Door opening and closing structure of arc-shaped elevator

Abstract

The door opening and closing structure of the arc-shaped elevator comprises a control mechanism, a driving mechanism, a sliding mechanism, an arc-shaped door and a limiting mechanism, the driving mechanism comprises a motor assembly and an inner gear meshed with the motor assembly, and the sliding mechanism comprises an upper pulley assembly arranged on the outer side of the inner gear and an upper arc-shaped rail arranged on the periphery of the inner gear. The lower pulley assembly and the lower arc-shaped track are arranged on the lower side of the arc-shaped door, the upper pulley assemblies are connected with the upper side of the arc-shaped door, the number of the upper pulley assemblies is at least two, the number of the lower pulley assembly is at least one, and the inner gear is one section of the circular inner gear. According to the scheme, two sets of same door opening and closing structures are preset according to user requirements, the problems of attractiveness, novelty and free door opening and closing of a circular lift car are solved, different door opening directions of all floors of the user are facilitated, the scheme can be suitable for application of diversified residences or commercial buildings, the market share of the arc-shaped elevator is increased, and the market competitiveness of the arc-shaped elevator is improved. The method is popular with vast users.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator production and manufacturing, in particular to an opening and closing door structure of a curved elevator. Background Art

[0002] The market demands not only practicality but also aesthetics for home elevators. Boxy elevators have become aesthetically pleasing, while differently shaped elevators, such as curved ones, are eye-catching and popular with users. However, existing elevator door opening and closing mechanisms are only suitable for square car doors, not the curved doors of curved elevators, hindering product development.

[0003] In order to solve the above technical problems, this solution proposes an opening and closing door structure for a curved elevator. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that the existing elevator door opening and closing mechanism is not suitable for the arc-shaped doors of arc-shaped elevators, thus affecting the product development of arc-shaped elevators. The specific solution is as follows:

[0005] The camshaft is connected to the upper and lower parts of the camshaft, and the camshaft is connected to the lower part of the camshaft to move the camshaft to move relative to the lower part of the camshaft.

[0006] Furthermore, the motor assembly includes a motor, a gearbox connected to the motor main shaft, and a driving gear provided outside the gearbox, and the driving gear matches and meshes with the internal gear.

[0007] Furthermore, one end of the upper arc track is located on the circumference of the car top of the circular car, and the other end of the upper arc track is located near the circumference of the car top of the circular car, and the two ends of the upper arc track are respectively fixedly connected to different square steel bars arranged on the car top.

[0008] Furthermore, the length of the upper arc track is greater than the length of the internal gear, the control mechanism is a control box, and the control box and the motor assembly are fixed to the ends of other square steel bars on the car roof.

[0009] Furthermore, the upper pulley assembly includes an upper pulley frame and two upper pulleys arranged on the left and right sides of the upper pulley frame.

[0010] Furthermore, the upper pulleys are respectively arranged on the short shafts on the left and right side plates of the upper pulley frame, and the upper pulleys slide on the upper arc track.

[0011] Furthermore, the upper part of the upper pulley frame is a horizontal fixing plate extending inward, and the lower part of the upper pulley frame is a fixing column protruding outward. The horizontal fixing plate is fixedly connected to the two screw holes on the upper side of the internal gear by two screws. The fixing column is inserted into the fixing hole near the upper edge of the arc door and then locked with screws, washers and nuts.

[0012] Furthermore, the lower pulley assembly includes an inner clip, an outer clip, and a lower pulley. The outer clip is provided with an inward bend in the middle portion, and the lower pulley is fixed to the inward bend through the upper end of the short shaft. The inner clip and the outer clip are respectively attached to the inner and outer sides of the arc door, and are fixedly connected to the fixing holes at the lower edge of the arc door by two screws. The lower pulley is embedded in the lower arc track on the car floor.

[0013] Furthermore, the limit mechanism includes a door closing state switch, a door closing limit switch and a door opening limit switch which are electrically connected to the control box respectively.

[0014] Furthermore, the contact piece of the door closing state switch touches one side of the horizontal fixed plate of the upper pulley frame near the front of the door closing, the contact piece of the door closing limit switch touches one side of the lower part of the upper pulley frame near the front of the door closing, and the contact piece of the door opening limit switch touches one side of the lower part of the upper pulley frame near the front of the door opening.

[0015] In summary, the technical solution of the present invention has the following beneficial effects:

[0016] The curved elevator's door opening and closing structure of this solution is pre-set with two identical sets of door opening and closing structures based on user needs. This not only solves the problems of the circular car's aesthetics, novelty, and easy door opening and closing, but also facilitates the user's ability to open the door in different directions on each floor, making this solution suitable for a variety of residential or commercial building applications, increasing the market share of curved elevators and gaining popularity among users. This solution uses a control mechanism, drive mechanism, and upper curved track installed on the square steel bars on the car roof. The upper pulley assembly lifts the upper part of the curved door and slides it along the upper curved track, ensuring structural strength and flexible door opening and closing. The limiting mechanism of this solution improves the safety of the curved elevator. In short, this solution has a reasonable and rigorous structure, an exquisite and novel appearance, flexible use, good compatibility, safety and reliability, and improves the market competitiveness of curved elevators. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments of the present invention. Obviously, the drawings described below are only part of the embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0018] Figure 1 This is a structural diagram of the opening and closing door structure of a curved elevator in the present utility model;

[0019] Figure 2 This is a structural diagram of the curved door of the present utility model;

[0020] Figure 3 This is a structural diagram of the control mechanism, drive mechanism, upper arc track, and upper pulley assembly of the utility model;

[0021] Figure 4 This is a structural diagram of the internal gear of the present utility model;

[0022] Figure 5 This is a structural diagram of the upper pulley assembly of the utility model;

[0023] Figure 6 This is a structural diagram of the lower pulley assembly of the present utility model;

[0024] Figure 7 for Figure 6 Exploded view of

[0025] Figure 8 for Figure 1 Enlarged view of area A in the middle;

[0026] Figure 9 for Figure 1 Enlarged view of area B in the middle;

[0027] Figure 10 for Figure 2 Enlarged view of area C in the middle;

[0028] Figure 11 for Figure 2 Magnified view of area D in the middle.

[0029] Description of Figure Numbers:

[0030] 1-Car column, 2-Car top assembly, 3-Car bottom assembly, 4-Main square steel bar, 10-Motor assembly, 11-Internal gear, 12-Upper pulley assembly, 13-Upper curved track, 14-Lower pulley assembly, 15-Lower curved track, 16-Square steel bar, 20-Curved door, 21-Screw, 22-Washer, 23-Nut, 24-Fixing hole, 30-Control box, 40-Door closed status switch, 41-Door closed limit switch, 42-Door open limit switch, 100-Round car , 101-motor, 102-gearbox, 103-drive gear, 111-screw hole, 121-upper pulley frame, 122-upper pulley, 123-side plate, 124-short shaft, 125-horizontal fixing plate, 126-fixing column, 141-inner clip, 142-outer clip, 143-lower pulley, 144-inward bend, 400-door closed state switch touch point, 401-contact piece, 410-door closing limit switch touch point, 420-door opening limit switch touch point. DETAILED DESCRIPTION

[0031] The following will be combined with the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0032] like Figures 1 to 11As shown, a door opening and closing structure of a curved elevator is arranged in a circular car 100, including a control mechanism, a driving mechanism electrically connected to the control mechanism, a sliding mechanism connected to the driving mechanism, a curved door 20 connected to the sliding mechanism, and a limiting mechanism electrically connected to the control mechanism. The control mechanism and the driving mechanism are arranged on the car roof of the circular car 100, the driving mechanism includes a motor assembly 10 and an internal gear 11 meshing with the motor assembly 10, the sliding mechanism includes an upper pulley assembly 12 arranged on the outside of the internal gear 11 and an upper curved track 13 arranged on the periphery of the internal gear 11 and for the upper pulley assembly 12 to slide, and also includes a lower pulley assembly 14 arranged on the lower side of the curved door 20 and a lower curved track 15 provided on the circular car 100 for the lower pulley assembly 14 to slide. The upper pulley assembly 12 is connected to the upper side of the curved door 20. Preferably, there are at least two upper pulley assemblies 12 and at least one lower pulley assembly 14. The internal gear 11 is a section of a circular internal gear (not shown in the figure). The angle formed between the two ends of the internal gear 11 and its center is 135°.

[0033] Specifically, the motor assembly 10 includes a motor 101 , a gearbox 102 connected to the main shaft of the motor 101 , and a driving gear 103 disposed outside the gearbox 102 . The driving gear 103 matches and meshes with the internal gear 11 .

[0034] Specifically, one end of the upper curved track 13 is located on the circumference of the car roof of the circular car 100, and the other end of the upper curved track 13 is located near the inside circumference of the car roof of the circular car 100. The two ends of the upper curved track 13 are respectively fixedly connected to different square steel bars 16 provided on the car roof. The upper edge of the main body of the upper curved track 13 is fixedly connected to the square steel bars 16 on the car roof, thereby strengthening the structural strength that supports the curved door 20.

[0035] Specifically, the length of the upper arc track 13 is greater than that of the inner gear 11 . The control mechanism is a control box 30 . The control box 30 and the motor assembly 10 are fixed to the ends of other square steel bars 16 on the car roof.

[0036] Specifically, the upper pulley assembly 12 includes an upper pulley frame 121 and two upper pulleys 122 located on the left and right sides of the upper pulley frame 121. The upper pulleys 122 are respectively located on the short shafts 124 on the side plates 123 on the left and right sides of the upper pulley frame 121, and the upper pulleys 122 slide on the upper arc track 13.

[0037] Specifically, the upper part of the upper pulley frame 121 is a horizontal fixing plate 125 extending inward, and the lower part of the upper pulley frame 121 is a fixing column 126 protruding outward. The horizontal fixing plate 125 is fixedly connected to the two screw holes 111 on the upper side of the internal gear 11 by two screws (not shown in the figure). The fixing column 126 is inserted into the fixing hole (not shown in the figure) near the upper edge of the arc door 20, and then locked with a screw 21, a washer 22 and a nut 23.

[0038] Specifically, the lower pulley assembly 14 includes an inner clip 141, an outer clip 142, and a lower pulley 143. The outer clip 142 has an inward bend 144 at its center. The lower pulley 143 is secured to the inward bend 144 via the upper end of the short shaft 124. The inner clip 141 and the outer clip 142 are respectively attached to the inner and outer sides of the curved door 20 and fixed to the fixing holes 24 at the lower edge of the curved door 20 via two screws 21. The fixing holes 24 of the inner clip 141 are threaded or fastened with nuts (not shown). The lower pulley 143 is embedded in the lower curved track 15 on the car floor.

[0039] Specifically, the limit mechanism includes a door closing state switch 40 , a door closing limit switch 41 and a door opening limit switch 42 , which are electrically connected to the control box 30 , respectively.

[0040] Specifically, the contact piece 401 of the door closing state switch 40 touches one side of the horizontal fixed plate 125 of the upper pulley frame 121 near the front of the door closing (i.e., the door closing state switch touch point 400), the contact piece 401 of the door closing limit switch 41 touches one side of the lower part of the upper pulley frame 121 near the front of the door closing (i.e., the door closing limit switch touch point 410), and the contact piece 401 of the door opening limit switch 42 touches one side of the lower part of the upper pulley frame 121 near the front of the door opening (i.e., the door opening limit switch touch point 420).

[0041] The circular car 100 of this embodiment includes four car columns 1, a car top assembly 2 fixedly connected to the upper ends of the four car columns 1, and a car bottom assembly 3 fixedly connected to the lower ends of the four car columns 1. The car top assembly 2 mainly includes a dome plate 3 and a plurality of square steel bars 16 arranged on the diameter of the dome plate 3. There are two groups of main square steel bars 4, each group of main square steel bars 4 is composed of two square steel bars 16. The two ends of the main square steel bars 4 are respectively fixedly connected to the upper ends of the four car columns 1.

[0042] This solution presupposes two identical door structures, with the curved doors of these two structures positioned opposite each other. The drawings in this specification only depict the drive mechanism and position limiting mechanism of one door structure. The control box 30 of this solution is prior art and will not be described in detail here. The motor assembly 10 is also prior art and will not be described in detail here.

[0043] In summary, the technical solution of the present invention has the following beneficial effects:

[0044] The curved elevator's door opening and closing structure of this solution is pre-set with two identical sets of door opening and closing structures based on user needs. This not only solves the problems of the circular car's aesthetics, novelty, and easy door opening and closing, but also facilitates the user's ability to open the door in different directions on each floor, making this solution suitable for a variety of residential or commercial building applications, increasing the market share of curved elevators and gaining popularity among users. This solution uses a control mechanism, drive mechanism, and upper curved track installed on the square steel bars on the car roof. The upper pulley assembly lifts the upper part of the curved door and slides it along the upper curved track, ensuring structural strength and flexible door opening and closing. The limiting mechanism of this solution improves the safety of the curved elevator. In short, this solution has a reasonable and rigorous structure, an exquisite and novel appearance, flexible use, good compatibility, safety and reliability, and improves the market competitiveness of curved elevators.

[0045] The above-described embodiments do not constitute a limitation on the scope of protection of this technical solution. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the above-described embodiments shall be included in the scope of protection of this technical solution.

Claims

1. A curved elevator door opening and closing structure, provided in a circular elevator car, characterized in that: The camshaft is connected to the control mechanism, and the camshaft is connected to the control mechanism. The camshaft is connected to the control mechanism, and the control mechanism and the drive mechanism are arranged on the roof of the circular car. The drive mechanism includes a motor assembly and an internal gear meshed with the motor assembly. The sliding mechanism includes an upper pulley assembly arranged on the outside of the internal gear and an upper arc track arranged on the periphery of the internal gear and for the upper pulley assembly to slide. It also includes a lower pulley assembly arranged on the lower side of the arc door and a lower arc track provided on the car floor of the circular car for the sliding of the lower pulley assembly. The upper pulley assembly is connected to the upper side of the arc door, and there are at least two upper pulley assemblies and at least one lower pulley assembly. The internal gear is a section of a circular internal gear.

2. The curved elevator door opening and closing structure according to claim 1, characterized in that: The motor assembly includes a motor, a gearbox connected to the motor main shaft, and a driving gear arranged outside the gearbox, and the driving gear matches and meshes with the internal gear.

3. The curved elevator door opening and closing structure according to claim 2, characterized in that: One end of the upper arc track is located on the circumference of the car top of the circular car, and the other end of the upper arc track is located near the circumference of the car top of the circular car. The two ends of the upper arc track are respectively fixedly connected to different square steel bars arranged on the car top.

4. The curved elevator door opening and closing structure according to claim 3, characterized in that: The length of the upper arc-shaped track is greater than the length of the internal gear. The control mechanism is a control box. The control box and the motor assembly are fixed to the ends of other square steel bars on the car roof.

5. The curved elevator door opening and closing structure according to claim 4, characterized in that: The upper pulley assembly includes an upper pulley frame and two upper pulleys arranged on the left and right sides of the upper pulley frame.

6. The curved elevator door opening and closing structure according to claim 5, characterized in that: The upper pulleys are respectively arranged on the short shafts on the side plates on the left and right sides of the upper pulley frame, and the upper pulleys slide on the upper arc track.

7. The curved elevator door opening and closing structure according to claim 6, characterized in that: The upper part of the upper pulley frame is a horizontal fixing plate extending inward, and the lower part of the upper pulley frame is a fixing column protruding outward. The horizontal fixing plate is fixedly connected to the two screw holes on the upper side of the internal gear by two screws. The fixing column is inserted into the fixing hole near the upper edge of the arc door and then locked with screws, washers and nuts.

8. The curved elevator door opening and closing structure according to claim 7, characterized in that: The lower pulley assembly includes an inner clip, an outer clip, and a lower pulley. The middle part of the outer clip is provided with an inward bend, and the lower pulley is fixed to the inward bend through the upper end of the short shaft. The inner clip and the outer clip are respectively attached to the inner and outer sides of the arc door, and are fixedly connected to the fixing holes at the lower edge of the arc door by two screws. The lower pulley is embedded in the lower arc track on the car floor.

9. The curved elevator door opening and closing structure according to claim 8, characterized in that: The limit mechanism includes a door closing state switch, a door closing limit switch and a door opening limit switch which are electrically connected to the control box respectively.

10. The curved elevator door opening and closing structure according to claim 9, characterized in that: The contact piece of the door closing state switch touches one side of the horizontal fixed plate of the upper pulley frame near the front of the door closing, the contact piece of the door closing limit switch touches one side of the lower part of the upper pulley frame near the front of the door closing, and the contact piece of the door opening limit switch touches one side of the lower part of the upper pulley frame near the front of the door opening.

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