JP3388073B2 - Joint support structure and associated legs - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint support structure for temporarily holding joint material of a holding concrete provided on the upper surface of a slab such as a rooftop, and to a supporting member (leg) thereof.

[0002]

2. Description of the Related Art After a waterproof treatment is applied to the upper surface of a slab such as a rooftop or a heat insulating layer is further provided, a holding concrete is poured. At this time, the top surface of the holding concrete should be sloped so that rainwater can be drained smoothly. For this reason, it is necessary to provide a slope on the upper surface of the joint material of the holding concrete.

As a means for providing a gradient on the upper surface of the joint material, the applicant of the present application discloses, in Japanese Patent Laid-Open No. 7-109820, as shown in FIGS. A joint structure support structure has been proposed in which the joint joint material 1 is fixed, a cap 3 is movably covered on the upper portion of the joint joint material 1, and the cap 3 is supported on the upper surface of the heat insulating layer A by legs 4 fixed.

In this technique, as shown in FIG. 7, by moving the cap 3 up and down, the height of the upper surface of the cap 3 is adjusted so as to be flush with the upper surface of the concrete B,
The cap 3 is fitted on the heat insulating layer A on the upper end of the leg 4 for fixing the pin 5, and is fixedly supported. At this time, in order to surely prevent the cap 3 from slipping off (moving), the support pin 6 is attached to the cap 3
And is inserted into the joint material 1.

[0005]

In the above prior art, the insertion of the support pin 6 is troublesome, and a request for improvement has been made. In other words, there was a request to reduce the work man-hours.

An object of the present invention is to substantially reduce the step of inserting the conventional support pin 6 described above.

[0007]

In order to solve the above problems, the present invention supports the cap shown in FIGS. 7 to 9 by legs, and the cap has longitudinal ribs or grooves on its side surface. The leg has a fitting portion at the upper end that fits in the rib or groove, and a fixing portion at the lower end that is fixed to the slab. The fitting portion and the fixing portion are bent to the leg. In the support structure of the joint material that is freely connected, the following points are configured.

A pin protruding from the fitting portion of the leg is inserted into the joint material.

[0009] In the structure of this invention, the legs are arranged on both sides of the cap, that give the arrangement shifted its position so as not to the same axis pins of the legs.

[0010] Another aspect of the present invention, after the insulation layer provided on the slab top surface, such as the roof, a leg to be used for the support structure of the joint member according to the first aspect for fixing the joint member thereon, The configuration consists of the following points.

The upper end has a fitting portion that fits in the rib or groove, and the lower end has a fixing portion fixed to the heat insulating layer.

The fitting portion and the fixing portion are bendably connected to the upper and lower ends of the leg.

The fixing portion is provided with a fixing pin via a flexible connecting member, and a hole through which the fixing pin penetrates is formed.

A pin to be inserted into the joint material is projectingly provided on the fitting portion.

[0015] In the configuration of this, the position of the pin, Ru configuration and to obtain <br/> are offset in one direction from the transverse direction center of the fitting portion.

[0016]

According to the invention thus constructed, the pin is inserted into the joint material at the same time when the leg fitting portion is fitted into the cap, and the cap is jointed by inserting the pin and fitting the fitting portion. Securely fix the position on the material.

At this time, when the legs are provided on both sides of the cap, if the pins are misaligned, both pins will not hit.

[0018]

[Effect] The present invention is configured as described above, and the following effects are obtained by the above operation.

Since the conventional support pin can be inserted and inserted simultaneously with the fitting of the leg fitting portion to the cap,
Work man-hours are reduced and workability is improved.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIGS. 1 and 2, a joint material 1 has a leg portion 2 which serves as a fixed base on the lower side thereof.
The joint material 1 can be stably stood by the legs 2. The material includes a resin molded product such as rubber and vinyl chloride, and a plastic foam such as urethane, polyethylene, polypropylene and polystyrene.

The cap 10 is made of a flexible resin and has a U-shaped cross section, and is placed on the joint material 1. By adjusting the covering degree, the upper surface of the cap 10 and the upper surface of the pressing concrete layer B are flush with each other in accordance with the inclination degree of the upper surface of the pressing concrete B. In the figure, 13 is a butyl tape.

The side surface of the cap 10 has a length of 3
A rib 11 of a strip is provided, and a fitting portion 21 of a leg 20, which will be described later, is fitted into this rib 11. The number of ribs 11 is arbitrary and may be provided intermittently instead of continuously over the entire length of the cap 10.

The leg 20 is a rigid body, and as shown in FIG. 3, a fitting portion 21 having a U-shaped cross section at its upper end and a fixing portion 22 at its lower end.
Have. The connecting portion 21 of the fitting portion 21 and the fixing portion 22
The a and 22a are thin and bendable, and do not give a strong restoring force even when the fitting portion 21 and the fixing portion 22 have an arbitrary angle with respect to the leg 20.

A pin 16 is projectingly provided on the fitting portion 21 of the leg 20. The pin 16 is displaced from the center in the longitudinal direction to one side, and as shown in FIGS. When inserted, both pins 16 are prevented from hitting.

A pin plate 24 is provided on the fixing portion 22 of the leg 20 via a string 23, and the pin plate 24 has four pins 25. A band may be used instead of the string 23, and the pin plate 24 (pin 2
You will never lose 5). On the other hand, a hole 26 through which each pin 25 penetrates is formed in the fixing portion 22, and as shown in FIGS. 1 and 2, each pin 25 is passed through the hole 26 and the heat insulating layer A is formed.
To fix the fixing portion 22. Pin 25, hole 26
The number and position of are arbitrary. A butyl tape (adhesive tape) with release paper is provided on the back surface of the fixing portion 22. Legs 20,
The fitting portion 21, the fixing portion 22, the string 23, the fixing pin 25, and the like are integrally formed of resin.

This embodiment is configured as described above. As shown in FIGS. 1 and 2, after the joint material 1 is fixed to the heat insulating layer A by the fixing pin 17, first, the joint of the cap 10 is fixed. The height of the upper surface of the cap 10 is adjusted depending on the degree of covering the material 1. In FIG. 2, P is a slab and D is a waterproof layer.

Next, the fitting portion 21 of the leg 20 is fitted into the rib 11, and the support pin 16 is inserted into the joint material 1,
The fixing portion 22 is inserted and fixed to the heat insulation layer A with the pin 25, and the leg 20 supports the cap 10 and the joint material 1. At this time, the ribs 11 to be fitted are appropriately selected so that the legs 20 have an inclination angle that supports the cap 10 most stably. As shown in FIG. 6, the lower edge of the fitting portion 21 is the rib 1
Even if it is disengaged from 1, the upper edge is fitted with the rib 11 and the support pin 1
The insertion of 6 does not hinder the support. If the butyl tape is temporarily fixed before inserting the pin 25, the leg 20 does not move during the inserting, and the support of the cap 10 is accurate. The fixing portion 22 can be used even when inverted as shown by the chain line in FIG. The legs 20 are attached at appropriate positions in the longitudinal direction on both side surfaces of the cap 10.

In the above-mentioned embodiment, the joint material 1 which can stand on its own is used. However, similar to the above-mentioned publication, a base 2 is separately provided, and a base 2 (leg portion) is directly formed on the heat insulating layer A, It goes without saying that the present invention can be adopted even if the joint material 1 and the heat insulating layer A are integrated. At this time, the height of the upper surface of the cap 10 can be adjusted by the degree of covering the joint material 1 of the cap 10 and the degree of fitting of the joint material 1 to the base. The cap 10 may be covered with a cover.

In the above embodiment, the heat insulation method in which the heat insulation layer A is formed is used. However, when the heat insulation layer A is not interposed,
For example, when the fixing portion 22 is directly fixed to the waterproof layer or the leveling mortar, the pin 25 cannot be used, and thus the fixing portion 22 is fixed with a butyl tape or a separate adhesive.

The lower end of the leg 20 may be fixed with mortar as in the above-mentioned publication. In this case, the base may be the waterproof layer D or the leveled mortar layer, and the stopper of the fixing portion 22 may be used. Is composed of mortar, legs 20
Can swing vertically with respect to its stopper (mortar). The lower end of the leg 20 has a shape that is easily fixed by mortar such as a rod. At this time, the joint material 1 can also be temporarily fixed with mortar. Further, the structure of the rib 11 and the fitting portion 21 may be a groove instead of the rib as in the above-mentioned publication. Furthermore, the rib 11 or groove of the cap 10 does not need to have a plurality of lines, and may have a single line.

[Brief description of drawings]

FIG. 1 is a perspective view of an essential part of an embodiment.

FIG. 2 is a cut front view of the same embodiment.

FIG. 3 is a perspective view of a leg of the same embodiment.

FIG. 4 is a partial perspective view of the leg viewed from an oblique rear side.

FIG. 5 is a perspective view of a fixing pin according to the same embodiment.

FIG. 6 is a cutaway front view of another usage mode of the same embodiment.

FIG. 7 is a perspective view of a main part of a conventional example.

FIG. 8 is a perspective view of a leg of the conventional example.

FIG. 9 is a perspective view of a support pin of the conventional example.

[Explanation of symbols]

1 joint material 2 base (leg) 3, 10 cap 4, 20 legs 6, 16 Support pin 11 ribs 17 Joint material fixing pin 21 Fitting part 22 Fixed part 21a, 22a Connection part 23 string 24-pin board 25 fixing pin 26 holes A heat insulation layer D waterproof layer P slab

─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Ryozo Sawanishi 24-10 Eki-cho, Suita-shi Yamade Co., Ltd. (72) Inventor Takashi Inoue 24-10 Eki-machi Suita-shi Yamade, Inc. (72) Inventor Shu Inoue 24-10 Ekimachi, Suita City Yamade Co., Ltd. (56) Reference JP-A-7-109820 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) E04D 11/00

Claims (2)

(57) [Claims] 1. A presser concrete B joint material 1 is fixed to the upper surface of a slab such as a rooftop, and a cap 1 is provided on the joint material 1.
Both sides of this cap 10
The surface respectively <br/> supported with the same leg 20 of the fixed slab top surface, the cap 10 has a rib 11 or groove in the longitudinal direction on its side surface, Jokiashi 20, the rib at its upper end 11 or a fitting portion 21 that fits in a groove, and a fixing portion 22 that is fixed to the slab at the lower end.
And the fixed portion 22 is connected to the leg 20 in a freely bendable manner 21a,
A support structure for joint fillers which are 22a, a pin 16 projecting from the both sides from the fitting portion 21 of the legs 20 which support each of the cap 10 is inserted into the joint member 1 and the two pins 16 is the lateral direction of the fitting portion 21
It is characterized in that it is not shifted from the center to one side so as not to be on the same axis . Wherein such a roof after providing an insulating layer A to the slab upper surface thereon, a leg 20 to be used for the support structure of the joint compound of claim 1, wherein for fixing the joint member 1, the following point~
And the position of the pin 16 below is
The feature is that it is displaced from the center of the fitting part 21 in the lateral direction to one side.
What to collect . The upper end has a fitting portion 21 that fits in the rib 11 or the groove, and the lower end has a fixing portion 22 fixed to the heat insulating layer A. The fitting part 21 and the fixing part 2
Reference numeral 2 is a bendable connection 21a, 22a to the upper and lower ends of the leg 20.
Has been done. The fixing portion 22 is provided with a fixing pin 25 via a flexible connecting strip 23, and
A hole 26 is formed through which the fixing pin 25 passes.
The fitting portion 21 is provided with a pin 16 protruding from the joint material 1.