Elevator landing door sill and elevator

By designing the main body of the elevator door sill as a steel plate and combining it with aluminum guide parts, the existing pure aluminum plate has high cost and weak strength, achieving material saving and strength improvement, while simplifying the Installation and maintenance process.

CN222475847UActive Publication Date: 2025-02-14WITTUR ELEVATOR COMPONENTS SUZHOU
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Patent Information

Application Number
CN202421385562.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-02-14
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The existing elevator floor sills use pure aluminum profiles, which are cost-effective and weak, easy to deform, and have poor installation and maintenance versatility.

Method used

The steel plate is used as the main body of the silo and the guide piece made of aluminum. The main body of the silo is formed by bending, and the guide piece is installed and disassembled from the front of the main body of the silo, making it easy to replace separately.

Benefits of technology

Effectively reduce material costs, improve the overall strength of the sill, simplify the installation and maintenance process, and solve the problems of insufficient strength and easy deformation of the sill of the pure aluminum plate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The elevator landing door sill comprises a sill main body and a plurality of guide pieces fixedly connected with the sill main body, the sill main body is a steel plate, the guide pieces are made of aluminum, the sill main body is parallel to the guide pieces, the wall thickness of the sill main body is larger than that of the guide pieces, and the guide pieces are made of aluminum. The sill body comprises a bottom plate, a first side portion and a second side portion, the first side portion and the second side portion are located above the two sides of the bottom plate, the height direction of the first side portion and the height direction of the second side portion are both perpendicular to the length direction of the bottom plate, and the outer surface of the first side portion and the outer surface of the second side portion are each partially covered with a guide piece. According to the elevator landing door sill, the material cost can be effectively saved, the strength of the sill is improved, and the problems that a sill made of a pure aluminum plate is low in strength and prone to deformation are solved; in addition, due to the structure that the sill body and the guiding piece are combined, the guiding piece can be installed and detached from the front face of the sill body, and the sill body or the guiding piece can be conveniently and independently replaced.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an elevator floor door sill and an elevator comprising the floor door sill. Background Art

[0002] The elevator floor door sills currently used in the market generally adopt a structure that combines pure aluminum profiles as the main guide and metal support plates as auxiliary supports. The main disadvantages of this structure include the following aspects: (1) The cost of using aluminum as the main material is relatively high; (2) During the transportation and installation process of pure aluminum profiles, the strength of the aluminum guide groove is relatively weak and it is easy to deform under external forces, affecting normal installation and use; (3) Because pure aluminum profiles are molded, the shapes of the sill cross-sections on the market are varied, and the versatility of installation and maintenance is poor. Utility Model Content

[0003] In view of this, in order to overcome the defects of the prior art, the utility model provides an improved elevator floor door sill and elevator, which can effectively reduce material costs, increase the overall strength of the sill, and facilitate installation, disassembly and maintenance.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] One object of the utility model is to provide an elevator floor door sill, comprising a sill main body and a plurality of guide members fixedly connected to the sill main body, the sill main body being a steel plate, the guide members being made of aluminum, the sill main body being parallel to the guide members, the wall thickness of the sill main body being greater than the wall thickness of the guide members, the sill main body comprising a bottom plate and a first side portion and a second side portion located above both sides of the bottom plate, the height directions of the first side portion and the second side portion being perpendicular to the length direction of the bottom plate, and the outer surfaces of the first side portion and the second side portion being partially covered with one guide member.

[0006] By designing the floor door sill to be a combination of a steel sill body and an aluminum guide, the main part of the sill is ensured to be a sill body formed by bending a steel plate. Compared with a pure aluminum sill, a pure steel sill body can effectively save material costs and improve the strength of the sill, solving the problem of weak strength and easy deformation of a pure aluminum sill. In addition, the structure of the sill body combined with the guide can realize the installation and removal of the guide from the front of the sill body, making it easy to replace the sill body or the guide separately.

[0007] In addition, an aluminum guide is provided on the steel sill body because the friction coefficient of pure steel plate is larger than that of aluminum plate, which may be detrimental to the guide shoe during the operation of the elevator and may also make noise, so an aluminum guide is provided on its outer surface.

[0008] According to a preferred implementation aspect of the utility model, the first side portion includes a first fixed plate, a first top plate and a first side plate, one end of the first fixed plate is fixedly connected to one end of the bottom plate, the other end of the first fixed plate is fixedly connected to one end of the first top plate, and the other end of the first top plate is fixedly connected to one end of the first side plate.

[0009] According to a preferred implementation aspect of the utility model, the second side portion includes a second fixed plate, a second top plate and a second side plate, one end of the second fixed plate is fixedly connected to the other end of the bottom plate, the other end of the second fixed plate is fixedly connected to one end of the second top plate, and the other end of the second top plate is fixedly connected to one end of the second side plate.

[0010] According to a preferred implementation aspect of the utility model, the first side panel and the second side panel are located between the first fixed panel and the second fixed panel; the first fixed panel and the second fixed panel are both perpendicular to the bottom panel, the first top panel and the second top panel are both parallel to the bottom panel, and the first side panel and the second side panel are both perpendicular to the bottom panel.

[0011] According to a preferred implementation aspect of the utility model, the height of the first fixed plate is equal to the height of the second fixed plate, the width of the first top plate is equal to the width of the second top plate, and the height of the first side plate is greater than the height of the second side plate and less than the height of the first fixed plate.

[0012] According to a preferred implementation aspect of the utility model, the ratio of the height of the second side panel to the first side panel is 1 to 1:3, and the distance between the first side panel and the second side panel is 13 to 18 mm.

[0013] According to the preferred implementation of the utility model, each of the guide members includes a third fixed plate, a third top plate and a third side plate, one of the third top plates is fitted with one of the first top plates or the second top plates and the width of the third top plate is greater than the width of the first top plate, one of the third fixed plates is fitted with one of the first side plates or the second side plates, and one of the third side plates is fitted with one of the first fixed plates or the second fixed plates; a guide groove is formed between the third fixed plate of one guide member and the third side plate of another guide member. A guide groove is formed between the third fixed plate of one guide member and the third side plate of another guide member, so that the floor door can run along the length direction of the guide groove when opening and closing the door.

[0014] According to a preferred implementation aspect of the utility model, the length of the sill body is equal to the length of the first side portion and the second side portion, the height of the third fixing plate is greater than the height of the third side plate, and the height of the third fixing plate is equal to the height of the first side plate.

[0015] According to a preferred implementation aspect of the utility model, the thicknesses of the first fixed plate, the first top plate and the first side plate are equal, the thicknesses of the second fixed plate, the second top plate and the second side plate are equal, and the thickness of the first fixed plate is equal to the thickness of the second fixed plate; the thicknesses of the third fixed plate, the third top plate and the third side plate are equal, and the ratio of the thickness of the third fixed plate to the thickness of the first side plate is 1:1 to 5.

[0016] Another object of the utility model is to provide an elevator comprising the elevator landing door sill as described above.

[0017] Compared with the prior art, the utility model is beneficial in that: the elevator floor door sill and elevator of the utility model, by designing the floor door sill into a combination of a steel sill body and an aluminum guide, ensures that the main part of the sill is a sill body formed by bending a steel plate, and the sill body of a pure steel plate can effectively save material costs compared to a pure aluminum plate sill, and improves the strength of the sill, solving the problem of weak strength and easy deformation of a pure aluminum plate sill. In addition, the structure of combining the sill body with the guide can realize the installation and removal of the guide from the front of the sill body, which is convenient for replacing the sill body or the guide separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the elevator landing door sill in the preferred embodiment of the utility model;

[0020] Figure 2 It is an exploded schematic diagram of the elevator door sill in the preferred embodiment of the utility model;

[0021] Figure 3 It is a side view structural diagram of the elevator landing door sill in the preferred embodiment of the utility model;

[0022] Wherein, the accompanying drawings are marked as follows:

[0023] Sill body -1, first side portion -11, first fixing plate -111, first top plate -112, first side plate -113, second side portion -12, second fixing plate -121, second top plate -122, second side plate -123, bottom plate -13, guide member -2, third fixing plate -21, third top plate -22, third side plate -23, guide groove -3. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0025] See also Figures 1 to 3 The elevator of this embodiment includes structures such as a landing door and a landing door sill, wherein the landing door sill includes a sill body 1 and a plurality of guide members 2 fixedly connected to the sill body 1, the sill body 1 is parallel to the guide members 2 and the length of the sill body 1 is equal to the length of the guide members 2. The sill body 1 is a steel plate, and the guide members 2 are made of aluminum.

[0026] Further, the sill body 1 includes a bottom plate 13 and a first side portion 11 and a second side portion 12 located above both sides of the bottom plate 13, and the height directions of the first side portion 11 and the second side portion 12 are perpendicular to the length direction of the bottom plate 13. Specifically, the first side portion 11 includes a first fixing plate 111, a first top plate 112 and a first side plate 113, and the second side portion 12 includes a second fixing plate 121, a second top plate 122 and a second side plate 123. One end of the first fixed plate 111 is fixedly connected to one end of the bottom plate 13, the other end of the first fixed plate 111 is fixedly connected to one end of the first top plate 112, and the other end of the first top plate 112 is fixedly connected to one end of the first side plate 113; one end of the second fixed plate 121 is fixedly connected to the other end of the bottom plate 13, the other end of the second fixed plate 121 is fixedly connected to one end of the second top plate 122, and the other end of the second top plate 122 is fixedly connected to one end of the second side plate 123; the first side plate 113 and the second side plate 123 are located between the first fixed plate 111 and the second fixed plate 121, and the distance between the first side plate 113 and the second side plate 123 is 13 to 18 mm. Among them, the thickness of the first fixed plate 111, the first top plate 112 and the first side plate 113 are equal, the thickness of the second fixed plate 121, the second top plate 122 and the second side plate 123 are also equal, and the thickness of the first fixed plate 111 is equal to the thickness of the second fixed plate 121, that is, the wall thickness of the first side portion 11 is equal to the wall thickness of the second side portion 12.

[0027] Further, the first fixing plate 111 and the second fixing plate 121 are both perpendicular to the bottom plate 13, the first top plate 112 and the second top plate 122 are both parallel to the bottom plate 13, and the first side plate 113 and the second side plate 123 are both perpendicular to the bottom plate 13. The height of the first fixing plate 111 is equal to the height of the second fixing plate 121, the width of the first top plate 112 is equal to the width of the second top plate 122, the height of the first side plate 113 is greater than the height of the second side plate 123 and less than the height of the first fixing plate 111, and the ratio of the height of the second side plate 123 to the first side plate 113 is 1 to 1:3.

[0028] Furthermore, in this embodiment, two guide members 2 are provided, which are respectively provided corresponding to the first side portion 11 and the second side portion 12, and the two guide members 2 are respectively covered on the upper surfaces of the first side portion 11 and the second side portion 12 and fixedly connected. Specifically, each guide member 2 includes a third fixing plate 21, a third top plate 22 and a third side plate 23, one end of the third fixing plate 21 is fixedly connected to one end of the third top plate 22, and the other end of the third top plate 22 is fixedly connected to one end of the third side plate 23. The third top plate 22 of the guide member 2 covered on the first side portion 11 is fitted with the first top plate 112 and the width of the third top plate 22 is greater than the width of the first top plate 112, the third fixing plate 21 is fitted with the first side plate 113, and the third side plate 23 is fitted with the first fixing plate 111; the third top plate 22 of the guide member 2 covered on the second side portion 12 is fitted with the second top plate 122 and the width of the third top plate 22 is greater than the width of the second top plate 122, the third fixing plate 21 is fitted with the second side plate 123, and the third side plate 23 is fitted with the second fixing plate 121. A guide groove 3 is formed between the third fixing plate 21 of one guide member 2 and the third side plate 23 of another guide member 2, so that the landing door can move along the length direction of the guide groove 3 when opening and closing the door.

[0029] In this embodiment, the height of the third fixing plate 21 is greater than the height of the third side plate 23, and the height of the third fixing plate 21 is equal to the height of the first side plate 113, so as to avoid the upper surface of the sill body 1 of the pure steel plate being exposed to the outside and causing friction with the guide shoe, which is not good for the guide shoe, and also avoids noise during the operation of the elevator. In addition, the thickness of the third fixing plate 21, the third top plate 22 and the third side plate 23 are equal, and the thickness of the third fixing plate 21 is less than the thickness of the first side plate 113, and the ratio of the thickness of the third fixing plate 21 to the thickness of the first side plate 113 is 1:1-5. The thickness of the guide member 2 cannot be too thick or too thin, and it only needs to ensure that when it is covered on the surface of the first side portion 11 and the second side portion 12, it can reduce the friction coefficient between the surface of the floor door sill and other components without causing the guide member 2 to be easily worn.

[0030] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly. They cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An elevator door sill, characterized in that: It includes a sill body and a plurality of guide members fixedly connected to the sill body, the sill body is a steel plate, the guide members are made of aluminum, the sill body is parallel to the guide members, the wall thickness of the sill body is greater than the wall thickness of the guide members, the sill body includes a bottom plate and a first side portion and a second side portion located above both sides of the bottom plate, the height directions of the first side portion and the second side portion are both perpendicular to the length direction of the bottom plate, and the outer surfaces of the first side portion and the second side portion are partially covered with one of the guide members.

2. The elevator door sill according to claim 1, characterized in that: The first side portion includes a first fixed plate, a first top plate and a first side plate, one end of the first fixed plate is fixedly connected to one end of the bottom plate, the other end of the first fixed plate is fixedly connected to one end of the first top plate, and the other end of the first top plate is fixedly connected to one end of the first side plate.

3. The elevator door sill according to claim 2, characterized in that: The second side portion includes a second fixed plate, a second top plate and a second side plate, one end of the second fixed plate is fixedly connected to the other end of the bottom plate, the other end of the second fixed plate is fixedly connected to one end of the second top plate, and the other end of the second top plate is fixedly connected to one end of the second side plate.

4. The elevator door sill according to claim 3, characterized in that: The first side plate and the second side plate are located between the first fixing plate and the second fixing plate; the first fixing plate and the second fixing plate are both perpendicular to the bottom plate, the first top plate and the second top plate are both parallel to the bottom plate, and the first side plate and the second side plate are both perpendicular to the bottom plate.

5. The elevator door sill according to claim 3, characterized in that: The height of the first fixing plate is equal to the height of the second fixing plate, the width of the first top plate is equal to the width of the second top plate, and the height of the first side plate is greater than the height of the second side plate and less than the height of the first fixing plate.

6. The elevator door sill according to claim 5, characterized in that: The ratio of the height of the second side plate to the height of the first side plate is 1 to 1:3, and the distance between the first side plate and the second side plate is 13 to 18 mm.

7. The elevator door sill according to claim 3, characterized in that: Each of the guide members includes a third fixed plate, a third top plate and a third side plate. One of the third top plates is fitted with one of the first top plate or the second top plate and the width of the third top plate is greater than the width of the first top plate. One of the third fixed plates is fitted with one of the first side plate or the second side plate. One of the third side plates is fitted with one of the first fixed plate or the second fixed plate. A guide groove is formed between the third fixed plate of one guide member and the third side plate of another guide member.

8. The elevator door sill according to claim 7, characterized in that: The length of the sill body is equal to the length of the first side portion and the second side portion, the height of the third fixing plate is greater than the height of the third side plate, and the height of the third fixing plate is equal to the height of the first side plate.

9. The elevator door sill according to claim 7, characterized in that: The thicknesses of the first fixed plate, the first top plate and the first side plate are equal, the thicknesses of the second fixed plate, the second top plate and the second side plate are equal, and the thickness of the first fixed plate is equal to the thickness of the second fixed plate; the thicknesses of the third fixed plate, the third top plate and the third side plate are equal, and the ratio of the thickness of the third fixed plate to the thickness of the first side plate is 1:1 to 5.

10. An elevator comprising the elevator landing door sill according to any one of claims 1 to 9.