JPH0318307A - Furniture for sitting - Google Patents

Abstract

PURPOSE: To provide a simple assembly for an excellent furniture for sitting with reference to its strength by constituting so that two sets of studs for assembly are respectively formed as unified bodies with respective two intermediate fore and back leg parts of respective components and they are engaged and fastened with the housings of the two adjacent shell parts. CONSTITUTION: The studs 15&16 for assembly of both side sections 2&3 of an armchair are put in the housings 17&18 for assembly of corresponding frame members 6&7 of a shell 1. Next, screws 41&42 are put in the holes formed at the bottom of the studs 15&16 for assembly and further, the screws are put in bushings 45&46 which are formed as protrusions within the housings 17&18. Still further, in order to strengthen the linkage structure between both side sections 2&3 and the shell 1, the studs 15&16 for assembly are relationally connected to parts 29&30. In this case, a bench is structured when a pair of the shell 1 are linked and held to each other by using intermediate back leg 4 and intermediate fore leg 5.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a piece of furniture for sitting, more particularly consisting of a plastic material, in which two side parts and at least one shell part are combined with each other. Regarding seating furniture that is fixed and intimidating.

(Prior Art) In order to construct the above-mentioned furniture by assembling and fixing a plurality of members to each other, conventionally, a plurality of members are protruded perpendicularly to the inner surfaces of the both sides, and the ends of the shell part are A journal was used that penetrated horizontally into a hole formed in the section. The fixation was performed by screwing a screw into a fixing part inside the shell part.

However, with this assembly and fixed structure, there is a problem with the strength of the furniture, and there is also the problem that rattling occurs due to long-term use, resulting in the furniture becoming unusable within a short period of time. there were.

Furthermore, when such furniture is configured as a bench, if the bench is constructed by connecting two adjacent shell parts to each other, a longitudinal bar member is required to connect these shell parts, As a result, the overall weight of the bench increases, and there are also problems in that it not only increases cost but also is aesthetically undesirable.

In addition, the mold used to decorate the furniture must have a movable member at its end to form the hole described above, so the structure requires a fairly complex mold. .

Furthermore, there is a problem in that it is difficult to assemble the furniture because the screw attachment portion is located in a place where it is difficult for the installation tool to enter, and the tool is inconvenient to handle.

Finally, the shell part cannot be used independently as a chair without backrest with the sides removed, without providing means for concealing the holes formed in the ends of the mold. Can not.

(Problem to be Solved by the Invention) Therefore, the main problem of the present invention is not only the connection between the shell part and both sides, but also the connection part between the shell part and both sides, when the bench is constructed, the horizontal bar member as described above is The strength of the connection between the two shell parts is excellent even without the use of a mold. Furthermore, a mold with a simple structure can be used to form the shell part, and fixing screws can be easily routed, and the length of the final product can be reduced. To provide seating furniture in which exactly the same components 1 can be used regardless of the size.

(Means for Solving the Problems) In order to achieve the above problems, according to the sitting furniture according to the present invention, the front and rear parts of two types of components such as the side parts and the shell part are connected to each other. an assembly stud formed on one of the components to be assembled, and an assembly stud formed on the other component at the front and rear positions of the component with an opening downward so that the studs can be inserted by sliding along a substantially perpendicular plane, respectively. The studs and the housing for assembly are connected and fixed to each other by passing upward through both the studs and the housing, and screwing into threaded holes formed in the component on which the housing is provided. .

(Operations and Effects) With the above structure, it has become possible to easily assemble seating furniture with excellent strength.

Considering the direction in which the shell part extending diagonally with respect to the seat member and the backrest part is removed from the mold, the front and rear assembly housings of the shell part have walls that are inclined substantially along the mold removal direction. Preferably, the component has a section and is configured to receive in said direction adjacent assembly studs formed integrally with the component to be assembled.

According to a first embodiment, the front and rear assembly studs are molded on each side and are formed projecting from the inner surface thereof.

According to a second embodiment, said assembly studs are each formed with a vertically protruding locating stud configured to fit into a housing for receiving a component fixedly mounted therein by a screw. The assembly stud and the positioning stud are formed so as to protrude from a molded part, and when the two components to be connected to each other are properly arranged, the assembly stud is formed to protrude from the corresponding assembly housing. are oriented with respect to each other such that they are located opposite to each other.

In any of the above embodiments, the two sets of assembly studs are integrally formed with each of the two intermediate front and rear legs of each component, and both studs are formed integrally with the two adjacent shell parts. It is configured to be engaged and fixed to the housing.

Additionally, to improve strength, the assembly studs are
each connected to its support part (i.e. side part, additional part or intermediate leg part) via a shoulder part formed to press against the component forming the assembly housing which joins this stud; Each of the positioning studs is connected to the additional member via a sigolder portion formed to press against a component having a receiving housing that is joined to the positioning stud, and is connected to the assembly and positioning studs. have inclined surfaces so as to be wedge-shaped connected to their respective corresponding housings.

(Embodiment) As shown in FIGS. 1 to 3, the sitting furniture according to the invention, ie the armchair or the bench, is constructed from a plurality of components 1, each made of injection or molded plastic material. ing.

The armchair shown in Figure 1 has two symmetrical sides 2.
, 3 are connected to one shell part l. On the other hand, the bench shown in Figures 2 and 3 is
In addition to the two symmetrical side parts 2 and 3, it is further constructed by connecting two shell parts 1 of the same shape via an intermediate rear leg part 4 and an intermediate front leg part 5.

Said shell part 1 is constructed as a rigid structure and has frame members 6, 7 between which are a plurality of substantially horizontal lath members 8 forming seats;
Extending are cross members 9 connected to each other by a plurality of upright lath members 10 forming a backrest portion.

On the other hand, each of the side parts 2.3 is formed into an arcuate shape, and each side part 2.3 is divided into branches, one of which has a straight front leg 11, and the other branch has a concave shape. It forms the hind leg l2. The legs 11.12 of the side parts 2.3 are connected to each other above the seating part via a curved part 13 which extends a shoulder part 14 to the rear. Of course, these sides 2, 3 can also have other shapes if more aesthetically pleasing, as long as the connection means described below are available.

As shown in FIGS. 4 to 6, the connection between the shell portion 1 and each of the side portions 2, 3 is made using an assembly housing 17.18.
and assembly studs 15.1 that cooperate with these, respectively.
6.

These assembly studs 15, 16 are each integrally formed with the legs 11, 12 and project upwardly from the inner surface of these legs by a suitable length. On the other hand, the assembly housing 17 , 18 is formed by the partition members of the corresponding frame members 6 , 7 of the shell part 1 .

In the configuration shown in FIG. 4, the housing 17.18
The respective axes 19 and 20 of the shell part 1 are formed by the direction F in which the shell part 1 is removed from the mold, that is, the two parts of the mold are separated from each other, so that the shell part 1 is formed by the part of the mold structure. The direction is preferably parallel to the direction of removal from the mold. With this structure, both the housings 17.1
The longitudinal partitions 21, 22, 23 and 24 of 8 are located approximately parallel to the direction F, and the removal operation from the mold is prevented due to the draft of the mold or the inclination of the wedge connection described below. becomes easier.

In the example shown, the assembly scuds 15,16 are square shaped for the rear legs 12, while for the front legs 12.
1 has a rectangular U-shaped cross section, and this cross section approximately corresponds to both C')';''/cl 7, 1 8 11 l2 .

With this structure, the longitudinal partition portion 2
1 to 24 are parallel to the axes 19 and 20, respectively, and are in contact with each other in a state perpendicular to the plane formed by them.

It should be noted that these partitions should have an inclination slightly larger than the draft angle of the mold described above so that these partitions have a wedge effect in cooperation with the flanges of the studs 15 and 16. is also possible.

Since the sides 2.3 are constructed as geometrically deformable molded parts of relatively large dimensions, the relative positions of the two studs 15.16 are exactly the same on all sides. It doesn't have to be. In such a case,
The partitions 21 to 24 are such that only two of the partitions are connected to the housing 1.
7.18 These studs 1 when fully seated
It is sufficient to position it so that it contacts the flange portion of No. 5.16 and leaves a small space between the other partition portions and both studs.

Both housings 17, 18 further include the shaft 19.
front and rear partitions 25 to 2 extending parallel to 20;
It is also formed by 8. All of these front and rear partitions 25 to 28 are connected to both scuds 15.
．． 16, and are formed at intervals so as to be in pressure contact with each other.

In a first embodiment (not shown), both the studs 1
5.16 is integrally formed with the both side portions 23.

In this case, the mold needs to be constructed from movable members so that it can be removed.

In the second embodiment shown in FIGS. 4 to 9, said studs 15.16 each have a molded part 29.3.
It stands out from 0. And these mold parts 29
．． 30 also includes a vertically protruding positioning stud 31
．． It has 32. These positioning studs 31,
13 14 32 are each configured as a cylindrical member with a rectangular cross-section corresponding to the cross-section of the receiving housing 33.34 formed by the respective side 2.3. These housings 33, 34 can be shaped very easily since the two sides can be molded perpendicularly to the housing sides. Moreover, since both housings 33 and 34 are simply formed with fixing protrusions at specific locations on the half sides of the mold, they can be removed in the same direction.

Of course, the positioning stud 31 and the assembly stud 15 are positioned relative to each other in consideration of the position of the cooperating receiving housing 33 and the assembly housing 17, respectively. Similarly, the studs 16 32 are positioned relative to each other taking into account the positions of the housings 18.34.

To fix said molded parts 29.30 on the corresponding sides 2, 3, screws 35.36 are respectively inserted into holes 37.38 formed in the bottom of said positioning studs 31.32; These are screwed into holes 39.40 formed in the bottom of the housing 33.34 of the corresponding frame member 6.7 of said shell part l. As a result, said mold part 29,30 is integral with said side parts 2, 3, said mold part on one side is arranged symmetrically with the mold part on the other side, and both sides are arranged symmetrically with respect to each other. Placed. In this way, these sides 2, 3 project the assembly studs 15, 16 in a properly oriented manner.

In order to assemble the furniture shown in Figures 1 to 3, the assembly studs 1 on each of the side parts 2 and
5.16 to the corresponding frame member 6 of said shell part l.
, 7 into the assembly housing 17.18, then insert the screws 41 and 42 into the holes 43 formed at the bottom of the assembly stud 15.16, and then insert the screws 41 and 42 into the housing 17 of the shell part 1. .18 into which the screw 15 16 is fitted.

Furthermore, in order to strengthen the connection structure between the side parts 2.3 and the shell part 1, the assembly studs 15.1
6 is integrally formed with the portions 29, 30 or the side portions, the both side portions are connected to each other by shoulder portions 47, 48 (see FIGS. 8 and 9). These shoulders 47, 48 improve the strength of the connection by providing a large contact area with the frame members 6, 7 of the shell part 1. It is also possible to use similar measures to strengthen the connection structure between said part 29, 30 and said sides 2, 3. That is, the positioning stud 31.32 is connected to the positioning stud 31.32 by the sigolder portion 49.50 having a large contact area with respect to the both sides (see FIGS. 8 and 9).
is connected to both parts 29 and 30.

Next, explaining the bench shown in FIG. 2, this hench has intermediate rear legs 4 and intermediate front legs 5, as described above.
It is constructed by connecting and supporting two shell parts 1 with each other.

And in order to ensure these connection structures, the lOth
As shown in FIG. 1 and FIG. Two assembly studs 16 integrally form a cap 51 located above the leg 4 by using the assembly housing of the frame member 7;
The two assembly studs 15 integrally forming the cap 52 located above are connected by screws in the manner described above.

According to the above structure, the connection structure between the seating part 8 of the shell part 1, the both side parts 2 and 3, and the intermediate leg part 4.5 is strengthened.

In addition, these side portions 14 are attached to the shell portion 1.
Preferably, it is fixed to said backrest part 9.10 of the.

For this purpose, various means can be used, but in particular it is desirable to use a structure comprising a stud and a housing as described above.

[Brief explanation of drawings]

FIGS. F and 2 are perspective views respectively showing an armchair and a bench constructed by connecting a plurality of components to each other by an assembly device according to the present invention, and FIG. 3 is a perspective view of the bench shown in FIG. 2. FIG. 4 is a bottom view of FIG. 1 showing the side of the shell section before assembly.
FIG. 5 is a sectional view taken along the line V-IV, and FIG. 5 is a sectional view similar to FIG. ■■ in Figure 5
Cross-sectional views along the 1st line and 1st line, Figures 8 and 9
The figure is a partial perspective view showing the state in which an additional member is attached to the side part of the shell part in order to attach it to the shell part from the same direction. A cross-sectional view showing the structure of the two intermediate front and rear legs used, and FIG. 11 is a partial perspective view of the rear leg viewed from the direction of arrow F in FIG. 10. 1...Shell part, 2.3...Side part, 1
516... Assembly stud, 17.18...
...Housing for assembly. 19 20 46-

Claims (1)

[Scope of Claims] 1. A sitting furniture made of plastic material, in which a plurality of components such as two side parts and at least one shell part are assembled and fixed to each other, wherein the front and rear parts of the two components are the parts are open downwardly for the assembly stud formed in one of the components to be connected and for slidingly inserting said stud into the other component, respectively, along a substantially vertical plane; Assembly housings provided at the front and rear positions of the component penetrate upward through both the studs and the housing, and are screwed into threaded holes formed in the component on which the housing is provided. Seating furniture characterized by being connected and fixed to each other by. 2. Considering the direction in which the shell part extending diagonally with respect to the seat member and the backrest part is removed from the mold, the front and rear assembly housings of the shell part are inclined approximately along the mold removal direction. has a wall portion that
Seating furniture according to claim 1, characterized in that it is configured to receive in said direction adjacent assembly studs formed integrally with the components to be assembled. 3. The seating furniture according to claim 1 or 2, wherein the front and rear assembly studs are molded on each side and protrude from the inner surface thereof. 4. said assembly studs each projecting from a molding forming a vertically projecting locating stud configured to mate with a housing for receiving a component fixedly mounted therein by a screw; , and the assembly stud and the positioning stud are arranged with respect to each other such that when the two components to be connected to each other are properly positioned, the assembly stud is located opposite the corresponding assembly housing. 3. Seating furniture according to claim 1 or 2, characterized in that it is oriented. 5. The two assembly studs are integrally formed with each of the two intermediate rear legs and front legs, and these studs are installed and fixed within the assembly housings of two adjacent shell parts. The seating furniture according to claim 1 or 2. 6. Each of the assembly studs is connected to its support, additional member, or intermediate leg via a shoulder portion formed to press against a component forming the assembly housing that is joined to the stud. The sitting furniture according to any one of claims 3 to 5, characterized in that: 7. Each of the positioning studs is connected to the additional member via a shoulder portion formed to press against a component having a receiving housing that is joined to the positioning stud. Seating furniture according to claim 4. 8. The seating furniture according to any one of claims 3 to 7, wherein each of the studs has a shape having a rectangular or triangular cross section. 9. The assembly and positioning studs according to any one of claims 3 to 8 have inclined surfaces so as to be connected in a wedge-like manner to their corresponding housings. Seating furniture.