Elevator door motor and car roof connecting assembly

Abstract

The utility model provides an elevator door motor and car roof connecting assembly which comprises an elevator body and two elevator doors, the top ends and the bottom ends of the elevator doors are provided with protrusions, sliding grooves in sliding connection with the protrusions are formed in the tops and the bottoms of the elevator doors, and the sliding grooves in the tops communicate with the outside. A driving assembly used for controlling the elevator door to move left and right is arranged at the top end of the elevator body and composed of a bearing part, a shifting mechanism and a transmission mechanism. Through the arranged driving assembly, under the action of bolts of the bearing part, the driving assembly can be fixedly installed at the top end of the elevator body and connected with the elevator doors, clamping of the two elevator doors can be controlled through a gear and rack transmission mode of the driving assembly, and compared with a traditional synchronous belt, the service life is longer; and installation and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator door machines, and in particular to an elevator door machine and car top connection component. Background Art

[0002] The elevator door machine is a mechanism responsible for opening and closing the elevator hall car door. When it receives the elevator door opening and closing signals, the elevator door machine controls the door opening motor through its own control system, converts the torque generated by the motor into a force in a specific direction, and closes or opens the door. When the force preventing the door from closing is greater than 150N, the door machine automatically stops closing the door and opens the door in the opposite direction, which plays a certain role in door closing protection.

[0003] At present, some existing elevators use synchronous belts to control the opening and closing of elevator doors. However, the belts are prone to fatigue damage under the repeated action of long-term alternating loads, resulting in a poor service life, inconvenience in installation, and low practicality.

[0004] Therefore, we make improvements to this and propose an elevator door machine and car top connection component. Summary of the invention

[0005] The purpose of the utility model is to control the opening and closing of elevator doors by synchronous belts in some existing elevators. However, the belts are prone to fatigue damage under the repeated action of long-term alternating loads, resulting in a poor service life, inconvenience in installation, and low practicality.

[0006] In order to achieve the above-mentioned purpose of the invention, the utility model provides an elevator door machine and car top connection assembly to improve the above-mentioned problem.

[0007] The specific application is as follows:

[0008] It includes an elevator body and two elevator doors, the top and bottom of the elevator doors are both protrusions, the top and bottom of the elevator doors are provided with sliding grooves slidably connected to the protrusions, and the top sliding groove is connected to the outside world, and the top of the elevator body is provided with a driving component for controlling the left and right movement of the elevator doors, and the driving component is composed of a bearing part, a shifting mechanism and a transmission mechanism.

[0009] As a preferred technical solution of the present application, the bearing part includes a bearing plate, which is located at the top of the elevator body and close to the elevator door. Bolts are inserted into the middle of both sides of the top of the bearing plate, and the bolts are threadedly connected to the elevator body.

[0010] As a preferred technical solution of the present application, the displacement mechanism consists of a first displacement part and a second displacement part.

[0011] As a preferred technical solution of the present application, the first displacement portion includes two racks, the two racks are respectively located on both sides of the top of the supporting plate, and the two racks are staggered, a dovetail slider is fixed to one side of the bottom end of the rack, and a dovetail groove matching the dovetail slider is opened at the top of the supporting plate.

[0012] As a preferred technical solution of the present application, the second displacement portion includes two limit columns, the bottom ends of the two limit columns are respectively engaged with the two protrusions on the top of the elevator door, and the top ends of the two limit columns are respectively fixed with an L-shaped rod and a connecting rod, one end of the L-shaped rod is fixedly connected to a rack away from the elevator door, and the connecting rod is fixedly connected to another rack, and the rack is located inside the L-shaped rod.

[0013] As a preferred technical solution of the present application, the transmission mechanism consists of a first transmission part, a second transmission part and a third transmission part.

[0014] As a preferred technical solution of the present application, the first transmission part includes a first gear, which is arranged in the middle of the top of the supporting plate, and the two racks are meshed and connected with the first gear. A first rotating shaft is fixed in the middle of the first gear, and the first rotating shaft is rotatably connected to the supporting plate.

[0015] As a preferred technical solution of the present application, the second transmission part includes a second gear, which is meshed and connected with the first gear and far away from the L-shaped rod. A second rotating shaft is fixed on the second gear and is rotatably connected to the supporting plate.

[0016] As a preferred technical solution of the present application, the third transmission part includes an L-shaped plate, which is fixedly mounted on one side of the second gear, a box body is fixedly provided at the top of the L-shaped plate, a box cover is engaged with the top of the box body, a stepper motor is arranged in the box body, and the middle part of the bottom end of the box cover is engaged with the top of the stepper motor, the output shaft of the stepper motor passes through the box body and is fixedly provided with a rectangular block, and the rectangular block is interlaced and connected with the second rotating shaft.

[0017] As a preferred technical solution of the present application, the third transmission part also includes an electric telescopic rod, which is fixedly mounted on the top of the L-shaped plate, and the piston rod of the electric telescopic rod passes through the box body and the box cover in sequence, and a limiting groove is provided on one side of the box cover, and a spring is fixedly provided at the bottom end of the limiting groove, and a hemispherical part is fixedly provided at the top end of the spring, and the top end of the hemispherical part contacts the piston rod, and a limiting part is provided on one side of the box body, and the top end of the limiting part penetrates into the limiting groove and passes through the spring to be fixedly connected to the bottom end of the hemispherical part, and the bottom end of the limiting part passes through the box body and is interlaced and connected with one side of the top end of the first gear.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] In the scheme of this application:

[0020] 1. In order to solve the problem that some existing elevators in the prior art use synchronous belts to control the opening and closing of elevator doors, but the belts are prone to fatigue damage under the repeated action of long-term alternating loads, and thus the service life is unsatisfactory, and it is not easy to install and has low practicality, the present application provides a drive assembly, which can be fixedly installed on the top of the elevator body under the action of the bolts of the bearing part, and connected to the elevator door. The engagement of the two elevator doors can be controlled by the gear and rack transmission of the drive assembly, which not only has a longer service life than the traditional synchronous belt, but also is easy to install and maintain;

[0021] 2. Through the transmission mechanism, the two elevator doors can be limited when they are closed to prevent passengers from opening the elevator doors in the event of a malfunction, thereby improving safety and enabling rapid operation of the stepper motor of the transmission mechanism, facilitating maintenance of the stepper motor and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of the elevator door machine and car top connection assembly provided for this application;

[0023] Figure 2 A schematic diagram of the partial structure of the elevator door machine and car top connection assembly provided in this application;

[0024] Figure 3 A schematic diagram of the partial structure of the drive assembly of the elevator door machine and the car top connection assembly provided in this application;

[0025] Figure 4 A schematic cross-sectional structure diagram of the transmission mechanism of the elevator door machine and car top connection assembly provided in this application;

[0026] Figure 5 A schematic diagram of the partial cross-sectional structure of the transmission mechanism of the elevator door machine and car top connection assembly provided in this application.

[0027] Indicated in the figure:

[0028] 1. Elevator body;

[0029] 2. Elevator door;

[0030] 3. Drive components;

[0031] 4. bearing part; 401. bearing plate; 402. bolt;

[0032] 5. Shifting mechanism; 501. rack; 502. dovetail slider; 503. limit column; 504. L-shaped rod; 505. connecting rod;

[0033] 6. Transmission mechanism; 601. First gear; 602. First rotating shaft; 603. Second gear; 604. Second rotating shaft; 605. L-shaped plate; 606. Box body; 607. Box cover; 608. Stepper motor; 609. Rectangular block; 610. Electric telescopic rod; 611. Spring; 612. Hemispherical member; 613. Limit member. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0035] As mentioned in the background art, some existing elevators use synchronous belts to control the opening and closing of elevator doors. However, the belts are prone to fatigue damage under the repeated action of long-term alternating loads, resulting in a poor service life, inconvenience in installation, and low practicality.

[0036] In order to solve this technical problem, the utility model provides an elevator door machine and car top connection component, which is applied to the elevator.

[0037] Specifically, please refer to Figure 1-5 , the elevator door machine and car top connection components specifically include:

[0038] An elevator body 1 and two elevator doors 2, the top and bottom of the elevator doors 2 are both protrusions, the top and bottom of the elevator doors 2 are provided with slide grooves slidably connected to the protrusions, and the top slide groove is communicated with the outside world, and a driving component 3 for controlling the left and right movement of the elevator door 2 is arranged at the top of the elevator body 1, and the driving component 3 is composed of a bearing part 4, a shifting mechanism 5 and a transmission mechanism 6.

[0039] The elevator door machine and car top connection assembly provided by the utility model can, through the arranged driving assembly, be fixedly mounted on the top of the elevator body and connected to the elevator door under the action of the bolts of the bearing part, and the engagement of the two elevator doors can be controlled by the gear and rack transmission of the driving assembly, which not only has a longer service life than the traditional synchronous belt, but also is easy to install and maintain.

[0040] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0041] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0042] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0043] Example 1, please refer to Figure 1-3 , an elevator door machine and car top connection component, whose bearing part 4 includes a bearing plate 401, the bearing plate 401 is located at the top of the elevator body 1 and close to the side of the elevator door 2, and bolts 402 are inserted into the middle of both sides of the top of the bearing plate 401, and the bolts 402 are threadedly connected to the elevator body 1.

[0044] Please refer to Figure 1-3 , an elevator door machine and car top connection assembly, wherein the shifting mechanism 5 is composed of a first shifting part and a second shifting part.

[0045] Embodiment 2 further optimizes the elevator door machine and car top connection assembly provided in Embodiment 1. Specifically, Figure 1-3 As shown, the first displacement portion includes two racks 501, which are respectively located on both sides of the top of the supporting plate 401, and the two racks 501 are staggered. A dovetail slider 502 is fixed to one side of the bottom end of the rack 501, and a dovetail groove matching the dovetail slider 502 is opened at the top of the supporting plate 401.

[0046] Further, such as Figure 1-3 As shown, the second displacement portion includes two limit columns 503, the bottom ends of the two limit columns 503 are respectively engaged with the two protrusions on the top of the elevator door 2, and the top ends of the two limit columns 503 are respectively fixed with an L-shaped rod 504 and a connecting rod 505, one end of the L-shaped rod 504 is fixedly connected to a rack 501 away from the elevator door 2, and the connecting rod 505 is fixedly connected to another rack 501, and the rack 501 is located inside the L-shaped rod 504.

[0047] Embodiment 3 further optimizes the elevator door machine and car top connection assembly provided in Embodiment 1 or 2. Specifically, Figure 1-5 As shown, the transmission mechanism 6 is composed of a first transmission part, a second transmission part and a third transmission part.

[0048] Further, such as Figure 1-5 As shown, the first transmission part includes a first gear 601, which is arranged in the middle of the top of the supporting plate 401, and the two racks 501 are meshed and connected with the first gear 601. A first rotating shaft 602 is fixed in the middle of the first gear 601, and the first rotating shaft 602 is rotatably connected to the supporting plate 401.

[0049] Further, such as Figure 1-5 As shown, the second transmission part includes a second gear 603 , which is meshed with the first gear 601 and away from the L-shaped rod 504 . A second rotating shaft 604 is fixed on the second gear 603 and is rotatably connected to the supporting plate 401 .

[0050] Embodiment 4: The elevator door machine and car top connection assembly provided in the above embodiments are further optimized, such as Figure 1-5 As shown, the third transmission part includes an L-shaped plate 605, which is fixedly installed on one side of the second gear 603. A box body 606 is fixedly provided on the top of the L-shaped plate 605. A box cover 607 is engaged with the top of the box body 606. A stepper motor 608 is arranged in the box body 606, and the middle part of the bottom end of the box cover 607 is engaged with the top of the stepper motor 608. The output shaft of the stepper motor 608 passes through the box body 606 and is fixedly provided with a rectangular block 609, and the rectangular block 609 is interlaced and connected with the second rotating shaft 604.

[0051] Further, such as Figure 1-5 As shown, the third transmission part also includes an electric telescopic rod 610, which is fixedly installed on the top of the L-shaped plate 605. The piston rod of the electric telescopic rod 610 passes through the box body 606 and the box cover 607 in sequence. A limiting groove is provided on one side of the box cover 607. A spring 611 is fixedly provided on the bottom end of the limiting groove. A hemispherical piece 612 is fixedly provided on the top end of the spring 611, and the top end of the hemispherical piece 612 contacts the piston rod. A limiting piece 613 is provided on one side of the box body 606. The top end of the limiting piece 613 penetrates into the limiting groove and passes through the spring 611 to be fixedly connected with the bottom end of the hemispherical piece 612. The bottom end of the limiting piece 613 passes through the box body 606 and is interlaced and connected with one side of the top end of the first gear 601.

[0052] The use process of the elevator door machine and car top connection assembly provided by the utility model is as follows:

[0053] First, the limiting column 503 is engaged with the protrusion, and then the bolt 402 is tightened to fix the bearing plate 401 on the top of the elevator body 1, so that the installation of the drive assembly 3 is realized. When the two elevator doors 2 are closed, the stepper motor 608 is controlled to work, and the output shaft of the stepper motor 608 drives the rectangular block 609 to rotate, and the rectangular block 609 drives the second rotating shaft 604 to rotate, and cooperates with the first rotating shaft 602, so that the second gear 603 drives the first gear 601 to rotate. With the rotation of the first gear 601, the dovetail slider 502 is cooperated to make the two racks 501 move, and then the L-shaped rod 504 and the connecting rod 505 respectively drive the two limiting columns 503 to move, so that the two elevator doors 2 move relative to each other, and the elevator doors 2 are closed. When closing, the electric telescopic rod 610 is controlled to work. The piston rod of the electric telescopic rod 610 moves, forcing the hemispherical member 612 to drive the limiting member 613 to move downward, the spring 611 is compressed, and the limiting member 613 moves downward to be interlaced with the first gear 601 to prevent passengers from prying open the elevator door 2, especially when the elevator body 1 fails. When the elevator door 2 is opened, the piston rod of the electric telescopic rod 610 moves to have no contact with the hemispherical member 612. Under the reset action of the spring 611, the limiting member 613 is separated from the first gear 601, so that the two elevator doors 2 can be opened. When the stepper motor 608 needs to be maintained, the electric telescopic rod 610 is controlled to work, and the piston rod of the electric telescopic rod 610 is completely moved out of the box cover 607, so that the box cover 607 can be taken out, thereby facilitating the removal of the stepper motor 608 and improving practicality.

[0054] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. An elevator door machine and car top connection assembly, characterized in that: The invention comprises an elevator body (1) and two elevator doors (2), wherein the top and bottom of the elevator doors (2) are both provided with protrusions, and the top and bottom of the elevator doors (2) are both provided with sliding grooves slidably connected to the protrusions, and the sliding groove at the top is communicated with the outside world, and a driving component (3) for controlling the left and right movement of the elevator doors (2) is arranged at the top of the elevator body (1), and the driving component (3) is composed of a bearing part (4), a shifting mechanism (5) and a transmission mechanism (6).

2. An elevator door machine and car top connection assembly according to claim 1, characterized in that: The bearing part (4) comprises a bearing plate (401), the bearing plate (401) being located at the top of the elevator body (1) and close to the elevator door (2), bolts (402) being inserted through the middle of both sides of the top of the bearing plate (401), and the bolts (402) being threadedly connected to the elevator body (1).

3. An elevator door machine and car top connection assembly according to claim 2, characterized in that: The displacement mechanism (5) consists of a first displacement part and a second displacement part.

4. The elevator door machine and car top connection assembly according to claim 3, characterized in that: The first displacement portion comprises two racks (501), the two racks (501) are respectively located on both sides of the top of the supporting plate (401), and the two racks (501) are arranged alternately, a dovetail slider (502) is fixedly provided on one side of the bottom end of the rack (501), and a dovetail groove matching the dovetail slider (502) is provided on the top of the supporting plate (401).

5. The elevator door machine and car top connection assembly according to claim 4, characterized in that: The second displacement portion comprises two limiting columns (503), the bottom ends of the two limiting columns (503) are respectively engaged with two protrusions on the top of the elevator door (2), and the top ends of the two limiting columns (503) are respectively fixed with an L-shaped rod (504) and a connecting rod (505), one end of the L-shaped rod (504) is fixedly connected to a rack (501) away from the elevator door (2), and the connecting rod (505) is fixedly connected to another rack (501), and the rack (501) is located inside the L-shaped rod (504).

6. The elevator door machine and car top connection assembly according to claim 5, characterized in that: The transmission mechanism (6) consists of a first transmission part, a second transmission part and a third transmission part.

7. An elevator door machine and car top connection assembly according to claim 6, characterized in that: The first transmission part comprises a first gear (601), the first gear (601) is arranged in the middle of the top of the supporting plate (401), and the two racks (501) are meshed and connected with the first gear (601), a first rotating shaft (602) is fixed in the middle of the first gear (601), and the first rotating shaft (602) is rotatably connected with the supporting plate (401).

8. An elevator door machine and car top connection assembly according to claim 7, characterized in that: The second transmission part comprises a second gear (603), the second gear (603) is meshedly connected with the first gear (601), and the second gear (603) is away from the L-shaped rod (504), a second rotating shaft (604) is fixedly provided on the second gear (603), and the second rotating shaft (604) is rotatably connected with the supporting plate (401).

9. The elevator door machine and car top connection assembly according to claim 8, characterized in that: The third transmission part comprises an L-shaped plate (605), wherein the L-shaped plate (605) is fixedly mounted on one side of the second gear (603), a box body (606) is fixedly mounted on the top of the L-shaped plate (605), a box cover (607) is engaged with the top of the box body (606), a stepper motor (608) is arranged inside the box body (606), and the middle part of the bottom end of the box cover (607) is engaged with the top end of the stepper motor (608), an output shaft of the stepper motor (608) passes through the box body (606) and is fixedly mounted with a rectangular block (609), and the rectangular block (609) is interlaced and connected with the second rotating shaft (604).

10. An elevator door machine and car top connection assembly according to claim 9, characterized in that: The third transmission part further comprises an electric telescopic rod (610), wherein the electric telescopic rod (610) is fixedly mounted on the top end of the L-shaped plate (605), and the piston rod of the electric telescopic rod (610) passes through the box body (606) and the box cover (607) in sequence; a limiting groove is provided on one side of the box cover (607); a spring (611) is fixedly provided at the bottom end of the limiting groove; a hemispherical member (612) is fixedly provided at the top end of the spring (611), and the top end of the hemispherical member (612) contacts the piston rod; a limiting member (613) is provided on one side of the box body (606); the top end of the limiting member (613) passes through the limiting groove and passes through the spring (611) to be fixedly connected to the bottom end of the hemispherical member (612); the bottom end of the limiting member (613) passes through the box body (606) and is interlaced and connected to one side of the top end of the first gear (601).

Images