JP7263739B2 - Assembled furniture frame - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame for knockdown furniture, and more particularly, to a technique for simplifying work when assembling a frame for knockdown furniture.

2. Description of the Related Art Conventionally, knockdown furniture configured by connecting a plurality of frame members is known (see Patent Documents 1 and 2, for example). In the knockdown furniture described in Patent Documents 1 and 2, shelves, desks, and the like are configured by connecting a plurality of types of frame members having different thicknesses and cross-sectional shapes. As described above, in the prior art, a configuration was employed in which the thickness and cross-sectional shape of the frame members were made different for each type to reduce assembly errors during assembly.

JP-A-2003-61759 JP 2007-195721 A

However, if the thickness and cross-sectional shape of the frame member are made different for each type, as in the above patent document, the processing steps and processing time for the frame member increase, which causes an increase in cost. On the other hand, if the thickness and cross-sectional shape of the frame members are unified, the processing cost can be suppressed, but there is a possibility that the type, posture, etc. of the frame members will be mistaken when assembling the assembled furniture. In order to prevent such a mistake, when assembling the assembly furniture, confirmation work is required for each part, which complicates the work when assembling the assembly furniture and prolongs the assembly time.

The present invention has been made in view of the circumstances described above. To provide a frame body for knockdown furniture which simplifies the work in assembling the knockdown furniture and shortens the assembling time by reducing the possibility of attachment.

In order to solve the above problems, the present invention provides a frame for knockdown furniture having the following structure.

(1) A first frame member that is a square tube member, a second frame member that is a square tube member provided orthogonal to the first frame member, and a frame member that is orthogonal to the first frame member and the second frame member. and a connecting member connecting at least two of the first frame member, the second frame member, and the third frame member to each other. In the furniture frame, the connection member includes a main body, one joint extending from the main body, and the other joint extending from the main body in a direction orthogonal to the one joint. wherein the one connecting portion is connectable to one frame member among the first frame member, the second frame member, and the third frame member, and the other frame member The other coupling portion can be coupled to the other frame member, and a first plate nut member is fixed inside the one frame member to connect the one coupling portion. By screwing the penetrating first bolt member with the first plate nut member, the one connecting portion and the one frame member are connected, and the second frame member is provided inside the other frame member. A plate nut member is fixed, and a second bolt member penetrating the other connecting portion is screwed into the second plate nut member, thereby connecting the other connecting portion and the other frame member. , the distance between the main body portion and the second plate nut member when the other connecting portion and the other frame member are connected is the extension length of the one connecting portion from the main body portion A frame body of assembled furniture formed smaller than the height .

(2) When the one connecting portion and the one frame member are connected, the distance between the main body portion and the first plate nut member is the distance between the other connecting portion and the other frame member. The frame body for knockdown furniture according to (1) , wherein the length of extension of the second bolt member from the main body portion when the two bolt members are combined is longer than the extension length of the second bolt member.

(3) A first frame member that is a square tube member, a second frame member that is a square tube member provided orthogonal to the first frame member, and a frame member that is orthogonal to the first frame member and the second frame member. and a connecting member connecting at least two of the first frame member, the second frame member, and the third frame member to each other. In the furniture frame, the connection member includes a main body, one joint extending from the main body, and the other joint extending from the main body in a direction orthogonal to the one joint. wherein the one connecting portion is connectable to one frame member among the first frame member, the second frame member, and the third frame member, and the other frame member The other coupling portion is incapable of being coupled to the member, and the other coupling portion is capable of being coupled to the other frame member, and is coupled to at least two of the first frame member, the second frame member, and the third frame member. A frame body for knockdown furniture, wherein connecting holes are formed at the same distance from corners of the frame body at both ends of surfaces positioned on the same horizontal plane .

(4) A first frame member that is a square tube member, a second frame member that is a square tube member provided orthogonal to the first frame member, and a frame member that is orthogonal to the first frame member and the second frame member. and a connecting member connecting at least two of the first frame member, the second frame member, and the third frame member to each other. In the furniture frame, the connection member includes a main body, one joint extending from the main body, and the other joint extending from the main body in a direction orthogonal to the one joint. wherein the one connecting portion is capable of being connected to one of the first frame member, the second frame member, and the third frame member, and the other connecting portion is connectable to the other frame member out of the first frame member, the second frame member, and the third frame member, and the one connecting portion and the one frame member, and the other At least one pair of the connecting portion and the other frame member can be connected to each other only in a predetermined posture, and the one connecting portion and the one frame member and the other connecting portion and the At least one pair of the other frame member has a plate nut member fixed inside the frame member, and the bolt member penetrating the joint portion is screwed into the plate nut member, whereby the joint is achieved. One of the connecting portion and the plate nut member is formed with an insertion projection, and the other is formed with an insertion hole into which the insertion projection can be inserted. Frame body of assembled furniture.

(5) A first frame member that is a square tube member, a second frame member that is a square tube member provided orthogonal to the first frame member, and a frame member that is orthogonal to the first frame member and the second frame member. and a connecting member connecting at least two of the first frame member, the second frame member, and the third frame member to each other. In the furniture frame, the connection member includes a main body, one joint extending from the main body, and the other joint extending from the main body in a direction orthogonal to the one joint. wherein the one connecting portion is capable of being connected to one of the first frame member, the second frame member, and the third frame member, and the other connecting portion is connectable to the other frame member out of the first frame member, the second frame member, and the third frame member, and the one connecting portion and the one frame member, and the other At least one pair of the connecting portion and the other frame member can be connected to each other only in a predetermined posture, and the one connecting portion and the one frame member and the other connecting portion and the At least one of the other frame members has a plate nut member fixed inside the frame member, and a bolt member penetrating the joint portion of the connecting member is screwed with the plate nut member. The connecting portion and the frame member are connected by the above, and the other connecting member can be connected to the opposite side of the frame member. An insertion projection is formed on one of them, and an insertion hole is formed on the other. A frame of assembled furniture that can be inserted into an insertion hole .

(6) A first frame member that is a square tube member, a second frame member that is a square tube member provided orthogonal to the first frame member, and a frame member that is orthogonal to the first frame member and the second frame member. and a connecting member connecting at least two of the first frame member, the second frame member, and the third frame member to each other. In the furniture frame, the connection member includes a main body, one joint extending from the main body, and the other joint extending from the main body in a direction orthogonal to the one joint. wherein the one connecting portion is capable of being connected to one of the first frame member, the second frame member, and the third frame member, and the other connecting portion is connectable to the other frame member out of the first frame member, the second frame member, and the third frame member, and the one connecting portion and the one frame member, and the other At least one set of the connecting portion and the other frame member can be connected to each other only in a predetermined posture , and the first frame member, the second frame member, and the third frame member A frame for knockdown furniture, wherein connecting holes are formed at the same distance from the corners of the frame at both ends of at least two of the faces positioned on the same horizontal plane.

(7) A first frame member that is a square tube member, a second frame member that is a square tube member provided orthogonal to the first frame member, and a frame member that is orthogonal to the first frame member and the second frame member. and a connecting member connecting at least two of the first frame member, the second frame member, and the third frame member to each other. In the furniture frame, the connection member includes a main body, one joint extending from the main body, and the other joint extending from the main body in a direction orthogonal to the one joint. wherein the one connecting portion is connectable to one frame member among the first frame member, the second frame member, and the third frame member, and the other frame member The other coupling portion can be coupled to the other frame member, and a first plate nut member is fixed inside the one frame member to connect the one coupling portion. By screwing the penetrating first bolt member with the first plate nut member, the one connecting portion and the one frame member are connected, and the second frame member is provided inside the other frame member. A plate nut member is fixed, and a second bolt member passing through the other connecting portion is screwed into the second plate nut member, thereby connecting the other connecting portion and the other frame member. , the distance between the main body portion and the second plate nut member when the other connecting portion and the other frame member are connected is the extension length of the one connecting portion from the main body portion and at least one set of the one coupling portion and the one frame member and the other coupling portion and the other frame member passes through the one coupling portion or the other coupling portion. By screwing the bolt member into the first or second plate nut member, the one or the other coupling portion and the one or the other frame member are coupled, and the one or the other coupling portion and the One of the first and second plate nut members is formed with an insertion projection, and the other is formed with an insertion hole into which the insertion projection can be inserted, so that the plate nut member and the plate nut member are formed in a predetermined posture. A frame of assembled furniture that can only be combined with

The frame body for knockdown furniture according to the present invention described above has the following effects.

According to the frame body of the knockdown furniture according to the present invention, when assembling one frame member and another frame member to a connecting member, by reducing the possibility that each frame member is attached by mistake, It is possible to simplify the work for assembling the frame and shorten the assembling time. Also, if one of the connecting portions is to be connected to another frame member, the one connecting portion interferes with the second plate nut member and becomes impossible to attach. It is possible to further reduce the possibility of attaching the wrong type of each frame member when assembling the frame member.

The perspective view which shows the frame of the knockdown furniture which concerns on one Embodiment of this invention. The perspective view which shows the connection structure by a 1st connection member. (a) and (b) are the upper side perspective view and the lower side perspective view of a 1st connection member. The first perspective view showing the connection procedure in the first connection member. The left view which shows the connection structure in a 1st connection member. The second perspective view which shows the connection procedure in a 1st connection member. The front view which shows the connection structure in a 1st connection member. The perspective view which shows the connection structure by a 2nd connection member. (a) and (b) are an upper side perspective view and a lower side perspective view of a second connecting member. The perspective view which shows the connection procedure in a 2nd connection member. The left view which shows the connection structure in a 2nd connection member. The perspective view which shows the knockdown furniture which concerns on a 1st Example. The perspective view which shows the knockdown furniture which concerns on a 2nd Example. The perspective view which shows the knockdown furniture which concerns on a 3rd Example. The perspective view which shows the state which arranged several assembly furniture in a row. The perspective view which expanded the connection part of assembly furniture. The perspective view which shows the state which connected the frame of several knockdown furniture.

A schematic configuration of a frame body (hereinafter simply referred to as a "frame body") 1 of an assembly furniture according to one embodiment of the present invention will be described below with reference to FIG. In this specification, the direction of the frame 1 is defined by the arrow shown in each drawing. The frame 1 is a rectangular tube member formed by bending a metal plate. It is configured to be connected by one connecting member 20 and a second connecting member 30 .

As shown in FIGS. 12 to 14, the frame 1 according to the present embodiment can be modified according to the user's intention by assembling or arranging various options (additional parts, devices, etc.) inside. It is possible to configure assembled furniture rich in Further, as shown in FIGS. 15 and 17, the user can freely customize the space by arranging the frame bodies 1 that constitute the same or a plurality of types of assembled furniture.

As shown in FIG. 1, the frame 1 includes four first frame members 10S provided in parallel in the front-rear direction, four second frame members 10L provided in parallel in the vertical direction, and a frame. and two third frame members 10M provided in parallel along the left-right direction on the upper part of the frame member 10M. In the frame 1, the frame members 10S, 10L, and 10M are provided perpendicular to each other. More specifically, each first frame member 10S connects the upper end portion and the lower end portion of the second frame member 10L via the first connecting member 20 and the second connecting member 30 in the front-rear direction. In addition, the third frame member 10M connects the upper end portion of the second frame member 10L via the first connecting member 20 in the left-right direction.

In this embodiment, the third frame member 10M is arranged only in the upper part of the frame 1, but the third frame member 10M may be arranged in the lower part of the frame 1 as well. Further, it is also possible to provide only the third frame member 10M in place of the first frame member 10S in the lower portion of the frame 1. FIG.

In the frame 1, the frame members 10S, 10L, and 10M have substantially the same cross-sectional shape perpendicular to the axial direction, except that they have different lengths. Therefore, it is possible to reduce the processing cost and the like by sharing the processing steps when manufacturing the frame members 10S, 10L, and 10M. In this embodiment, among the frame members 10S, 10L, and 10M, the first frame member 10S is the shortest and the second frame member 10L is the longest. Further, as shown in FIG. 2, the frame members 10S, 10L, and 10M in the frame 1 have a cross-sectional shape of a square with a side of several tens of millimeters.

As shown in FIGS. 1 and 2, the first frame member 10S has two connecting holes 17 at both ends of one of the four surfaces (the upper surface of the upper first frame member 10S). The surface (the upper surface of the first frame member 10S on the lower side) is provided with three connecting holes 11, which are two small holes. As shown in FIGS. 1 and 2, the second frame member 10L is formed with two connecting holes 11 aligned in the axial direction on two adjacent surfaces among the four surfaces. The connecting hole 11 is used when assembling the first and second beam members 50S and 50M (see FIGS. 12 to 14) to the frame 1. As shown in FIG. Further, as shown in FIG. 1, the third frame member 10M has four connecting holes 17 formed on one of the four surfaces (upper surface).

In the present embodiment, as shown in FIG. 2, connecting holes 17 are opened at the same distance from the corners of the frame 1 at both ends of the upper surfaces of the first frame member 10S and the third frame member 10M, which are the same horizontal plane. It is Specifically, in FIG. 2, the distance from the front end surface of the frame 1 to the connecting hole 17 on the upper surface of the first frame member 10S and the distance from the left end surface of the frame 1 to the connecting hole 17 on the upper surface of the third frame member 10M. are formed to have the same size as the distance of

Each frame member 10S, 10L, 10M is connected by a first connecting member 20 and a second connecting member 30. As shown in FIG. Specifically, as shown in FIG. 1, at the four upper corners of the frame 1, the first frame member 10S, the second frame member 10L, and the third frame member 10M are each provided with one first connecting member 20. concatenated with At four lower corners of the frame 1, the first frame member 10S and the second frame member 10L are connected by one second connecting member 30, respectively.

As shown in FIG. 1, a total of four leg members 41 are attached to the lower surface of the first frame member 10S in the lower portion of the frame 1 (see FIGS. 8, 10 and 11). By adjusting the extension length of the leg members 41 from the first frame member 10S, the frame 1 can be installed horizontally on the floor. In addition, the frame 1 has improved rigidity by connecting the central portions of the two first frame members 10S facing each other on the upper side with the intermediate frame member 40 .

Next, the connection structure of the first frame member 10S, the second frame member 10L, and the third frame member 10M by the first connection member 20 in the upper part of the frame 1 will be described with reference to FIGS. . 2 to 7 show the first connecting member 20 at the left front corner of the upper portion of the frame 1. As shown in FIG. In this embodiment, the first connecting members 20 arranged at the left front corner and the right rear corner have the same configuration. In addition, the first connecting members 20 arranged at the right front corner and the left rear corner have a left-right configuration with respect to the first connecting members 20 arranged at the left front corner and the right rear corner. They have the same configuration except that they are arranged in reverse.

As shown in FIGS. 2, 3A, and 3B, the first connecting member 20 includes a main body portion 21, and a first connecting portion 22S and a second connecting portion 22S extending from the main body portion 21 in mutually orthogonal directions. A portion 22L and a third coupling portion 22M are provided. Specifically, the first coupling portion 22S extends from the rear surface of the main body portion 21 with an extension length L1 (see FIG. 5). The second coupling portion 22L extends from the lower surface of the main body portion 21 by a length of L2 (see FIGS. 5 and 7), and the third coupling portion 22M extends from the right side surface by a length of L3 (see FIG. 7). reference). As shown in FIGS. 5 and 7, in this embodiment, the extension lengths of the first to third coupling portions 22S, 22L, and 22M are configured to satisfy L1>L2>L3.

As shown in FIG. 2, the first coupling portion 22S is coupled with the first frame member 10S by being inserted inside the first frame member 10S. Similarly, the second connecting portion 22L is connected to the second frame member 10L by being inserted into the second frame member 10L, and the third connecting portion 22M is connected to the third frame member 10M by being inserted into the third frame member 10M. Combined with 10M.

At this time, the first frame member 10S is arranged so that the surface in which the connecting hole 17 is opened faces upward. Also, the second frame member 10L is arranged so that the two surfaces with the connecting holes 11 open face inward. Also, the third frame member 10M is arranged so that the surface in which the connecting hole 17 is opened faces upward.

As described above, according to the frame 1 according to the present embodiment, the outer surfaces of the frame members 10S, 10L, and 10M do not have openings on the front, rear, left, and right surfaces of the frame 1, thereby simplifying the appearance. It consists of That is, by improving the design of the frame 1, it is possible to enhance the impression when the user visually recognizes the frame 1. FIG.

As shown in FIGS. 3 and 5, welding surfaces 23 are formed on the upper and lower surfaces of the first coupling portion 22S. Further, as shown in FIGS. 4 and 5, the first welding holes 12 are opened in two places on the upper surface and the lower surface of the first frame member 10S, respectively. The first joint portion 22</b>S is inserted into the first frame member 10</b>S, and the first frame member 10</b>S is welded to the welding surface 23 through the first welding hole 12 . As a result, the first coupling portion 22S is firmly coupled with the first frame member 10S.

As shown in FIGS. 4 and 5, a first plate nut member 14L is fixed inside the second frame member 10L. Specifically, second welding holes 13 are opened in the front and rear surfaces of the second frame member 10L. The first plate nut member 14L is welded to the second frame member 10L through the second welding hole 13 while being inserted into the second frame member 10L.

As shown in FIGS. 3 and 5, the first connecting member 20 is provided with a first through hole 25L penetrating through the body portion 21 and the second connecting portion 22L. The first bolt member 15L is inserted through the first through hole 25L. The first bolt member 15L passes through the second coupling portion 22L, and the male screw portion is screwed with the first plate nut member 14L. As a result, the second coupling portion 22L is firmly coupled with the second frame member 10L.

As shown in FIGS. 3 and 4, two insertion protrusions 24L are formed on the right side of the lower end surface of the second coupling portion 22L. Two insertion holes 16L into which the insertion projections 24L can be inserted are formed on the right side of the first plate nut member 14L. Then, when the second connecting portion 22L is inserted into the second frame member 10L in a normal posture, the insertion convex portion 24L is inserted into the insertion hole 16L as shown in FIG. When the second coupling portion 22L is inserted in a different posture with respect to the second frame member 10L, the insertion convex portion 24L is not inserted into the insertion hole 16L, and the second coupling portion 22L and the second frame member 10L are separated. becomes incombinable.

As described above, in the frame 1 according to the present embodiment, the second connecting portion 22L and the second frame member 10L can be connected only in a predetermined posture. This prevents the second frame member 10L from being attached to the second joint portion 22L in the wrong orientation (for example, in an orientation in which the surface on which the connecting hole 11 is opened faces the outside of the frame 1). . That is, when the second frame member 10L and the second coupling portion 22L are coupled, the two surfaces of the second frame member 10L having the connecting holes 11 always face inward.

As shown in FIGS. 6 and 7, a second plate nut member 14M is fixed inside the third frame member 10M. Specifically, second welding holes 13 are opened in the upper and lower surfaces of the third frame member 10M. The second plate nut member 14M is welded to the third frame member 10M through the second welding hole 13 while being inserted into the third frame member 10M.

As shown in FIGS. 3 and 7, the first connecting member 20 is provided with a second through-hole 25M penetrating through the body portion 21 and the third connecting portion 22M. A second bolt member 15M is inserted through the second through hole 25M. Then, the second bolt member 15M passes through the third coupling portion 22M, and the male screw portion is screwed with the second plate nut member 14M. As a result, the third coupling portion 22M is firmly coupled with the third frame member 10M.

In this embodiment, as shown in FIG. 17, the extension line of the axial center of the first bolt member 15L and the second bolt member 15M are arranged to intersect. Therefore, the third frame member 10M is assembled to the third joint portion 22M of the first connecting member 20 after the second frame member 10L is assembled to the second joint portion 22L.

As shown in FIGS. 3 and 6, two insertion protrusions 24M are formed on the lower side of the right end surface of the third coupling portion 22M. Also, two insertion holes 16M into which the insertion protrusions 24M can be inserted are formed on the lower side of the second plate nut member 14M. When the third coupling portion 22M is inserted into the third frame member 10M in a normal posture, the insertion protrusion 24M is inserted into the insertion hole 16M as shown in FIG. When the third coupling portion 22M is inserted in a different posture with respect to the third frame member 10M, the insertion convex portion 24M is not inserted into the insertion hole 16M, and the third coupling portion 22M and the third frame member 10M are separated. becomes incombinable.

As described above, in the frame 1 according to the present embodiment, the third coupling portion 22M and the third frame member 10M can be coupled only in a predetermined posture. This prevents the third frame member 10M from being attached to the third coupling portion 22M in the wrong orientation (for example, in an orientation in which the surface of the connecting hole 17 faces a direction other than the upper side of the frame 1). are doing. That is, when the third frame member 10M and the third coupling portion 22M are coupled, the surface of the third frame member 10M with the connecting hole 17 opened always faces upward.

In the present embodiment, the second joint portion 22L functions as "one joint portion" according to the present invention, and the second frame member 10L functions as "one frame member" according to the present invention. Also, the third joint portion 22M functions as the "other joint portion" according to the present invention, and the third frame member 10M functions as the "other frame member" according to the present invention.

The configuration in which the third connecting portion 22M and the third frame member 10M (the same applies to the second connecting portion 22L and the second frame member 10L, and the same applies hereinafter) can be connected only in a predetermined posture is described above. It is not limited. For example, on the opposite side (right side in this embodiment) of the third frame member 10M, there is a first connecting member 20 (hereinafter referred to as "another first connecting member 20") at the front right corner of the upper portion of the frame 1. The insertion projection 24M of the third coupling portion 22M may be inserted into the insertion hole 16M of the second plate nut member 14M only when the two are coupled in a predetermined posture.

Specifically, the third frame member 10M is attached to the first connecting member 20 in a posture in which the second connecting portion 22L of the other first connecting member 20 extends in the same direction as the second connecting portion 22L of the first connecting member 20 concerned. It is also possible to make it possible to insert the insertion protrusion 24M into the insertion target hole 16M only when the connection member 20 and another first connection member 20 are combined. In other words, the frame 1 cannot be assembled if the first connecting member 20 and the third frame member 10M are assembled in an incorrect posture. As a result, the third coupling portion 22M and the third frame member 10M can be coupled together only in a predetermined posture. Therefore, it is possible to prevent the third frame member 10M from being attached to the third coupling portion 22M in the wrong posture.

In the frame 1 according to the present embodiment, the second connecting portion 22L is configured to be unconnectable with the third frame member 10M, so that the second frame member 10L and the third frame member 10M are mistyped and the first The possibility of attachment to the connecting member 20 is reduced. Specifically, as shown in FIG. 7, the distance G3 between the body portion 21 and the second plate nut member 14M when the third joint portion 22M and the third frame member 10M are joined is the same as the second joint portion 22L is formed to be shorter than the extension length L2 from the main body portion 21 . Therefore, when attempting to connect the second connecting portion 22L to the third frame member 10M, the second connecting portion 22L interferes with the second plate nut member 14M and cannot be attached. As a result, when the second frame member 10L and the third frame member 10M are assembled to the first connecting member 20, the possibility of attaching the second frame member 10L and the third frame member 10M by mistake can be reduced. That is, it is possible to simplify the work for assembling the frame 1 and shorten the assembling time.

Further, as shown in FIG. 7, the distance G2 between the body portion 21 and the first plate nut member 14L when the second joint portion 22L and the second frame member 10L are joined is the same as that of the third joint portion 22M. The extension length B of the second bolt member 15M from the body portion 21 when coupled with the third frame member 10M is longer than or equal to B. Therefore, when attempting to connect the third connecting portion 22M to the second frame member 10L, the second bolt member 15M cannot reach the first plate nut member 14L and cannot be attached. As a result, when the second frame member 10L and the third frame member 10M are assembled to the first connecting member 20, the possibility of attaching the second frame member 10L and the third frame member 10M by mistake can be further reduced. .

As described above, according to the frame 1 according to the present embodiment, the thicknesses and cross-sectional shapes of the frame members 10S, 10L, and 10M are unified to suppress the processing cost, and the second frame member 10L and the third frame member This reduces the possibility of attaching the wrong type of 10M.

In this embodiment, as shown in FIGS. 5 and 7, the distance G2 between the body portion 21 and the first plate nut member 14L and the distance G3 between the body portion 21 and the second plate nut member 14M are set to the It is formed to be smaller than the extension length L1 of the one coupling portion 22S. As a result, the first connecting portion 22S, the second frame member 10L and the third frame member 10M are configured to be unconnectable.

In the present embodiment, the first connecting portion 22S and the first frame member 10S are configured to be connected by welding, but are configured to be connected by a plate nut member and a bolt member like the other connecting portions 22L and 22M. is also possible. Even in this case, by adjusting the relationship between the extension length of the connecting portion and the distance between the main body portion and the plate nut member, it is possible to connect the connecting portion and the frame member according to a specific combination. .

Moreover, in this embodiment, the first plate nut member 14L and the second plate nut member 14M, and the first bolt member 15L and the second bolt member 15M use parts common to each other. As a result, the number of types of parts is reduced, and the manufacturing cost of the frame 1 is suppressed.

Next, the connection structure of the first frame member 10S and the second frame member 10L by the second connection member 30 in the lower part of the frame 1 will be described with reference to FIGS. 8 to 11. FIG. 8 to 11 show the second connecting member 30 at the left front corner of the lower portion of the frame 1. As shown in FIG. In this embodiment, the second connecting members 30 arranged at the left front corner and the right rear corner have the same configuration. In addition, the second connecting member 30 arranged at the right front corner and the left rear corner has a left and right configuration with respect to the second connecting member 30 arranged at the left front corner and the right rear corner. They have the same configuration except that they are arranged in reverse.

As shown in FIGS. 8, 9(a) and (b), the second connecting member 30 includes a body portion 31, and a first coupling portion 32S and a second coupling portion 32L extending in a direction perpendicular to the body portion 31. Prepare. Specifically, the first coupling portion 32S extends from the rear surface of the main body portion 31 with an extension length L1 (see FIG. 11). A second coupling portion 32L extends from the upper surface of the main body portion 31 with an extension length L2 (see FIG. 11). As shown in FIG. 11, in this embodiment, the extension lengths of the first and second coupling portions 32S and 22L are configured to satisfy L1>L2. As shown in FIGS. 8 and 9, one surface (the right side surface in FIGS. 8 and 9) of the second connecting member 30 adjacent to the surface from which the first coupling portion 32S and the second coupling portion 32L extend has a second Two connecting holes 36, which are used when assembling the beam member 50M to the frame 1, are opened.

As shown in FIG. 8, the first coupling portion 32S is coupled with the first frame member 10S by being inserted inside the first frame member 10S. Similarly, the second coupling portion 32L is coupled with the second frame member 10L by being inserted into the second frame member 10L. At this time, the first frame member 10S is arranged so that the surface on which the connecting holes 11 are opened faces upward.

As shown in FIGS. 9 and 11, weld surfaces 33 are formed on the upper and lower surfaces of the first coupling portion 32S. The first joint portion 32</b>S is inserted into the first frame member 10</b>S, and the first frame member 10</b>S is welded to the welding surface 33 through the first welding hole 12 . As a result, the first coupling portion 32S is firmly coupled with the first frame member 10S.

As shown in FIGS. 10 and 11, a first plate nut member 14L is fixed inside the second frame member 10L. The first plate nut member 14L is welded to the second frame member 10L through the second welding hole 13 while being inserted into the second frame member 10L.

As shown in FIGS. 9 and 11, the second connecting member 30 is provided with a through hole 35L passing through the body portion 31 and the second connecting portion 32L. The first bolt member 15L is inserted through the through hole 35L. The first bolt member 15L passes through the second coupling portion 32L, and the male screw portion is screwed with the first plate nut member 14L. As a result, the second coupling portion 32L is firmly coupled with the second frame member 10L.

As shown in FIGS. 9 and 10, two insertion protrusions 34L are formed on the right side of the upper end surface of the second coupling portion 32L. Two insertion holes 16L into which the insertion projections 34L can be inserted are formed on the right side of the first plate nut member 14L. Then, when the second connecting portion 32L is inserted into the second frame member 10L in a normal posture, the insertion convex portion 34L is inserted into the insertion hole 16L as shown in FIG. When the second coupling portion 32L is inserted in a different posture with respect to the second frame member 10L, the insertion convex portion 34L is not inserted into the insertion hole 16L, and the second coupling portion 32L and the second frame member 10L are separated. becomes incombinable.

As described above, in the frame body 1 according to the present embodiment, the second connecting portion 32L and the second frame member 10L can be connected only in a predetermined posture. This prevents the second frame member 10L from being attached to the second joint portion 32L in the wrong position (for example, in a position in which the surface on which the connecting hole 11 is opened faces the outside of the frame 1). . That is, when the second frame member 10L and the second coupling portion 32L are coupled, the two surfaces of the second frame member 10L having the connecting holes 11 always face inward.

In this embodiment, as shown in FIG. 11, the distance G2 between the main body portion 31 and the first plate nut member 14L is formed to be smaller than the extension length L1 of the first coupling portion 32S. As a result, the first connecting portion 32S and the second frame member 10L are configured to be unconnectable.

In the present embodiment, the first joint portion 32S and the first frame member 10S are configured to be joined by welding, but may be configured to be joined by a plate nut member and a bolt member like the second joint portion 32L. It is possible. In this case, by adjusting the relationship between the extension length of the connecting portion and the distance between the body portion and the plate nut member, it is possible to connect the connecting portion and the frame member according to a specific combination. In this way, even in the connecting member that connects two frame members, one connecting portion can be connected to one frame member and cannot be connected to the other frame member, and the other connecting portion can be connected to the other frame member. It is also possible to adopt a configuration that can be coupled with the frame member of the.

Next, using FIGS. 12 to 14, knockdown furniture 1A to 1C according to first to third embodiments configured using the frame 1 will be described.

The knockdown furniture 1A according to the first embodiment shown in FIG. 12 is configured as a desk unit. In the knockdown furniture 1A, the first beam members 50S are assembled to the left and right sides of the second frame member 10L of the frame 1, the axial direction of which is oriented in the front-rear direction. The first beam member 50S is a square tube member formed by bending a metal plate, like the frame members 10S, 10L, and 10M. Central portions of the two first beam members 50S are connected by a support beam member (not shown). By fixing the top plate 51 to the upper surfaces of the two first beam members 50S and the support beam members, the knockdown furniture 1A is configured as a desk unit.

In addition, the central portions of the two first frame members 10S facing each other on the lower side of the frame 1 are connected by an intermediate beam member 52. As shown in FIG. By connecting the intermediate beam member 52 and the support beam member with the support member 53, the load applied to the top plate 51 is supported. In this embodiment, a partition plate 54 is attached to the intermediate frame member 40 of the frame 1 .

The knockdown furniture 1B according to the second embodiment shown in FIG. 13 is configured as a chair unit. In the knockdown furniture 1B, the first beam members 50S are assembled to the left and right sides of the second frame member 10L of the frame 1, the axial direction of which is oriented in the front-rear direction. A first panel member 55 is assembled between each first beam member 50S and the lower first frame member 10S.

In addition, the second beam member 50M with its axial direction directed in the horizontal direction is assembled to the rear second frame member 10L. Like the first beam member 50S, the second beam member 50M is a rectangular tubular member formed by bending a metal plate. The frame body 1 in this embodiment has a third frame member 10M arranged in the lower rear part, and is connected to the first frame member 10S and the second frame member 10L by the first connecting member 20 (see FIG. 14). . A second panel member 56 is assembled between the second beam member 50M and the lower third frame member 10M. Furthermore, by arranging a chair 57 in a space surrounded by the first panel member 55 and the second panel member 56, the knockdown furniture 1B is configured as a chair unit.

The knockdown furniture 1C according to the third embodiment shown in FIG. 14 is configured as an OA equipment unit. In the knockdown furniture 1C, instead of the chair 57 in the knockdown furniture 1B according to the second embodiment, an OA device 58 is arranged in a space surrounded by a first panel member 55 and a second panel member 56. Thereby, the assembly furniture 1C is configured as an OA equipment unit.

The type of assembled furniture constructed using the frame 1 is not limited to the above-described first to third embodiments, and can be constructed in a variety of ways according to the user's intentions. For example, by changing options to be assembled to the frame 1, it is possible to construct the assembled furniture as a bookshelf, a clothes rack, a display shelf, a dining table, a storeroom, and the like.

Next, a configuration in which a plurality of pieces of knockdown furniture 1A are arranged in a row will be described with reference to FIGS. 15 and 16. FIG. As shown in FIGS. 15 and 16 , when connecting pieces of knockdown furniture 1</b>A adjacent to each other, the connecting holes 17 in the adjacent frame bodies 1 are connected by connecting tools 60 . The connector 60 in this embodiment is a member made of resin, and has two protruding pins 61 formed on its lower surface. As shown in FIG. 16, by inserting the pin 61 of the connector 60 into each of the adjacent connecting holes 17, the adjacent assembly furniture 1A is connected.

According to the frame 1 of the present embodiment, the connecting holes 17 are formed in the first frame member 10S and the third frame member 10M, respectively. Therefore, as shown in FIGS. Even when the four corners are gathered in one place and connected together, the four connecting tools 60 can be used to connect all the pieces of knockdown furniture 1A.

Connection holes 17 are formed at the same distance from the corners of the frame 1 at both ends of the upper surfaces of the first frame member 10S and the third frame member 10M. Therefore, even when one frame 1 is rotated by 90 degrees as shown in FIG. can. That is, according to the frame 1 according to the present embodiment, when connecting a plurality of frames 1, the connection holes 17 can be connected to each other regardless of how the frames 1 are arranged.

Further, as shown in FIG. 12, the distance D1 between the connecting holes 17 opened in the first frame member 10S and the connecting holes 17 opened at the end of the third frame member 10M and the connecting holes 17 are spaced apart from each other. It is formed so that the interval D2 between the adjacent connecting holes 17 is equal. As a result, even when the longitudinal direction of the frame 1 is rotated by 90 degrees as shown in FIG.

1 Frame body (frame body of assembled furniture)
1A Assembled furniture (first embodiment)
1B Assembled furniture (second embodiment)
1C Assembled furniture (third embodiment)
10S first frame member
10L Second frame member (first frame member)
10M third frame member (other frame member)
11 connecting hole 12 first welding hole
13 Second weld hole 14L First plate nut member
14M Second plate nut member 15L First bolt member
15M Second bolt member 16L First insertion hole
16M second insertion hole 17 connecting hole
20 first connecting member (connecting member)
21 body portion 22S first joint portion
22L second joint (one joint)
22M third joint (other joint)
23 Welding surface 24L First insertion protrusion
24M Second insertion protrusion 25L First through hole
25M Second through hole 30 Second connecting member
31 body portion 32S first joint portion
32L Second joint 33 Welding surface
34L first insertion protrusion 35L through hole
36 connecting hole 37 fixing hole
40 Intermediate frame member 41 Leg member
50S First beam member 50M Second beam member
51 Top plate 52 Intermediate beam member
53 support member 54 partition plate
55 first panel member 56 second panel member
57 Chair 58 OA equipment
60 connector 61 pin
L1~3 extension length G2~3 distance
D1-2 Spacing material

Claims (7)

A first frame member that is a square tube member, a second frame member that is a square tube member provided perpendicular to the first frame member, and a square tube member provided perpendicular to the first frame member and the second frame member A frame for assembly furniture, comprising: a third frame member that is a square tube member; and a connecting member that connects at least two of the first frame member, the second frame member, and the third frame member. being a body,
The connecting member includes a main body, one connecting portion extending from the main body, and the other connecting portion extending from the main body in a direction orthogonal to the one connecting portion,
The one connecting portion is connectable to one of the first frame member, the second frame member, and the third frame member, and is not connectable to the other frame members. ,
The other connecting portion is connectable with the other frame member ,
A first plate nut member is fixed inside the one frame member,
A first bolt member passing through the one coupling portion is screwed into the first plate nut member to couple the one coupling portion and the one frame member,
A second plate nut member is fixed inside the other frame member,
A second bolt member passing through the other coupling portion is screwed into the second plate nut member to couple the other coupling portion and the other frame member,
The distance between the main body portion and the second plate nut member when the other joint portion and the other frame member are joined is greater than the extension length of the one joint portion from the main body portion. The frame body of assembled furniture is formed to be small . The distance between the main body portion and the first plate nut member when the one connecting portion and the one frame member are connected is the distance between the other connecting portion and the other frame member. 2. The frame of knockdown furniture according to claim 1 , wherein said second bolt member is formed to have a length equal to or greater than the extending length of said second bolt member from said main body portion. A first frame member that is a square tube member, a second frame member that is a square tube member provided perpendicular to the first frame member, and a square tube member provided perpendicular to the first frame member and the second frame member A frame for assembly furniture, comprising: a third frame member that is a square tube member; and a connecting member that connects at least two of the first frame member, the second frame member, and the third frame member. being a body,
The connecting member includes a main body, one connecting portion extending from the main body, and the other connecting portion extending from the main body in a direction orthogonal to the one connecting portion,
The one connecting portion is connectable to one of the first frame member, the second frame member, and the third frame member, and is not connectable to the other frame members. ,
The other connecting portion is connectable with the other frame member ,
At least two of the first frame member, the second frame member, and the third frame member have connecting holes at the same distance from the corners of the frame at both ends of the faces positioned on the same horizontal plane. The frame body of assembled furniture in which is opened . A first frame member that is a square tube member, a second frame member that is a square tube member provided perpendicular to the first frame member, and a square tube member provided perpendicular to the first frame member and the second frame member A frame for assembly furniture, comprising: a third frame member that is a square tube member; and a connecting member that connects at least two of the first frame member, the second frame member, and the third frame member. being a body,
The connecting member includes a main body, one connecting portion extending from the main body, and the other connecting portion extending from the main body in a direction orthogonal to the one connecting portion,
the one connecting portion is connectable to one frame member out of the first frame member, the second frame member, and the third frame member;
the other connecting portion is connectable to the other frame member out of the first frame member, the second frame member, and the third frame member;
at least one set of the one connecting portion and the one frame member and the other connecting portion and the other frame member can be connected to each other only in a predetermined posture ,
at least one set of the one coupling portion and the one frame member and the other coupling portion and the other frame member,
A plate nut member is fixed inside the frame member,
The joint portion and the frame member are joined by screwing together a bolt member passing through the joint portion and the plate nut member,
A frame body for assembled furniture, wherein one of the connecting portion and the plate nut member is formed with an insertion projection, and the other is formed with an insertion hole into which the insertion projection can be inserted. A first frame member that is a square tube member, a second frame member that is a square tube member provided perpendicular to the first frame member, and a square tube member provided perpendicular to the first frame member and the second frame member A frame for assembly furniture, comprising: a third frame member that is a square tube member; and a connecting member that connects at least two of the first frame member, the second frame member, and the third frame member. being a body,
The connecting member includes a main body, one connecting portion extending from the main body, and the other connecting portion extending from the main body in a direction orthogonal to the one connecting portion,
the one connecting portion is connectable to one frame member out of the first frame member, the second frame member, and the third frame member;
the other connecting portion is connectable to the other frame member out of the first frame member, the second frame member, and the third frame member;
at least one set of the one connecting portion and the one frame member and the other connecting portion and the other frame member can be connected to each other only in a predetermined posture ,
at least one set of the one coupling portion and the one frame member and the other coupling portion and the other frame member,
A plate nut member is fixed inside the frame member,
A bolt member passing through the joint portion of the connecting member is screwed into the plate nut member to join the joint portion and the frame member,
The other connecting member can be coupled to the opposite side of the frame member,
one of the connecting portion and the plate nut member of the connecting member is formed with an insertion protrusion, and the other is formed with an insertion hole;
A frame body for knockdown furniture, wherein the insertion projection can be inserted into the insertion hole when the other connecting member is coupled to the opposite side of the frame member in a predetermined posture. A first frame member that is a square tube member, a second frame member that is a square tube member provided perpendicular to the first frame member, and a square tube member provided perpendicular to the first frame member and the second frame member A frame for assembly furniture, comprising: a third frame member that is a square tube member; and a connecting member that connects at least two of the first frame member, the second frame member, and the third frame member. being a body,
The connecting member includes a main body, one connecting portion extending from the main body, and the other connecting portion extending from the main body in a direction orthogonal to the one connecting portion,
the one connecting portion is connectable to one frame member out of the first frame member, the second frame member, and the third frame member;
the other connecting portion is connectable to the other frame member out of the first frame member, the second frame member, and the third frame member;
at least one set of the one connecting portion and the one frame member and the other connecting portion and the other frame member can be connected to each other only in a predetermined posture ,
At least two of the first frame member, the second frame member, and the third frame member have connecting holes at the same distance from the corners of the frame at both ends of the faces positioned on the same horizontal plane. The frame body of assembled furniture in which is opened . A first frame member that is a square tube member, a second frame member that is a square tube member provided perpendicular to the first frame member, and a square tube member provided perpendicular to the first frame member and the second frame member A frame for assembly furniture, comprising: a third frame member that is a square tube member; and a connecting member that connects at least two of the first frame member, the second frame member, and the third frame member. being a body,
The connecting member includes a main body, one connecting portion extending from the main body, and the other connecting portion extending from the main body in a direction orthogonal to the one connecting portion,
The one connecting portion is connectable to one of the first frame member, the second frame member, and the third frame member, and is not connectable to the other frame members. ,
The other connecting portion is connectable with the other frame member,
A first plate nut member is fixed inside the one frame member,
A first bolt member passing through the one coupling portion is screwed into the first plate nut member to couple the one coupling portion and the one frame member,
A second plate nut member is fixed inside the other frame member,
A second bolt member passing through the other coupling portion is screwed into the second plate nut member to couple the other coupling portion and the other frame member,
The distance between the main body portion and the second plate nut member when the other joint portion and the other frame member are joined is greater than the extension length of the one joint portion from the main body portion. is also formed small,
at least one set of the one coupling portion and the one frame member and the other coupling portion and the other frame member,
The one or the other coupling portion and the one or the other frame member are coupled by screwing a bolt member penetrating the one or the other coupling portion with the first or second plate nut member,
Either one of the one or the other coupling portion and the first or second plate nut member is formed with an insertion projection, and the other is formed with an insertion hole into which the insertion projection can be inserted. A frame body of knockdown furniture that can be combined with each other only in a predetermined posture.

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