JPH0978805A - Floor material joint structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to lockingly joint a side end of a floor material with a projected solid part, which is fitted from above and formed on the side end of the floor material and remove easily upward the side end of the floor material lockingly jointed with the projected solid part. SOLUTION: A projected solid part 2 is formed on the side end of one of floor materials 1 opposed to each other while the projected solid part forms a recessed offset area 3 which is opened in the housing lateral side and downward on the side end of the floor material 1. A curved laterally extruding blade spring 4 is provided on the lower part of this recessed offset area 3. One end 5 of this blade spring 4 is set as a free end while the other end 6 is fixed so that it may be elastically deformable. The projected solid part 2 is elastically locked with the upper side of the curved projection 7 of the blade spring 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor material joint structure in which side edges of floor materials facing each other are joined together.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, there is known a floor material joining structure in which side edges of floor materials (a) facing each other are joined together. In the floor material joint structure, a convex solid portion (b) is formed at a side end portion of one floor material (a) facing each other,
A concave solid portion (c) with which the convex solid portion (b) is engaged is formed at a side end of the other floor material (a), and the convex solid portion (b) and the concave solid portion (c) are formed. Are engaged with each other and the side end portions of the same floor material (a) are joined together.

Further, in this case, the floor material (a) is installed between the joists (d) arranged in the underfloor space, and the fixing nail (e) is provided at the convex portion (b) of the floor material (a). ) Is driven in, and the concave solid portion (c) of the floor material (a) adjacent to the convex solid portion (b) is engaged, and the plurality of floor materials (a) are sequentially placed on the joist (d). Installation fixed.

[0004]

However, in the above-mentioned prior art, the floor material (a) is shifted laterally and moved to form a concave solid portion (c) formed at the side end portion of the floor material (a). ) Is a convex solid portion (b) formed on the side edge of the adjacent floor material (a)
It is necessary to fit the floor materials (a) to each other side by side to join the plurality of floor materials (a) in sequence, and the joining work is troublesome, and the floor materials (a) after being joined must be removed. Was difficult.

The present invention has been invented to solve the above-mentioned problems in the prior art. That is, the problem is to insert the side end portion of the flooring material from above to fit the side end portion of the flooring material. It can be easily locked and joined to the convex solid portion formed on the side end portion of the adjacent floor material, and the side end portion of the floor material that is locked and joined to the convex solid portion can be easily removed upward. It is to provide a floor material joint structure that can be used.

[0006]

In the floor material joining structure according to claim 1 of the present invention, a convex solid portion is formed at a side end portion of one of the floor materials facing each other, and the convex solid portion is accommodated laterally. And a concave step portion that opens downward is formed at the side end of the other floor material, and a leaf spring protruding in a curved shape to the side is attached to the lower portion of the concave step portion, and the leaf spring is attached at one end thereof. The free end is fixed to the other end so as to be elastically deformable, and a convex solid part is elastically engaged with the upper side of the curved protruding part of the leaf spring.

Therefore, it is possible to easily join the side end portions of the floor material by fitting the concave step portions that are opened laterally and downward into the convex solid portion from above, and at that time, the concave step portions of the concave step portion can be easily joined. The curved protruding part of the leaf spring attached to the lower part is elastically engaged with the convex solid part so that the side edges of the floor material are securely joined together without rattling. It is possible to easily remove the side end portion of the flooring in which the concave step portion is formed by pulling out the concave step portion upward from the convex solid portion while deforming against it.

A floor material joint structure according to claim 2 of the present invention is
The floor material joining structure according to claim 1, wherein a lower end of the leaf spring is fixed to a back surface of the floor material, and a curved recessed portion is provided above the curved protrusion of the leaf spring so as to extend in a curved shape. It is characterized in that it has a convex part inside. Therefore, particularly in this case, when the lower end of the leaf spring is fixed to the back surface of the floor material and the upper end of the leaf spring becomes the free end, and the curved protruding portion of the leaf spring is elastically contacted with the convex solid portion to be attached / detached. In addition, the leaf spring is easy to escape to the upper end side which is the free end, and is easily elastically deformed. Moreover, the convex solid portion is well accommodated in the curved concave portion extending above the curved protrusion of the leaf spring. The rattling of the convex solid portion is reliably prevented.

A floor material joint structure according to claim 3 of the present invention is
In the floor material joint structure according to claim 1 or 2, the floor material is detachably installed on a joist material arranged in parallel in the underfloor space. Therefore, particularly in this case, the floor material can be detached from the joist material and formed and used as an inspection port for entering and exiting the underfloor space therebelow.

The floor material joint structure according to claim 4 of the present invention is
In the floor material joining structure according to any one of claims 1 to 3, a spring plate material that is bent in a lateral direction is attached to a side end portion of one of the floor materials facing each other, and a convex solid portion is provided. Is formed. Therefore, in this case, in particular, the curved projection of the leaf spring attached to the lower part of the concave step is deformed against the elasticity of the convex solid portion formed of the same spring plate material, and On the other hand, the concave step can be smoothly elastically adhered and detached, and when both are elastically engaged and locked, they are joined together without rattling.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment corresponding to claims 1 to 3 of the present invention. The floor material joining structure of the embodiment has a side end portion of one floor material 1 facing each other. The convex solid portion 2 is formed on the lower end of the concave step portion 3 by forming a concave step portion 3 which is housed in the convex solid portion 2 and which is opened laterally and downward at the side end portion of the other floor material 1. A leaf spring 4 protruding laterally is attached to the plate spring 4, and the leaf spring 4 is elastically deformable by setting one end 5 thereof as a free end and the other end 6 thereof to be elastically deformable. The convex solid part 2 is elastically engaged with the upper side of the.

In the floor material joining structure of the embodiment, the lower end which is the other end 6 of the leaf spring 4 is fixed to the back surface of the other floor material 1 and curved above the curved protrusion 7 of the leaf spring 4. A curved concave portion 8 that is recessed in an extended manner is provided so as to extend therein, and the convex solid portion 2 is housed in the curved concave portion 8. Further, the floor material 1 on the other side is detachably installed on the joist 10 arranged in parallel in the underfloor space 9. In this case, the one floor material 1 is fixedly installed on the joist 10 by driving a fixing nail 11 into the convex solid portion 2 of the floor material 1.

As shown in FIG. 2, the floor material 1 is made of a rectangular wood board, and a convex solid portion 2 is formed on one side end portion of the floor material 1 and a concave step portion is formed on the other side end portion thereof. 3 is formed to form the concave step portion 3
In addition, a plurality of leaf springs 4 are arranged and attached in the longitudinal direction at appropriate intervals. The leaf spring 4 is formed by bending a highly elastic band-shaped metal plate into a substantially S-shape, and has a curved projecting portion 7 at its lower portion and a curved concave portion 8 at its upper portion, which is elastically deformable. The other end of 4 is the screw 12 at the lower end.
Is attached and fixed to the back surface of the other side end of the floor material 1.

As shown in FIG. 3, the floor material 1 is arranged at the peripheral portion of the room. That is, in the middle of the room,
A normal floor material 1 having a convex solid portion 2 at one side end and a concave solid portion 13 at the other side end is fixed in parallel. In this case, the floor material 1 is installed between the joists 10 arranged in the underfloor space 9, the fixing nails 11 are driven into the convex solid portions 2 of the floor material 1, and the floor adjacent to the convex solid portions 2 is fixed. The concave solid portions 13 of the material 1 are engaged, and the plurality of ordinary floor materials 1 are sequentially installed and fixed on the joist 10. In addition, the floor material 1 is disposed at the peripheral portion of the room by appropriately cutting and removing the side end on the side where the convex solid portion 2 is formed, and adjusting the dimensions to fit the size of the room. . At that time, the cut end 15 of the floor material 1 is placed close to the wall surface 14 of the room and placed on the joist 10 and is covered and fixed by the skirting board 16 attached and fixed to the wall surface 14 in a good appearance. Has been done.

Further, as shown in FIG. 4, the floor material 1 can be laid on the entire middle part of the room. in this case,
The floor material 1 is placed and erected between joist materials 10 arranged in the underfloor space 9, and a concave step portion 3 is formed at a side end portion of the floor material 1 adjacent to the convex solid portion 2 of the floor material 1. Are fitted from above, and the plurality of floor materials 1 are detachably installed on the joist 10. In this case, it is possible to easily attach / detach any of the floor materials 1 by rotating the side end portion on which the concave step portion 3 is formed in the vertical direction.

Therefore, in the floor material joint structure of the embodiment, as shown in FIGS. 3 and 4, the concave step portion 3 which is opened laterally and downward is fitted into the convex solid portion 2 from above to easily. The side edges of the flooring material 1 can be joined together. or,
At that time, as shown in FIG. 1, the curved protruding portion 7 of the leaf spring 4 attached to the lower portion of the recessed step portion 3 is elastically engaged with the convex solid portion 2 so that the side end portions of the floor material 1 are joined to each other. Securely joined without rattling. Moreover, by removing the concave step portion 3 from the convex solid portion 2 so as to rotate upward while deforming the leaf spring 4 against its elasticity, the floor material 1 on which the concave step portion 3 is formed. The side edges of the can be easily removed.

Further, in the floor material joining structure of the embodiment, the lower end which is the other end 6 of the leaf spring 4 is fixed to the back surface of the floor material 1 and the upper end which is one end 5 of the leaf spring 4 becomes a free end. When the curved projecting portion 7 of the leaf spring 4 is elastically contacted with the convex solid portion 2 to be attached / detached, the leaf spring 4 easily escapes to the upper end side which is the free end and is elastically deformed easily. Moreover, the convex solid portion 2 is favorably accommodated in the curved concave portion 8 extending above the curved protruding portion 7 of the leaf spring 4, and the rattling of the convex solid portion 2 is reliably prevented. In addition, the floor material 1 is placed on the joist 10 arranged in parallel on the underfloor space 9.
Is detachably installed, and as shown in FIG. 3 and FIG.
The floor material 1 can be detached from the joist 10 and formed and used as an inspection port for entering and exiting the underfloor space 9 therebelow.

FIG. 5 shows another embodiment corresponding to all of claims 1 to 4 of the present invention. In the floor material joining structure of the embodiment, the side end portions of one floor material 1 facing each other are provided. A spring plate member 17 protruding in a curved shape to the side is additionally provided to form the convex solid portion 2. Therefore, in this case, in particular, the concave step portion 3
The curved protrusion 7 of the leaf spring 4 attached to the lower part of the spring is deformed against the elasticity of the convex solid portion 2 formed of the spring plate material 17 while the concave step portion 3 is formed against the convex solid portion 2. Can be smoothly elastically attached and detached, and when both are elastically engaged and locked, they are joined together without rattling.

Further, in this case, the spring plate member 17 has an upper end which is one end 5 as a free end and the other end 6 as in the plate spring 4.
The lower end is attached to and fixed to the back surface of the floor material 1 with screws 12. Further, any of the floor materials 1 is detachably installed on the joist 10 as in the construction state shown in FIG.
Other than that, the configuration is the same as that of the above-described embodiment, and the same operational effect as that of the above-described example is achieved.

FIG. 6 shows still another embodiment corresponding to claim 1 of the present invention. In the floor material joining structure of the embodiment, a cushion material 18 is attached to the back surface of the floor material 1. The floor material 1 is installed and fixed on a concrete base piece 19. Further, one end 5 of the leaf spring 4 is a lower end, and the other end 6 thereof is an upper end fixed to the inner side surface of the concave step portion 3 with a screw 12. The curved concave portion 8 in the form is not extended.

Other than that, the construction is substantially the same as that of the above-described embodiment. Therefore, also in the floor material joining structure of this embodiment, the concave step portion 3 is fitted into the convex solid portion 2 from above to easily perform the floor material. 1 side ends can be joined to each other, and at that time, the curved protruding portion 7 of the leaf spring 4 is elastically engaged with the convex solid portion 2 to rattle the side ends of the same floor material 1. Without being surely joined, and while deforming the leaf spring 4 against its elasticity, the concave step portion 3 is removed upward from the convex solid portion 2, and the floor material 1 in which the concave step portion 3 is formed is removed. The side edges of the can be easily removed.

[0022]

As described above, in the floor material joining structure according to the first aspect of the present invention, the concave step portion is fitted into the convex solid portion from above to easily join the side end portions of the floor material. At that time, the curved protruding portion of the leaf spring is elastically engaged with the convex solid portion so that the side end portions of the floor material are securely joined together without rattling, and the leaf spring is elastic. It is possible to easily remove the side end portion of the flooring in which the concave step portion is formed by pulling out the concave step portion upward from the convex solid portion while deforming against the above.

Further, in the floor member joining structure according to the second aspect of the present invention, particularly when the curved protruding portion of the leaf spring is elastically contacted with the convex solid portion to be attached / detached, the leaf spring forms a free end. It is easy to escape to the upper end side and is elastically deformed easily, and furthermore, the convex solid portion is favorably accommodated in the curved concave portion above the curved projection portion of the leaf spring, and rattling of the convex solid portion is surely prevented. .

Further, in the floor material joining structure according to the third aspect of the present invention, in particular, the floor material installed on the joist is detachably attached and used as an inspection port for entering and exiting the underfloor space thereunder. be able to.

Further, in the floor member joint structure according to claim 4 of the present invention, in particular, a spring plate member which is curved in a lateral direction together with a curved protrusion of a leaf spring attached to a lower portion of the concave step portion is used. While deforming the formed convex solid portion against its elasticity, the concave step can be smoothly elastically adhered to and removed from the convex solid portion. It will be joined without stalling.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of a flooring joint structure according to the present invention.

FIG. 2 is a perspective view showing a floor material in the floor material joint structure.

FIG. 3 is a schematic cross-sectional view showing one construction state of the floor material joint structure.

FIG. 4 is a schematic cross-sectional view showing another construction state of the floor material joint structure.

FIG. 5 is a sectional view showing another embodiment of the flooring joint structure according to the present invention.

FIG. 6 is a sectional view showing still another embodiment of the flooring joint structure according to the present invention.

FIG. 7 is a cross-sectional view showing a floor material joint structure as a conventional example.

[Explanation of symbols]

 1 Floor material 2 Convex solid part 3 Recessed step part 4 Leaf spring 5 One end 6 The other end 7 Curved projection part 8 Curved recessed part 9 Underfloor space 10 Joist material 17 Spring plate material

Claims (4)

[Claims] 1. A convex solid portion is formed at a side end portion of one of the floor materials facing each other, and a concave step portion, which is accommodated in the convex solid portion and is opened to the side and downward, is provided at the side end portion of the other floor material. And a plate spring protruding laterally in a curved shape is attached to the lower part of the recessed step portion, and the plate spring is elastically deformable by setting one end as a free end and fixing the other end. Floor material joining structure in which a convex solid part is elastically locked on the upper side of the curved protruding part. 2. A lower end of a leaf spring is fixed to a back surface of a floor material, a curved concave portion which is concaved in a curved shape is extended above a curved protruding portion of the leaf spring, and a convex solid portion is housed in the curved concave portion. The floor material joint structure according to claim 1, wherein 3. A floor material is detachably installed on a joist material arranged in parallel in the underfloor space.
The floor material joint structure described. 4. A convex solid portion is formed by attaching a spring plate material protruding in a curved shape to a side at a side end portion of one of the floor materials facing each other. A floor material joint structure according to one of the claims.