CN218344951U

CN218344951U - Elevator layer door with additional strengthening

Info

Publication number: CN218344951U
Application number: CN202222731398.9U
Authority: CN
Inventors: 宋玉
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-20
Anticipated expiration: 2032-10-17

Abstract

The utility model belongs to the technical field of the elevator technique and specifically relates to an elevator layer door with additional strengthening is related to. Including two layer doors that set up side by side, sill guide rail sliding connection on the layer door top all AND gate, layer door bottom and sill groove sliding connection, the marginal facies that layer door is close to the car one side is fixed with the frame, the slant is provided with the strengthening rib between the frame left and right sides, two layer door the strengthening rib symmetry sets up. The utility model discloses a symmetry sets up the strengthening rib on two leaves layer doors of layer door, has improved the anti striking mechanical strength of elevator layer door, and layer door is difficult for taking place to warp when suffering the impact, avoids the incident that elevator layer door warp and arouses.

Description

Elevator layer door with additional strengthening

Technical Field

The utility model belongs to the technical field of the elevator technique and specifically relates to an elevator layer door with additional strengthening is related to.

Background

With the vigorous development of our society, elevators have become important building equipment in high-rise buildings and public places, and have silently become indispensable vertical transportation means in our lives. Elevator doors are a very important part of elevators, including landing doors fixed to each floor, which are visible from outside the elevator, and car doors fixed to the car to move with the car.

A landing door is one of the important components of an elevator door system, and is mainly used to isolate passengers from an elevator shaft, i.e., when an elevator car reaches a set floor, the landing door is opened to allow passengers to enter the passageway from the elevator car or to enter the elevator car from the passageway. According to statistics of relevant data, the rate of the layer door accidents is the highest, and the layer door accidents mainly comprise accidents such as layer door mechanical strength deformation, impact permanent deformation, impact elastic deformation, layer door separation guide devices and the like, wherein the accidents are mainly caused by the deformation of the layer door, and the layer door is difficult to close after deformation, so that the passenger protection effect is difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator layer door with additional strengthening, this elevator layer door with additional strengthening can effectively increase the anti striking mechanical strength of elevator layer door, avoids the incident that elevator layer door warp and arouses.

The utility model provides an elevator layer door with additional strengthening, including two layer doors that set up side by side, bank guide rail sliding connection on the equal AND gate in layer door top, layer door bottom and sill groove sliding connection, the edge-fixed that layer door is close to the car one side has the frame, the slant is provided with the strengthening rib between the frame left and right sides, two layer door the strengthening rib symmetry sets up.

Preferably, the two ends of the reinforcing rib are fixedly connected with the frame through laser welding.

Preferably, the ends of the two reinforcing ribs which are far away from each other are inclined upwards, and the ends which are close to each other are inclined downwards.

Preferably, the calculation formula of the distance between the upward inclined end of the reinforcing rib and the bottom end of the landing door is shown in formula 1:

the distance calculation formula between the downward inclined end of the reinforcing rib and the bottom end of the landing door is shown as a formula 2:

H ₁ the distance between the upward inclined end of the reinforcing rib and the bottom end of the landing door is set; h ₂ The distance between the downward inclined end of the reinforcing rib and the bottom end of the landing door is set; w is the width of the landing door; h ₁ 、H ₂ And W are in mm.

Preferably, the value range of the layer gate width W in the above formula is: 800-900mm.

Preferably, both sides of the bottom of the frame are fixed with sliding blocks, and the sliding blocks are connected with the sill grooves in a sliding mode.

Preferably, the material of the layer door is one of cold-rolled steel sheet, hot-rolled steel sheet, 304 stainless steel and galvanized sheet.

Preferably, the thickness of the landing door ranges from 1.0 to 3.0mm.

Preferably, the reinforcing ribs are rectangular in cross section.

Has the beneficial effects that:

the utility model discloses a symmetry sets up the strengthening rib on two leaves layer doors of layer door, has improved the anti striking mechanical strength of elevator layer door, and layer door is difficult for taking place to warp when suffering the impact, avoids the incident that elevator layer door warp and arouses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described 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 view of the overall structure of the present invention;

fig. 2 is a schematic view of the landing door structure of the present invention.

Description of the reference numerals:

1-door upper ridge, 2-layer door, 3-frame, 4-reinforcing rib, 5-sliding block and 6-floor ridge groove.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-2, an elevator landing door with a reinforcing structure comprises two landing doors 2 arranged side by side, the top ends of the landing doors 2 are connected with a guide rail of a sill 1 on the door in a sliding manner, the bottom ends of the landing doors 2 are connected with a sill groove 6 in a sliding manner, a frame 3 is fixed at the edge of one side, close to a car, of the landing door 2, sliding blocks 5 are fixed on two sides of the bottom of the frame 3, and the sliding blocks 5 are connected with the sill groove 6 in a sliding manner.

Reinforcing ribs 4 are obliquely arranged between the left side and the right side of the frame 3, and the reinforcing ribs 4 of the two-leaf layer door 2 are symmetrically arranged. Both ends of the reinforcing rib 4 are fixedly connected with the frame 3 through laser welding. The ends of the two reinforcing ribs 4 which are far away from each other are inclined upwards, and the ends which are close to each other are inclined downwards. The cross-section of strengthening rib 4 is the rectangle, and strengthening rib 4 closely laminates with layer door 2, increases the mechanical strength that strengthening rib 4 and layer door 2's contact surface can promote layer door 2.

The distance calculation formula between the upward inclined end of the reinforcing rib 4 and the bottom end of the landing door 2 is shown as formula 1:

the distance calculation formula between the downward inclined end of the reinforcing rib 4 and the bottom end of the landing door 2 is shown as formula 2:

H ₁ the distance between the upward inclined end of the reinforcing rib 4 and the bottom end of the landing door 2 is set; h ₂ The distance between the downward inclined end of the reinforcing rib 4 and the bottom end of the landing door 2 is set; w is the width of the landing door 2; h ₁ 、H ₂ And W are in mm. The value range of the width W of the landing door 2 in the above formula is: 800-900mm. The height of the landing door 2 is 2000-2300mm ₁ And H ₂ Are all less than this value.

The utility model discloses a symmetry sets up strengthening rib 4 on two leaf layer doors 2 of layer door, has improved the anti striking mechanical strength of elevator layer door, and layer door 2 is difficult for taking place to warp when suffering the impact, avoids the incident that elevator layer door 2 warp and arouses. The falling accident of the landing door 2 caused by the vertical action of the brutal force on the landing door 2 is obviously reduced, and the good prevention effect of the elevator landing door 2 is achieved.

The thickness of the layer door 2 ranges from 1.0 mm to 3.0mm. The material of the layer door 2 is one of cold-rolled steel sheet, hot-rolled steel sheet, 304 stainless steel and galvanized sheet.

Testing the strength of the landing door:

a soft pendulum bob impact device in 5.14.2.2 of GB/T7588.2-2020 is adopted to carry out mechanical strength test on the landing door 2, the soft pendulum bob impacts on the middle point of the width direction of the landing door 2, the impact point is positioned at a position (1.0 +/-0.1) m above the designed ground of the landing door 2, and the test height of the soft pendulum bob is 800mm. The tested layer door 2 is made of cold-rolled steel plates, hot-rolled steel plates, 304 stainless steel and galvanized plates. The test results are shown in table 1, where the permanent set values and the layer door thickness are in millimeters (mm).

TABLE 1

As can be seen from the table 1, the soft pendulum bob acts on the landing doors 2 with different thicknesses of different plates in the test, and the test results all reach that the permanent deformation value is not more than 1mm; when the permanent deformation value is not more than 1mm, its elastic deformation is not more than 15mm, and this has explained the utility model provides a difficult emergence of elevator layer door is out of shape, has effectively guaranteed the safety function of elevator layer door, makes the layer door 2 that causes on layer door 2 of barbaric external force vertical action drop accident can obvious reduction, has played fine guard action, great reduction the potential safety hazard of elevator. The utility model has the advantages of simple and practical mechanical structure, low in production cost, application scope is extensive.

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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides an elevator layer door with additional strengthening, its characterized in that, is including two layers of doors that set up side by side, bank guide rail sliding connection on the equal AND gate in layer door top, layer door bottom and sill groove sliding connection, the edge that layer door is close to the car one side is fixed with the frame, the slant is provided with strengthening rib, two between the frame left and right sides layer door the strengthening rib symmetry sets up.

2. The elevator landing door with the reinforcing structure of claim 1, wherein the two ends of the reinforcing ribs are fixedly connected with the side frames by laser welding.

3. The elevator landing door having a reinforcing structure according to claim 1, wherein ends of the two reinforcing ribs which are far from each other are inclined upward, and ends of the two reinforcing ribs which are near to each other are inclined downward.

4. The elevator landing door with the reinforcing structure according to claim 3, wherein the distance between the upward-inclined ends of the reinforcing bars and the bottom end of the landing door is calculated according to the formula 1:

the calculation formula of the distance between the downward inclined end of the reinforcing rib and the bottom end of the landing door is shown as a formula 2:

H ₁ the distance between the upward inclined end of the reinforcing rib and the bottom end of the landing door is set; h ₂ To said reinforcementThe distance between the downward inclined end of the rib and the bottom end of the landing door; w is the width of the landing door; h ₁ 、H ₂ And W are in mm.

5. The elevator landing door with a reinforcing structure of claim 4, wherein the landing door width W in the above formula has a value ranging from: 800-900mm.

6. The elevator landing door with the reinforcing structure of claim 1, wherein sliding blocks are fixed to both sides of the bottom of the frame and slidably connected to the sill grooves.

7. The elevator landing door with the reinforcing structure according to claim 1, wherein the landing door is made of one of cold-rolled steel sheets, hot-rolled steel sheets, 304 stainless steel and galvanized steel sheets.

8. Elevator landing door provided with a reinforcing structure according to claim 1, characterized in that the thickness of the landing door is in the range of 1.0-3.0mm.

9. The elevator landing door provided with a reinforcing structure of claim 1, wherein the reinforcing ribs are rectangular in cross section.