JP2000158989A - Foldable table for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the reduction in the entire strength and the durability of a table by constituting framed upper and lower cases by use of paper core, and forming a resin frame on the periphery thereof by resin injection to form a table structural body. SOLUTION: A table structural body 4 is formed of a flame resistant paper core 41, a support tool 5 and a resin frame 42, paper sheets 43, 43a of the same quality are stuck to the upper and lower sides thereof to block at least the upper and lower openings. The blocked paper core 41 and support tool 5 are set in a mold or frame, a resin solvent such as hard urethane resin, hard polyurethane resin is injected thereto to form a resin frame body 42 having prescribed dimension and thickness on the peripheral surface thereof. Accordingly, the paper core 41 and support tool 5 are substantially in the closely fitted state with the resin frame body 42 and provided with prescribed strength and workability. Since the resin frame body is constituted around the paper core and support tool to form a table structural body, which is then provided on upper and lower cases, the durability can be improved, and the weight and cost can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding table for vehicles such as aircraft, vehicles, railway vehicles and ships.

[0002]

2. Description of the Related Art Heretofore, this type of folding table has a structure in which upper and lower cases are fitted externally to a structure integrally formed with a hard urethane resin. Therefore, it is characterized in that it can be easily and inexpensively molded by injecting and foaming into a mold, molding and then externally fitting the upper and lower cases. However, on the other hand,
Although the weight of the hard urethane resin is slightly inconvenient to the weight of the entire vehicle, there are various problems caused by disposal due to incineration and the like.

The following documents are mentioned as means for solving the above problem. (1) A vehicle table structure disclosed in Japanese Patent Application Laid-Open No. 10-138920, which includes a honeycomb structure, a support frame having a support shaft and a support pin provided on the honeycomb structure, and a structure surrounding the honeycomb structure and the support frame. And a cover that is rotatable about 90 ° to a backrest via a support shaft and a support pin of the support frame. The present invention intends to reduce the weight and cost. (2) 6-81
No. 342, a decorative panel comprising a paper core, a top plate provided above and below the paper core, and a thermosetting resin rim for bordering the paper core. This invention intends to improve the strength of the decorative panel by using the material core, reducing the number of materials and steps, reducing the weight, or filling the cell portion of the material core with a thermosetting resin. (3) In the edge member structure of the serving car of Registered Utility Model No. 3049511, a honeycomb panel having side walls, a surface material provided on the upper surface of the honeycomb panel, and an edge member fitted to the honeycomb panel and the surface material. It consists of. This invention is intended to facilitate replacement of a portion of the edge member.

[0004]

The document (1) has a structure in which a honeycomb structure and a support frame are surrounded by a bottom body and a lid body. Therefore, the honeycomb structure is cut or cut into a correct size and shape (referred to as “cut”), and the precisely cut honeycomb structure is surrounded by a bottom and a lid configured in a predetermined shape. It is necessary. However, it is difficult to accurately cut the honeycomb structure into a predetermined size and shape in view of the configuration of the honeycomb structure. In particular, it is more difficult to accurately cut a honeycomb structure into a kerf shape or size. Therefore, the honeycomb structure having the inferior shape and dimensions is surrounded by the bottom and the lid having a predetermined shape, and a gap is generated between the honeycomb structure and the bottom and the lid. There is an easy task. Problems caused by the formation of the gap include a decrease in the overall strength and durability of the table, breakage of the table, and the like. In addition, the configuration adopts a support frame.
Therefore, there is another problem that the cost is increased.

[0005] The above-mentioned document (2) has a configuration in which a top plate provided above and below a paper core is cut, and a thermosetting resin is cast at a lip portion of the top plate. Therefore, the decrease in strength, which is a problem in the above-mentioned document (1), is somewhat eliminated. However, this invention
The molded thermosetting resin is directly used as an edge material, and is an elastic type. Therefore, from the viewpoint of the material or the size, there is a problem in that it is difficult to mount a mounting bracket or the like necessary for supporting the table, or there are some problems in the strength and peeling resistance as an edge material.

In the above document (3), a constituent material is constituted by a honeycomb panel and a surface material provided on the upper surface of the honeycomb panel, and the constituent member is cut. An edge member is fitted to the cut component. Therefore, a problem similar to that of the above-mentioned document (1) can be considered.

[0007]

Means for Solving the Problems The invention of claim 1 aims to improve the strength and durability of the table, prevent breakage of the table, reduce the weight and cost of the table, and reduce the cost of the table. It is intended to ensure and facilitate the installation of the support in the resin frame.

A first aspect of the present invention is a folding table for a vehicle, comprising: an upper and lower case formed by a frame; and a table structure formed by a paper core, a support, and a resin frame provided in the upper and lower cases. After constructing the tape core, a resin frame is formed around the tape core and the support by resin injection to form the tape component, and the vehicle component is provided in the upper and lower cases. It is a folding table for use.

[0009] The invention of claim 2 is intended to ensure the strength of the paper core, facilitate disposal of the paper core, avoid pollution, and the like.

[0010] The second aspect of the present invention is that the paper core is made of core paper (semi-core paper,
This is a folding table for vehicles that is formed by continuously forming kraft paper, non-combustible paper, etc.) into corrugated, biased, honeycomb-shaped, etc.

According to the third aspect of the present invention, a thermosetting resin solvent is injected to form a table structure, and a gap between the upper and lower cases and the table structure (a tape core and / or a support) is eliminated. It is intended to improve the strength and durability of the steel or prevent breakage of the table.

A third aspect of the present invention is a folding table for a vehicle, wherein the resin frame is formed by injecting a thermosetting resin solvent such as a hard urethane resin or a hard polyurethane resin into a mold.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION In the embodiment of the present invention, a paper core is formed by continuously forming core paper (semi-core paper, kraft paper, non-combustible paper, etc.) into a corrugated, biased, honeycomb-shaped or the like. Constitute. In this example, a cut honeycomb honeycomb core is employed. A paper of the same quality is stuck on the upper and lower sides of the paper core, and at least the upper and lower openings of the paper core are closed to produce a closed paper core. The closed core is set, for example, in a mold or a frame manufactured as follows. That is, in the production of the mold, the surface of the discarded mold is covered with a release agent or a film, a kale coat is laminated thereon, and a glass cloth, a back-up material or the like is further covered, and an epoxy resin is laminated. Then, after complete curing, the discard mold is removed and reversed, and this time, the discard mold shape portion is manufactured by repeating the above steps. A closed core and a supporting tool (a cylindrical "tube" of plastic, metal, etc. and / or a support shaft / support pin, etc.) are set in the mold thus manufactured. Hard urethane resin in this set formwork,
A thermosetting resin solvent such as a hard polyurethane resin is injected.
By injecting the resin solvent, a resin frame having a predetermined size and a predetermined thickness is formed on the closed peripheral core and the peripheral surface of the support. In the present invention, since the resin injection method is adopted, the closed herb core and the supporter can be integrated, and a strong and accurate table structure can be formed. Since the resin frame of the table member has a predetermined size and a predetermined thickness, the setting of the support can be performed reliably and easily. The table body is formed by framing the upper and lower cases on the resin frame of the table member configured as described above. In this example, since a part of the resin frame is also formed at the upper and lower peripheral portions of the paper core, integration with the upper and lower cases can be achieved, and it is useful to prevent rattling with the table member. At one end slightly inside the table structure, side surfaces of the upper and lower cases made of flame-retardant thermoplastic resin such as polycarbonate resin, Kai-Tac (trade name "registered trademark"), hard vinyl chloride resin, etc. A can, bottle, etc. is inserted into the hole for the can holder that is formed on the side, and a constituent hole for inserting the can is formed. Form holes for turning. The table body is constituted by the above operations. A table support member or a support arm of the sheet is inserted and fixed in the support of the table body, and the table body is attached to the sheet.

As another example, a lower (upper) case is provided on a lower mold frame, a paper core and a support are set in the lower (upper) case, and the upper (lower) case is covered with the upper mold. A configuration is also possible in which the frames are aligned and a thermosetting resin solvent such as a hard urethane resin or a hard polyurethane resin is injected into the upper and lower cases. Other configurations are
This is substantially the same as the above-described example.

When the hole for the can holder in each example is replaced with a concave portion, a concave portion is provided in the resin frame body, and when the upper and lower cases are framed, a concave portion is provided in the paper core. A case where a frame is configured, a case where a frame is configured by another method, and the like are considered.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An example of the present invention will be described below.

Referring to the examples shown in FIGS. 1 to 4, reference numeral 1 denotes a table body, and the table body 1 is composed of upper and lower cases
And a table member 4 built in the upper and lower cases 2 and 3 and a support 5 provided on the upper and lower cases 2 and 3 and the table member 4 (the shape and dimensions of each member are not limited). Is done.

The upper case 2 has a top plate 21, a side surface 22 and a hole side surface 23, and forms the upper surface of the table body 1. It is also possible to omit this side surface 22 and substitute it for other means (the same applies hereinafter).

The lower case 3 has a bottom plate 31, a side surface 32, and a hole side surface 33. The lower case 3 constitutes a lower surface of the table body 1, and is assembled to the upper case 2. Omit this side 32,
It is also possible to substitute other means (the same applies hereinafter).
The hole side surface 33 is fitted inside or outside the hole side surface 23. By this inner fitting or outer fitting, a hole 6 for a can holder is formed.

This table structure 4 is a non-flammable hard core.
41, a support 5 and a resin frame 42 such as a flame retardant. Uniform papers 43 and 43a are stuck on the upper and lower sides of the paper core 41, and at least the upper and lower openings of the paper core 41 are closed. Next, the closed core 41 and the supporting member 5 are set in a mold or a frame (not shown), and a resin solvent such as a hard urethane resin or a hard polyurethane resin is injected into the core, and the supporting core 5 and the supporting member are injected. A resin frame 42 having a predetermined size and thickness is formed on the peripheral surface of the fifth frame. Therefore,
The paper core 41 and the support 5 are substantially in close contact with the resin frame 42, and have a predetermined strength and workability (resin frame).
This means that the support member 5, other members, and the like can be easily and reliably provided at 42. ). In the resin frame 42 of the table structure 4, a branch pipe (support member 5) made of resin or metal such as flame retardant is inserted, and a component hole 44 for inserting the hole side surfaces 23 and 33 is formed. Be established. The table body 1 is attached to the sheet 7 via means such as a support member 5 and a support member provided on the sheet 7 or an attachment arm 9 provided on the sheet 7 (the same applies hereinafter).

Referring to the examples of FIGS. 5 to 7, as in the case of the above-described example, it is composed of a table body 1, upper and lower cases 2, 3, a table structure 4, and a support member 5.

The upper case 2 is made of resin and has a top plate 21.
And the side surface 22 and the concave portion 24, and constitute the upper surface of the table body 1. The lower case 3 in which the concave portion 24 and the concave portion of the below-described core portion 41 form a concave portion 6 ′ for a can holder has a bottom plate 31 and a side surface 32 and constitutes a lower surface of the table body 1. At the same time, it is assembled to the upper case 2.

The table structure 4 includes a paper core 41 and a resin frame 42. For example, a cut-out core 44 is employed. A concave portion 45 is formed in the upper surface 41a of the header core 41. In addition, papers 43 and 43a of the same quality are stuck on the upper and lower sides of the paper core 41, and at least the upper and lower openings of the paper core 41 are closed. Next, the closed core core 41 and the supporting tool 5 are set in a mold or a frame (not shown), and a resin solvent such as a hard urethane resin or a hard polyurethane resin is injected thereinto to form a peripheral surface of the core core 41. Then, a resin frame 42 having a predetermined size and thickness is formed. Therefore, the resin core 41 and / or the supporter 5 and the resin frame 42 are substantially in close contact with each other, and have a predetermined strength and workability.

In the figure, reference numeral 8 denotes a stopper provided on the seat 7.

[0025]

According to the first aspect of the present invention, there is provided a folding table for a vehicle comprising an upper and lower case formed of a frame, and a taper structure formed of a paper core, a support, and a resin frame provided in the upper and lower cases. There is a configuration in which, after forming the tape core, a resin frame is formed around the tape core and the support by resin injection to form a tape member, and the tape member is provided in the upper and lower cases. Therefore, it is possible to improve the strength and durability of the table, prevent breakage of the table, reduce the weight and cost of the table, and ensure and facilitate the installation of the table in the resin frame of the table, or work. There are features such as having the nature.

The second aspect of the present invention is a configuration in which the paper core is continuously formed into a core paper (semi-core paper, kraft paper, non-combustible paper, etc.) into a corrugated shape, a bias type, a honeycomb shape, or the like. Therefore, there are features such as securing the strength of the brewer core, facilitating disposal of the brewer core, and avoiding the occurrence of pollution.

According to a third aspect of the present invention, the resin frame is formed by injecting a resin solvent such as a hard urethane resin or a polyurethane resin into a mold. Therefore, a thermosetting resin solvent is injected to form a table structure, the gap between the upper and lower cases and the table structure is eliminated, and the strength and durability of the table are improved.
Or, it is possible to prevent breakage of the table.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view with a part cutaway illustrating an example of the present invention.

FIG. 2 is a partially cutaway perspective view showing the entirety of an example of the present invention.

FIG. 3 is an enlarged cross-sectional view illustrating a main part of an example of the present invention.

FIG. 4 is a perspective view illustrating a use state of an example of the present invention.

FIG. 5 is a partially cutaway exploded perspective view illustrating another example of the present invention.

FIG. 6 is a partially cutaway perspective view showing the entirety of another example of the present invention.

FIG. 7 is a perspective view illustrating a use state of another example of the present invention.

[Explanation of symbols]

 1 Table body 2 Upper case 21 Top plate 22 Side surface 23 Hole side surface 24 Recess 3 Lower case 31 Bottom plate 32 Side surface 33 Hole side surface 4 Tape structure 41 Paper core 41a Top surface 42 Resin frame 43 Paper 43a Paper 44 Configuration hole 45 Concave 5 Support Fixture 6 Hole for can halter 6 'Recess for can holter 7 Seat 8 Stopper 9 Support arm

Claims (3)

[Claims] 1. A folding table for a vehicle comprising an upper and lower case constituted by a framework, and a taper structure formed of a taper core, a support and a resin frame provided in the upper and lower cases. After the configuration, a resin frame is formed around the perforated core and the support by resin injection to form the table structure, and the table structure is provided in the upper and lower cases. Table. 2. The paper core according to claim 1, wherein the paper core is formed by continuously forming core paper (semi-core paper, kraft paper, non-combustible paper, etc.) into a corrugated shape, a bias type, a honeycomb shape, or the like. Folding table for vehicles. 3. The folding table according to claim 1, wherein the resin frame is formed by injecting a thermosetting resin solvent such as a hard urethane resin or a hard polyurethane resin into a mold. .