CN217458398U

CN217458398U - High-temperature-resistant fireproof door hanging plate

Info

Publication number: CN217458398U
Application number: CN202220770859.0U
Authority: CN
Inventors: 张忠海
Original assignee: Ningbo Guangyou Machinery Co ltd
Current assignee: Ningbo Guangyou Machinery Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-09-20
Anticipated expiration: 2032-03-31

Abstract

The application discloses fire door link plate is prevented to high temperature resistant belongs to elevator part technical field for provide a lift-cabin door link plate that has high temperature resistant and can prevent fires, including the link plate main part, the link plate main part adopts high temperature resistant non-deformable's alloy material to make, limit structure who sets up in the link plate main part can adjust the elasticity according to temperature variation, the below of link plate main part is provided with the fire prevention subassembly. The hanging plate has the advantages that different parts of the hanging plate are made of high-temperature-resistant materials with different expansion coefficients through reasonable matching, so that the hanging plate can keep working stability and smoothness in a high-temperature environment; through set up fire prevention subassembly on the link plate, when the condition of a fire takes place for the elevator, can technological hindrance fire spread, further improved elevator safety in utilization.

Description

High-temperature-resistant fireproof door hanging plate

Technical Field

The application relates to the technical field of elevator parts, especially, relate to a fire door link plate is prevented to high temperature resistant.

Background

At present, the elevator is widely used in residential buildings and office buildings, although fire-fighting facilities are arranged in the residential buildings and the office buildings, the elevator is rare, one reason is that fire-fighting equipment is difficult to arrange in the elevator, and the existing elevator door hanging plate does not have a fire-proof function, so that the elevator is very easy to become a fire-fighting dead angle, and the elevator is particularly dangerous once a fire occurs.

Disclosure of Invention

An object of the application is to provide an elevator door link plate that has high temperature resistant and can prevent fires.

In order to reach above purpose, this application provides a fire door link plate is prevented to high temperature resistant, including the link plate main part, the link plate main part adopts high temperature resistant non-deformable's alloy material to make, the limit structure that sets up in the link plate main part can be according to temperature variation regulation elasticity, the below of link plate main part is provided with the fire prevention subassembly.

Preferably, the upper edge of the hanging plate main body is bent to form a sliding groove, the lower edge of the hanging plate main body is bent to form a configuration groove, and the sliding groove and the configuration groove are parallel to each other to ensure the consistency of movement.

Preferably, the hanging plate main body is provided with a shaft hole on the side wall of the configuration groove, and the hanging plate main body is movably connected with a roller through the shaft hole, so that the friction force in the hanging plate is reduced.

Preferably, the rear side face of the hanging plate main body is provided with a telescopic plate, the telescopic plate can change the length of the telescopic plate under the influence of the ambient temperature, one end of the telescopic plate is fixed with the hanging plate main body, the other end of the telescopic plate is movable and provided with a rotating hole, and the telescopic plate and the roller form a rotating pair.

Preferably, the rotating shaft of the roller penetrates through the back face of the hanging plate main body and is fixedly connected with a traction shaft, the diameter of the traction shaft is smaller than that of the rotating shaft of the roller, and the traction shaft penetrates through a limiting ring fixedly connected behind a rotating hole of the telescopic plate to prevent the roller from falling off from the telescopic plate.

Preferably, the lower surface of the hanging plate main body is fixedly connected with two hanging rings, the number of the hanging rings is two, the two hanging rings are respectively close to the left side surface and the right side surface of the hanging plate main body, and the hanging plate main body is connected with a fire retardant tank through the hanging rings in a clamping manner and used for storing fire retardants.

Preferably, the liquid flame retardant is stored in the flame retardant tank, a drain chute is formed in the side wall of the flame retardant tank, the drain chute is plugged by wax, and the drain chute is opened under a high-temperature condition, so that the flame retardant is discharged.

Preferably, the hanging ring is provided with a clamping hole, one end of the flame retardant tank is a material injection end, the other end of the flame retardant tank is an extension end, and the material injection end and the extension end penetrate through the clamping hole of the hanging ring to fix the flame retardant tank.

Preferably, the upper surface of the hanging plate main body is provided with a structural reinforcing plate and a mounting plate, and the mounting plate is fixedly connected with the hanging plate main body through the structural reinforcing plate, so that the structural strength of the whole hanging plate after mounting is ensured.

Preferably, the hanging plate main body and the roller are made of nickel-chromium alloy materials, excessive deformation of parts which cannot deform under the high-temperature condition is avoided, the telescopic plate is made of aluminum alloy materials, and the parts which need to deform under the high-temperature condition have obvious extension capacity.

Compared with the prior art, the beneficial effect of this application lies in:

(1) different parts of the hanging plate are made of high-temperature resistant materials with different expansion coefficients by reasonable matching, so that the hanging plate can keep working stability and smoothness in a high-temperature environment;

(2) through set up fire prevention subassembly on the link plate, when the condition of a fire takes place for the elevator, can technological hindrance fire spread, further improved elevator safety in utilization.

Drawings

Fig. 1 is a first view of the whole structure of the refractory fireproof door hanging plate;

figure 2 is a second view of the whole structure of the refractory fireproof door hanging plate;

fig. 3 is a three-dimensional sectional view of the hanging plate main body of the fire-resistant door hanging plate;

FIG. 4 is a view showing the relationship between the roller and the retractable plate of the refractory fire door hanging plate;

figure 5 is a side view of the roller structure of the fire door hanging panel;

fig. 6 is a perspective view of the retractable plate of the refractory fireproof door hanging plate;

fig. 7 is a perspective sectional view of a fire retardant tank of the fire-resistant fire-proof door cladding;

fig. 8 is an enlarged view of a portion a of the refractory fire door hanging panel of fig. 7.

In the figure: 1. a hanging plate main body; 101. a chute; 102. a configuration groove; 103. hanging a ring; 104. a clamping hole; 105. a shaft hole; 2. a roller; 201. a traction shaft; 202. a limiting ring; 3. a flame retardant tank; 301. a material injection end; 302. a chute; 303. an extension end; 4. mounting a plate; 5. a retractable plate; 501. hole turning; 6. a structural reinforcing plate.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments described below or between the technical features may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The refractory fire door hanging plate shown in fig. 1-8 comprises a hanging plate main body 1, wherein the hanging plate main body 1 is made of refractory alloy materials which are not easy to deform, for example, nichrome materials with smaller thermal expansion coefficient are used for making the hanging plate main body 1, a limit structure arranged in the hanging plate main body 1 can adjust the tightness according to the temperature change, as the viscous resistance between moving parts can be increased under the high temperature condition, the friction resistance can be effectively reduced if the pressure of a contact surface is reduced during the temperature rise, the hanging plate parts are prevented from expanding and deforming during the high temperature, so that the elevator door is difficult to open, the upper edge of the hanging plate main body 1 is bent to form a sliding chute 101 for forming a sliding pair with a matching part on the elevator door, the lower edge of the hanging plate main body 1 is bent to form a matching groove 102 for matching a clamping structure, the sliding chute 101 and the matching groove 102 are parallel to each other, and the extension direction keeps one side to ensure the smooth linear motion of the elevator door, the hanging plate main body 1 is provided with a shaft hole 105 on the side wall of the configuration groove 102, the shaft hole 105 is a rectangular hole with two arc ends, which can enable the rotating shaft to move in a certain range, the hanging plate main body 1 is movably connected with a roller 2 through the shaft hole 105, which can convert the relative movement parts from sliding to rolling, thereby reducing the friction resistance, the roller 2 is also made of nickel-chromium alloy material, meanwhile, the roller 2 is ensured not to generate excessive expansion under high temperature, the rear side surface of the hanging plate main body 1 is provided with a telescopic plate 5, the telescopic plate 5 is made of aluminum alloy material, because the thermal expansion coefficient of aluminum alloy is larger, the length of the telescopic plate 5 can be obviously changed under the influence of the environmental temperature, the hanging plate main body 1 is characterized in that the hanging plate main body extends under high temperature, one end of the telescopic plate 5 is fixed with the hanging plate main body 1, the other end moves and is provided with a rotating hole 501, the rotating shaft of the roller 2 passes through the back surface of the hanging plate main body 1 and is fixedly connected with a traction shaft 201, the diameter of the traction shaft 201 is smaller than that of the rotating shaft of the roller 2, a sunken clamping groove structure is formed, and the traction shaft 201 penetrates through the rotating hole 501 of the telescopic plate 5 and then is fixedly connected with the limiting ring 202 for preventing the roller 2 from being separated from the end of the telescopic plate 5.

The fireproof component is arranged below the hanging plate main body 1, the lower surface of the hanging plate main body 1 is fixedly connected with two hanging rings 103 for installing the protective component, the number of the hanging rings 103 is two, the two hanging rings 103 are respectively close to the left side surface and the right side surface of the hanging plate main body 1, the distance between the hanging rings 103 is enlarged as much as possible, the size of the protective component is as large as possible, the hanging plate main body 1 is connected with a flame retardant tank 3 through the hanging rings 103 in a clamping mode, a liquid flame retardant is stored in the flame retardant tank 3, an environment-friendly phosphorus-nitrogen liquid flame retardant is preferably selected, a material discharge groove 302 is formed in the side wall of the flame retardant tank 3, the liquid flame retardant can be discharged from the position, the material discharge groove 302 is plugged by wax, the wax is preferably selected from polyethylene wax, and when the temperature is lower than about 100 ℃, the wax can well plug the material discharge groove 302 for fixing so as to prevent the liquid flame retardant from leaking; when the melting point of the wax of the super department of taking place in the elevator condition of a fire temperature to rise rapidly, wax will melt rapidly, and liquid fire retardant just so can discharge from chute 302 and obstruct the outward propagation of the intensity of a fire, has seted up joint hole 104 on the link 103 for entangle the both ends of fire retardant jar 3, the one end of fire retardant jar 3 is for annotating material end 301, the other end is for extending end 303, annotate material end 301 and extend end 303 and pass joint hole 104 realization fire retardant jar 3's of link 103 fixed.

The upper surface of link plate main part 1 is provided with structural reinforcement 6 and mounting panel 4, and mounting panel 4 passes through structural reinforcement 6 and link plate main part 1 fixed connection, and structural reinforcement 6 can improve the joint strength of mounting panel 4 on link plate main part 1, and mounting panel 4 utilizes the connecting piece and elevator car's installation position fixed connection.

The working principle of the high-temperature-resistant fireproof door hanging plate is as follows: except for the telescopic plate 5 which needs to change the length of the hanging plate according to the temperature, the other parts are made of alloy with smaller expansion coefficient, so that when the temperature of the elevator rises, the length of the telescopic plate 5 is lengthened, and the volumes of the other parts are basically unchanged, and as the length of the telescopic plate 5 is increased, the pressure of the roller 2 on the matched parts on the elevator door is reduced, so that the contact viscous resistance between the parts which move mutually under the high-temperature condition is increased, the pressure of the contact surface is reduced, the friction force of the relative movement cannot be increased, and the elevator door can be opened and closed more smoothly; on the other hand, the discharge chute 302 of the high-temperature flame retardant tank 3 is opened to discharge the liquid flame retardant, so that a certain effect of hindering fire propagation is achieved, and the aims of high-temperature resistance, stable work and fire prevention are fulfilled.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a fire door link plate is prevented to high temperature resistance which characterized in that: including the link plate main part, the link plate main part adopts high temperature resistant non-deformable's alloy material to make, the limit structure that sets up in the link plate main part can be according to temperature variation regulation elasticity, the below of link plate main part is provided with the fire prevention subassembly.

2. A fire rated door cladding panel as claimed in claim 1, wherein: the hanging plate comprises a hanging plate body and is characterized in that the upper edge of the hanging plate body is bent to form a sliding groove, the lower edge of the hanging plate body is bent to form a configuration groove, and the sliding groove is parallel to the configuration groove.

3. A fire rated door cladding panel as claimed in claim 2, wherein: the hanging plate main body is arranged on the side wall of the configuration groove, a shaft hole is formed in the side wall of the configuration groove, and the hanging plate main body is movably connected with a roller through the shaft hole.

4. A fire rated door cladding panel as claimed in claim 3, wherein: the trailing flank of link plate main part is provided with scalable board, scalable board can receive ambient temperature's influence to change self length, the one end of scalable board is fixed with the link plate main part, the other end activity has seted up the commentaries on classics hole.

5. A fire door hanging board as claimed in claim 4, wherein: the rotating shaft of the roller penetrates through the back face of the hanging plate main body and is fixedly connected with a traction shaft, the diameter of the traction shaft is smaller than that of the rotating shaft of the roller, and the traction shaft penetrates through a limiting ring fixedly connected behind the rotating hole of the telescopic plate.

6. A fire rated door cladding panel as claimed in claim 1, wherein: the lower fixed surface of link plate main part is connected with the link, the quantity of link has two, two the link is close to respectively the link plate main part the side about, the link plate main part passes through the link joint has the fire retardant jar.

7. A fire resistant fire door hanging panel according to claim 6, wherein: the flame retardant tank is characterized in that a liquid flame retardant is stored in the flame retardant tank, a discharge chute is formed in the side wall of the flame retardant tank, and the discharge chute is plugged by wax.

8. A fire door cladding panel of claim 7, wherein: the fire retardant tank is characterized in that a clamping hole is formed in the hanging ring, one end of the fire retardant tank is a material injection end, the other end of the fire retardant tank is an extension end, and the material injection end and the extension end penetrate through the clamping hole of the hanging ring to realize fixation of the fire retardant tank.

9. A fire rated door cladding panel as claimed in claim 1, wherein: the upper surface of link plate main part is provided with structure reinforcing plate and mounting panel, the mounting panel passes through structure reinforcing plate and link plate main part fixed connection.

10. A fire resistant fire door hanging panel according to claim 4, wherein: the hanging plate main body and the rollers are made of nickel-chromium alloy materials, and the telescopic plate is made of aluminum alloy materials.