KR100419210B1 - Chair arm rest and its manufacturing method - Google Patents

Abstract

The present invention relates to an armrest base for a chair and a method of manufacturing the same, and particularly, to provide a high-quality product having a variety of beautiful designs as well as being excellent in texture and warmth.

In order to achieve the above object, the present invention provides a chair armrest supporter, which is formed by dividing the pedestal into a molded part of the upper and lower plate forming molds in which the pedestal is formed, and heating the film. The upper plate and the lower plate of the shape in which the pedestal is divided into half, and the foamed resin is injected, compressed and then demolded to obtain a close contact, and the upper and lower plates are joined to produce a pedestal.

Description

Chair arm rest and its manufacturing method {Chair arm rest and its manufacturing method}

The present invention relates to an improvement of the armrest support for chairs, and in particular, it is possible to manufacture products of various designs, and at the same time to provide a high quality armrest support having good texture, light weight and good heat retention.

In general, armrests are coupled to both sides of a seat plate of the chair, and a pedestal is fastened to the armrest.

At this time, the pedestal combined with the upper end of the armrest is usually manufactured by injection molding with synthetic resin, but the pedestal itself is not only poorly textured but the design change is extremely limited and the material itself is relatively heavy, resulting in heavy weight of the whole product. There was a disadvantage such as.

Especially in the case of chair parts, durability and functionality are important, but the external design is also important as a factor that determines the quality of the product. The reality is that it is a barrier to manufacturing.

The present invention provides a high-quality armrest pedestal with good texture, light weight and good thermal insulation while making it possible to manufacture a pedestal with a variety of beautiful appearances in the construction of the armrest pedestal for chairs in order to rectify these disadvantages. I would like to.

In order to achieve the above object in the present invention in the construction of the armrest support for the chair, the pedestal is separated into an upper plate and a lower plate and then bonded to make the pedestal is configured.

Ideally, the material for forming the upper and lower plates of the pedestal is formed by using a light and textured polyurethane foam resin, wherein the upper and lower surfaces have various shapes and patterns on the PVC film or transfer. The films are integrally bonded to provide a wider choice of designs.

In manufacturing the pedestal of the present invention, if the design of the film to be bonded to the surface of the upper plate and the lower plate is changed in the shape of the upper surface and the lower surface of the pedestal, it is possible to obtain a more versatile design of the pedestal, The concave portion is formed at the junction of the lower plate and the tape is bonded to the concave portion to cover the junction and maintain a beautiful appearance.

In addition, by forming a plurality of protrusions on both sides of the bottom of the lower plate can be obtained the pressure effect of the finger concentrated nerve function of the body.

1 is a cross-sectional view of the upper plate forming mold of the support to be provided in the present invention

FIG. 2: A state in which a film is placed on a molded part in the state of FIG. 1

3: state in which the film is adsorbed to the bottom of the molding part in the state of FIG.

4 is a state in which the foamed resin is injected into the molding portion in the state of FIG.

5 is a cross-sectional view of the upper plate demolded in the state of FIG.

6 is a cross-sectional configuration diagram of the lower plate forming mold of the support to be provided in the present invention

7: a state in which a film is placed on a molded part in the state of FIG. 6

8: a state diagram in which the film is adsorbed to the bottom of the molding part in the state of FIG. 7

9 is a state diagram in which the foamed resin is injected into the molding portion in the state of FIG.

10 is a cross-sectional view of the lower plate demolded in the state of FIG.

11 is a partial cross-sectional configuration of the upper and lower plates obtained in the present invention bonded together

12: A state in which the tape is bonded to the recess in the state of FIG.

Figure 13: Bottom view of the pedestal to be provided in the present invention

14 is a state diagram of use of the present invention

<Description of the symbols for the main parts of the drawings>

(100)-base (101)-tape

(200)-Tops (201)-Film

(202)-Welding Surface (203)-Indentation

(210)-top molding (211)-top molding

(212)-Extension Stone (213)-Exhaust

(300)-Bottom (301)-Film

(302)-Welding Surface (303)-Indentation

(304)-Tip (305)-Tightening

(310)-bottom plate molding (311)-bottom plate molding

(312)-Extension Stone Piece (313)-Exhaust

(314)-protrusion (315)-indentation

(316)-recess (400)-foaming resin

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

Fabrication means of the armrest stand 100 for the chair to be provided in the present invention is to separate the molding into the upper plate 200 and the lower plate 300 by injecting the pedestal 100 in the transverse half and then to manufacture the joint, the upper plate Molding molds for the production of the 200 and the lower plate 300 are shown in FIGS. 1 and 6.

That is, the upper plate forming frame 210 for producing the upper plate 200 and the lower plate forming frame 310 for producing the lower plate 300 are formed of the upper plate forming portion 211 and the lower plate forming portion 311, which are concave. The upper and lower plate forming molds (210, 310) formed in the upper portion of the inner edge of the molded part 211, 311, the expansion and contraction of the expansion stone pieces (212, 312) is freely composed of silicone resin, and the exhaust in the center Balls 213 and 313 are configured.

The shape of the molded parts 211 and 311 recessed in the upper and lower plate forming molds 210 and 310 is the same as the outer shape of the upper plate 200 and the lower plate 300 constituting the pedestal 100. .

In addition, the center of the forming portion 311 of the lower plate forming frame 310 constitutes a protrusion 314, and the concave portion 315 and the groove 316 are sequentially formed on both sides of the protrusion 314.

At this time, the expansion stone pieces 212 and 312 formed in the molding parts 211 and 311 of the upper and lower plate forming molds 210 and 310, and the plurality of grooves 316 formed in the lower plate forming mold 310 are required. You can also leave out the configuration.

On the upper plate forming frame 210 and the lower plate forming frame 310 having the above-described configuration, as shown in FIGS. 2 and 7, the films 201 and 301 are placed, and the films 201 and 301 are about 100 to 100. Heating to 110 [deg.] C. allows the film 201, 301 itself to have flexibility.

At this time, the film used may be a PVC film or a thermal transfer film, and the like, and various patterns are formed on the film, or the design of each film 201, 301 pressed onto the upper and lower plate forming molds 210, 310 or the like. You can also use different colors.

As shown in FIGS. 2 and 7, the films 201 and 301 are placed on the upper and lower plate forming molds 210 and 310, and then the upper and lower plate forming parts are formed through the exhaust holes 213 and 313 when preheating is completed. When the air in the air is sucked and exhausted, the films 201 and 301 deposited on the mold 210 and 310 are adsorbed on the bottom of the upper and lower plate forming parts 211 and 311. 3 and 8, as shown in FIG.

In the above state, the foamed resin 400 is injected into the upper and lower plate forming parts 211 and 311 as shown in FIGS. 4 and 9 so as to be compression-molded as in the usual method. 400 is integrally compression molded.

When compression molding is completed, demoulding is performed to obtain the upper plate 200 and the lower plate 300 on which the joint surfaces 202 and 302 are formed, as shown in FIGS. 5 and 10, and the upper and lower plate forming frames 210 and 310 when demolding. The stretched stone pieces 212, 312 is composed of a material that is free of deformation, such as silicon, there is no problem in the demoulding.

At this time, the concave portions 203 and 303 are formed at the edges of the joining surfaces 202 and 302 of the upper and lower plates 200 and 300, and the plurality of protrusions 304 and the concave concavities are formed at the center of the lower surface of the lower plate 300. Unit 305 is configured.

In the present invention, by applying an adhesive to the bonding surface 202 (302) of the upper plate 200 and the lower plate 300 of the above-described configuration, the upper and lower plates 200 and 300 are bonded as shown in FIG. Obtain the armrest base 100 to be obtained.

At this time, the tape 101 is bonded to the recesses 203 and 303 of the upper and lower plates 200 and 300 so that the bonding surface of the upper and lower plates 200 and 300 is covered and separate. You can get a nice decorative effect.

Reference numeral 500 is a chair, 501 is a seat plate, and 502 is an armrest.

In the present invention configured as described above, in configuring the armrest support 100 for the chair, the foamed resin 400 using the upper plate forming mold 210 and the lower plate forming mold 310 of the shape of the pedestal 100 divided up and down. By forming the upper plate 200 and the lower plate 300 and then joining them to produce a pedestal 100, not only a variety of designs can be selected, but also a light, textured and warm product can be provided.

In other words, in forming the upper plate 200 and the lower plate 300 by using the upper plate forming frame 210 and the lower plate forming frame 310, various patterns such as wooden patterns on the forming frame 210 and 310 are formed. Laying the disposed film 201, 301, it is possible to be provided with a pedestal 100 of various designs by making a pedestal 100 by forming a foamed resin 400 having a light, excellent texture and heat retention thereon.

In this case, when the patterns of the films 201 and 301 positioned on the surface of the upper plate 200 and the lower plate 300 are different from each other, it is possible to provide a pedestal 100 having another design, and also the upper plate 200 Maintaining a beautiful appearance because the joint surface of the upper and lower plates 200 and 300 is not exposed to the outside by attaching the tape 101 to the recesses 203 and 303 located at the junction of the 300. It is possible to expect a decoration effect.

In the above, the formation of the recesses 203 and 303 formed at the edges of the joining surfaces 202 and 302 of the upper plate 100 and the lower plate 200 is performed by forming the forming unit 211 of the upper and lower plate molds 210 and 310. 311 is made by the expansion stone pieces (212, 312) protruding on the inner edge, and the expansion stone pieces (212, 312) is free from deformation of the shape and the external force is removed, such as silicone resin to restore the shape It is composed of a material is not a problem for demoulding the molded upper and lower plates 200 and 300.

In molding the upper and lower plates 200 and 300 for manufacturing the pedestal 100 of the present invention, the vertical state without forming the recesses 203 and 303 formed on the edge of the joining surfaces 202 and 302. It may also be used after molding.

As a means for joining the pedestal 100 to the armrest 502 for the chair, a fixing piece (not shown) formed at the upper end of the armrest 502 is positioned at the fastening portion 305 recessed at the bottom of the pedestal 100 and then screwed. It is used by using a fastening means, such as the illustration is as in FIG.

At this time, the protrusions 304 formed on both sides of the bottom surface of the pedestal 100 are for obtaining acupressure effects such as fingers, and the protrusions 304 may be omitted in some cases.

As described above, in the present invention, the chair armrest supporter is configured with a foamed resin to form the supporter, but the outer surface of the film having various patterns placed thereon covers and protects the foamed resin and at the same time has a beautiful appearance. In particular, it is possible to obtain a pedestal with good touch by the texture and warmth of the foamed resin. In addition, a number of protrusions are formed on the bottom of the foam to pressure the finger parts where the nerve tissues of the body are concentrated to promote health. Clearing your head can help you improve your work efficiency.

Claims (4)

In configuring the armrest pedestal for the chair, the armrest pedestal 100 is manufactured by separating the upper plate 200 and the lower plate 300 on which the bonding surfaces 202 and 302 are formed, and forming the upper plate 200 and the lower plate 300. The film 201, 301 is placed in a variety of patterns on the outer surface of the foamed resin 400 to be integrally formed, and then applying an adhesive to the bonding surface 202 of the upper plate 200 and lower plate 300 Chair armrest support characterized in that. According to claim 1, the base of the chair armrest support, characterized in that the bottom of the base 100 is a plurality of acupressure protrusions (304) protruding. According to claim 1, wherein the concave portion 203, 303 is configured on the edge of the upper plate 200 and the lower plate 300 constituting the pedestal 100, the tape ( 101, the armrest support for a chair, characterized in that the bonding surface located in the concave inlet portion (203) (303) is to be covered. In constructing the armrest support for chairs, the film 201 and 301 are formed on the upper plate mold 210 and the lower plate mold 310 in which the molding portions 211 and 311 having the shape of the base half divided up and down are recessed. And heats the film 201, 301 by preheating the same, and at the same time in the forming part 211, 311 through the exhaust holes 213, 313 formed in the upper and lower plate forming molds 210, 310. The film 201, 301 is brought into close contact with the bottom of the upper and lower plate forming parts 211 and 311, and the foamed resin 400 is attached to the upper and lower plate forming parts 211 and 311 in the above state. Injecting, compressing, and then demolding to form the upper plate 200 and the lower plate 300 formed integrally with the film 201, 301 on the outer surface of the foamed resin 400, the upper and lower plates 200, 300 Method of producing a chair armrest support characterized in that the adhesive surface is applied to the bonding surface (202) (302) and then bonded to them to produce an armrest support (100).