CN215666434U

CN215666434U - Mechanical protector for elevator door

Info

Publication number: CN215666434U
Application number: CN202121131576.3U
Authority: CN
Inventors: 王丹; 杨林
Original assignee: Dalian Vocational and Technical College
Current assignee: Dalian Vocational and Technical College
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-01-28
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a mechanical protection device for an elevator door, relates to the technical field of elevator maintenance auxiliary equipment, and particularly relates to a mechanical protection device for the elevator door during maintenance. The utility model comprises the following steps: the device comprises a support steel part, a driving motor, a support frame structure and a transmission device; two ends of the supporting frame structure are respectively provided with a supporting steel piece; a driving motor is arranged on one side inside the supporting frame structure; a transmission device is arranged inside the supporting frame structure; the input end of the transmission device is connected with the driving motor, and the output end of the transmission device is connected with the supporting steel piece; the forward and reverse rotation of the driving motor drives the transmission device to drive the supporting steel piece to extend outwards or contract inwards. The technical scheme of the utility model solves the problem that the life of maintainers is seriously threatened because the elevator door is automatically closed during the maintenance of the elevator in the prior art.

Description

Mechanical protector for elevator door

Technical Field

The utility model discloses a mechanical protection device for an elevator door, relates to the technical field of elevator maintenance auxiliary equipment, and particularly relates to a mechanical protection device for the elevator door during maintenance.

Background

At present, people know that the elevator is arranged in a large public place or a residential high-rise community at present, people can conveniently go out, particularly, the floor exceeds more than six floors, the elevator is indispensable, otherwise, people can not conveniently go out in daily life, people can spend a long time going upstairs and downstairs, and people can conveniently go out and save physical strength just due to the elevator.

Current elevator is when overhauing, and the staff is opened elevator door plant (2) usually, but in case elevator door plant (2) break down, takes place automatic closed state, so causes serious threat to maintainer's life to prevent in case set up the support piece of steel construction among the prior art and crowd elevator door plant (2) each other, avoid the emergence of above-mentioned condition, but because elevator door plant (2) door opening size is inconsistent, cause that the support piece of uniform length can't be general.

In view of the problems in the prior art, it is necessary to develop a novel mechanical protection device for elevator doors to overcome the problems in the prior art.

Disclosure of Invention

According to the technical problem that the elevator door is automatically closed when the elevator is overhauled, which is provided by the prior art, the life of an overhaul personnel is seriously threatened, and the elevator door mechanical protection device is provided. The adjustable support mechanism is mainly used for supporting the elevator door plate of the elevator shaft, so that the problem that the existing mechanical support protection device for the door opening of the elevator door plate cannot support the elevator openings with different sizes due to fixed length is solved.

The technical means adopted by the utility model are as follows:

an elevator door mechanical protection device comprising: the device comprises a support steel part, a driving motor, a support frame structure and a transmission device;

furthermore, two ends of the supporting frame structure are respectively provided with a supporting steel piece;

furthermore, a driving motor is arranged on one side inside the supporting frame structure;

furthermore, a transmission device is arranged inside the supporting frame structure;

furthermore, the input end of the transmission device is connected with the driving motor, and the output end of the transmission device is connected with the supporting steel piece;

further, the forward and reverse rotation of the driving motor drives the transmission device to drive the supporting steel piece to extend outwards or contract inwards.

Further, the support frame structure includes: the fixing frame, the connecting spring, the sliding rod and the connecting plate;

furthermore, two fixing frames are provided, and a connecting spring is respectively arranged in each fixing frame;

furthermore, two ends of the connecting spring are respectively provided with a sliding rod;

furthermore, one end of the sliding rod is lower than the connecting spring, and the other end of the sliding rod is fixedly connected with the supporting steel piece;

furthermore, two connecting plates are horizontally arranged between the two fixing frames.

Further, the transmission device includes: the device comprises a sleeve, a threaded rod, a driving motor, meshing bevel gears, a bearing sleeve, a rotating rod and rotating bevel gears;

furthermore, two sleeves are symmetrically arranged in the middle of the connecting plate through bearing sleeves respectively;

furthermore, the opposite ends of the two sleeves are respectively provided with a meshing bevel gear;

furthermore, one end of the threaded rod is arranged in the sleeve through threads, and the other end of the threaded rod is fixedly connected with the support steel part in a 90-degree manner;

further, the driving motor is fixedly arranged on the inner side of the fixing frame;

furthermore, the output end of the driving motor is provided with a rotating bevel gear through a rotating rod;

further, the rotating bevel gear meshes with two meshing bevel gears.

Furthermore, the supporting steel piece is of a U-shaped structure, the bottom of the outer side of the U-shaped structure is connected with the sliding rod, and an elastic anti-skid pad is arranged in the U-shaped opening; the U-shaped opening of the supporting steel piece is clamped between the elevator shaft and the elevator door plate, and the elastic anti-slip mat is arranged to prevent the elevator shaft and the elevator door from slipping to cause support failure.

Furthermore, a stop ring is arranged at the contact end of the sliding rod and the connecting spring to prevent the spring from slipping.

The working principle of the utility model is as follows:

clamping one side of a support steel part on an elevator hole, then controlling a driving motor, rotating bevel teeth to enable meshing bevel teeth on two sides to rotate simultaneously to drive sleeves at two ends to rotate, pushing threaded rods on two sides to slide reversely by internal thread thrust, and accordingly pushing the two support steel parts to be far away, enabling the support steel part on the other side to be clamped on the elevator hole on the other side, and supporting an elevator shaft and an elevator door plate;

on the contrary, the driving motor is controlled reversely, all the structures act reversely, the folding of the supporting steel piece is realized, and the support to the elevator shaft and the elevator door is released.

Compared with the prior art, the utility model has the following advantages:

1. according to the mechanical elevator door protection device, the supporting steel piece is arranged, so that an elevator opening can be effectively supported, the elevator door plate is prevented from moving, the supporting steel piece can be flexibly adjusted to support elevator openings with different sizes, the device is higher in applicability and more stable in supporting;

2. according to the mechanical elevator door protection device provided by the utility model, the elastic anti-slip pad is arranged on the support steel piece and is attached to the inner wall of the elevator opening, so that the support steel piece can more stably support the door opening, and the safety and stability of the device are improved.

In conclusion, the technical scheme of the utility model solves the problem that in the prior art, the life of maintainers is seriously threatened because the elevator door is automatically closed during elevator maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic view of the present invention in use.

In the figure: 1. the elevator comprises an elevator shaft 2, an elevator door plate 3, an elastic non-slip mat 4, a fixed frame 5, a supporting steel part 6, an elevator car 7, a connecting spring 8, a sleeve 9, a threaded rod 10, a sliding rod 11, a baffle ring 12, a driving motor 13, a connecting plate 14, meshing bevel teeth 15, a bearing sleeve 16, a rotating rod 17 and rotating bevel teeth.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in the figures, the present invention provides an elevator door mechanical protection device comprising: a support steel member 5, a drive motor 12, a support frame structure and a transmission device; two ends of the supporting frame structure are respectively provided with a supporting steel piece 5; a driving motor 12 is arranged at one side inside the supporting frame structure; a transmission device is arranged inside the supporting frame structure; the input end of the transmission device is connected with the driving motor 12, and the output end of the transmission device is connected with the supporting steel piece 5; the forward and reverse rotation of the driving motor 12 drives the transmission device to drive the supporting steel piece 5 to stretch outwards or contract inwards.

The support frame structure includes: the fixing frame 4, the connecting spring 7, the sliding rod 10 and the connecting plate 13; the number of the fixed frames 4 is two, and a connecting spring 7 is respectively arranged in the fixed frames; two ends of the connecting spring 7 are respectively provided with a sliding rod 10; one end of the sliding rod 10 is lower than the connecting spring 7, and the other end is fixedly connected with the supporting steel piece 5; two connecting plates 13 are horizontally arranged between the two fixing frames 4.

The transmission device comprises: the device comprises a sleeve 8, a threaded rod 9, a driving motor 12, meshing bevel teeth 14, a bearing sleeve 15, a rotating rod 16 and rotating bevel teeth 17; two sleeves 8 are symmetrically arranged in the middle of the connecting plate 13 through bearing sleeves 15 respectively; the opposite ends of the two sleeves 18 are respectively provided with an engaging conical tooth 14; one end of the threaded rod 9 is arranged in the sleeve 18 through threads, and the other end of the threaded rod is fixedly connected with the support steel part 5 in a 90-degree manner; the driving motor 12 is fixedly arranged at the inner side of the fixed frame 4; the output end of the driving motor 12 is provided with a rotating bevel gear 17 through a rotating rod 16; the rotary bevel gear 17 meshes with the two meshing bevel gears 14.

The supporting steel piece 5 is of a U-shaped structure, the bottom of the outer side of the U-shaped structure is connected with the sliding rod 10, and an elastic anti-slip pad 3 is arranged in the U-shaped opening; the U-shaped opening of the support steel 5 is engaged between the elevator 1 and the elevator door panel 2.

A stopper ring 11 is provided on the contact end of the slide rod 10 with the connecting spring 7.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A mechanical protection device for an elevator door is characterized by comprising: the device comprises a supporting steel piece (5), a driving motor (12), a supporting frame structure and a transmission device;

two ends of the supporting frame structure are respectively provided with a supporting steel piece (5);

a driving motor (12) is arranged on one side inside the supporting frame structure;

a transmission device is arranged in the supporting frame structure;

the input end of the transmission device is connected with the driving motor (12), and the output end of the transmission device is connected with the supporting steel piece (5);

the driving motor (12) rotates positively and negatively to drive the transmission device to drive the supporting steel piece (5) to extend outwards or contract inwards.

2. The mechanical elevator door protection device of claim 1, wherein said support frame structure comprises: a fixed frame (4), a connecting spring (7), a sliding rod (10) and a connecting plate (13);

the number of the fixed frames (4) is two, and a connecting spring (7) is respectively arranged in each fixed frame;

two ends of the connecting spring (7) are respectively provided with a sliding rod (10);

one end of the sliding rod (10) is lower than the connecting spring (7), and the other end of the sliding rod is fixedly connected with the supporting steel piece (5);

two connecting plates (13) are horizontally arranged between the two fixing frames (4).

3. The mechanical protection device for elevator doors according to claim 1, characterized in that said transmission means comprises: the device comprises a sleeve (8), a threaded rod (9), a driving motor (12), meshing bevel teeth (14), a bearing sleeve (15), a rotating rod (16) and rotating bevel teeth (17);

the two sleeves (8) are symmetrically arranged in the middle of the connecting plate (13) through bearing sleeves (15);

the opposite ends of the two sleeves (8) are respectively provided with an engaging bevel gear (14);

one end of the threaded rod (9) is arranged in the sleeve (8) through threads, and the other end of the threaded rod is fixedly connected with the support steel part (5) at an angle of 90 degrees;

the driving motor (12) is fixedly arranged on the inner side of the fixed frame (4);

the output end of the driving motor (12) is provided with a rotating bevel gear (17) through a rotating rod (16);

the rotating bevel gear (17) is meshed with the two meshing bevel gears (14).

4. The mechanical protection device for elevator doors according to claim 2, characterized in that said supporting steel member (5) is of a U-shaped structure, the bottom of the outside of the U-shaped structure is connected with the sliding rod (10), and the inside of the U-shaped opening is provided with an elastic anti-slip mat (3); the U-shaped opening of the supporting steel piece (5) is clamped between the elevator shaft (1) and the elevator door panel (2).

5. Mechanical protection device for elevator doors according to claim 2, characterized in that the contact end of the sliding rod (10) with the connecting spring (7) is provided with a stop ring (11).