Car for car-door-free household elevator

By using a car-less design for home elevators, the main board and auxiliary board are assembled opposite each other and fixed together by end plates, which solves the problems of complex structure and large size of the door frame components, and achieves the effects of simplifying production, reducing costs and improving user experience.

CN224147479UActive Publication Date: 2026-04-21NINGBO LILONG ELECTROMECHANICAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO LILONG ELECTROMECHANICAL
Filing Date
2025-05-30
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The existing car door frame components are complex in structure and large in size, occupying space inside the car, increasing production costs and the difficulty of disassembly and maintenance. At the same time, they cannot be adapted to car-less home elevators, affecting the user experience.

Method used

The elevator adopts a car-less design for home elevators, which uses a main board and a sub-board that are assembled opposite each other and fixed together by end plates. This reduces the thickness of the door frame components, simplifies the structure, and eliminates the need for assembly space for the door operator control system and door lock device.

Benefits of technology

It effectively reduces the size of the door frame components, lowers production costs, simplifies the production and assembly process, enhances the user experience, and increases the interior space of the car, making it suitable for carless home elevators.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224147479U_ABST
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Abstract

The utility model relates to a car for a car-door-free household elevator. A lintel assembly of an existing lift car is complex in structure. The car body comprises a car body, the car body comprises a lintel assembly, the lintel assembly comprises a long-strip-shaped main plate, a long-strip-shaped auxiliary plate and a long-strip-shaped end plate, and the main plate and the auxiliary plate oppositely abut against each other, are spliced and are fixedly connected through the end plate so as to reduce the thickness of the lintel assembly. The main plate and the auxiliary plate are oppositely spliced and fixedly connected through the end plate, so that the main plate and the auxiliary plate are kept parallel to each other at a small interval, the thickness of the lintel assembly is reduced, the occupied size of a lift car is reduced, production, assembly and use are facilitated, and the use experience is improved.
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Description

Technical Field

[0001] This utility model relates to the field of elevators, specifically to an elevator car. Background Technology

[0002] The existing elevator car includes a top plate, a bottom plate, front columns, rear columns, and a door lintel assembly, with the lintel assembly located between the tops of the front columns. The lintel assembly contains space for installing the door operator control system and door lock device. The door operator control system controls the opening and closing of the car doors, and the door lock device locks the car doors. The lintel assembly needs to ensure its structural strength meets usage requirements while also reserving a large assembly space. This results in a complex and large structure for the lintel assembly, occupying significant space within the car and increasing production costs and the difficulty of disassembly and maintenance. Furthermore, in the home elevator industry, to simplify the car structure while ensuring safety, car structures without car doors have been developed. This makes the existing lintel assembly incompatible with doorless home elevator cars, impacting the user experience. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a doorless home elevator car.

[0004] This utility model achieves its purpose through the following method: a doorless home elevator car, comprising a car body, the car body including a lintel assembly, the lintel assembly including a main plate, a sub-plate, and an end plate in the shape of an elongated strip, the main plate and the sub-plate being joined together opposite each other and fixed by the end plate to reduce the thickness of the lintel assembly. The opposing joint of the main plate and the sub-plate and their fixed connection by the end plate ensures that the main plate and the sub-plate maintain a parallel posture with a small gap, reducing the thickness of the lintel assembly and thus the volume occupied in the car, while also facilitating production, assembly, and use, and improving the user experience. Since no assembly space is required, the volume of the lintel assembly can be significantly reduced, simplifying the structure and reducing production costs, thus making it suitable for doorless home elevator cars.

[0005] Preferably, the main board and sub-board are of equal length, and are joined together in a parallel orientation, fixedly positioned by end plates to form a long, plate-shaped cavity between them. This equal length arrangement allows the corresponding ends of the main board and sub-board to be fixedly connected via the end plates, effectively improving the structural strength of the lintel assembly. The end plates serve to fix and position the main board and sub-board, ensuring they remain parallel to each other, resulting in a cuboid shape for the lintel assembly. This facilitates assembly and disassembly, effectively reducing the distance between the main board and sub-board, thus reducing the volume of the lintel assembly. It also ensures that the main board and sub-board do not contact each other and maintain a preset distance, thereby improving the lintel assembly's resistance to deformation and meeting the support and fixing requirements between the front posts and between the front posts and the top plate.

[0006] Preferably, the bottom edge of the main board is bent to form a downward-folded main edge facing the sub-board, and the bottom edge of the sub-board is bent to form a downward-folded secondary edge facing the main board. The downward-folded main edge and the downward-folded secondary edge are vertically stacked and support the corresponding end plates through their end edges. The downward-folded main edge is perpendicular to the main board and integrally formed, which improves the deformation resistance of the bottom edge of the main board. The downward-folded secondary edge is perpendicular to the sub-board and integrally formed, which improves the deformation resistance of the bottom edge of the sub-board. During installation, the downward-folded main edge and the downward-folded secondary edge are vertically aligned and stacked, which not only improves the structural strength of the bottom of the lintel assembly, but also provides positioning for the main board and the sub-board, ensuring that the main board and the sub-board are positioned by contact during installation, thereby improving production efficiency and assembly accuracy.

[0007] Preferably, the widths of the lower fold main edge and the lower fold secondary edge are the same, so that their vertical projections match and overlap. After being stacked, the lower fold main edge and the lower fold secondary edge can completely cover each other vertically, ensuring the flatness of the bottom surface of the lintel assembly and improving the adhesion reliability by increasing the contact area between the lower fold main edge and the lower fold secondary edge.

[0008] Preferably, the length of the downward-folding main edge corresponds to the length of the bottom edge of the main board, and the length of the downward-folding secondary edge corresponds to the length of the bottom edge of the secondary board. The downward-folding main edge can enhance the structural strength of each section of the bottom edge of the main board, and the downward-folding secondary edge can enhance the structural strength of each section of the bottom edge of the secondary board. By enhancing the structural strength of the main board and the secondary board, the structural strength of the lintel assembly is improved, so that the lintel assembly still has the structural strength to meet the usage requirements even with a reduced thickness.

[0009] Preferably, the main board has an upward-folding main edge at the center of its top edge facing the sub-board, and the sub-board has an upward-folding secondary edge at its center facing the main board. The upward-folding main edge and the upward-folding secondary edge approach each other and join together to form a flat top surface of the lintel assembly. The upward-folding main edge is perpendicular to the main board and integrally formed, and the upward-folding secondary edge is perpendicular to the sub-board and integrally formed. The upward-folding main edge and the upward-folding secondary edge respectively enhance the structural strength of the top edges of the main board and the sub-board, and are also fixed by welding to secure the top edges of the main board and the sub-board, ensuring that the distance between the top edges of the main board and the sub-board remains constant, thus improving the structural strength of the lintel assembly. The upward-folding main edge is located at the center of the top edge of the main board, and the downward-folding secondary edge is located at the center of the top edge of the sub-board, thereby forming notches at both ends of the top surface of the lintel assembly to facilitate the installation of end plates.

[0010] Preferably, the upper fold main edge is L-shaped, and its end edge is bent downwards to form a main connecting edge. The upper fold secondary edges are also L-shaped, and their end edges are bent downwards to form secondary connecting edges. The main and secondary connecting edges are abutted against each other and fixed by welding. The upper fold main edge has a vertical main connecting edge, and the upper fold secondary edges have vertical secondary connecting edges. The main and secondary connecting edges face each other and are fixed by welding, which increases the contact area to improve positioning reliability and ensures connection reliability through welding.

[0011] Preferably, the side edges of the end plate are bent to form side edges, and the end edges of the end plate are bent to form end edges. The end plate is inserted into the corresponding ends of the cavity, and the side edges and end edges are respectively attached to and bonded to the side wall and bottom wall of the cavity. The end plate is used to seal the end face of the inner cavity. The end plate is attached to the main plate and the sub-plate through the side edges and end edges located on its periphery, thereby increasing the contact area and improving the adhesion reliability.

[0012] Preferably, the car includes a top plate, a bottom plate, and front and rear columns spanning the corresponding corners of the top and bottom plates. There are two front columns, with a lintel assembly and a sill assembly respectively installed between their top and bottom ends, forming an open, doorless passageway. The two front columns are positioned between the corresponding corners of the front edges of the top and bottom plates, and the two rear columns are positioned between the corresponding corners of the rear edges of the top and bottom plates, ensuring the top and bottom plates are vertically parallel. Because there is no door, the front columns, lintel assembly, and sill assembly form an open, doorless passageway, facilitating the entry and exit of people and goods.

[0013] Preferably, the top edge of the main board is provided with mounting holes with vertical countersunk rivet nuts. The lintel assembly is fixed to the corresponding edge of the top plate by the countersunk rivet nuts. There are at least three mounting holes, which are equidistantly distributed along the length of the upper folded main edge to ensure that the lintel assembly is firmly connected to the top plate.

[0014] Preferably, the end plate is provided with mounting holes for fasteners, and the end of the lintel assembly is fixed to the corresponding front post by fasteners. The lintel assembly and the front post are arranged perpendicularly and are firmly connected by fasteners to ensure that the relative positions of the front post components are fixed.

[0015] The beneficial effects of this utility model are as follows: the main board and the sub-board are assembled opposite each other and fixed together by the end plate, so that the main board and the sub-board maintain a parallel posture with a small gap. This not only reduces the thickness of the door frame assembly, thereby reducing the volume occupied in the car, but also facilitates production, assembly and use, and improves the user experience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the disassembled structure of the lintel assembly;

[0017] Figure 2 This is a schematic diagram of the front view structure of the lintel assembly;

[0018] Figure 3 This is a cross-sectional view of the motherboard.

[0019] Figure 4 This is a cross-sectional view of the sub-plate.

[0020] Figure 5 This is a schematic diagram of the end plate structure;

[0021] In the diagram: 1. Main board, 2. Sub-board, 3. End board, 4. Lower fold main edge, 5. Lower fold secondary edge, 6. Upper fold secondary edge, 7. Upper fold main edge, 8. Main connecting edge, 9. Sub-connecting edge, 10. Side edge, 11. End edge, 12. Mounting hole, 13. Countersunk rivet nut, 14. Assembly hole. Detailed Implementation

[0022] The essential features of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0023] like Figure 1 and 2 The illustrated car is a doorless home elevator, consisting of a car body with a door lintel assembly. The door lintel assembly includes a main plate 1, a secondary plate 2, and an end plate 3, all elongated in shape. The main plate 1 and secondary plate 2 are joined together opposite each other and fixedly connected by the end plate 3 to reduce the thickness of the door lintel assembly. This arrangement ensures that the main plate 1 and secondary plate 2 remain parallel to each other with a small gap, reducing the thickness of the door lintel assembly and thus the occupied car volume. It also facilitates production, assembly, and use, improving the user experience.

[0024] In actual operation, the car body includes a lintel assembly, a top plate, a bottom plate, and front and rear uprights spanning the corresponding corners of the top and bottom plates. There are two front uprights, with a lintel assembly and a threshold assembly respectively installed between their top and bottom ends, forming an open, doorless passageway. The front and rear uprights span between the top and bottom plates, ensuring vertical alignment and assembling with the front and rear uprights to form the car body. This open, doorless passageway allows personnel and goods to enter and exit the car body, effectively improving the efficiency of passenger and cargo transport. Since there is no car door, there is no need to reserve assembly space in the lintel assembly for installing the door operator control system and door lock device. This not only simplifies the structure of the lintel assembly, making production and assembly easier, but also effectively reduces the volume of the lintel assembly and effectively increases the space inside the car.

[0025] In actual operation, the motherboard 1 is a single-piece structure (e.g., Figure 3 As shown), the bottom edge of the main board 1 is bent to form a downward folded main edge 4 facing the sub-board 2, and the top edge of the main board 1 has an upward folded main edge 7 facing the sub-board 2; the sub-board 2 is an integral structure (as shown). Figure 4As shown), the bottom edge of the sub-plate 2 is bent to form a downward folded sub-edge 5 facing the main plate 1. The sub-plate 2 has an upward folded sub-edge 6 in the middle facing the main plate 1. The upward folded main edge 7 is L-shaped, and the end edge of the upward folded main edge 7 is bent downward to form a main connecting edge 8. The end plate 3 is an integral structure (as shown). Figure 5 As shown), the side edge of the end plate 3 is bent to form a side edge 10, the end edge of the end plate 3 is bent to form an end edge 11, the upper folded sub-edges 6 are all L-shaped, and the end edge of the upper folded sub-edges 6 is bent downward to form a sub-connecting edge 9.

[0026] During installation, the main board 1 and the sub-board 2 are kept in a vertical position and brought together facing each other. The lower folded sub-board 2 overlaps the lower folded main board 1, and the upper folded main board 1 and the upper folded sub-board 2 are brought together facing each other and abutted by the main connecting edge 8 and the sub connecting edge 9. This forms a long, strip-shaped cavity with two open ends between the main board 1 and the sub-board 2. The end plate 3 is inserted and fixed in the two ends of the cavity, which serves to fix and position the main board 1 and the sub-board 2.

[0027] Specifically, the end edge 11 of the end plate 3 is bonded to the upper folding sub-plate 2, the side edge 10 is bonded to the main plate 1, and the side edge 10 is bonded to the sub-plate 2 with adhesive. The upper folding main plate 1 and the upper folding sub-plate 2 are bonded with adhesive. The main connecting edge 8 and the sub connecting edge 9 are tightly fitted together and fixed by spot welding to ensure that the main plate 1, sub-plate 2 and end plate 3 are firmly connected. In addition, other connection methods that are convenient to assemble and have good structural strength can also be used to connect the corresponding connected components, which should also be considered as specific embodiments of this utility model.

[0028] In actual operation, the main board 1 and the sub-board 2 are set to the same length, and the widths of the downward folding main edge 4 and the downward folding sub-edge 5 are the same. The length of the downward folding main edge 4 corresponds to the bottom edge length of the main board 1, and the length of the downward folding sub-edge 5 corresponds to the bottom edge length of the sub-board 2, so that their vertical projections match and overlap. The main board 1 and the sub-board 2 are parallel to each other and close together, and are fixedly positioned by the end plate 3, ensuring that the main board 1, the sub-board 2, and the end plate 3 can be enclosed to form a cubic lintel assembly, and a long plate-shaped cavity is formed between the main board 1 and the sub-board 2. The thickness of the lintel assembly is reduced by decreasing the distance between the main board 1 and the sub-board 2.

[0029] In actual operation, the upper folding main edge 7 and the upper folding secondary edge 6 approach each other and join together to form a flat top surface of the lintel assembly. After installation, the vertical projections of the upper folding main edge 7 and the upper folding secondary edge 6 are staggered to prevent them from overlapping locally, ensuring that the top surface of the lintel assembly is flat and easy to attach and fix to the top plate.

[0030] In actual operation, the top edge of the main board 1 is provided with a mounting hole 12 with a vertical countersunk nut 13. The lintel assembly is fixed to the corresponding edge of the top plate through the countersunk nut 13. The countersunk nut 13 passes through the mounting hole 12 and is fixed to the top plate, ensuring a firm connection between the top plate and the lintel assembly.

[0031] In actual operation, the end plate 3 is provided with mounting holes 14 with fasteners, and the end of the lintel assembly is fixed to the corresponding front post by fasteners. The fasteners pass through the mounting holes 14 and are screwed and locked to the front post to ensure a firm connection between the lintel assembly and the front post.

Claims

1. A car for a home elevator without a car door, comprising a car body, the car body comprising a lintel assembly, characterized in that, The lintel assembly includes a main board (1), a sub-board (2), and an end plate (3) in the shape of a long strip. The main board (1) and the sub-board (2) are joined together and fixed by the end plate (3) to reduce the thickness of the lintel assembly.

2. A car for a home elevator without a landing door according to claim 1, characterized in that The main board (1) and the sub-board (2) are of equal length. The main board (1) and the sub-board (2) are parallel to each other and are joined together and fixedly positioned by the end plate (3) to form a long plate-shaped cavity between the main board (1) and the sub-board (2).

3. The car for a home elevator without a landing door according to claim 1, characterized in that, The bottom edge of the main board (1) is bent to form a downward folded main edge (4) facing the sub-board (2), and the bottom edge of the sub-board (2) is bent to form a downward folded secondary edge (5) facing the main board (1). The downward folded main edge (4) and the downward folded secondary edge (5) are vertically stacked and support the corresponding end plate (3) through the end edge.

4. The car for a home elevator without a landing door according to claim 3, characterized in that, The widths of the lower fold main edge (4) and the lower fold secondary edge (5) are the same, so that their vertical projections match and overlap.

5. The car for a home elevator without a landing door according to claim 3, characterized in that, The length of the lower fold main edge (4) corresponds to the length of the bottom edge of the main board (1), and the length of the lower fold secondary edge (5) corresponds to the length of the bottom edge of the secondary board (2).

6. The car for a home elevator without a landing door according to claim 1, characterized in that, The main board (1) has an upper folded main edge (7) facing the sub-board (2) at the top edge center, and the sub-board (2) has an upper folded secondary edge (6) facing the main board (1) at the center. The upper folded main edge (7) and the upper folded secondary edge (6) approach each other and are joined together to form the flat top surface of the lintel assembly.

7. A car for a home elevator without a landing door according to claim 6, characterized in that The upper fold main edge (7) is L-shaped, and the end edge of the upper fold main edge (7) is bent downward to form a main connecting edge (8). The upper fold secondary edges (6) are all L-shaped, and the end edge of the upper fold secondary edges (6) is bent downward to form a secondary connecting edge (9). The main connecting edge (8) and the secondary connecting edge (9) abut against each other and are fixed by welding.

8. The car for a home elevator without a landing door according to claim 2, characterized in that, The side edge of the end plate (3) is bent to form a side edge (10), and the end edge of the end plate (3) is bent to form an end edge (11). The end plate (3) is inserted into the corresponding end of the cavity. The side edge (10) and the end edge (11) are respectively attached to and fixed to the side wall and bottom wall of the cavity.

9. A car for a home elevator without a landing door according to any one of claims 1-8, characterized in that, The car includes a top plate, a bottom plate, and front and rear columns spanning the corresponding corners of the top and bottom plates. There are two front columns, and a lintel assembly and a sill assembly are respectively provided between the top and bottom of the front columns, so that the front columns, lintel assembly and sill assembly enclose an open passage without doors.

10. A car for a home elevator without a landing door according to claim 9, characterized in that The main board (1) has a mounting hole (12) with a countersunk nut (13) on its top edge. The lintel assembly is fixed to the corresponding edge of the top plate by the countersunk nut (13). Alternatively, the end plate (3) has an assembly hole (14) with a fastener. The end of the lintel assembly is fixed to the corresponding front post by the fastener.