore, the directional words do not constitute an absolute limitation on the characteristics of the features and the relationship between the features in space, but only play a relative limitation role.

[0033] The utility model provides an elastic composite bending sill, such as Figures 1 to 9 As shown, it includes a bending panel 1, a support plate 2, an adhesive layer 3 and a wear-resistant layer 4; the support plate 2 is installed under the bending panel 1; the adhesive layer 3 is laid on the upper surface of the bending panel 1 and the lower surface of the wear-resistant layer 4, and the adhesive layer 3 provides strong adhesion and stability, ensuring a close connection between the wear-resistant layer 4 and the bending panel 1, so that the wear-resistant layer 4 can be firmly attached to the bending panel 1 and is not easy to fall off or shift; the adhesive layer 3 is used to bond and fix the wear-resistant layer 4 to the bending panel 1, and the wear-resistant layer 4 can increase the wear resistance of the bending panel 1 and reduce damage caused by friction; a supporting rib plate group 5 is arranged between the bending panel 1 and the support plate 2, which can improve the supporting capacity and bearing capacity of the bending sill, thereby enhancing the stability of the bending sill, making the overall structure of the bending sill more solid and safe, and effectively preventing the bending sill from being deformed or damaged when subjected to external force.

[0034] In this embodiment, the bending panel 1 is a galvanized plate or a cold plate, which makes the bending panel 1 have high firmness and durability; the support plate 2 is a hot-rolled steel plate, which makes the support plate 2 have high strength and toughness, and can keep its shape unchanged when subjected to large external force, providing the support plate 2 with greater bearing capacity and stability; the bonding layer 3 is an epoxy-modified polyurethane primer, which makes the bonding layer 3 have strong penetration ability, and can be tightly bonded to the bending panel 1 and the wear-resistant layer 4 at the same time, thereby enhancing the adhesion of the wear-resistant layer 4; the wear-resistant layer 4 is an epoxy-polyurethane mixed coating, which makes the wear-resistant layer 4 have excellent elasticity and wear resistance, can reduce the damage to the wear-resistant layer 4 caused by impact and resist external friction, and effectively protect the integrity and durability of the wear-resistant layer 4; the supporting rib plate group 5 is a galvanized plate, which makes the supporting rib plate group 5 have high strength and hardness, thereby ensuring that the bending panel 1 is not easily deformed or worn when subjected to external force or friction.

[0035] In this embodiment, the thickness of the bent panel 1 is 2.5-3 mm, preferably 3 mm; the thickness of the support plate 2 is 4-5 mm, preferably 5 mm; the thickness of the adhesive layer 3 is 0.1-0.2 mm, preferably 0.1 mm; the thickness of the wear-resistant layer 4 is 1-2 mm, preferably 2 mm; the thickness of the supporting rib plate group 5 is 2-3 mm, preferably 3 mm. The thickness of each of the above structural layers is the best choice after taking into account the production cost and the use effect.

[0036] In this embodiment, at least part of the support rib group 5 and the bent panel 1 are connected by plug welding. The plug welding connection method is efficient in processing and will not damage the appearance of the elastic composite bent sill.

[0037] In this embodiment, the bending panel 1 includes a left panel 11, a left guide groove 12, a middle panel 13, a right guide groove 14 and a right panel 15 connected in sequence; the left guide groove 12 is located between the middle panel 13 and the left panel 11, and the right guide groove 14 is located between the middle panel 13 and the right panel 15; the support plate 2 includes a left support plate 212, a bottom support plate 222 and a right support plate 232 connected in sequence; the support rib group 5 includes a left support rib 51, a middle support rib 52 and a right support rib 53; the left support rib 51 is located between the left panel 11 and the bottom support plate 222, the middle support rib 52 is located between the middle panel 13 and the bottom support plate 222, and the right support rib 53 is located between the right panel 15 and the bottom support plate 222. Through the above-mentioned structural design, the left supporting rib 51, the middle supporting rib 52 and the right supporting rib 53 respectively increase the supporting strength of the left panel 11, the middle panel 13 and the right panel 15, thereby improving the bearing capacity of the bending panel 1, thereby reducing the deformation or damage of the bending panel 1 due to force, and ensuring the integrity and stability of the structure.

[0038] In this embodiment, the left guide groove 12 includes a left guide groove 12 left side plate, a left guide groove 12 bottom plate and a left guide groove 12 right side plate connected in sequence; the right guide groove 14 includes a right guide groove 14 left side plate, a right guide groove 14 bottom plate and a right guide groove 14 right side plate connected in sequence.

[0039] In this embodiment, the left support rib plate 51 is provided with a plug welding hole 54, and the left support rib plate 51 is plug welded to the right side plate of the left guide groove 12 through the plug welding hole 54; the middle support rib plate 52 includes a middle support left rib plate 521, a middle support top rib plate 522 and a middle support right rib plate 523 connected in sequence, and the middle support left rib plate 521, the middle support top rib plate 522 and the middle support right rib plate 523 are all provided with a plug welding hole 54, and the middle support left rib plate 521 is plug welded to the right side plate of the left guide groove 12 through the plug welding hole 54, and the middle support top rib plate 522 is plug welded to the right side plate of the left guide groove 12 through the plug welding hole 54. 522 is plug-welded with the middle panel 13 through the plug-welding hole 54, and the middle support right rib plate 523 is plug-welded with the left panel of the right guide groove 14 through the plug-welding hole 54; the right support rib plate 53 includes a right support left rib plate 531 and a right support top rib plate 532 connected in sequence, and the right support left rib plate 531 and the right support top rib plate 532 are both provided with plug-welding holes 54, and the right support left rib plate 531 is plug-welded with the right panel 14 through the plug-welding hole 54, and the right support top rib plate 532 is plug-welded with the right panel 15 through the plug-welding hole 54. The left support rib plate 51, the middle support rib plate 52 and the right support rib plate 53 are welded with the bending panel 1 through the above-mentioned plug-welding method, so that the bending sill after welding has stronger rigidity, greater support capacity and bearing capacity, and effectively reduces the risk of deformation or fracture of the bending sill caused by vibration or impact.

[0040] In this embodiment, both the left support plate 212 and the right support plate 232 are provided with a plug welding groove 24, and the left support plate 212 is plug welded to the left panel 11 through the plug welding groove 24, and the right support plate 232 is plug welded to the right panel 15 through the plug welding groove 24. The left support plate 212 and the right support plate 232 are welded to the bent panel 1 through the above-mentioned plug welding method, so that the weld formed by the plug welding has a neat and beautiful appearance, which can improve the overall appearance quality of the bent sill.

[0041] In this embodiment, the bottom plate of the left guide groove 12 and the bottom plate of the right guide groove 14 are welded to the bottom support plate 222. The welding here preferably adopts conventional electric welding or resistance welding to ensure sufficient connection strength.

[0042] In summary, this elastic composite bending sill can solve the problem of easy wear and deformation of the bending sill in the prior art.

[0043] In the absence of conflict, the above-mentioned embodiments and features thereof may be combined with each other.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An elastic composite bending sill, characterized in that: The invention comprises a bending panel (1), a support plate (2), an adhesive layer (3) and a wear-resistant layer (4); the support plate (2) is installed below the bending panel (1); the adhesive layer (3) is laid on the upper surface of the bending panel (1) and on the lower surface of the wear-resistant layer (4); the adhesive layer (3) is used to bond and fix the wear-resistant layer (4) to the bending panel (1); and a supporting rib plate group (5) is arranged between the bending panel (1) and the support plate (2).

2. The elastic composite bending sill according to claim 1, characterized in that: The bending panel (1) is a galvanized plate or a cold plate, the support plate (2) is a hot-rolled steel plate, the bonding layer (3) is an epoxy-modified polyurethane primer, the wear-resistant layer (4) is an epoxy-polyurethane mixed coating, and the supporting rib plate group (5) is a galvanized plate.

3. The elastic composite bending sill according to claim 2, characterized in that: The thickness of the bent panel (1) is 2.5-3 mm, the thickness of the support plate (2) is 4-5 mm, the thickness of the adhesive layer (3) is 0.1-0.2 mm, the thickness of the wear-resistant layer (4) is 1-2 mm, and the thickness of the supporting rib plate group (5) is 2-3 mm.

4. The elastic composite bending sill according to claim 3, characterized in that: The thickness of the bent panel (1) is 3 mm, the thickness of the support plate (2) is 5 mm, the thickness of the adhesive layer (3) is 0.1 mm, the thickness of the wear-resistant layer (4) is 2 mm, and the thickness of the supporting rib plate group (5) is 3 mm.

5. The elastic composite bending sill according to claim 1, characterized in that: The support rib plate group (5) and the bent panel (1) are at least partially welded by plug welding.

6. The elastic composite bending sill according to any one of claims 1 to 5, characterized in that: The folding panel (1) comprises a left panel (11), a left guide groove (12), a middle panel (13), a right guide groove (14) and a right panel (15) which are connected in sequence; the left guide groove (12) is located between the middle panel (13) and the left panel (11), and the right guide groove (14) is located between the middle panel (13) and the right panel (15); The support plate (2) comprises a left support plate (21), a bottom support plate (22) and a right support plate (23) which are connected in sequence; The support rib plate group (5) comprises a left support rib plate (51), a middle support rib plate (52) and a right support rib plate (53); the left support rib plate (51) is located between the left panel (11) and the bottom support plate (22), the middle support rib plate (52) is located between the middle panel (13) and the bottom support plate (22), and the right support rib plate (53) is located between the right panel (15) and the bottom support plate (22).

7. The elastic composite bending sill according to claim 6, characterized in that: The left guide groove (12) comprises a left guide groove left side plate (121), a left guide groove bottom plate (122) and a left guide groove right side plate (123) which are connected in sequence; The right guide groove (14) comprises a right guide groove left side plate (141), a right guide groove bottom plate (142) and a right guide groove right side plate (143) which are connected in sequence.

8. The elastic composite bending sill according to claim 7, characterized in that: The left supporting rib plate (51) is provided with a plug welding hole (54), and the left supporting rib plate (51) is plug welded to the right side plate (123) of the left guide groove through the plug welding hole (54); The middle support rib plate (52) comprises a middle support left rib plate (521), a middle support top rib plate (522) and a middle support right rib plate (523) which are connected in sequence. The middle support left rib plate (521), the middle support top rib plate (522) and the middle support right rib plate (523) are all provided with plug welding holes (54). The middle support left rib plate (521) is plug welded to the right plate (123) of the left guide groove through the plug welding hole (54). The middle support top rib plate (522) is plug welded to the middle panel (13) through the plug welding hole (54). The middle support right rib plate (523) is plug welded to the left plate (141) of the right guide groove through the plug welding hole (54). The right support rib plate (53) comprises a right support left rib plate (531) and a right support top rib plate (532) which are connected in sequence. The right support left rib plate (531) and the right support top rib plate (532) are both provided with plug welding holes (54). The right support left rib plate (531) is plug welded to the right side plate (143) of the right guide groove through the plug welding hole (54), and the right support top rib plate (532) is plug welded to the right panel (15) through the plug welding hole (54).

9. The elastic composite bending sill according to claim 7, characterized in that: The left support plate (21) and the right support plate (23) are both provided with plug welding grooves (24); the left support plate (21) is plug welded to the left panel (11) through the plug welding grooves (24); and the right support plate (23) is plug welded to the right panel (15) through the plug welding grooves (24).

10. The elastic composite bending sill according to claim 7, characterized in that: The left guide groove bottom plate (122) and the right guide groove bottom plate (142) are welded to the bottom supporting plate (22).

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