CN210505185U - Anti-drop's elevator layer door gear and elevator - Google Patents

Abstract

The utility model discloses an anti-drop elevator landing door device and an elevator, the anti-drop elevator landing door device comprises an upper sill bottom plate, at least one pair of hanging plates, an upper unhooking prevention part and a lower unhooking prevention part, the hanging plates are provided with an upper hanging wheel and a lower hanging wheel, the upper sill bottom plate is provided with a guide rail, the hanging plates are slidably arranged on the guide rail through the upper hanging wheel and the lower hanging wheel, and the upper unhooking prevention part comprises a connecting part used for being fixed at the upper end of the upper sill bottom plate and an anti-dropping part used for blocking the corresponding hanging plates; the lower anti-drop hook comprises a vertical installation part and a horizontal bending part, wherein the vertical installation part is used for being fixed with the lower end of the upper sill bottom plate, and the horizontal bending part is positioned at the lower end of the vertical installation part and extends towards the hanging plate; the elevator includes the anti-drop elevator landing door device. The utility model discloses an anti-drop's elevator layer door gear and elevator have installed upper and lower mousing-hook, can prevent that the link plate from deviating from the guide rail from upper end or lower extreme, and the installation is simple with low costs.

Description

Anti-drop's elevator layer door gear and elevator

Technical Field

The utility model relates to an elevator technical field, concretely relates to anti-drop's elevator layer door gear and include anti-drop's elevator layer door gear's elevator.

Background

The elevator landing door device in the prior art adopts a structure that an anti-disengaging hook is bent or riveted on an upper sill bottom plate and is matched with a hanging plate roller or a hanging plate anti-disengaging hook, but the upper end of a hanging plate is not provided with a protection measure, and when the landing door is impacted, the upper end of the hanging plate is easy to disengage from a guide rail; according to the scheme, as in patent CN201310420264.8, a hanging wheel and a roller wheel with grooves are adopted, and the hanging wheel and the roller wheel are matched with a guide rail, but the hanging wheel and the roller wheel are tightly attached to the guide rail, and if the guide rail is polluted, the door is easy to clamp or generate noise when opened and closed; some proposals are like patents CN201420832439.6 and CN201711348289.6, and adopt a structure that upper and lower anti-drop hooks are added on the hanging plate to match with the guide rail, but the hanging plate has a complex structure, is difficult to manufacture and has high cost. And above-mentioned these schemes, if need realize on the ordinary layer door gear of installation use, need change whole upper bank or link plate, waste time and energy, with high costs.

Disclosure of Invention

In view of this, in order to overcome prior art's defect, the utility model aims at providing an anti-drop elevator layer door gear can prevent that the link plate from deviating from threshold upper end or lower extreme, and link plate simple structure, upper and lower mousing-hook is stand-alone type, installs simple and conveniently with low costs.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-falling elevator landing door device comprises an upper sill bottom plate, at least one pair of hanging plates, an upper anti-falling hook and a lower anti-falling hook, wherein the upper anti-falling hook and the lower anti-falling hook are used for preventing the hanging plates from falling off from the upper sill bottom plate; lower mousing-hook including be used for with go up fixed vertical installation department of bank bottom plate lower extreme and be located vertical installation department lower extreme just moves towards the horizontal portion of bending that the link plate extends. Through setting up mousing-hook and lower mousing-hook, the link plate is followed upper end or lower extreme and is deviate from the guide rail when can preventing the layer door striking, and upper and lower mousing-hook is the stand alone type, installs simple and conveniently with low costs.

The cross section of link plate is "L" type, the link plate includes vertical portion and horizontal part, in going up peg and above-mentioned technical scheme, preferably, lower peg set up respectively in the upper end and the lower extreme of vertical portion, the horizontal part is used for installing the layer door. The hanging plate with the design has a simple structure, does not need to be bent or punched for multiple times to form the anti-disengaging hook, and is time-saving, labor-saving and low in cost.

In the above technical solution, it is further preferable that the upper anti-drop hook is a bent piece having a cross section shaped like a letter "7". Go up mousing-hook simple structure, simple to operate, and can play good anticreep effect and deviate from in order to block the link plate from the guide rail upper end.

In the above technical solution, it is further preferable that a bending opening of the bending piece faces the upper hanging wheel, that is, the anti-drop part of the upper anti-drop hook is bent toward the hanging plate, so as to further ensure the anti-drop effect of the upper anti-drop hook.

Among the above-mentioned technical scheme, preferably, vertical installation department is located a pair of between the link plate, the level portion of bending is "falling T" type, the level portion of bending extends to both sides along the horizontal direction in order to block the at least partial vertical portion of corresponding side link plate. Lower mousing-hook sets up between a pair of link plate, has vertical installation department and level portion of bending, and the level is bent the portion and is extended to both sides along the horizontal direction and block the partial vertical portion of corresponding side link plate, and when taking place the layer door striking, the level is bent the portion and is blockked the link plate of corresponding side from the outside, prevents that the link plate from deviating from the lower extreme of guide rail.

In the above technical solution, preferably, an annular limiting groove surrounding the upper change gear is provided on the rolling surface of the upper change gear, and an upper convex portion extending into the annular limiting groove is provided at the upper end of the guide rail. Because the rolling surface of the upper change gear is provided with the annular limiting groove, the upper change gear and the upper end of the guide rail are limited, and the possibility that the hanging plate is separated from the upper end of the guide rail is effectively reduced.

In the above technical solution, preferably, a gap is provided between the rolling surface of the lower change gear and the lower end of the guide rail. Therefore, the landing door is not easy to clamp and generate noise when opened and closed.

In the above technical solution, it is further preferable that the gap is 0.2 to 0.5 mm.

In the above technical solution, preferably, the upper mousing-hook is welded or connected to the upper end of the upper sill bottom plate by bolts, and the lower mousing-hook is welded or connected to the lower end of the upper sill bottom plate by bolts. The upper anti-drop hook is independently connected with the upper end of the upper sill bottom plate, and a plurality of upper anti-drop hooks can be arranged according to the opening width of the door; the lower anti-drop hook is independently connected with the lower end of the upper sill bottom plate; the upper anti-disengaging hook and the lower anti-disengaging hook which are connected independently can be mounted on a common landing door device, and the installation is simple and convenient.

The utility model also provides an elevator, including above-mentioned arbitrary technical scheme anti-drop's elevator layer door gear. The elevator is provided with the anti-falling elevator landing door device, so that the elevator can prevent the hanging plate from falling off the guide rail from the upper end or the lower end.

Compared with the prior art, the utility model discloses an useful part lies in: the utility model discloses an anti-drop's elevator layer door gear, the upper end and the lower extreme of going up the bank bottom plate are provided with mousing-hook and mousing-hook down respectively, can prevent that the link plate from deviating from the guide rail from upper end or lower extreme. The hanging plate is simple in structure, the upper anti-disengaging hook and the lower anti-disengaging hook are independent, the upper anti-disengaging hook and the lower anti-disengaging hook are adopted, the common landing door device is enabled to achieve the anti-collision and anti-falling functions, time and labor are saved, and cost is low. The utility model discloses an elevator, owing to included foretell anti-drop's elevator layer door gear, has equally and can prevent that the link plate from deviating from advantages such as guide rail from upper end or lower extreme.

Drawings

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

Fig. 1 is a side view of an elevator landing door apparatus for preventing falling down in a preferred embodiment of the present invention;

fig. 2 is a front view of an elevator landing door apparatus in a preferred embodiment of the present invention, which is prevented from falling off;

fig. 3 is a schematic structural view of an anti-falling elevator landing door device in a preferred embodiment of the present invention;

wherein: the anti-drop device comprises an upper ridge bottom plate-1, an upper change gear-2, an annular limiting groove-21, a guide rail-3, an upper convex part-31, a lower change gear-4, a lower anti-drop hook-5, a vertical mounting part-51, a horizontal bending part-52, a hanging plate-6, a vertical part-61, a horizontal part-62, an upper anti-drop hook-7, a connecting part-71 and an anti-drop part-72.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1, the elevator of this embodiment, including the car, to heavy, tow the system etc., it is the same with prior art to go up the isotructure, no longer describe here, and the elevator of this embodiment is different from prior art in that, including an anti-drop elevator layer door gear, including last bank bottom plate 1, a pair of link plate 6, go up mousing hook 7 and lower mousing hook 5, link plate 6 installs peg wheel 2 and lower peg wheel 4, go up bank bottom plate 1 and be formed with the guide rail 3 of last peg wheel 2 and lower peg wheel 4 matched with, link plate 6 installs on guide rail 3 through last peg wheel 2 and lower peg wheel 4 slidable, go up mousing hook 7 and set up in the upper end of last bank bottom plate 1 in order to prevent that the upper end of link plate 6 breaks away from guide rail 3 when the landing door striking, lower mousing hook 5 sets up in the lower extreme of last bank bottom plate 1 in order to prevent that the lower extreme of landing door striking. Through setting up mousing-hook 7 and lower mousing-hook 5, link plate 6 can prevent when layer door striking from following upper end or lower extreme and deviate from guide rail 3. In addition, the rolling surface of the upper change gear 2 is provided with an annular limiting groove 21 which is surrounded on the upper change gear 2, the upper end of the guide rail 3 is provided with an upper convex part 31 which extends into the annular limiting groove 21, and the rolling surface of the upper change gear 2 is provided with the annular limiting groove 21, so that the upper limiting of the upper change gear 2 and the upper end of the guide rail 3 is realized, and the possibility that the hanging plate 6 is separated from the upper end of the guide rail 3 is effectively reduced. A gap of 0.2-0.5 mm is formed between the rolling surface of the lower change gear 4 and the lower end of the guide rail 3, so that the landing door is not easy to clamp and generate noise when opened and closed.

The cross section of link plate 6 is "L" type, and link plate 6 includes vertical portion 61 and horizontal part 62, goes up peg wheel 2 and lower peg wheel 4 and sets up respectively in the upper end and the lower extreme of vertical portion 61, and horizontal part 62 is used for installing the layer door. The hanging plate 6 with the design has a simple structure, does not need to be bent or punched for multiple times to form the anti-unhooking, and is time-saving, labor-saving and low in cost.

Go up mousing-hook 7 for the piece of bending of transversal personally submitting "7" style of calligraphy, go up mousing-hook 7 including being used for with last bank bottom plate 1 upper end fixed connecting portion 71 and be used for blocking corresponding link plate 6 anticreep portion 72, the contained angle between connecting portion 71 and the anticreep portion 72 is less than 90, wherein, goes up anticreep portion 7 and fixes on last bank bottom plate 1 through the welded mode, goes up anticreep portion 7 and also can adopt the mode of bolt and nut connection to install on last bank bottom plate 1 certainly. Go up anticreep portion 7's quantity and be 2, be used for preventing the link plate 6 of corresponding side from deviating from 3 upper ends of guide rail respectively, certainly also can set up a plurality ofly, and the anticreep effect is better. Go up mousing-hook 7 simple structure, simple to operate, its anticreep portion 72 is bent to link plate 6 direction, can play good anticreep effect and be used for stopping link plate 6 to deviate from guide rail 3 upper end.

Combine fig. 2 and fig. 3, lower mousing-hook 5 sets up between a pair of link plate 6, mousing-hook 5 is a piece of bending down, mousing-hook 5 is including being used for with the fixed vertical installation department 51 of 1 lower extreme of last threshold bottom plate and the horizontal portion of bending 52 that is located the vertical installation department 51 lower extreme down, vertical installation department 51 is located between a pair of link plate 6, horizontal portion of bending 52 is "the type of falling T", horizontal portion of bending 52 extends to both sides along the horizontal direction in order to block the partial vertical portion 61 of corresponding side link plate 6, horizontal portion of bending 52 is located the top of the horizontal part 62 of curb plate 6. The vertical mounting portion 51 of the lower anti-drop hook 5 is mounted on the lower end of the upper sill bottom plate 1 by welding, but may be mounted by a bolt and nut assembly. When the landing door is impacted, the horizontal bending part 52 blocks the hanging plate 6 on the corresponding side from the outside, and the hanging plate 6 is prevented from being separated from the lower end of the guide rail 3.

In the elevator of the embodiment, the anti-falling elevator landing door device is arranged, so that the upper change gear 2 is attached to the guide rail 3, but a certain gap is formed between the lower change gear 4 and the lower end of the guide rail 3, and the elevator is not easy to clamp and generate noise when opening and closing the door; the hanging plate 6 is simple in structure, the anti-disengaging hook does not need to be bent or punched for multiple times, the upper anti-disengaging hook 7 and the lower anti-disengaging hook 5 are independently installed on the upper sill bottom plate 1, time and labor are saved, and the cost is low; the elevator adopts the design of combining the upper anti-disengaging hook 7 and the lower anti-disengaging hook 5, and can prevent the hanging plate 6 from being disengaged from the guide rail 3 from the upper end or the lower end.

The utility model discloses an anti-drop elevator landing door device, the upper end and the lower end of the upper sill bottom plate are respectively provided with an upper anti-drop hook and a lower anti-drop hook, which can prevent the hanging plate from dropping out of the guide rail from the upper end or the lower end; the upper change gear is attached to the guide rail, but a certain gap is reserved between the lower change gear and the lower end of the guide rail, so that the door is not easy to clamp and generate noise when being opened and closed. The hanging plate is simple in structure, the upper anti-disengaging hook and the lower anti-disengaging hook are independent, the upper anti-disengaging hook and the lower anti-disengaging hook are adopted, if the requirement exists, the upper anti-disengaging hook and the lower anti-disengaging hook can be additionally arranged on the installed and used ordinary landing door device, the anti-collision and anti-disengaging functions of the ordinary landing door device are achieved, time and labor are saved, and the cost is low. The utility model discloses an elevator, owing to included foretell anti-drop's elevator layer door gear, equally have and to prevent that the link plate from following upper end or lower extreme from deviating from advantages such as guide rail, difficult card pause, difficult noise generation when opening and shutting the door.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (8)

1. an elevator landing door device that prevents falling off, it is characterized in that, comprise upper sill bottom plate, at least one pair of hanging plates, the upper anti-decoupling hook and the lower anti-decoupling hook for preventing the hanging plate from falling off from the upper sill bottom plate , the hanging board is installed with an upper hanging wheel and a lower hanging wheel, the upper sill bottom plate is formed with a guide rail, and the hanging board is slidably installed on the guide rail through the upper hanging wheel and the lower hanging wheel, and the The upper anti-releasing hook includes a connecting part for fixing with the upper end of the upper sill bottom plate and an anti-releasing part for blocking the corresponding hanging plate; the lower anti-releasing hook includes a vertical hook for fixing with the lower end of the upper sill bottom plate an installation part and a horizontal bending part located at the lower end of the vertical installation part. 2 . The anti-dropping elevator landing door device according to claim 1 , wherein the hanging plate comprises a vertical part and a horizontal part, and the upper hanging wheel and the lower hanging wheel are respectively arranged on the vertical part. 3 . The upper and lower ends of the horizontal part are used to install elevator landing doors. 3 . The anti-dropping elevator landing door device according to claim 2 , wherein the upper anti-dropping hook is a bending part with a “7” shape in cross section. 4 . 4 . The anti-dropping elevator landing door device according to claim 3 , wherein the bending opening of the bending member faces the upper hanging wheel. 5 . 5 . The anti-dropping elevator landing door device according to claim 2 , wherein the vertical installation portion is located between a pair of the hanging plates, and the horizontal bending portion extends to both sides along a horizontal direction. 6 . . 6 . The anti-falling elevator landing door device according to claim 1 , wherein the rolling surface of the upper hanging wheel is provided with an annular limit groove surrounding the upper hanging wheel, and the guide rail has an annular limit groove. The upper end is provided with an upper convex portion extending into the annular limiting groove. 7 . The anti-dropping elevator landing door device according to claim 1 , wherein there is a gap between the rolling surface of the lower hanging wheel and the lower end of the guide rail. 8 . 8 . An elevator, characterized in that , comprising the elevator landing door device for preventing falling off according to any one of the above claims 1 to 7 . 9 .

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