Elevator with eccentric wheel for adjusting door slot gap

Abstract

The utility model relates to the technical field of elevators. An elevator with an eccentric wheel for adjusting a door slot gap comprises a fixing base, the fixing base is installed on a lift car or a floor door frame base, a door slot plate is arranged on the fixing base, and the door slot plate partially extends out of a fixing plate and is located at a gap between an elevator door and a door frame. An eccentric distance adjusting device is arranged behind the door slot plate, an eccentric wheel is arranged in the eccentric distance adjusting device and abuts against the rear end of the door slot plate, and the length of the telescopic part in the gap is linked by rotating the angle of the eccentric wheel. The gap adjusting device is simple in structure, convenient to operate and capable of adjusting the gap quickly and accurately, and safety of passengers when the passengers enter and exit from an elevator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to elevator door clearance adjustment. Background Art

[0002] With the acceleration of urbanization, the number of high-rise buildings is increasing. As a vertical transportation tool, the safety and comfort of elevators are attracting more and more attention. As an important part of the elevator, the installation and adjustment accuracy of the elevator door directly affects the normal operation and safety of the elevator. The traditional elevator door adjustment method often relies on complex mechanical structures and cumbersome adjustment steps, which not only has low installation efficiency, but also makes it difficult to ensure the adjustment accuracy. Therefore, it is of great practical significance and application value to develop a device that can conveniently, quickly and accurately adjust the gap between the elevator door and the door frame. Utility Model Content

[0003] The utility model aims to provide an elevator with an eccentric wheel for adjusting the door gap, so as to solve the above technical problems.

[0004] The technical problem solved by the present invention can be achieved by adopting the following technical solutions:

[0005] The elevator with an eccentric wheel for adjusting the door gap comprises a floor door frame base and an elevator door suspended and moved on a car guide rail, wherein a gap is provided between the floor door frame and the elevator door, which is called the door gap, and a fixing seat, wherein the fixing seat comprises a plane plate, which is arranged horizontally, and the plane plate is provided with at least two rounded straight groove through holes in the direction of the door gap, and the fixing seat is fixedly connected to one of the car or the floor door frame base; a door gap plate is also provided on the plane plate of the fixing seat, and the door gap plate comprises a rectangular flat plate, and a mounting hole is provided on the door gap plate. The door seam plate and the fixing seat are connected and fixed with bolts and nuts through the mounting holes of the door seam plate and the rounded straight groove through holes of the fixing seat; the front side of the door seam plate faces the gap between the doors and partially extends out of the fixing seat, and the extended part is called the telescopic part. The rear side of the door seam plate is also connected to an eccentric distance adjusting device, which includes an eccentric wheel with eccentric characteristics. The side surface of the eccentric wheel is buckled on the rear side of the door seam plate. The rotation angle of the eccentric wheel is different, and the radial length of the central axis and the eccentric wheel buckling the door seam plate is different, thereby rotating the angle of the eccentric wheel to link the length of the telescopic part of the door seam plate.

[0006] In the utility model, the fixing seat is connected to the bottom of the car or the base of the floor door frame, and the function of the fixing seat is to place the door gap plate. When the fixing seat is connected to the bottom of the car, the door gap plate is located below the elevator door; when the fixing seat is connected to the base of the floor door frame, the door gap plate is located below the door frame sliding door. The door gap plate is connected to the fixing seat by bolts and nuts through the rounded straight groove through hole on the fixing seat, and the door gap plate can be extended and retracted in a small range along the rounded straight groove through hole toward the gap between the doors, so as to adjust and reduce the gap between the elevator door and the floor door frame, and ensure the safety of people when getting on and off the elevator.

[0007] An eccentric distance adjusting device for adjusting the telescopic length of the door seam plate is provided behind the side of the door seam plate facing away from the door gap. The core of the eccentric distance adjusting device is an eccentric wheel with eccentric characteristics. The rear side of the door seam plate is in contact with the side of the eccentric wheel. When the eccentric wheel rotates, the radial length of the central axis is different, and then the telescopic length of the door seam plate is adjusted by rotating the eccentric wheel, thereby realizing fast and precise adjustment of the door gap.

[0008] In the utility model, if the verticality range of the door frames on each floor is controlled with high accuracy, the design can be installed on the car to achieve docking with the gaps between the door frames on each floor, saving installation costs; otherwise, the design must be installed on the base of the door frames on each floor, and the gap between the door frames on each floor and the elevator door must be adjusted separately to fill the gap error caused by the floor construction accuracy.

[0009] Furthermore, the flat plate of the fixing seat is provided with a flange on the side away from the door gap, and a mounting hole is provided on the flange. The fixing seat is connected to one of the car or floor door frame bases through the mounting hole on the flange; the fixing seat is made of one of 304 stainless steel or 316 stainless steel; the thickness of the fixing seat is 3 to 8 mm.

[0010] In the utility model, the fixing seat can be fixed on the vertical surface of the floor and the vertical surface of the car by means of flanges, and has the characteristics of simple and reliable structure. The fixing seat is made of stainless steel material, which has the characteristics of high strength and corrosion resistance. It can bear the stepping force when passengers enter and exit the elevator, and ensure the safety of passengers when entering and exiting.

[0011] Furthermore, the door seam plate is made of aluminum alloy profile 6061, an anti-slip groove is longitudinally arranged on the upper end surface, and a mounting hole is arranged on the lower end surface.

[0012] The door seam plate is located in the gap between the elevator door and the floor door frame. The upper end surface is provided with an anti-slip groove to ensure that passengers will not slip when stepping on the door seam plate when entering and exiting the elevator, thus ensuring the safety of passengers when entering and exiting. The door seam plate is made of aluminum alloy profile 6061, which has medium strength and can meet the needs of passengers stepping on it. It is also extremely light in weight. At the same time, the material is easy to polish, easy to color film, and has excellent oxidation effect, which can play a decorative effect.

[0013] Furthermore, the eccentric distance adjusting device includes at least two eccentric wheels, an adjusting column which can adjust the eccentric wheel to rotate along the eccentric axis is arranged at the upper end of the eccentric wheel, and a bolt rod is arranged at the lower end of the eccentric wheel along the axial direction; it also includes an adjusting rod, the adjusting rod includes a sleeve hole arranged on the adjusting column, a sleeve hole seat on which the sleeve hole is arranged, and a connecting rod connecting the sleeve hole seat; a through hole is arranged on the fixed seat, and the mounting bolt of the eccentric wheel is rotatably connected to the fixed seat through the through hole; the sleeve hole on the adjusting rod is rotatably connected to the adjusting column in turn, and the rotation angle of the eccentric wheel can be adjusted in linkage through the adjusting rod.

[0014] In the utility model, at least two eccentric wheels are used in the eccentric distance adjusting device to realize smooth adjustment of the door gap plate to expand and contract toward the door gap as a whole. If the size of the elevator is large and the length of the door gap plate is increased, it can be considered to add an eccentric wheel.

[0015] The upper end surface of the eccentric wheel is provided with a column called an adjustment column. There is a certain distance between the column and the central axis, and the eccentric wheel can be rotated around the central axis through the column. The lower end of the eccentric wheel is provided with a rotating shaft along the central axis. The end of the rotating shaft is provided with a thread, and a nut can be installed. Before the nut is tightened, the eccentric wheel can rotate around the rotating shaft by an angle.

[0016] The function of the adjusting rod is to connect the adjusting columns of each eccentric wheel, drive all the eccentric wheels to rotate synchronously, and then push out or retract the door gap plate. The door gap plate is used to reduce the gap between the elevator door and the floor door frame after the elevator door is opened, ensuring the safety of passengers entering and exiting.

[0017] After the adjusting rod has adjusted the eccentric angle, lock the nut at the lower end of the eccentric to prevent the eccentric from rotating and changing to adjust the gap.

[0018] Furthermore, the eccentric wheel is made of aluminum alloy 6061-T651, and the thickness of the eccentric wheel is 5 to 15 mm.

[0019] The function of the eccentric wheel itself is to adjust the expansion and contraction part of the door seam plate. It does not need to bear weight and is made of aluminum alloy material, which can reduce weight and save costs. In addition, aluminum alloy material is corrosion-resistant.

[0020] The utility model utilizes the eccentric principle of the eccentric wheel, and adjusts the telescopic part of the door gap plate to fill the gap between the elevator door and the door frame by rotating the rotation angle of the eccentric wheel, thereby ensuring the safety of passengers when entering and exiting the elevator. The utility model also has the following beneficial effects: firstly, the eccentric wheel is used to adjust the gap between the doors, which has a simple structure and convenient operation; secondly, the gap is adjusted quickly and with high adjustment accuracy, and it can be applied to elevators of different sizes and structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0022] Figure 1 It is a schematic diagram of the installation of the utility model at the door frame and the elevator door;

[0023] Figure 2 This is the installation diagram between the fixing base and the door seam plate;

[0024] Figure 3 It is a top view of the installation partial section between the fixing seat and the door seam plate;

[0025] Figure 4 It is a partial cross-sectional bottom view of the installation between the fixing seat and the door seam plate;

[0026] Figure 5 It is a schematic diagram of the eccentric wheel;

[0027] Figure 6 It is a partial schematic diagram of the adjustment rod;

[0028] Figure 7 It is a schematic diagram of the adjustment distance at different angles of the eccentric wheel.

[0029] Explanation of symbols:

[0030] 1. Floor door frame; 2. Elevator door; 3. Fixed seat; 4. Door seam plate; 5. Eccentric wheel; 6. Adjustment rod; 7. Nut; 50. Adjustment column; 51. Bolt rod; 60. Socket hole; 61. Socket hole seat; 62. Connecting rod. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purposes, features and advantages of the present invention more understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0034] Secondly, the "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that can be included in at least one implementation of the utility model. The "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0035] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, an elevator with an eccentric wheel for adjusting the door gap comprises a floor door frame base and an elevator door 2 suspended and moved on a car guide rail, wherein a gap is provided between the floor door frame 1 and the elevator door 2, which is called the door gap, and further comprises a fixing seat 3, wherein the fixing seat 3 comprises a plane plate, which is arranged horizontally, and the plane plate is provided with at least two rounded straight groove through holes in the direction of the door gap, and the fixing seat 3 is fixedly connected to one of the car or the floor door frame base; a door gap plate 4 is also provided on the plane plate of the fixing seat 3, and the door gap plate 4 comprises a rectangular flat plate, and a mounting hole is provided on the door gap plate 4, through which The door seam plate 4 and the fixing seat 3 are connected and fixed with bolts and nuts 7 through the mounting holes of the door seam plate 4 and the rounded straight groove through holes of the fixing seat 3; the front side of the door seam plate 4 faces the gap between the doors and partially extends out of the fixing seat 3, and the extended part is called the telescopic part. The rear side of the door seam plate 4 is also connected with an eccentric distance adjusting device, which includes an eccentric wheel 5 with eccentric characteristics. The side of the eccentric wheel 5 is buckled on the rear side of the door seam plate 4. The rotation angle of the eccentric wheel 5 is different, and the radial length of the central axis and the eccentric wheel 5 buckling the door seam plate 4 is different, so the rotating angle of the eccentric wheel 5 links the length of the telescopic part of the door seam plate 4.

[0036] In this embodiment, the fixing seat 3 is connected to the bottom of the car or the base of the floor door frame, and the function of the fixing seat 3 is to place the door gap plate 4. When the fixing seat 3 is connected to the bottom of the car, the door gap plate 4 is located below the elevator door 2; when the fixing seat 3 is connected to the base of the floor door frame, the door gap plate 4 is located below the door frame sliding door. The door gap plate 4 is connected to the fixing seat 3 by bolts and nuts through the rounded straight groove through hole on the fixing seat 3. The door gap plate 4 can be extended and retracted in a small range along the rounded straight groove through hole toward the gap between the doors, so as to adjust and reduce the gap between the elevator door 2 and the floor door frame 1, and ensure the safety of people when getting on and off the elevator.

[0037] An eccentric distance adjusting device for adjusting the telescopic length of the door seam plate 4 is provided on the rear side of the door seam plate 4 away from the door gap. Figure 7 As shown, the core of the eccentric distance adjusting device is an eccentric wheel 5 with eccentric characteristics. The rear side of the door gap plate 4 is buckled and in contact with the side of the eccentric wheel 5. When the eccentric wheel 5 rotates, the radial length of the central axis is different. Figure 7 The upper part shows the minimum stroke. Figure 7 The maximum stroke is shown below, and the telescopic length of the door gap plate 4 can be adjusted by rotating the eccentric wheel 5, so as to achieve rapid and accurate adjustment of the gap between the doors.

[0038] In this embodiment, if the verticality range of the door frames on each floor is controlled with high accuracy, this design can be installed on the car to achieve docking with the gaps between the door frames 1 on each floor, saving installation costs; otherwise, this design must be installed on the base of the door frames 1 on each floor, and the gap between the door frames and the elevator doors 2 on each floor must be adjusted separately to fill the gap error caused by the floor construction accuracy.

[0039] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the flat plate of the fixing seat 3 is provided with a flange on the side away from the gap between the doors, and a mounting hole is provided on the flange. The fixing seat 3 is connected to one of the car or floor door frame bases through the mounting holes on the flange; the fixing seat 3 is made of one of 304 stainless steel or 316 stainless steel; the thickness of the fixing seat 3 is 3 to 8 mm.

[0040] In this embodiment, the fixing seat 3 can be fixed on the vertical surface of the floor and the vertical surface of the car by means of flanges, and has the characteristics of simple and reliable structure. The fixing seat 3 is made of stainless steel material, which has the characteristics of high strength and corrosion resistance. It can bear the stepping force when passengers enter and exit the elevator, and ensure the safety of passengers when entering and exiting.

[0041] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the door seam plate 4 is made of aluminum alloy profile 6061, an anti-slip groove is arranged on the upper end surface along the longitudinal direction, and a mounting hole is arranged on the lower end surface.

[0042] The door seam plate 4 is located at the gap between the elevator door 2 and the floor door frame 1, and an anti-slip groove is arranged on the upper end surface to ensure that passengers will not slip when stepping on the door seam plate 4 when entering and exiting the elevator, thereby ensuring the safety of passengers when entering and exiting. The door seam plate 4 is made of aluminum alloy profile 6061, which has medium strength and can meet the needs of passengers stepping on it. At the same time, it has extremely light weight. At the same time, the material is easy to polish, easy to color film, and has excellent oxidation effect, which can play a decorative effect.

[0043] Reference Figure 5 , Figure 6 As shown, the eccentric distance adjusting device includes at least two eccentric wheels 5, an adjusting column 50 for adjusting the eccentric wheel 5 to rotate along the eccentric axis is arranged at the upper end of the eccentric wheel 5, and a bolt rod 51 is arranged at the lower end of the eccentric wheel 5 along the axial direction; it also includes an adjusting rod 6, the adjusting rod 6 includes a sleeve hole 60 sleeved on the adjusting column 50, a sleeve hole seat 61 for setting the sleeve hole 60, and a connecting rod 62 connecting the sleeve hole seat 61; a through hole is arranged on the fixing seat 3, and the mounting bolt of the eccentric wheel 5 is rotatably connected to the fixing seat 3 through the through hole; the sleeve hole 60 on the adjusting rod 6 is rotatably connected to the adjusting column 50 in turn, and then the rotation angle of the eccentric wheel 5 can be adjusted in linkage through the adjusting rod 6.

[0044] In this embodiment, at least two eccentric wheels 5 are used in the eccentric distance adjusting device to achieve smooth adjustment of the door gap plate 4 to extend and retract toward the door gap as a whole. If the size of the elevator is large and the length of the door gap plate 4 is increased, it may be considered to add an eccentric wheel 5.

[0045] The upper end surface of the eccentric wheel 5 is provided with a column called an adjustment column 50, and there is a certain distance between the column and the central axis, and the eccentric wheel 5 can be rotated around the central axis through the column. The lower end of the eccentric wheel 5 is provided with a rotating shaft along the central axis, and the end of the rotating shaft is provided with a thread, and a nut 7 can be installed. Before the nut 7 is tightened, the eccentric wheel 5 can rotate around the rotating shaft by an angle.

[0046] The function of the adjusting rod 6 is to connect the adjusting columns 50 of each eccentric wheel 5, drive all the eccentric wheels 5 to rotate synchronously, and then push out or retract the door gap plate 4, and use the door gap plate 4 to reduce the gap between the elevator door 2 and the floor door frame 1 after the elevator door 2 is opened, so as to ensure the safety of passengers entering and exiting.

[0047] After the adjusting rod 6 has adjusted the angle of the eccentric wheel 5, the nut 7 at the lower end of the eccentric wheel 5 is locked to prevent the eccentric wheel 5 from rotating to change the adjusted gap.

[0048] Reference Figure 5 As shown, the eccentric wheel 5 is made of aluminum alloy 6061-T651, and the thickness of the eccentric wheel 5 is 5 to 15 mm.

[0049] The function of the eccentric wheel 5 itself is to adjust the expansion and contraction part of the door seam plate 4. It does not need to bear weight. The use of aluminum alloy material can reduce weight and save costs. In addition, the aluminum alloy material has the characteristic of corrosion resistance.

[0050] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described, ie, those features that are not relevant to the best mode of the invention or those features that are not relevant to implementing the invention.

[0051] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, the development effort will be a routine task of design, fabrication, and production without undue experimentation.

[0052] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An elevator with an eccentric wheel for adjusting the door gap comprises a floor door frame base and an elevator door suspended on a car guide rail for movement. There is a gap between the floor door frame and the elevator door, which is called the door gap. The elevator door is characterized in that: It also includes a fixing seat, which includes a flat plate, which is horizontally arranged, and the flat plate is provided with at least two rounded straight groove through holes facing the gap between the doors, and the fixing seat is fixedly connected to one of the bases of the car or the floor door frame; A door seam plate is also provided on the plane plate of the fixing seat, and the door seam plate includes a rectangular flat plate, and a mounting hole is provided on the door seam plate. The door seam plate and the fixing seat are connected and fixed by bolts and nuts through the mounting hole of the door seam plate and the rounded straight groove through hole of the fixing seat; The front side of the door seam plate faces the gap between the doors and partially extends out of the fixed seat. The extended part is called the telescopic part. The rear side of the door seam plate is also connected to an eccentric distance adjusting device. The eccentric distance adjusting device includes an eccentric wheel with eccentric characteristics. The side of the eccentric wheel is buckled on the rear side of the door seam plate. The different rotation angles of the eccentric wheel result in different radial lengths of the central axis and the eccentric wheel buckling the door seam plate, thereby rotating the angle of the eccentric wheel to link the length of the telescopic part of the door seam plate.

2. The elevator with an eccentric wheel for adjusting the door gap according to claim 1, characterized in that: The flat plate of the fixing seat is provided with a flange on the side away from the gap between the doors, and the flange is provided with a mounting hole, and the fixing seat is connected to one of the car or floor door frame base through the mounting hole on the flange; The fixing seat is made of 304 stainless steel or 316 stainless steel; The thickness of the fixing seat is 3 to 8 mm.

3. The elevator with eccentric wheel for adjusting door gap according to claim 1, characterized in that: The door seam plate is made of aluminum alloy profile 6061, an anti-slip groove is arranged on the upper end surface along the longitudinal direction, and a mounting hole is arranged on the lower end surface.

4. The elevator with an eccentric wheel for adjusting door gap according to claim 1, characterized in that: The eccentric distance adjusting device comprises at least two eccentric wheels, the upper end of the eccentric wheel is provided with an adjusting column which can adjust the eccentric wheel to rotate along the eccentric axis, and the lower end of the eccentric wheel is provided with a bolt rod along the axis direction; The utility model also comprises an adjusting rod, which comprises a sleeve hole sleeved on the adjusting column, a sleeve hole seat for setting the sleeve hole, and a connecting rod connecting the sleeve hole seat; The fixing seat is provided with a through hole, and the mounting bolt of the eccentric wheel passes through the through hole and is rotatably connected to the fixing seat; The sleeve holes on the adjusting rod are rotatably connected to the adjusting column in turn, and the rotation angle of the eccentric wheel can be adjusted in linkage through the adjusting rod.

5. The elevator with eccentric wheel for adjusting door gap according to claim 1, characterized in that: The eccentric wheel is made of aluminum alloy 6061-T651, and the thickness of the eccentric wheel is 5 to 15 mm.

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