Connecting structure between elevator control cabinet and door frame

The connection structure with fire-resistant insulation on the elevator control cabinet blocks heat and flame spread, enhancing passenger safety by preventing shaft penetration during fires.

CN223102432UActive Publication Date: 2025-07-15WITTUR ELEVATOR COMPONENTS SUZHOU
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Patent Information

Application Number
CN202421814112.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-07-15
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

In the event of fire, existing elevator control cabinets can easily cause the fire and heat to spread rapidly to the elevator shaft, affecting passengers' escape.

Method used

A connection structure is arranged between the elevator control cabinet and the door frame, including a connecting piece and a cover assembly, which contains a thermal insulation layer to prevent fire and heat from conducting and radiating into the shaft.

Benefits of technology

Effectively prevent fire and heat from conducting and radiating into the shaft, giving passengers more escape time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a connecting structure between an elevator control cabinet and a door frame, which is used for connecting a control cabinet body of an elevator and a side door frame of the elevator, and comprises a connecting piece and a cover plate assembly, one side of the connecting piece is fixedly connected with one side of the control cabinet body, and the other side of the connecting piece is fixedly connected with the door frame. The other side of the connecting piece is fixedly connected with the side, close to the control cabinet body, of the side door frame, one end of the cover plate assembly is fixedly connected with the other side of the control cabinet body, and the other end of the cover plate assembly is fixedly connected with the side, close to the control cabinet body, of the side door frame. The cover plate assembly is located on the side, away from the landing door entrance, of the control cabinet body and comprises a heat insulation layer. According to the connecting structure, the connecting piece and the cover plate assembly are arranged, the heat insulation layer is arranged in the cover plate assembly, and after the connecting structure is installed on the back face of the elevator control cabinet, when a fire occurs, heat on the front face of the control cabinet can be effectively prevented from being conducted and radiated into a hoistway, and therefore fire spreading is prevented; and more escape time is won for passengers in the elevator.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a connection structure between an elevator control cabinet and a door frame. Background Art

[0002] Most of the elevator control cabinets commonly found on the market do not have fireproof and heat-insulating materials on the back. Once a fire occurs, the fire and heat can quickly penetrate the elevator control cabinet and enter the elevator shaft, and then spread rapidly along the elevator shaft, which is very unfavorable for the escape of passengers in the elevator. Utility Model Content

[0003] In view of this, in order to overcome the defects of the prior art, the utility model provides a connection structure between an elevator control cabinet and a door frame, which can effectively prevent the fire and heat on the front of the control cabinet from being conducted and radiated into the hoistway in the event of a fire, thereby preventing the spread of the fire.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A connection structure between an elevator control cabinet and a door frame, used for connecting an elevator control cabinet body and an elevator side door frame, the connection structure comprising a connecting piece and a cover plate assembly, one side of the connecting piece being fixedly connected to one side of the control cabinet body, the other side of the connecting piece being fixedly connected to a side of the side door frame close to the control cabinet body, one end of the cover plate assembly being fixedly connected to the other side of the control cabinet body, the other end of the cover plate assembly being fixedly connected to a side of the side door frame close to the control cabinet body; the cover plate assembly being located on a side of the control cabinet body away from a hall door entrance, the cover plate assembly comprising a heat insulating layer.

[0006] By providing a connecting piece and a cover assembly, and providing an insulating layer in the cover assembly, the connecting structure is installed on the back of the elevator control cabinet (the side away from the hall door entrance). When a fire occurs, it can effectively prevent the heat on the front of the control cabinet from being conducted and radiated into the hoistway, thereby preventing the spread of the fire and buying more escape time for the passengers in the elevator.

[0007] According to a preferred implementation aspect of the utility model, the length direction of the cover plate assembly is parallel to the length direction of the control cabinet body, the cover plate assembly further comprises a cover plate and a plurality of spaced-apart pressing plates, one side of the thermal insulation layer is bonded to one side of the cover plate, and the other side of the thermal insulation layer is bonded to one side of the plurality of pressing plates. In some embodiments of the utility model, the thickness of the thermal insulation layer is 6 to 15 mm, and the thermal insulation layer is fireproof thermal insulation cotton.

[0008] According to a preferred implementation aspect of the present utility model, the cover plate is close to the control cabinet body, the heat insulation layer is located between the cover plate and the pressing plate, and there is a gap between the cover plate and the control cabinet body.

[0009] According to a preferred implementation aspect of the present utility model, the distance of the gap is 5 - 15 mm.

[0010] According to a preferred implementation aspect of the present utility model, a first extension plate is fixedly arranged at one end of the cover plate, a second extension plate and a third extension plate are fixedly arranged at the other end of the cover plate, the first extension plate and the second extension plate are both perpendicular to the cover plate, and the third extension plate is parallel to the cover plate.

[0011] According to a preferred implementation aspect of the present utility model, the first extension plate is fixedly connected to the side of the control cabinet body away from the side door frame, and the third extension plate is fixedly connected to the side of the side door frame close to the control cabinet body.

[0012] According to a preferred implementation aspect of the present utility model, the length direction of the pressing plate is perpendicular to the length directions of the cover plate and the heat insulation layer, a fourth extension plate is fixedly arranged at one end of the pressing plate, a fifth extension plate is fixedly arranged at the other end of the pressing plate, and the fourth extension plate and the fifth extension plate are both perpendicular to the cover plate.

[0013] According to a preferred implementation aspect of the present utility model, the fourth extension plate is fixedly connected to the first extension plate, and the fifth extension plate is fixedly connected to the second extension plate.

[0014] According to a preferred implementation aspect of the present utility model, the connecting piece includes a first plate body, a second plate body and a third plate body respectively located on both sides of the first plate body, the first plate body is parallel to the third extension plate, and the second plate body and the third plate body are perpendicular to the third extension plate; the second plate body is fixedly connected to the side of the control cabinet body away from the first extension plate, and the third plate body is fixedly connected to the side of the side door frame close to the control cabinet body.

[0015] According to a preferred implementation aspect of the present utility model, the length of the cover plate is equal to the length of the heat insulation layer and is greater than or equal to the length of the control cabinet body, and the width of the cover plate is equal to the width of the heat insulation layer and is greater than the width of the control cabinet body.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: A connection structure between an elevator control cabinet and a door frame of the present utility model has a simple structure and is easy to implement. By setting a connecting member and a cover plate assembly, and arranging a heat insulation layer in the cover plate assembly, after installing this connection structure on the back of the elevator control cabinet, when a fire occurs, it can effectively prevent the heat on the front of the control cabinet from conducting and radiating into the hoistway, thereby preventing the spread of fire and buying more escape time for the passengers in the elevator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the connection structure installed on the control cabinet body and the side door frame in the preferred embodiment of the present utility model;

[0019] Figure 2 is Figure 1 a partial enlarged structural diagram at position A in

[0020] Figure 3 It is a top view structural schematic diagram of the connection structure installed on the control cabinet body and the side door frame in the preferred embodiment of the present utility model;

[0021] Figure 4 is Figure 3 a partial enlarged structural diagram at position B in

[0022] Figure 5 is Figure 3 a partial enlarged structural diagram at position C in

[0023] Among them, the reference numerals are:

[0024] Connecting member - 1, first plate body - 11, second plate body - 12, third plate body - 13, cover plate assembly - 2, cover plate - 21, heat insulation layer - 22, pressing plate - 23, first extension plate - 24, second extension plate - 25, third extension plate - 26, fourth extension plate - 27, fifth extension plate - 28, control cabinet body - 3, side door frame - 4, sill - 5, hoistway wall - 6. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0026] See Figures 1 to 5 , the control cabinet body 3 of the elevator is usually installed on the hoistway wall 6 beside the top landing door. The side door frame 4 of the elevator landing door is installed on the landing door sill 5. The control cabinet body 3 and the side door frame 4 are connected by the connection structure in this embodiment. The connection structure between the elevator control cabinet and the door frame in this embodiment includes a connecting member 1 and a cover plate assembly 2. The connecting member 1 is located between the control cabinet body 3 and the side door frame 4, and the cover plate assembly 2 is located on the side of the control cabinet body 3 away from the landing door entrance.

[0027] Furthermore, the cover plate assembly 2 includes a cover plate 21, a heat insulation layer 22 and a plurality of pressing plates 23. The plurality of pressing plates 23 in this embodiment are evenly spaced; the length directions of the cover plate 21 and the heat insulation layer 22 are both parallel to the length direction of the control cabinet body 3, and the length direction of the pressing plate 23 is perpendicular to the length directions of the cover plate 21 and the heat insulation layer 22. The cover plate 21 is close to the control cabinet body 3 and there is a gap of 5 - 15 mm between the cover plate 21 and the control cabinet body 3; the heat insulation layer 22 is located between the cover plate 21 and the pressing plates 23. One side of the heat insulation layer 22 is attached to the side of the cover plate 21 away from the control cabinet body 3, and the other side of the heat insulation layer 22 is attached to the side of the plurality of pressing plates 23 close to the cover plate 21. In this embodiment, the thickness of the heat insulation layer 22 is 6 - 15 mm, and the heat insulation layer 22 is preferably a fireproof heat insulation cotton. In some other embodiments, the heat insulation layer 22 can also be other flame retardant materials.

[0028] A first extension plate 24 is fixedly arranged at one end of the cover plate 21, a second extension plate 25 and a third extension plate 26 are fixedly arranged at the other end of the cover plate 21. Both the first extension plate 24 and the second extension plate 25 are perpendicular to the cover plate 21, and the third extension plate 26 is parallel to the cover plate 21. Among them, the first extension plate 24 is fixedly connected to the side of the control cabinet body 3 away from the side door frame 4, and the third extension plate 26 is fixedly connected to the side of the side door frame 4 close to the control cabinet body 3. A fourth extension plate 27 is fixedly arranged at one end of the pressing plate 23, and a fifth extension plate 28 is fixedly arranged at the other end of the pressing plate 23. Both the fourth extension plate 27 and the fifth extension plate 28 are perpendicular to the cover plate 21. The fourth extension plate 27 is fixedly connected to the first extension plate 24, and the fifth extension plate 28 is fixedly connected to the second extension plate 25.

[0029] In addition, to maximize the blocking effect of the cover plate assembly 2, the length of the cover plate 21 is set to be equal to the length of the heat insulation layer 22 and greater than or equal to the length of the control cabinet body 3, and the width of the cover plate 21 is equal to the width of the heat insulation layer 22 and greater than the width of the control cabinet body 3, so that the cover plate assembly 2 can completely block the back of the control cabinet body 3. In this embodiment, the lengths of the cover plate 21 and the heat insulation layer 22 are both equal to the length of the control cabinet body 3.

[0030] Further, the connecting member 1 includes a first plate body 11, a second plate body 12 and a third plate body 13 respectively located on both sides of the first plate body 11. The first plate body 11 is parallel to the third extension plate 26, and the second plate body 12 and the third plate body 13 are perpendicular to the third extension plate 26. The second plate body 12 is fixedly connected to the side of the control cabinet body 3 away from the first extension plate 24, and the third plate body 13 is fixedly connected to the side of the side door frame 4 close to the control cabinet body 3.

[0031] In addition, as Figure 2 shown, when installing the control cabinet and the connection structure, there is a part of space between the shaft wall 6 and the control cabinet body 3. After the installation of the control cabinet and the connection structure is completed, this part of the space will be backfilled with non-combustible or flame-retardant building materials.

[0032] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly. It cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A connection structure between an elevator control cabinet and a door frame, which is used to connect the control cabinet body of the elevator and the side door frame of the elevator, and is characterized in that The connection structure includes a connecting member and a cover plate assembly. One side of the connecting member is fixedly connected to one side of the control cabinet body, and the other side of the connecting member is fixedly connected to one side of the side door frame close to the control cabinet body. One end of the cover plate assembly is fixedly connected to the other side of the control cabinet body, and the other end of the cover plate assembly is fixedly connected to one side of the side door frame close to the control cabinet body; the cover plate assembly is located on the side of the control cabinet body away from the hall door entrance, and the cover plate assembly includes a heat insulation layer.

2. The connection structure according to claim 1, wherein The length direction of the cover plate assembly is parallel to the length direction of the control cabinet body. The cover plate assembly further includes a cover plate and a plurality of pressing plates arranged at intervals. One side of the heat insulation layer is attached to one side of the cover plate, and the other side of the heat insulation layer is attached to one side of the plurality of pressing plates.

3. The connection structure according to claim 2, characterized in that The cover plate is close to the control cabinet body, the heat insulation layer is located between the cover plate and the pressing plates, and there is a gap between the cover plate and the control cabinet body.

4. The connection structure according to claim 3, wherein, The distance of the gap is 5 - 15 mm.

5. The connection structure according to claim 2, characterized in that, A first extension plate is fixedly arranged at one end of the cover plate, and a second extension plate and a third extension plate are fixedly arranged at the other end of the cover plate. The first extension plate and the second extension plate are both perpendicular to the cover plate, and the third extension plate is parallel to the cover plate.

6. The connection structure according to claim 5, characterized in that, The first extension plate is fixedly connected to the side of the control cabinet body away from the side door frame, and the third extension plate is fixedly connected to the side of the side door frame close to the control cabinet body.

7. The connection structure according to claim 5, characterized in that The length direction of the pressing plate is perpendicular to the length directions of the cover plate and the heat insulation layer. A fourth extension plate is fixedly arranged at one end of the pressing plate, and a fifth extension plate is fixedly arranged at the other end of the pressing plate. The fourth extension plate and the fifth extension plate are both perpendicular to the cover plate.

8. The connection structure according to claim 7, wherein, The fourth extension plate is fixedly connected to the first extension plate, and the fifth extension plate is fixedly connected to the second extension plate.

9. The connection structure according to claim 8, wherein The connecting member includes a first plate body, a second plate body and a third plate body respectively located on both sides of the first plate body. The first plate body is parallel to the third extension plate, and the second plate body and the third plate body are perpendicular to the third extension plate; the second plate body is fixedly connected to the side of the control cabinet body away from the first extension plate, and the third plate body is fixedly connected to the side of the side door frame close to the control cabinet body.

10. The connection structure according to claim 2, characterized in that, The length of the cover plate is equal to the length of the heat insulation layer and is greater than or equal to the length of the control cabinet body, and the width of the cover plate is equal to the width of the heat insulation layer and is greater than the width of the control cabinet body.