JP3423142B2 - Floor expansion joint - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention covers a space between floors of opposing building frames and covers the space with a cover strip made of stainless steel or brass and an extruded aluminum material. The present invention relates to a floor expansion joint in which a back strip and a back plate are superposed.

[0002]

2. Description of the Related Art Heretofore, as a floor expansion joint of this type, those disclosed in Japanese Utility Model Publication No. 3-6726 and Japanese Patent Application Laid-Open No. 59-224745 have been proposed. In all of these floor expansion joints, the cover material that covers the gap between the floor skeletons has a structure in which the front strip and the back strip are polymerized and fixed, and the front strip and the back strip are fixed with screws. It was Further, the back strip plate is overlapped and fixed on the back strip plate by clamping the back strip plate end.

[0003]

However, in the former case, the work of fixing the front strip and the back strip with screws is troublesome and troublesome, and the screws may loosen due to temperature change or vibration generated on the floor. It was Further, the latter has a play in fitting because it is sandwiched, and a gap is generated between both strips, causing deformation of the front strip.

The present invention solves the above problems and allows the front and back strips to be easily overlapped and fixed by fitting, and the fitting allowance can be adjusted even if there is a dimensional error. It is an object of the present invention to provide a floor expansion joint capable of reliably performing the above-mentioned steps and obtaining a good polymerization state.

[0005]

In order to solve the above-mentioned problems, a floor expansion joint according to the present invention is a floor expansion joint covered in a space between opposing building structures including a floor structure, wherein The cover material for covering is composed of a front strip made of stainless steel or brass and a back strip made of aluminum extruded on the front strip, and the side edge of the front strip is L-shaped downward. And a groove is formed on the side end surface of the back strip so as to be fitted to the fitting edge, and the groove is engaged between the groove and the upper surface of the back strip. A toe is formed, and the width dimension (XA) inside the fitting edge of the front strip and the outside of the locking edge of the back strip
Width dimension (XB) of XA-XB> 0, height of mating edge of front strip (YA), height of groove of back strip (YB) and thickness of locking edge (Yc) And are formed so that YA ≦ YB + Yc.

[0006]Also, The floor expansion joint
Is,EnteringIn the gap between the wall frame and the floor frame of the building that constitutes the corner
A covered floor expansion joint,Up
The cover material that covers the gap is made of stainless steel or brass.
Surface strip and aluminum extrusion profile polymerized on this surface strip
It is composed of the back plate ofThe front strip is a wall front strip that follows the wall frame
A front strip for the floor along the board and the floor frameAnd fromAs it forms
With the above wall front strip,Polymerized back strip on the bottom of the floor strip
While connecting andFar from the corner of the floor strip above
An L-shaped fitting edge is formed downward on the side edge of the
On the side end surface of the plate, a groove that fits the above-mentioned fitting edge is outward
Form an opening and lock between this groove and the upper surface of the back strip
Forming a rim,Insert the end of the floor surface strip on the corner side into the wall
Sandwiched between the front and back strips, Above L-shaped mating edge and back
Form a gap between the locking edge of the strip and fit the front strip
Edge height (YA) and groove height of back strip (YB) and locking edge
Is the thickness (Yc) of YA ≤ YB + Yc It may be configured to be formed as follows.

[0007] Similarly, it is preferable to set the YB> Yd is the thickness of the mating edge of the front strips and grooves Article height of the back strip (YB) (Yd).

Further , a ridge is formed on the lower surface of the front strip,
It is preferable that a receiving strip for receiving the convex strip is formed on the upper surface of the back strip, and the height (ZA) of the convex strip and the height (ZB) of the receiving strip are set to ZB> ZA.

Furthermore, the ridges of the width of the table strip the (SA) and the back strip of the receiving strip width (SB) is preferably set to SB> SA.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a cross section of a floor expansion joint, in which reference numeral 1 is a floor skeleton of a building, and a cover member 3 covers a space S between the floor skeletons 1 and 1 facing each other. ing.

A support plate 4 is provided at the end of the floor frame 1 on the side of the gap S.
Are fixed at intervals, and locking portions 5 and 6 are formed at the end and the upper portion of the support plate 4, respectively, and the locking portion 8 of the support member 7 is engaged with these locking portions 5 and 6. It is fixed. The support member 7 is a long member, and the fitting groove 10 of the water stop plate 9 is provided in the lower portion on the gap S side thereof, and the support edge 11 is provided above the fitting groove 10.
Are formed. Further, a horizontal surface portion 12 is formed on the upper portion of the support member 7, and an elastic floor material 13 such as rubber is attached to the upper portion so as to be flush with the floor surface.

The cover member 3 is attached to the support member 7 of the floor skeleton 1 via a spring member 14. The spring member 14 is substantially W-shaped and has locking grooves 1 at both ends and the central part.
5, 16 are formed, the locking grooves 16 on both sides are locked to the supporting edge 11 of the support member 7, and the central locking groove 15 is locked to the locking edge 17 protruding downward from the center of the cover member 3. ing.

The cover material 3 includes a front strip 3a and the front strip 3a.
It is composed of a back strip 3b superposed on a. The front strip 3a is made of stainless steel or brass, and has an anti-slip 18 formed on the upper surface thereof, and an L-shaped fitting edge 19 (not necessarily L-shaped) formed at the side edge downward. ing.

The back strip 3b is made of an extruded aluminum material, and a groove 20 is formed outward at the side edge of the back strip 3b, and a locking edge 21 is formed between the groove 20 and the upper surface of the back strip 3b. Are formed.

[0015] Then, the above table strip 3a polymerized on top of the back strip 3b, attached together by fitting the mating edge 19 of the front strip 3a in the grooves 20 of the backing strip 3b There is. The cover material 3 having the above structure is arranged between the two elastic floor materials 13 on the horizontal plane portion 12 of the support member 7.

Further , a plurality of ridges 2 are formed on the opposite side of the anti-slip 18 which is formed in a plurality of lines in the lengthwise direction of the front strip 3a and arranged in parallel.
2, a groove-shaped receiving strip 23 for receiving the convex strip 22 is formed on the upper surface of the back strip 3b.

[0017] As described above, since the cover member 3 can be easily polymerized fixed crowded fitted in adjustable tolerance inlaid between the backing strip 3b Table strip 3a, is possible to omit troublesome screwing work Therefore, the cost can be reduced. Moreover, since it is fixed by fitting, even if there is a temperature change or vibration due to different materials of the front strip 3a and the back strip 3b, the front strip 3
There is no loosening of the screw fixing state between the a and the back strip 3b, and the inconvenience that the front strip 3a comes off or the side end portions of both strips are not properly fitted to each other is effectively prevented. be able to.

Further, since it is possible to adjust the allowable amount of fitting between the convex strips 22 on the lower surface of the front strip 3a and the receiving strips 23 of the back strip 3b, the manufacturing dimensions of the front strip 3a and the back strip 3b can be adjusted. error,
Problems such as twisting are prevented, and the polymerization state is stable.

By the way, the case of fixing by inlaid a front strip 3a and the back strip 3b, deformation such as dimensional error or twisted mating edge 19 and the grooves 20 of the backing strip 3b table strip 3a is If it occurs, the fitting work caused by the long length becomes troublesome. Therefore, the dimensions of each part of the front strip 3a and the back strip 3b are set as follows.

First, as shown in FIG. 2, the front strip 3a.
The inner width dimension (XA) of the fitting edge 19 and the outer width dimension (XB) of the locking edge 21 of the back strip 3b are XA-XB> 0, and the fitting edge 19 of the front strip 3a. Height (YA) and back strip 3
Height (YB) of groove 20 of b and thickness (Yc) of locking edge 21
Are formed so that YA≤YB + Yc.

[0021] Thus, simply preventing deformation due to the load burden when riding and human by contacting the rear surface of the front strip 3a on the upper surface of the locking edge 21, Ryoobiban 3a, the inter-3b gap It is possible to prevent the generation of sound by turning off the sound.

Next, the groove line 20 of the back strip 3b height (Y
B) and the thickness (Yd) of the fitting edge 19 of the front strip 3a are formed so that YB> Yd.

[0023] Thus, the fitting becomes easier the mating edge 19 of the front strip 3a in the grooves 20 of the backing strip 3b. Further, the lower end surface of the fitting edge 19 is not caught on the lower surface of the groove 20 of the back strip 3b, and the fitting edge 19 is fitted in the groove 20 while being adjusted by an allowable amount. It will be locked. Further, the two strips 3a and 3b are long, so that even if the strips are deformed such as twisted or have a dimensional error, the fitting work is easy, and the front strip 3a and the back strip 3b are easy to fit. The polymerization state of is always good.

Furthermore, receiving the lower surface of the table strip 3a below the slip 18 (or not shown on the upper surface) of the ridge 22 is formed, for receiving the ridge 22 on the upper surface of the backing strip 3b In addition to forming the strip 23, the height (ZA) of the convex strip 22 and the height (ZB) of the receiving strip 23 are formed so that ZB> ZA.

[0025] As a result, the condition receiving the distal end portion of the ridge 22 is 2
Since it does not hit the bottom of the groove of No. 3, it is easy to fit, and there is no gap between the front strip 3a and the back strip 3b always contacting each other. The deformation can be prevented and the polymerization can be reliably supported.

Although not shown, when the receiving strip is formed on the upper surface, a convex strip may be formed.

[0027] The width of the projections 22 of the table strip 3a (S
A) and the width (SB) of the receiving strip 23 of the back strip 3b are formed so that SB> SA.

[0028] As a result, it is possible to adjust the the fitting of the Article 23 receives the ridge 22.

[0029] FIG. 3 is another example of a fixing manner between the front strip 3a and the back strip 3b, the side edge portion of the front strips 3a acute angled, C-shaped, bent in such S-shaped The formed fitting edge 19 is formed. The groove 20 of the back strip 3b is opened outward, and an engaging portion 20a is formed in the lower portion of the opening end, and is formed in a dovetail shape as a whole. The receiving strip 23 on the upper surface of the back strip 3b is formed wide.

In this example, the bending for bending the fitting edge 19 of the front strip 3a is reduced to improve the productivity. Also, in this example, except for the conditions of the height (YB) of the groove 20 of the back strip 3b and the wall thickness (Yd) of the fitting edge 19 of the front strip 3a,
The manner of fixing the front strip 3a and the back strip 3b and the dimensions of each part are set similarly to those shown in FIG.

[0031] Next, FIG. 4 is a floor expansion joint that is Kutsugae設the gap S between the Kabemukurotai 2 and Yukamukurotai 1 building constituting inside corner, in the bed expansion joints, front strip 3a Is configured by connecting a wall surface strip plate 3a1 along the wall body 2 and a floor surface strip plate 3a2 along the floor structure 1. Also, the front strip plate 3a1 for wall
The lower part of the plate is bent at a substantially right angle, and this bent part is superposed on the side end of the back strip 3b and is bolted, whereby it is superposed on the lower parts of the wall front strip 3a1 and the floor front strip 3a2. Back strip 3
It is connected to b. The side edge 24 of the floor surface strip 3a2 on the inner corner side is sandwiched between the side edges of the wall surface strip 3a1 and the back strip 3b connected by the bolts.

The wall surface band plate 3a1 is formed in a C shape, and an airtight member 25 that abuts the wall frame 2 is fitted to the end of the wall band plate 3a1. Reference numeral 26 is an engaging edge formed on the support member 7.

[0033] The above sandwich structure, floor table strip 3a2 is stably fixed on the back strip 3b.

Further , the front surface strip 3a1 for wall and the front surface strip 3a for floor.
2 is a separate structure, and the front band plate 3a1 for the wall is the back band plate 3
Since the structure is connected to b, it is possible to easily form the uneven shape of the anti-slip 18 and the convex strip 22 having the uneven shape on the lower surface or the concave surface on the floor strip 3a2 for floor.

The manner of fixing the front surface band plate 3a2 for the floor and the back band plate 3b and the dimensions of each part are set in the same manner as shown in FIG.

According to the cover member 3 constituting the above construction correspond becomes easy for the entrance corners of the cover member 3. Further, the uneven shape of the front strip 3a can be easily obtained.

[0037] FIG. 5 is another example of a fixing manner between the front strip 3a and the back strip 3b, mating edge of the side end portion of the front strip 3a 19
The groove 20 of the back strip 3b has the same structure as in FIG. Therefore, also in this example, another example in which the height (YB) of the groove 20 of the back strip 3b is maintained, and the thickness (Yd) of the fitting edge 19 of the front strip 3a and the front strip 3a2. Except for the condition that the side end 24 on the inner corner side of the plate is securely clamped with bolts, the front strip 3
The manner of fixing the a and the back strip 3b and the dimensions of each part are set in the same manner as shown in FIG.

[Brief description of drawings]

FIG. 1 is a sectional view of a floor expansion joint according to the present invention.

FIG. 2 is an enlarged view of the main part of the floor expansion joint.

FIG. 3 is a cross-sectional view of another example of the floor expansion joint.

FIG. 4 is a cross-sectional view of an example of a floor expansion joint provided in the inner corner frame.

FIG. 5 is a cross-sectional view of an example of a floor expansion joint of another example provided on the entry corner body.

[Explanation of symbols]

1 floor structure 2 wall frame 3 cover material 3a front strip 3b Back strip 19 Mating edge 20 groove 21 Locking edge

   ─────────────────────────────────────────────────── ─── Continued front page       (56) Reference Bibliography 3-33105 (JP, U)                 Actual Development Sho 55-156139 (JP, U)                 61-49820 (JP, U)

Claims (5)

(57) [Claims] 1. In a floor expansion joint covered in a gap between opposing building skeletons including a floor skeleton, a cover material for covering the gap is a stainless steel or brass front strip and this front strip. And a back strip of an aluminum extruded material that is superposed on the back strip. An L-shaped fitting edge is formed downward on the side edge of the front strip, and the fitting is formed on the side edge of the back strip. A groove that fits on the edge is formed outward, and a locking edge is formed between this groove and the upper surface of the back strip, and the width of the inside of the fitting edge of the front strip is (XA) and the outer width dimension (XB) of the locking edge of the back strip are XA-XB> 0, and the height of the fitting edge of the front strip (YA) and the height of the groove of the back strip are high. A floor expansion joint characterized in that the thickness (YB) and the thickness of the locking edge (Yc) are YA ≦ YB + Yc. 2.EnteringThe wall structure and floor structure of the building that compose the corner
With a floor expansion joint covered in the gap of
ThereThe cover material that covers the gap is made of stainless steel or brass
Front strip and aluminum extrusion die polymerized on this front strip
Composed of a back strip of material, The front strip is a table for the wall along the wall structure.
A strip for the floor along with the strip and the floor frameAnd fromWith forming
And the front strip for the wall,Polymerized back on bottom of floor strip
While connecting with the strip,From the inside corner of the floor strip above
An L-shaped fitting edge is formed downward on the side edge on the far side.
On the side end surface of the back strip, there is a groove on the outside
An opening is formed in one direction, and between this groove and the upper surface of the back strip.
Forming a locking edge,Place the end of the above-mentioned floor surface strip on the inside corner side
Hold it between the front and back strips for wall, Above L-shaped mating edge
And a locking edge of the back strip, form a gap between
It is related to the height of the mating edge (YA) and the height of the groove on the back strip (YA).
The thickness of the toe (Yc) YA ≤ YB + Yc A floor characterized by being formed to Expanse
Joint. 3. The floor expansion joint according to claim 1, wherein the height (YB) of the groove on the back strip and the thickness (Yd) of the fitting edge of the front strip are YB> Yd. 4. forming a ridge underneath surface of the table strip receives to form a receiving condition for receiving the ridge on the upper surface of the backing strip, the height of the convex and (ZA) Article height (ZB)
The floor expansion joint according to claim 1, wherein is ZB> ZA . 5. The floor expansion joint according to claim 1, wherein the width (SA) of the convex strip of the front strip and the width (SB) of the receiving strip of the back strip are SB> SA .