阅读说明：本技术 一种新型的电梯层门板组件 (Novel elevator layer door plate assembly ) 是由 陈彬其 于 2021-07-15 设计创作，主要内容包括：本发明属于电梯设备技术领域,具体的说是一种新型的电梯层门板组件,包括层门板组件；层门板组件包括层门板、加强筋和导靴板；所述层门板上固接有多组加强筋；所述加强筋在层门板上为网格状设置；所述层门板的底部固接有多组导靴板；通过使用非金属的高分子材料,可在层门板组件在成型后,不需要再另外喷涂防锈涂层,材料本身就已经具有非常良好的耐酸碱盐等腐蚀性,同时也具有很好的耐环境老化性；层门板组件的表面颜色也可以通过调配材料的颜色进行变换；可根据客户的需求调配各种各样的颜色,具备了可选的多样性。(The invention belongs to the technical field of elevator equipment, and particularly relates to a novel elevator landing door plate assembly, which comprises a landing door plate assembly; the layer door plate assembly comprises a layer door plate, reinforcing ribs and a guide shoe plate; a plurality of groups of reinforcing ribs are fixedly connected to the layer door plate; the reinforcing ribs are arranged on the layer door plate in a grid shape; a plurality of groups of shoe guide plates are fixedly connected to the bottom of the layer door plate; by using the non-metallic high polymer material, an antirust coating does not need to be sprayed additionally after the laminated door panel assembly is formed, and the material has very good corrosion resistance such as acid, alkali, salt and the like and also has good environmental aging resistance; the surface color of the layer door panel assembly can also be changed by blending the color of the material; various colors can be prepared according to the requirements of customers, and the color mixing machine has selectable diversity.)

1. The utility model provides a novel elevator layer door plant subassembly which characterized in that: comprises a landing door panel assembly; the layer door plate assembly comprises a layer door plate (1), a reinforcing rib (2) and a guide shoe plate (3); a plurality of groups of reinforcing ribs (2) are fixedly connected to the layer door panel (1); the reinforcing ribs (2) are arranged on the layer door plate (1) in a grid shape; the bottom of the layer door plate (1) is fixedly connected with a plurality of groups of guide shoe plates (3).

2. The novel elevator landing door panel assembly of claim 1, wherein: the layer door panel assembly is manufactured by the following method:

s1: firstly, adding a raw material BMC or SMC into an injection molding machine, or adding a material into other auxiliary equipment;

s2: heating a mould of a product to 130-150 ℃;

s3: putting the material into a heated mould through an injection molding machine or other auxiliary equipment;

s4: the mold is closed and heated to solidify the material, and the molded layered door panel assembly is taken out;

a cavity (4) is formed in the boot guide plate (3); the inner side wall of the cavity (4) is fixedly connected with a telescopic rod (41); a bracket (42) is fixedly connected to the end part of the telescopic rod (41); a pulley (43) is rotatably connected inside the bracket (42); a plurality of groups of elastic sheets (44) are hinged to the side wall of the telescopic rod (41); the other end of the elastic sheet (44) is hinged on the inner side wall of the cavity (4).

3. The novel elevator landing door panel assembly of claim 2, wherein: an air bag (5) is fixedly connected to the inner side wall of the cavity (4); the middle part of the air bag (5) is fixedly connected with the side wall of the telescopic rod (41); a first one-way valve (51) is arranged on the air bag (5); an oil storage cylinder (52) is fixedly connected to the inner side wall of the cavity (4); an air duct (53) is communicated between the air bag (5) and the oil storage cylinder (52); a second one-way valve (54) is arranged in the middle of the air duct (53); an oil pushing valve plate (55) is connected inside the oil storage cylinder (52) in a sliding manner; the oil pushing valve plate (55) is connected with the inner side wall of the oil storage cylinder (52) through the oil pushing valve plate (55); an oil nozzle (61) is fixedly connected to the side wall of the bracket (42); an oil guide pipe (6) is communicated between the oil nozzle (61) and the oil storage cylinder (52).

4. The novel elevator landing door panel assembly of claim 3, wherein: a gourd-shaped cavity (62) is formed in the oil nozzle (61); a second elastic rope (63) is fixedly connected to the inner side wall of the oil nozzle (61); an oil blocking block (64) is fixedly connected to the end part of the second elastic rope (63) and is positioned in the gourd-shaped cavity (62); and a spherical valve (65) is fixedly connected to the bottom of the oil blocking block (64).

5. The novel elevator landing door panel assembly of claim 4, wherein: an oil guide groove (66) is formed in the position, corresponding to the port of the gourd-shaped cavity (62), of the bottom of the spherical valve (65).

6. The novel elevator landing door panel assembly of claim 5, wherein: a cleaning block (7) is fixedly connected inside the bracket (42); the inner side wall of the cleaning block (7) is fixedly connected with a flexible cleaning handle (71) at a position corresponding to the pulley (43).

7. The novel elevator landing door panel assembly of claim 6, wherein: a plurality of groups of sweeping strips (72) are fixedly connected to the side wall of the flexible cleaning gripper (71); and a pull rope (73) is connected between the adjacent cleaning strips (72).

8. The novel elevator landing door panel assembly of claim 7, wherein: a plurality of groups of material discharging grooves (74) are formed in the cleaning block (7).

Technical Field

The invention belongs to the technical field of elevator equipment, and particularly relates to a novel elevator landing door panel assembly.

Background

With higher level of urbanization and faster urbanization, more and more high-rise buildings are pulled out, and the elevator is taken as an indispensable modern transportation tool and is inseparable from life and work of people.

Some technical solutions related to elevator landing doors also appear in the prior art, for example, a chinese patent with application number 2015103873038 discloses an elevator landing door with a door panel interlocking device, which includes a pair of door panels, the top of the door panels is interlocked by a door locking device capable of being opened and locked, the bottom of the door panels is interlocked by an interlocking device capable of being opened and locked, and the opening and locking actions of the interlocking device and the door locking device are linked with each other.

At present, the landing door panel assemblies used on the elevators are all formed by bending thin metal plates, and the materials are mainly common carbon steel plates or stainless steel plates; the carbon steel plate is usually required to be sprayed with rust-proof treatment; the treatment method has great pollution to the environment and is not environment-friendly enough; in addition, in order to reinforce the rigidity of the layer door panel and meet the requirements of national standards, one or more metal reinforcing ribs for reinforcement are usually adhered to the back surface of the layer door panel by glue or double-sided adhesive; the problem that the reinforcing ribs are adhered is that after a period of time of use, or when the change of the environmental temperature is large, the glue or the double-faced adhesive tape can be peeled off, so that the reinforcing ribs are separated from the door panel, and the door panel is deformed, and the door opening and closing of the elevator is affected.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that when the temperature of a working environment changes greatly, glue or double faced adhesive tape peels off to cause separation of a reinforcing rib and a door plate, so that the door plate deforms and the opening and closing of an elevator are influenced, the invention provides a novel elevator landing door plate assembly.

The technical scheme adopted by the invention for solving the technical problems is as follows: the novel elevator landing door plate assembly comprises a landing door plate assembly; the layer door plate assembly comprises a layer door plate, reinforcing ribs and a guide shoe plate; a plurality of groups of reinforcing ribs are fixedly connected to the layer door plate; the reinforcing ribs are arranged on the layer door plate in a grid shape; a plurality of groups of shoe guide plates are fixedly connected to the bottom of the layer door plate; when the door is used, the reinforcing ribs are arranged on the back of the layer door plate during mold design, the thickness and the width of the reinforcing ribs can be designed according to different requirements, in addition, the reinforcing ribs are only arranged in the length direction, the reinforcing ribs can be arranged in the width direction, and the integral reinforcing rib structure can be designed into a net shape; after the laminated door plate component is formed, an antirust coating does not need to be sprayed additionally, and the material has very good corrosion resistance such as acid, alkali, salt and the like and also has very good environmental aging resistance; the surface color of the layer door panel assembly can also be changed by blending the color of the material; various colors can be blended according to the requirements of customers, and the color blending machine has selectable diversity; and is much lighter in weight than conventional landing door panel assemblies.

Further, the layer door panel assembly is manufactured by the following method:

s1: firstly, adding a raw material BMC or SMC into an injection molding machine, or adding a material into other auxiliary equipment; the linear expansion coefficient of the raw material is smaller than that of common thermoplastic plastics, so that the high-dimensional-stability and high-dimensional-precision plastic has high dimensional stability; the tensile, bending and impact strength of the material are higher than those of thermoplastic plastics, and the creep resistance of the material is better than that of the thermoplastic plastics; the material has the characteristics of high strength, lactate base salt, aging resistance and the like, and is very suitable for the use environment of the elevator landing door;

s2: heating a mould of a product to 130-150 ℃;

s3: putting the material into a heated mould through an injection molding machine or other auxiliary equipment;

s4: the mold is closed and heated to solidify the material, and the molded layered door panel assembly is taken out; the whole forming process is simple, the used equipment for forming is only auxiliary equipment such as a common injection molding machine or a hydraulic machine and some mechanical arms, and the full-automatic production can be realized, and the processing and the production are quite convenient;

a cavity is formed in the boot guide plate; the inner side wall of the cavity is fixedly connected with a telescopic rod; the end part of the telescopic rod is fixedly connected with a bracket; a pulley is rotatably connected inside the bracket; a plurality of groups of elastic sheets are hinged to the side wall of the telescopic rod; the other end of the elastic sheet is hinged to the inner side wall of the cavity; lead the boots board when using at the in-process of contact guide rail, the pulley can contact the guide rail earlier, avoids leading the draw-in groove direct contact guide rail of boots board and the too fast problem of wearing and tearing that leads to, increases two shell fragments at the lateral wall of telescopic link simultaneously, can make the pulley can be when layer door plant receives vibrations, and the pulley passes through the support of support, offsets vibrations, avoids vibrations direct transfer not and then can lead to the elevator to receive the problem of vibrations together on the layer door plant.

Further, an air bag is fixedly connected to the inner side wall of the cavity; the middle part of the air bag is fixedly connected with the side wall of the telescopic rod; a first one-way valve is arranged on the air bag; an oil storage cylinder is fixedly connected to the inner side wall of the cavity; an air guide pipe is communicated between the air bag and the oil storage cylinder; the middle part of the air duct is provided with a second one-way valve; an oil pushing valve plate is connected to the inside of the oil storage cylinder in a sliding manner; the oil pushing valve plate is connected with the inner side wall of the oil storage cylinder; the side wall of the bracket is fixedly connected with an oil nozzle; an oil guide pipe is communicated between the oil nozzle and the oil storage cylinder; in the use process, earlier with the inside lubricating oil that adds of oil storage tank, when the pulley promotes support and telescopic link to the cavity is inside, can extrude the gasbag, the inside gas of gasbag will enter into the oil storage tank through the air duct inside this moment, and then can promote to push away the sliding of oil valve plate, carry the fuel sprayer department from leading oil pipe with the inside lubricating oil of oil storage tank, carry out oil spout lubrication to the pulley, avoid the pulley after long-time use, the pulley that the rotation is not smooth and lead to produces the vibrations problem, and then increased the stability of pulley operation between leading boots board and guide rail.

Further, a gourd-shaped cavity is formed in the oil nozzle; a second elastic rope is fixedly connected to the inner side wall of the oil nozzle; the end part of the second elastic rope is fixedly connected with an oil blocking block and is positioned in the gourd-shaped cavity; the bottom of the oil blocking block is fixedly connected with a ball valve; through being equipped with the calabash shape chamber in the oil sprayer inside, the second elasticity rope, oil blocking piece and globe valve, can be when leading the inside lubricating oil that has of oil pipe and leading, it strikes out to keep off the oil blocking piece, and then make and normally flow through from the oil sprayer inside, refuel the operation to the pulley, when leading oil pipe not input lubricating oil, oil blocking piece and globe valve can be under the pulling of second elasticity rope, to the direction removal of keeping away from calabash shape chamber tip, and then plug up the oil sprayer, the problem that the inside lubricating oil of oil storage tank can flow by accident has been avoided.

Further, oil guide grooves are formed in the positions, corresponding to the port of the gourd-shaped cavity, of the bottom of the spherical valve; when oil blocking block and ball valve are pushed to calabash shape chamber port department by lubricating oil, partial have can follow the ball valve bottom lead the oil groove and flow, be equipped with and lead the oil groove and just can avoid the oil storage jar and lead when oil pipe inside oil pressure is too big, the ball valve can be pressed tightly in calabash shape chamber port department, and the unable normal spun problem of lubricating oil that leads to.

Further, a cleaning block is fixedly connected inside the bracket; a flexible cleaning handle is fixedly connected to the inner side wall of the cleaning block and the position corresponding to the pulley; a plurality of groups of sweeping strips are fixedly connected to the side wall of the flexible cleaning gripper; a pull rope is connected between the adjacent sweeping strips; through being equipped with clean piece and flexible clean tongs inside the support, can attach on the pulley and when having the impurity on the guide rail, sweep it, when the clean tongs contact impurity of flexibility, can deform, stretch the strip that cleans of its lateral wall to the pulley, then a plurality ofly cooperate through the stay cord between a plurality of strips that clean, the strip is cleaned in the pulling, make the strip that cleans can collude more impurity on the pulley, the stability in use of pulley has been increased, avoid remaining on the pulley and have more impurity and the in-process that leads to appear rocking the problem.

Furthermore, a plurality of groups of discharging grooves are formed in the cleaning block; through being equipped with multiunit blowing groove bottom flexible clean tongs, can collude the back with the cleaning strip with pulley impurity at flexible clean tongs, discharge impurity through the oil baffle piece, avoid the inside incomplete many impurity of remaining of clean piece and the unable normal work problem of flexible clean tongs that leads to.

The invention has the beneficial effects that:

1. the invention provides a novel elevator landing door panel component, which is characterized in that a non-metal high polymer material is used, so that after the landing door panel component is formed, an anti-rust coating is not required to be sprayed additionally, and the material has very good acid, alkali, salt and other corrosion resistance and also has very good environmental aging resistance; the surface color of the layer door panel assembly can also be changed by blending the color of the material; various colors can be prepared according to the requirements of customers, and the color mixing machine has selectable diversity.

2. The back of the adhesive tape is provided with the reinforcing ribs during production, and the thickness and the width of the reinforcing ribs can be designed according to different requirements, so that the environmental pollution caused by volatilization of glue during the pasting process is avoided; the risk that the strengthening rib drops in the follow-up use has been eliminated, because the strengthening rib is integrative coming out in forming process, is integrative with layer door plant, so do not have the problem of droing, can not make the door plant warp and influence the switch door of elevator yet.

3. According to the invention, the positioning pulley is additionally arranged in the guide shoe plate, so that the problem of serious abrasion caused by direct contact between the guide shoe plate and the guide rail when the guide shoe plate guides the door plate is solved, and meanwhile, the problem of pulley damage caused by direct impact of the pulley on impurities when the guide rail has impurities is solved by additionally arranging the buffering air bag in the guide shoe plate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the construction of the shoe guide of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial cross-sectional view of an oil jet;

FIG. 5 is a partial cross-sectional view of the cleaning grip;

illustration of the drawings:

1. a layer door panel; 2. reinforcing ribs; 3. a shoe guide plate; 4. a cavity; 41. a telescopic rod; 42. a support; 43. a pulley; 44. a spring plate; 5. an air bag; 51. a first check valve; 52. a reserve tube; 53. An air duct; 54. a second one-way valve; 55. an oil pushing valve plate; 6. an oil guide pipe; 61. an oil jet; 62. a gourd-shaped cavity; 63. a second elastic cord; 64. an oil blocking block; 65. a ball valve; 66. an oil guide groove; 7. a cleaning block; 71. a flexible cleaning gripper; 72. cleaning strips; 73. pulling a rope; 74. a discharge chute.

Detailed Description

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. 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.

Specific examples are given below.

Referring to fig. 1 to 5, the present invention provides a novel landing door panel assembly for an elevator, including a landing door panel assembly; the layer door plate assembly comprises a layer door plate 1, a reinforcing rib 2 and a guide shoe plate 3; a plurality of groups of reinforcing ribs 2 are fixedly connected to the layer door panel 1; the reinforcing ribs 2 are arranged on the layer door plate 1 in a grid shape; a plurality of groups of shoe guide plates 3 are fixedly connected to the bottom of the layer door plate 1; when the door is used, the reinforcing ribs 2 are arranged on the back surface of the layer door panel 1 during mold design, the thickness and the width of the reinforcing ribs 2 can be designed according to different requirements, in addition, the arrangement is not only limited in the length direction, but also the reinforcing ribs 2 can be arranged in the width direction, namely, the structure of the whole reinforcing ribs 2 can be designed into a net shape; after the laminated door plate component is formed, an antirust coating does not need to be sprayed additionally, and the material has very good corrosion resistance such as acid, alkali, salt and the like and also has very good environmental aging resistance; the surface color of the layer door panel assembly can also be changed by blending the color of the material; various colors can be blended according to the requirements of customers, and the color blending machine has selectable diversity; and is much lighter in weight than conventional landing door panel assemblies.

As an embodiment of the present invention, the layered door panel assembly is manufactured by the following method:

s1: firstly, adding a raw material BMC or SMC into an injection molding machine, or adding a material into other auxiliary equipment; the linear expansion coefficient of the raw material is smaller than that of common thermoplastic plastics, so that the high-dimensional-stability and high-dimensional-precision plastic has high dimensional stability; the tensile, bending and impact strength of the material are higher than those of thermoplastic plastics, and the creep resistance of the material is better than that of the thermoplastic plastics; the material has the characteristics of high strength, lactate base salt, aging resistance and the like, and is very suitable for the use environment of the elevator landing door;

s2: heating a mould of a product to 130-150 ℃;

s3: putting the material into a heated mould through an injection molding machine or other auxiliary equipment;

s4: the mold is closed and heated to solidify the material, and the molded layered door panel assembly is taken out; the whole forming process is simple, the used equipment for forming is only auxiliary equipment such as a common injection molding machine or a hydraulic machine and some mechanical arms, and the full-automatic production can be realized, and the processing and the production are quite convenient;

a cavity 4 is formed in the shoe guide plate 3; the inner side wall of the cavity 4 is fixedly connected with a telescopic rod 41; the end part of the telescopic rod 41 is fixedly connected with a bracket 42; a pulley 43 is rotatably connected inside the bracket 42; a plurality of groups of elastic sheets 44 are hinged to the side wall of the telescopic rod 41; the other end of the elastic sheet 44 is hinged on the inner side wall of the cavity 4; lead the boots board 3 in the in-process of contact guide rail when using, pulley 43 can contact the guide rail earlier, avoid leading the draw-in groove direct contact guide rail of boots board 3 and the too fast problem of wearing and tearing that leads to, increase two shell fragments 44 at the lateral wall of telescopic link 41 simultaneously, can make pulley 43 can receive vibrations when layer door plant 1, pulley 43 passes through the support of support 42, offset vibrations, avoid vibrations direct transfer not and then can lead to the elevator to receive the problem of vibrations together on layer door plant 1.

As an embodiment of the present invention, an air bag 5 is fixed to an inner side wall of the cavity 4; the middle part of the air bag 5 is fixedly connected with the side wall of the telescopic rod 41; a first one-way valve 51 is mounted on the air bag 5; the inner side wall of the cavity 4 is fixedly connected with an oil storage cylinder 52; an air duct 53 is communicated between the air bag 5 and the oil storage cylinder 52; the middle part of the air duct 53 is provided with a second one-way valve 54; an oil pushing valve plate 55 is connected inside the oil storage cylinder 52 in a sliding manner; the oil pushing valve plate 55 is connected with the inner side wall of the oil storage cylinder 52 through the oil pushing valve plate 55; the side wall of the bracket 42 is fixedly connected with an oil nozzle 61; an oil guide pipe 6 is communicated between the oil nozzle 61 and the oil storage cylinder 52; in the using process, lubricating oil is added into the oil storage cylinder 52 firstly, when the pulley 43 pushes the support 42 and the telescopic rod 41 to the inside of the cavity 4, the air bag 5 can be extruded, at the moment, the gas in the air bag 5 can enter the oil storage cylinder 52 through the air duct 53, and then the oil pushing valve plate 55 can be pushed to slide, the lubricating oil in the oil storage cylinder 52 is conveyed to the oil nozzle 61 from the oil guide pipe 6, the pulley 43 is subjected to oil spraying lubrication, the problem that the pulley 43 is unsmooth in rotation after long-time use and causes vibration is avoided, and the running stability of the pulley 43 between the shoe guide plate 3 and the guide rail is further improved.

As an embodiment of the present invention, a gourd-shaped cavity 62 is opened inside the oil nozzle 61; a second elastic rope 63 is fixedly connected to the inner side wall of the oil nozzle 61; an oil blocking block 64 is fixedly connected to the end of the second elastic rope 63 and is positioned inside the gourd-shaped cavity 62; the bottom of the oil baffle block 64 is fixedly connected with a ball valve 65; through being equipped with calabash shape chamber 62 in the inside of fuel sprayer 61, second elasticity rope 63, keep off oil piece 64 and globe valve 65, can be when leading the inside lubricating oil that has of oil pipe 6 and leading, strike out oil piece 64, and then make and normally flow through from the inside of fuel sprayer 61, refuel the operation to pulley 43, when leading oil pipe 6 not to input lubricating oil, keep off oil piece 64 and globe valve 65 and can be under the pulling of second elasticity rope 63, to the direction removal of keeping away from calabash shape chamber 62 tip, and then plug up fuel sprayer 61, the problem that the inside lubricating oil of reserve tank 52 can flow out by accident has been avoided.

As an embodiment of the present invention, an oil guide groove 66 is formed at a position corresponding to an end of the gourd-shaped cavity 62 at the bottom of the ball valve 65; when the oil blocking block 64 and the spherical valve 65 are pushed to the port of the gourd-shaped cavity 62 by the lubricating oil, part of the lubricating oil will flow out from the oil guiding groove 66 at the bottom of the spherical valve 65, and the oil guiding groove 66 is provided to avoid the problem that the lubricating oil cannot be normally sprayed because the spherical valve 65 is tightly pressed on the port of the gourd-shaped cavity 62 when the oil pressure in the oil storage cylinder 52 and the oil guiding pipe 6 is too high.

In one embodiment of the present invention, a cleaning block 7 is fixed inside the bracket 42; a flexible cleaning handle 71 is fixedly connected to the inner side wall of the cleaning block 7 at a position corresponding to the pulley 43; a plurality of groups of sweeping strips 72 are fixedly connected to the side wall of the flexible cleaning gripper 71; a pull rope 73 is connected between the adjacent cleaning strips 72; through being equipped with clean piece 7 and flexible clean tongs 71 in support 42 inside, can attach on pulley 43 and when having the impurity on the guide rail, sweep it, when flexible clean tongs 71 contact impurity, can deform, stretch the cleaning strip 72 of its lateral wall to pulley 43, then a plurality ofly cooperate each other through the stay cord 73 between a plurality of cleaning strips 72, pulling cleaning strip 72, make cleaning strip 72 can collude more impurity on the pulley 43, the stability in use of pulley 43 has been increased, avoid remaining on the pulley 43 and having more impurity and the use that leads to in the wobbling problem appears.

As an embodiment of the present invention, a plurality of sets of material discharging slots 74 are formed inside the cleaning block 7; through being equipped with multiunit blowing groove 74 in flexible clean tongs 71 bottom, can collude the back at flexible clean tongs 71 with cleaning strip 72 with pulley 43 impurity, discharge impurity through fender oil piece 64, avoid the inside flexible clean tongs 71 that has more impurity and lead to of remaining of clean piece 7 unable normal work problem.

The working principle is as follows: when the door is used, the reinforcing ribs 2 are arranged on the back surface of the layer door panel 1 during mold design, the thickness and the width of the reinforcing ribs 2 can be designed according to different requirements, in addition, the arrangement is not only limited in the length direction, but also the reinforcing ribs 2 can be arranged in the width direction, namely, the structure of the whole reinforcing ribs 2 can be designed into a net shape; after the laminated door plate component is formed, an antirust coating does not need to be sprayed additionally, and the material has very good corrosion resistance such as acid, alkali, salt and the like and also has very good environmental aging resistance; the surface color of the layer door panel assembly can also be changed by blending the color of the material; various colors can be blended according to the requirements of customers, and the color blending machine has selectable diversity; and the weight of the floor door plate is much lighter than that of the traditional floor door plate component; the linear expansion coefficient of the raw material is smaller than that of common thermoplastic plastics, so that the high-dimensional-stability and high-dimensional-precision plastic has high dimensional stability; the tensile, bending and impact strength of the material are higher than those of thermoplastic plastics, and the creep resistance of the material is better than that of the thermoplastic plastics; the material has the characteristics of high strength, lactate base salt, aging resistance and the like, and is very suitable for the use environment of the elevator landing door; the whole forming process is simple, the used equipment for forming is only auxiliary equipment such as a common injection molding machine or a hydraulic machine and some mechanical arms, and the full-automatic production can be realized, and the processing and the production are quite convenient; when the guide shoe plate 3 is in contact with the guide rail in use, the pulley 43 can firstly contact with the guide rail, so that the problem of too fast abrasion caused by the fact that a clamping groove of the guide shoe plate 3 directly contacts with the guide rail is solved, meanwhile, two elastic sheets 44 are additionally arranged on the side wall of the telescopic rod 41, so that when the pulley 43 is vibrated on the landing door plate 1, the pulley 43 is supported by the support 42 to offset the vibration, and the problem that the elevator is not vibrated together because the vibration is directly transmitted to the landing door plate 1 is solved; in the using process, firstly, lubricating oil is added into the oil storage cylinder 52, when the pulley 43 pushes the bracket 42 and the telescopic rod 41 to the inside of the cavity 4, the air bag 5 is extruded, at the moment, air in the air bag 5 enters the oil storage cylinder 52 through the air duct 53, and then the oil pushing valve plate 55 can be pushed to slide, the lubricating oil in the oil storage cylinder 52 is conveyed to the oil nozzle 61 from the oil guide pipe 6, the pulley 43 is subjected to oil spraying lubrication, the problem that the pulley 43 is not smooth in rotation after long-time use is avoided, and the running stability of the pulley 43 between the shoe guide plate 3 and the guide rail is further improved; the internal part of the oil nozzle 61 is provided with the gourd-shaped cavity 62, the second elastic rope 63, the oil blocking block 64 and the spherical valve 65, so that the oil blocking block 64 can be impacted to be opened when lubricating oil is introduced into the oil guide pipe 6, the lubricating oil can normally flow through the internal part of the oil nozzle 61, the pulley 43 is subjected to oiling operation, when the lubricating oil is not input into the oil guide pipe 6, the oil blocking block 64 and the spherical valve 65 can move in the direction far away from the end part of the gourd-shaped cavity 62 under the pulling of the second elastic rope 63, the oil nozzle 61 is blocked, and the problem that the lubricating oil in the oil storage cylinder 52 can accidentally flow out is avoided; when the oil blocking block 64 and the spherical valve 65 are pushed to the port of the gourd-shaped cavity 62 by the lubricating oil, part of the lubricating oil can flow out of the oil guide groove 66 at the bottom of the spherical valve 65, and the oil guide groove 66 is arranged, so that the problem that the lubricating oil cannot be normally sprayed because the spherical valve 65 can be tightly pressed at the port of the gourd-shaped cavity 62 when the oil pressure in the oil storage cylinder 52 and the oil guide pipe 6 is too high can be solved; the cleaning block 7 and the flexible cleaning handle 71 are arranged in the support 42, so that impurities on the guide rail can be cleaned when attached to the pulley 43, the flexible cleaning handle 71 can deform when contacting the impurities, the cleaning strips 72 on the side wall of the flexible cleaning handle extend to the pulley 43, and then the cleaning strips 72 are mutually matched through the pull ropes 73 among the cleaning strips 72 to pull the cleaning strips 72, so that more impurities on the pulley 43 can be hooked by the cleaning strips 72, the use stability of the pulley 43 is improved, and the problem of shaking caused by more impurities left on the pulley 43 in the use process is avoided; through being equipped with multiunit blowing groove 74 in flexible clean tongs 71 bottom, can collude the back at flexible clean tongs 71 with cleaning strip 72 with pulley 43 impurity, discharge impurity through fender oil piece 64, avoid the inside flexible clean tongs 71 that has more impurity and lead to of remaining of clean piece 7 unable normal work problem.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.