KR101031336B1 - Vertical frame with reinforced structure for torsional stiffness - Google Patents

Abstract

PURPOSE: A vertical frame with torsional rigidity reinforcing structure for screen door is provided to securely form a screen door assembly and to prevent the torsion of the screen door by using a hollow reinforcing structure. CONSTITUTION: A vertical frame with torsional rigidity reinforcing structure for screen door comprises a reinforcing channel(11) and a fastening plate(10). The fastening plate comprises a plate part and curvature part. The vertical frame faces to the plate part. The curvature part is expanded from the plate part and forms the receiving part accepting the reinforcing channel. The vertical frame is combined with the connecting member, with faced to the fastening plate.

Description

VERTICAL FRAME WITH REINFORCED STRUCTURE FOR TORSIONAL STIFFNESS}

The present invention relates to a vertical frame for a screen door having a torsional rigid reinforcement structure, and more specifically to a vertical frame for a screen door having a torsional rigidity reinforcement structure by combining a U-shaped reinforcement channel to a fastening plate constituting the vertical frame. It is about.

In general, train stations such as subways and light rail trains are equipped with railroads and platforms for passengers to get on and off.However, safety accidents frequently occur due to passengers' carelessness or accidental fall to the tracks due to self-extraction. Of course, there is a problem that the energy efficiency is too low during cold and heating due to exposure to the outside air with the inflow of dust generated during the operation of the electric vehicle.

In order to prevent and improve this, it is linked with the door of the electric car and slides open and close to ensure the stable getting on and off of passengers, improving the air quality in the history, and improving the cooling and heating efficiency to minimize energy consumption. Installation of a platform screen door is required.

The screen door is formed of a drive unit 2 for moving the door together with a window frame 3, which is a body of the sliding door, and a vertical frame and a horizontal frame forming the screen door structure, the overall configuration of which is shown in FIG. A vertical frame (1) is installed on both sides of the structure as described above, and the head box (2), which is a driving unit, is fastened and assembled on the vertical frame (1), and is fixed to the movable door (3) interlocking with the driving unit. The door 4 and the emergency door 5, which is an emergency escape door for the passenger, are respectively provided.

Therefore, the electric vehicle stops completely in the platform groove, and the movable door 3 of the screen door is slidably opened and closed after the door of the electric vehicle is opened and closed, thereby ensuring passenger safety, improving indoor air quality, and improving cooling and heating efficiency. It can be increased.

In general, screen doors have a design life of more than 30 years, so it is very important to design a sufficiently safe against wind pressure shocks applied directly by the operation of electric vehicles. Therefore, the rigidity of the vertical frame (1) supporting the screen door to the platform is very important to maintain the state of the structure stably after the construction of the screen door. Sufficient torsional rigidity must be preempted.

The vertical frame according to the prior art is used to adopt a prefabricated structure in which the weight H beam structure or the U-shaped channel is fastened to the joint plate in order to meet the wind pressure conditions. However, the H-beam is concerned about the occurrence of safety accidents during the installation work with the problem that the installation area is increased by using a bulky and heavy standard product to meet the wind pressure. In addition, in the case of the U-shaped channel assembly structure, a lightweight vertical frame may be configured by a simple method, but the structure of the upper surface assembly hole for the channel assembly is opened so that the structural rigidity is weak. In general, when a slight twist occurs in the vertical frame, structural stability of the entire structure is lowered, and in the case of a movable door that repeats horizontal sliding movement, smooth opening and closing does not occur, causing serious problems such as inconvenience.

The present invention has been made to solve the above problems, a vertical frame having a sufficient reinforcement structure for the torsional rigidity by taking only the structure of the combination of the channel naturally while taking a channel assembly structure that is light weight, miniaturized weight H beam structure The purpose is to provide.

In addition, the present invention forms the insertion groove and the insertion projection between the fastening plate and the reinforcing channel to remove the effect of the fine assembly tolerance on the stability of the entire screen door structure due to vibration and self-weight during the transport or installation of the manufactured screen door assembly. By providing a channel coupling structure that can compensate for the disadvantages of bolting assembly structure.

The present invention provides the following problem solving means to solve the above problems.

As an embodiment of the vertical frame (1) for the screen door having a torsional rigidity reinforcement structure formed by coupling a pair of vertical frame according to the present invention, each of the vertical frame (1), has a cross-section of the U-shape A reinforcing channel 11, a plate portion 101 to which the pair of vertical frames 1 are opposed to each other, and are formed extending from both sides of the plate portion 101 so that the reinforcing channel 11 can be fitted. It includes a fastening plate 10 including a curved portion 102 to form a receiving portion, the curved portion 102 is provided with a plurality of incisions 12 are formed spaced apart vertically, the plate portion 101 ) Is provided with a fastening hole 13 formed at a position corresponding to the cutout 12, and the pair of vertical frames 1 are fastened to the fastening hole 13 in a state where the fastening plate 10 is abutted. Coupled by a fastening member coupled through Characterized in that.

의 형상을 가지는 것이 바람직하다. The cross section of the fastening plate 10

It is preferable to have the shape of.

Insertion protrusions 113 are provided at both side end portions of the reinforcing channel 11, and the plate portion 101 is preferably provided with an insertion groove 103 for coupling with the insertion protrusion 113.

The fastening member is preferably a fastener 14 formed of a bolt and a nut 15 coupled to the fastener.

The connection portion of the reinforcing channel 11 and the fastening plate 10 is preferably fixed by welding.

The vertical frame for the screen door having a torsionally rigid reinforcement structure according to the present invention provides the following effects.

First, by combining the reinforcing channel facing the fastening plate to form a vertical frame, the hollow reinforcement structure naturally formed therein provides the effect of remarkable torsion prevention and the construction of a robust screen door assembly. Taking advantage of the maximum size and weight of the vertical frame.

Second, by forming coupling grooves and coupling protrusions on the fastening plate and reinforcing channel, respectively, and completing vertical frames with mutual fit, the overall convenience that can occur due to vibration and self-weight during transportation or installation of the manufactured screen door assembly. In principle, it provides the effect of eliminating torsion of the structure.

Third, the economic effect of providing reinforcement structure that can meet wind pressure standard without additional reinforcement structure on vertical frame, and the improvement of stability of the constructed screen door by eliminating torsion generated at the source. Minimize the occurrence of safety accidents and passenger inconvenience.

1 is a perspective view showing the installation state of the screen door to which the vertical frame is applied according to the present invention.
2 is a perspective view of a vertical frame according to the present invention.
3 is an assembled perspective view of the present invention.
4 is a cross-sectional view and a perspective view of the main portion of the present invention.
Figure 5 is a perspective assembled side view of the present invention.
Figure 6 is a cross-sectional plan view before assembly of the present invention.
Figure 7 is a cross-sectional view of the hollow reinforcing structure formed according to an embodiment of the present invention.
8 is a cross-sectional perspective view of the hollow reinforcement structure formed according to the present invention.
Figure 9 is a cross sectional plan view of the present invention.
FIG. 10 is a view showing portion A of FIG. 4; FIG.
FIG. 11 is a view showing portion A of FIG. 5; FIG.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

However, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Even if the terms are the same, if the displayed portions are different, it is to be noted that the reference numerals do not match.

The terms to be described below are terms set in consideration of functions in the present invention, and may be changed according to a user's intention or custom such as an experimenter and a measurer, and the definitions should be made based on the contents throughout the present specification.

The drawings introduced in this specification are examples presented to sufficiently convey the spirit of the present invention to those skilled in the art, and the present invention may be embodied in other forms without being limited to the drawings presented below.

The present invention is to solve all the problems that the vertical frame according to the prior art as described above, to include a hollow reinforcement structure that can ensure the structural stability against the torsional rigidity of the vertical frame lightweight The main purpose of the present invention is to ensure structural stability and smooth operability of the screen door so as to minimize inconvenience of passengers.

Figure 2 is a perspective view of a vertical frame according to the present invention, Figure 3 is an assembled perspective view of the present invention, Figure 4 is a cross-sectional and perspective view of the main portion of the present invention, Figure 5 shows a side assembled perspective view of the present invention.

According to one preferred embodiment of the present invention, as shown in Figures 2 to 5, there is provided a vertical frame (1) for the screen door having a torsional rigidity reinforcement structure formed by coupling a pair of vertical frames.

At this time, each of the vertical frame (1), a reinforcing channel (11) having a U-shaped cross section (channel), a plate portion 101, a pair of vertical frame 1 abuts, plate portion 101 It includes a fastening plate 10 which extends from both sides to include a curved portion 102 to form an accommodating portion into which the reinforcing channel 11 can be fitted.

Fastening plate 10 is preferably formed using a plate having a predetermined width. It is preferable to bend both sides of the plate having the width of crystal to form the curved portion 102 in order to increase the rigidity and lower the manufacturing cost. However, in the present invention, since the plate portion 101 and the curved portion 102 need to be continuously connected, the plate portion 101 and the curved portion 102 may be manufactured by welding.

The curved portion 102 forms the first bent portion by bending the plate about 90 degrees, and forms the second bent portion by bending the first bent portion about 90 degrees again. At this time, the second bent portion on both sides is formed in a direction facing each other.

의 형상을 가지게 되며, 한 쌍의 제2 굽힘부의 끝단의 거리는 보강찬넬의 폭과 동일한 것이 바람직하다. 즉, 제1 굽힘부 및 제2 굽힘부에 의해 중공부가 형성되고, 이러한 중공부가 보강찬넬을 수요하는 수용부의 기능을 수행하게 된다. In this state, the cross section of the fastening plate 10 is

It is preferable to have a shape, and the distance between the ends of the pair of second bends is preferably equal to the width of the reinforcing channel. That is, the hollow part is formed by the first bent part and the second bent part, and the hollow part performs the function of the receiving part that requires the reinforcing channel.

Since the core of the present invention is to improve the torsional rigidity while reducing the vertical frame weight, the formation of the hollow portion is important. Therefore, the cross section of the reinforcing channel 11 is also preferably a c-shape, the front end portions of both sides of the reinforcing channel 11 is inserted in contact with the plate portion 101. After the reinforcing channel 11 is inserted, the cross section of the fastening plate 10 has a shape of a cube formed with a hollow part.

In order to improve rigidity, it is preferable to join the reinforcing channel 11 and the contact portion of the fastening plate 10. In particular, the front end portions of both side surfaces of the reinforcing channel 11 are in contact with the plate portion 101, and the end portions of the second bent portions of the curved portion 102 are the main joining portions of the portion in contact with the reinforcement channel 11.

Such bonding may use an adhesive after fitting the reinforcing channel 11 and the fastening plate 10, but it is preferable to use a method such as welding in order to provide more stability. 7 shows such a weld 30. Both sides of the reinforcing channel 11 is inserted into the fastening plate 10 and is not exposed to the outside in principle, but is exposed in the cutout 12 to be described later, so that welding is possible in this portion.

Preferably, the curved portion 102 is provided with a plurality of cutouts 12 formed to be spaced vertically apart from each other. The pair of fastening plates 10 are fastened in a form in which the plate portions 101 are opposed to each other. At this time, the pair of plate portion 101 may be fastened using a bonding material, but because it adversely affects the cost and process conditions, it is preferable to be fastened by the fastening member.

 The fastening member is preferably a fastener 14 formed of a bolt and a nut 15 coupled to the fastener 14. Therefore, in order for the worker to work, the fastener 14 and the nut 15 need to be exposed to engage, and it is the cutout 12 that performs this function. As shown in Figure 3, the plate portion 101 is formed with a fastening hole 13 in a position that can be exposed to work by the cutout 12. The pair of vertical frames 1 are coupled by a fastening member coupled through the fastening holes 13 in a state where the fastening plates 10 are butted together.

FIG. 4 is a view in which the vertical frame 1 is cut around the cutout 12, and an enlarged area of A is illustrated in FIG. 10.

The plate portion 101 is firmly coupled to each other through the fastening member in a state where the plates 101 are butted together, and the U-shaped reinforcement channel 11 is fitted into the fastening plate 10 to be fixed by welding or the like. The cutout 12 is preferably formed on both sides of the curved portion 102 of the same height, but may be provided to be offset from each other.

5 is a perspective view illustrating a process of coupling the fastening plate 10 and the reinforcement channel 11. Insertion protrusions 113 are provided at both end portions of the reinforcement channel 11, and the position of the plate portion 101 corresponding to the insertion protrusion 113 in a state where the reinforcement channel 11 is engaged with the fastening plate 10 is provided. The insertion groove 103 is provided.

The insertion protrusion 113 is coupled to the insertion groove 103. In general, the screen door is subjected to a crane transport for vehicle transportation and installation in the history in the vertical frame, horizontal frame, head box, and the base unit is integrally assembled. Tolerance occurs in the bolted joint of the structure due to the weight and vibration of the transport and transport. This tolerance will result in a warp or twist of approximately 2 mm. Therefore, in order to prevent bending or torsion due to tolerances generated in the bolt fastening portion, it is necessary to prevent dispersion of stress concentration due to self weight and vibration and in principle possible tolerances in each bolt fastening portion, and the insertion groove 103 and This effect can be obtained by coupling between the insertion protrusions 113.

In particular, when fastening with the head box at the top of the reinforcing channel 11, as shown in one embodiment of the present specification, such an effect is required.

In addition, the combination of the insertion groove 103 and the insertion protrusion 113 may also provide the following additional effects. That is, the convenience of work and the coupling plate 10 and the reinforcing channel 11 when combined can provide an effect of reducing the assembly error. In addition, the insertion protrusion 113 is coupled to the insertion groove 103 is exposed to the outside of the plate portion 101, it is also possible to improve the bonding strength by welding to such a portion.

FIG. 11 is an enlarged view of region A of FIG. 5 to better explain the shapes of the insertion groove 103 and the insertion protrusion 113.

The vertical frame according to the present invention is connected to the head box of the screen door at the top, and is connected to the horizontal frame of the head box. Therefore, the upper portion of the fastening plate 10 or the reinforcing channel 11 may be additionally formed with a plurality of fastening holes for connecting with the head box or the horizontal frame, it is possible to easily connect the head box through the bolt operation.

In addition, a cable passage 17 is formed in the upper portion of the vertical frame (1) so that the cable can pass, providing a path for the cable to pass through for supplying power to the head box installed between the vertical frame (1). do.

6 shows a cross-sectional view of the pair of fastening plates 10 coupled through the fastener 14 and the nut 15 in the cutout 12. Since the structure thereof has been described above, a detailed description thereof will be omitted.

8 shows a perspective view including a cut surface when a pair of fastening plates 10 are engaged. The fastened vertical frame shows the shape of two sections overlapping each other. Through such a shape, since the cross section of the vertical frame forms a hollow part and is lightweight, it is reinforced through both sides of the reinforcing channel, thereby improving the rigidity.

9 shows a cross section at the incision when the pair of fastening plates 10 are engaged. Since the description thereof is also duplicated, it will be omitted.

The present invention is not limited to the scope of the embodiments by the above embodiments, all having the technical spirit of the present invention can be seen to fall within the scope of the present invention, the present invention is the scope of the claims by the claims Note that is determined.

1: vertical frame, 10: fastening plate, 11: reinforcing channel, 12: incision, 13: fastening hole, 14: fastener, 15: nut

Claims (5)

In the vertical frame (1) for the screen door having a torsionally rigid reinforcement structure formed by combining a pair of vertical frames,
Each of the vertical frame 1,
A reinforcing channel 11 having a c-shaped cross section,
The plate portion 101 to which the pair of vertical frames 1 abut, and the curved portion 102 is formed extending from both sides of the plate portion 101 to the receiving portion into which the reinforcing channel 11 can be fitted. Including a fastening plate 10 comprising a,
The curved portion 102 is provided with a plurality of incisions 12 are formed spaced apart up and down,
The plate portion 101 is provided with a fastening hole 13 formed in a position corresponding to the cutout 12,
The pair of vertical frames 1 are coupled by a fastening member coupled through the fastening hole 13 in a state where the fastening plate 10 is butted together.
Vertical frame for screen doors with torsionally rigid reinforcement. The method according to claim 1,
The cross section of the fastening plate 10

With the shape of
Vertical frame for screen doors with torsionally rigid reinforcement. The method according to claim 1,
Insertion protrusions 113 are provided at both side ends of the reinforcing channel 11,
The plate portion 101 is provided with an insertion groove 103 for coupling with the insertion protrusion 113,
Vertical frame for screen doors with torsionally rigid reinforcement. The method according to claim 1,
The fastening member is a fastener 14 formed of a bolt and a nut 15 coupled to the fastener,
Vertical frame for screen doors with torsionally rigid reinforcement. The method according to claim 1,
The connection portion of the reinforcing channel 11 and the fastening plate 10 is fixed by welding,
Vertical frame for screen doors with torsionally rigid reinforcement.

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