KR102337522B1 - Elevator Door Upper Support Assembly - Google Patents

Abstract

The present invention relates to an elevator door upper support assembly, which simplifies and miniaturizes the structure and shape of a support frame, and changes the shape and arrangement structure of hanger rollers and separation prevention pins correspondingly, thereby simplifying the overall structure and at the same time Miniaturization is possible, so manufacturing and installation work is easy, and manufacturing costs can be reduced, and the simple operating structure can prevent additional failures. As a whole, it satisfies the legal regulations for elevator door devices and the door operation status To provide an elevator door upper support assembly that can more stably maintain the

Description

Elevator Door Upper Support Assembly

The present invention relates to an elevator door upper support assembly. In more detail, by simplifying and downsizing the structure and shape of the support frame, and correspondingly changing the shape and arrangement structure of hanger rollers and separation prevention pins, the overall structure is simplified and miniaturized so that manufacturing and installation work is possible. It is easy to use and can reduce manufacturing costs, and the simple operating structure can prevent another failure from occurring. It relates to an elevator door upper support assembly.

In general, an elevator device installed in various types of high-rise buildings such as residential or business use and used when passengers are moving in the vertical direction is approximately in the state of passengers boarding the elevator along the hoistway formed in the vertical direction inside the building. ㆍElevator car for moving passengers while moving in the downward direction, a motor unit and a hoisting machine for generating predetermined power are provided, and a mechanical unit for moving the elevator car to the corresponding floor according to the passenger's button operation, and the passenger's button operation It is configured to include an elevator control unit that controls the machine unit while controlling the elevator car to operate smoothly and stably.

Here, the elevator car provided in the elevator device is provided with a car door that selectively opens and closes, and at the same time as the elevator door of each floor of the building is opened and closed in conjunction with the car door, a landing door that allows passengers to get on and off the floor is installed do.

At this time, the car door and the landing door are configured to operate integrally through a single power in order to simplify the structure of the device and increase economic efficiency. The car door and the landing door can be connected to each other. In general, a door driving device is provided on a car door, the opening and closing operation of the car door by the door driving device occurs, and the landing door is opened and closed by interlocking with the car door. The clutch device is installed on the car door panel that opens and closes by the door driving device, and is configured to selectively link the car door panel and the landing door panel so that the car door panel opens and closes together.

As shown in FIG. 1, in an elevator door device including such a car door device and an elevator door device, the support frame 10 is generally mounted on the upper part of the car body or the upper part of the platform wall, and the support frame 10 has a horizontal direction. A guide rail 11 is formed. Two door panels 30 are provided and are mounted in such a way that they are simultaneously operated by a separate door driving device (not shown) to open and close the doorway by reciprocating linear movement from the center of the doorway to the left and right, and the upper part is a separate hanger plate (20) is supported in a suspended form, the lower end is a separate guide shoe (31) is guided in the form of being inserted into the guide seal (40) a movement path. A hanger roller 21 is coupled to the hanger plate 20 supporting the door panel 30 , and the hanger roller 21 is in rolling contact with the guide rail 11 of the support frame 10 , and the guide rail 11 . move in a straight line along

In this elevator door device, two door panels 30 are coupled to and supported by the hanger plate 30, and are configured to open and close the doorway while simultaneously moving in the direction toward or away from each other. For the safety of passengers, legal regulations are being strengthened so that the car door and landing door do not come off even with a certain amount of external impact.

For example, as shown in FIG. 2 , when a stopping force is applied to the lower end of the door panel 30 due to foreign substances P present at the lower end or other reasons while the door panel 30 is closed, the door panel 30 and the hanger plate 20 are rotated as shown by dotted lines. When this rotational force is generated, the hanger roller 21 of the hanger plate 20 may be separated from the guide rail 11, in this case , the entire door panel and the hanger plate may be separated from the guide rail 11, resulting in a safety accident such as a fall accident. Therefore, various separation prevention means for preventing the hanger roller 21 of the hanger plate 20 from being separated from the guide rail 11 even when an external force of a certain strength is applied has been developed in various ways according to legal regulations.

Due to the recently strengthened legal regulations, such separation prevention means are continuously increasing. Accordingly, as shown in FIG. 3 , the configuration of the upper support assembly for supporting the door panel 30 from the upper portion continues to be complicated. .

For example, in the support frame 10 , in addition to the guide rail 11 , an additional auxiliary guide rail 12 is formed under the guide rail 11 , and the hanger plate 20 is rolled on the upper surface of the guide rail 11 . In addition to the contacting hanger roller 21, a separate separation prevention roller 22 is coupled to make rolling contact with the lower surface of the auxiliary guide rail 12 of the support frame 10. When it cannot perform its function due to damage or the like, a separate emergency guide tool 23, etc. that can be seated on the guide rail 11 to perform a guide function is installed to replace it.

Due to the means for preventing door separation, the size of the support frame 10 on which the guide rail 11 is formed increases, as well as the shape becomes complicated, making manufacturing and installation difficult, and in response to this, the separation prevention roller 22 and emergency Since the guide tool 23 and the like must be installed separately, the structure is more complicated, and problems such as difficulty in installation and increase in manufacturing cost are caused. It causes problems such as

Domestic Registered Patent No. 10-0915504

The present invention was invented to solve the problems of the prior art, and an object of the present invention is to simplify and miniaturize the structure and shape of a support frame, and to change the shape and arrangement structure of hanger rollers and separation prevention pins in response thereto. , the overall structure is simplified and miniaturized at the same time, making it easy to manufacture and install and reduce manufacturing costs It is an object of the present invention to provide an elevator door upper support assembly capable of maintaining a more stable door operation state while satisfying regulations.

Another object of the present invention is to form the emergency guide support in the form of cutting and bending the hanger plate without using a separate additional member, thereby performing an accurate and stable guide function for the door device in an emergency due to damage to the hanger roller. Another object of the present invention is to provide an elevator door upper support assembly capable of improving manufacturing easiness and reducing manufacturing cost.

The present invention provides an elevator door upper support assembly installed in a car door device or a landing door device of an elevator to support a door panel, comprising: a support frame in which an upper guide rail and a lower guide rail are formed to face each other in a vertical direction; a hanger plate coupled to an upper portion of the door panel to support the door panel and linearly moving in a horizontal direction along an upper guide rail and a lower guide rail of the support frame; a hanger roller mounted on the hanger plate so that the hanger plate moves linearly in a horizontal direction and in rolling contact with an upper surface of the lower guide rail; and a detachment prevention pin mounted on the hanger plate so as to be positioned above the hanger roller to engage the lower surface of the upper guide rail to prevent the hanger roller from being separated from the lower guide rail. An elevator door upper support assembly is provided.

At this time, the upper guide rail and the lower guide rail of the support frame may be respectively bent to protrude in opposite directions at both ends of the channel body portion formed in a “C”-shaped channel shape in cross-section. .

In addition, the upper guide rail may have a downwardly protruding end bent in a downwardly convex shape, and the lower guide rail may be bent in a upwardly convexly curved upwardly convex shape.

In addition, the separation prevention pin may include: a pin shaft coupled through the hanger plate and having an outer circumferential surface arranged to engage and contact the downwardly protruding end of the upper guide rail; and a flange portion protruding from an end of the pin shaft in a radial direction.

In addition, a separate friction reducing member may be mounted on the outer circumferential surface of the pin shaft.

In addition, an emergency guide support may be formed on one side of the hanger plate so that when the rolling contact state of the hanger roller with the lower guide rail is released, the hanger roller can be seated and guided on the upper surface of the lower guide rail. have.

In addition, the emergency guide support may be formed to have a lower end spaced upward at a predetermined interval from the upper surface of the lower guide rail.

In addition, the emergency guide support may be formed in a shape in which a portion of the hanger plate is cut and the cut area is bent to protrude toward the lower guide rail.

In addition, a concave guide groove may be formed at the lower end of the emergency guide support to be guided and seated on the upper surface of the lower guide rail.

According to the present invention, by simplifying and downsizing the structure and shape of the support frame, and correspondingly changing the shape and arrangement structure of the hanger roller and separation prevention pin, the overall structure is simplified and miniaturized, so that manufacturing and installation are possible. It is easy to work and can reduce manufacturing costs, and the simple operation structure prevents another failure from occurring, and it can satisfy the legal regulations on elevator door devices as a whole and keep the door operation more stable. there is an effect

In addition, by forming the emergency guide support in the form of cutting and bending the hanger plate without using a separate additional member, it performs an accurate and stable guide function for the door device in an emergency due to damage to the hanger roller, as well as ease of manufacture There is an effect that can improve and reduce the manufacturing cost.

1 is a view conceptually showing an opening and closing operation state of a general elevator door device;
Figure 2 is a view showing an example of a door departure occurrence situation of a general elevator door device,
3 is a view conceptually showing the configuration of the upper support assembly of a general elevator door device,
4 is a front view conceptually showing a door device to which an elevator door upper support assembly is applied according to an embodiment of the present invention;
5 is a side view conceptually illustrating the configuration of an elevator door upper support assembly according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

4 is a front view conceptually illustrating a door device to which an elevator door upper support assembly according to an embodiment of the present invention is applied, and FIG. 5 is a conceptual view illustrating the configuration of an elevator door upper support assembly according to an embodiment of the present invention. This is one side view.

The elevator door upper support assembly according to an embodiment of the present invention is a device installed in a car door device or an elevator door device of an elevator to support the door panel 30 from the upper portion, the support frame 100 and the hanger plate 200 ), and a hanger roller 300 , and is configured to include a separation prevention pin 400 .

The support frame 100 is installed on the upper part of the elevator car body or the upper part of the platform wall to support the entire door device. The upper guide rail 110 and the lower guide rail 120 are formed, and they face each other up and down. is formed so as to be positioned opposite to each other.

The upper guide rail 110 and the lower guide rail 120 of the support frame 100 are both ends of the channel body 101 having a cross-sectional shape of a “C” shape as shown in FIG. 5 . It may be formed in a shape that is bent so as to protrude in a direction facing each other. At this time, the upper guide rail 110 is formed to have a downwardly protruding end bent in a downwardly convex shape, and the lower guide rail 120 is bent to a downwardly convexly curved upwardly protruding end.

The hanger plate 200 is coupled to the upper portion of the door panel 30 to support the door panel 30 and linearly moves in the horizontal direction along the upper guide rail 110 and the lower guide rail 120 of the support frame 100 . The hanger roller 300 is mounted on the hanger plate 200 so that the hanger plate 200 moves in a straight line in the horizontal direction and is configured to be in rolling contact with the upper surface of the lower guide rail 120 .

The separation prevention pin 400 (up-thrust roller) is mounted on the hanger plate 200 to be positioned above the hanger roller 300 so that the hanger roller 300 is separated from the lower guide rail 120 . It is formed to be engaged with the lower surface of the upper guide rail 110 to prevent it. These separation prevention pins may be used as an up-thrust roller in consideration of their functional aspects, and here, the term separation prevention pins are used uniformly.

According to this structure, the hanger plate 200 and the door panel 30 are supported and horizontally moved in a form in which the hanger roller 300 is in rolling contact with the lower guide rail 120 of the support frame 100, and a separation prevention pin ( As the 400 is engaged with the upper guide rail 110 of the support frame 100 , the hanger roller 300 is prevented from being separated from the lower guide rail 120 .

The support frame 100 is formed by bending the upper guide rail 110 and the lower guide rail 120 symmetrically in a direction opposite to each other, thereby reducing the size and simplifying the shape compared to the general conventional support frame 100 . This makes it easy to manufacture and install, and reduces manufacturing costs. In addition, the hanger roller 300 is supported by rolling on the lower guide rail 120 to correspond to the shape of the support frame 100, and the separation prevention pin 400 is configured to be engaged with the upper guide rail 110, The simplification and miniaturization of the structure improves the ease of manufacture and installation, and the simple operation structure prevents another failure of other parts and enables more stable door operation.

On the other hand, the separation prevention pin 400 is coupled through the hanger plate 200 and the outer peripheral surface of the pin shaft 410 and the pin shaft 410 disposed so as to engage and contact the downwardly protruding end of the upper guide rail 110, ) may be configured to include a flange portion 420 protruding in the radial direction at the end. As described above, the flange portion 420 is formed at the end of the pin shaft 410 , so that, when the hanger plate 200 moves upward, the pin shaft 410 is engaged with the upper guide rail 110 to separate the hanger roller 300 . , and when the hanger plate 200 moves forward, the flange 420 is engaged with the upper guide rail 110 to prevent the hanger roller 300 from being separated.

At this time, the separation prevention pin 400 is installed so that the outer circumferential surface of the pin shaft 410 does not contact the lower surface of the upper guide rail 110 and a fine separation distance is maintained, so that the separation prevention pin 400 and the upper guide rail 110 ) to prevent friction. In addition, a separate friction reducing member 430 may be coupled to the outer circumferential surface of the pin shaft 410 as shown in FIG. 5 . In this case, the friction reducing member 430 is the lower surface of the upper guide rail 110 . may be maintained in contact with

On the other hand, when the rolling contact state of the hanger roller 300 with respect to the lower guide rail 120 is released on one side of the hanger plate 200, a guide seated on the upper surface of the lower guide rail 120 instead of the hanger roller 300 An emergency guide support 500 may be formed to be able to be.

This emergency guide support 500 replaces the hanger roller 300 so that the hanger plate 200 and the door panel 30 do not come off when the hanger roller 300 does not function properly due to aging or damage. Thus, it is configured to support the hanger plate 200 and the door panel 30, and is formed in a form that can be seated and guided on the upper surface of the lower guide rail 120 in an emergency such as damage to the hanger roller 300.

The emergency guide support 500 is formed so that the lower end of the emergency guide support 500 is not in frictional contact with the lower guide rail 120 in a normal operating state of the door to be spaced upward by a predetermined distance from the upper surface of the lower guide rail 120 . In addition, the emergency guide support 500 may be formed in a form in which a separate member is additionally coupled to the hanger plate 200 , but in an embodiment of the present invention, a partial area of the hanger plate 200 is cut, and the cut area is It may be formed to be bent to protrude toward the lower guide rail 120 . Accordingly, since there is no need to combine additional members, manufacturing is easy and manufacturing costs can be reduced.

At this time, the lower end of the emergency guide support 500 has a lower portion at the bottom of the emergency guide support 500 so that the emergency guide support 500 is stably seated and guided in the process of being seated and guided on the lower guide rail 120 in an emergency and at the same time to prevent separation from the lower guide rail 120 . A guide groove 510 having a concave shape may be formed to correspond to the convex top surface of the guide rail 120 .

The above description is merely illustrative of the technical spirit of the present invention, and various modifications and variations will be possible without departing from the essential characteristics of the present invention by those skilled in the art to which the present invention pertains. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments. The protection scope of the present invention should be construed by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

100: support frame
101: channel body part
110: upper guide rail
120: lower guide rail
200: hanger plate
300: hanger roller
400: escape prevention pin
410: pin shaft
420: flange portion
430: friction reducing member
500: emergency guide support
510: guide groove

Claims (9)

In the elevator door upper support assembly installed in the car door device or the elevator door device of the elevator to support the door panel,
a support frame in which an upper guide rail and a lower guide rail are formed to face each other in a vertical direction;
a hanger plate coupled to an upper portion of the door panel to support the door panel and linearly moving in a horizontal direction along an upper guide rail and a lower guide rail of the support frame;
a hanger roller mounted on the hanger plate so that the hanger plate moves linearly in a horizontal direction and in rolling contact with an upper surface of the lower guide rail;
a separation prevention pin mounted on the hanger plate so as to be positioned above the hanger roller to engage the lower surface of the upper guide rail to prevent the hanger roller from being separated from the lower guide rail; and
Emergency guide support disposed on one side of the hanger plate so that when the rolling contact state of the hanger roller with the lower guide rail is released, the hanger roller can be seated and guided on the upper surface of the lower guide rail instead of the hanger roller
Including, wherein the separation prevention pin includes a pin shaft coupled through the hanger plate, and a flange portion protruding radially from the end of the pin shaft,
The emergency guide support is formed with a lower end spaced upward at a predetermined interval from the upper surface of the lower guide rail,
Elevator door upper support assembly, characterized in that the outer peripheral surface of the pin shaft of the separation prevention pin is arranged to be spaced downward by a predetermined distance from the lower surface of the upper guide rail.
The method of claim 1,
The upper guide rail and the lower guide rail of the support frame are
Elevator door upper support assembly, characterized in that the cross-sectional shape is formed in the form of being bent so as to protrude in opposite directions at both ends of the channel body portion formed in a "C"-shaped channel shape.
3. The method of claim 2,
The upper guide rail has a downwardly protruding end bent in a downward convex shape, and the lower guide rail has an upwardly protruding end bent upward and convexly.
4. The method of claim 3,
The pin shaft is an elevator door upper support assembly, characterized in that when the hanger plate moves upward, an outer circumferential surface thereof can engage and contact the downwardly protruding end of the upper guide rail.
5. The method of claim 4,
Elevator door upper support assembly, characterized in that a separate friction reducing member is mounted on the outer peripheral surface of the pin shaft.
delete delete The method of claim 1,
The emergency guide support is an elevator door upper support assembly, characterized in that a portion of the hanger plate is cut, and the cut area is bent to protrude toward the lower guide rail.
9. The method of claim 8,
The elevator door upper support assembly, characterized in that a concave guide groove is formed at the lower end of the emergency guide support to be seated and guided on the upper surface of the lower guide rail.

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