JPH04116537U - Floor plate support device - Google Patents

Abstract

(57) [Summary] [Structure] The upper part of the female threaded member (4) is expanded to form an adhesive reservoir (10) between it and the adjustment bolt (3). Further, an adhesive guide groove (9) extending in the axial direction is formed in the threaded portion (3b) of the adjustment bolt (3). [Effect] After adjusting the height of the floor plate support member (5) with the adjustment bolt (3), when the adhesive (12) is injected into the adhesive reservoir (10), the adhesive (12) will flow into the guide groove. enters into the threaded part through (9). As a result, the bolt (3) and the female threaded member (4) are firmly bonded, and it is possible to effectively prevent the occurrence of deflection of the floorboard due to the involuntary rotation of the bolt (3).

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea is suitable for some applications, such as concrete floor slabs in buildings. Tatami, carpet, cushion floor, wooden floor on uneven floor surface It is used for purposes such as laying floorboards with good levelness, including floor finishing materials such as The present invention relates to a floor plate support device.

0002

[Conventional technology]

As shown in Fig. 8, this type of floor plate support device has conventionally been used for earthquake resistance. An adjustment bolt (52) is rotatably installed on the rubber ground base (51). A rectangular floor plate support member (54) is integrally installed on the female screw member (53) screwed onto the Those that have been prepared are used. In addition, an adhesive sheet is placed on the top surface of the floor plate support member (54). (55) is provided.

0003 The work of laying a floorboard using this floorboard support device (50) is performed as follows. Immediately Using multiple floor plate support devices (50), multiple base panels (B) are attached to the floor slab. It is supported at a predetermined height position above the tube (A). At this time, each floor plate support device (50) The support of the base panel (B) shall be carried out at the periphery of the same panel (B), and , and the base panels (B) by leaving a predetermined gap between them. so that the top surface of the adjustment bolt (52) of the floor plate support device (50) is exposed to the outside from between. do. Next, use a screwdriver to rotate the adjustment bolts (52) of each support device (50). Adjust the height of the base panel (B) so that it is horizontal. , and then tighten the bolt (52) to prevent it from becoming misadjusted due to inadvertent rotation. Fix the (52) and female thread member (53) with adhesive. After that, the base panel Lay out the laminated plywood (C) on top of the plywood (C), and place flooring, etc. on the plywood (C). Place the floor finishing material (D) and complete the laying work.

0004 Conventionally, the bolt (52) and the female threaded member (53) were fixed with adhesive. Apply adhesive to the threaded part of the bolt (52) in advance and screw it into the female threaded member (53). method, or glue it to the top part of the bolt (52) after screwing it together and adjusting the height. Methods such as injecting drugs were used.

[0005]

[Problem that the idea aims to solve]

However, if adhesive is applied to the bolt (52) in advance, it can be attached to the female threaded member (53). With the method of screwing together the adhesive, the adhesive may adhere to other objects during work, contaminating the surrounding area, or causing damage to the work. There were problems such as getting the driver's hands dirty or the driver getting dirty.

[0006] In addition, in the method of injecting adhesive after adjusting the height, the adhesive It accumulates only on the top of the screw thread (52) and does not spread to the inside of the threaded part, ensuring sufficient adhesive strength. I can't get the degree. Therefore, after installing the floorboards, bolts (52) caused by vibrations from walking etc. This resulted in misadjustment due to the involuntary rotation of the motor.

[0007] This idea solves the above-mentioned drawbacks of the conventional technology, and it It is possible to eliminate adhesive stains caused by adhesion to the surrounding area, and it is also suitable for height adjustment. To provide a floor plate support device capable of providing sufficient adhesive strength between a bolt and a female threaded member. The purpose is to

[0008]

[Means to solve the problem]

For the above purpose, this invention includes a base that is in contact with the ground, and a base that is rotatably erected on the base. A height adjustment bolt and a female screw member screwed into the bolt are integrated into the height adjustment bolt. In a floorboard support device consisting of a floorboard support member that has been cut off, An expanded portion is provided above the female threaded portion of the female threaded member, and the expanded portion An adhesive pool is formed between and the height adjustment bolt to open the upper end, and At least one of the outer surface of the threaded portion of the bolt and the inner surface of the threaded portion of the female threaded member. On one side, an adhesive guide groove is provided which is continuous in the axial direction and whose upper end communicates with the adhesive reservoir. The gist of this invention is a floorboard support device characterized by being made up of:

[0009]

[Effect]

In the above-mentioned floor plate support device, the ground-contact base is placed on the slab surface, and the adjustment bolts are After adjusting the relative positional relationship in the height direction with the female threaded member to an appropriate value at , inject adhesive into the adhesive reservoir from above. Then, the adhesive enters the guide groove. It is guided and moves into the threaded part. This allows the height adjustment bolt and female thread member to The bond with the adhesive becomes strong.

0010

【Example】

Next, an example will be described.

[0011] In the floor plate support device shown in FIGS. 1 and 2, (2) is a ground-contact base, (3 ) is the height adjustment bolt, (4) is the internal thread member, (5) is the floor plate support member, (6) is the It's a washer.

0012 The ground-contact base (2) is made of rubber and fits perfectly on the concrete floor slab surface (A). It is designed to provide protection against earthquakes and serve as an earthquake prevention function. And in the center of the top is provided with a hole (2a) for inserting the base end of the height adjustment bolt (3). A washer (6) is arranged around the opening of the hole (2a).

[0013] The adjustment bolt (3) has a flange (3a) integrally provided on the outer peripheral surface on the proximal side of the intermediate portion. A male threaded portion (3b) is formed above it. And the flange (3a ) is inserted into the hole (2a) of the ground base (2), and the flange ( 3a) is supported on the top surface of the ground base (2) via the rotating washer (6). As a result, the adjustment bolt (3) is rotatably erected on the ground base (2). It is said that the In addition, (3d) is formed on the top surface of the adjustment bolt (3). It is a minus-shaped groove that engages with a screwdriver. And this adjustment bolt ( In 3), the shaft of the bolt (3) is attached to the outer periphery of the male threaded part (3b) over its entire length. Two adhesive guiding grooves (9) are provided that extend continuously in the linear direction.

[0014] On the other hand, the female thread member (4) is a short cylindrical body, and the inner circumference of the lower end cylindrical part is A female threaded portion (4a) is formed, and the male threaded portion of the adjustment bolt (3) is attached to the female threaded portion (4a). (3b) are screwed together. The upper end cylinder part connected to the lower end cylinder part is enlarged in diameter. It is formed into an enlarged part (4b) whose inner diameter is larger than that of the adjustment bolt (3), and this enlarged part An adhesive reservoir communicating with the guide groove (9) is provided between the portion (4b) and the adjustment bolt (3). (10) is formed.

[0015] The floor plate support member (5) has a mounting through hole (14) in the center and is glued on the top surface. It is made of water-resistant plywood provided with a sheet (11), and the upper half of the female thread member (4) is The part is inserted into the mounting hole (14), and the flange (4c) on the outer periphery of the enlarged diameter part (4b) With the lower surface supported, a caulked portion (4d) is formed at the upper end of the female threaded member (4). and is integrally attached to the female threaded member (4).

[0016] The work of laying floorboards using the floorboard support device (1) with the above configuration is carried out as follows. Ru. That is, a plurality of floorboard support devices in which the height position of the floorboard support member (5) is roughly adjusted. Prepare (1). Using these floorboard support devices (1), multiple floorboards are Place the floor panel (B) (for example, width/length 450 mm, thickness 15 mm) on the floor slab (A). It is supported at a predetermined height position on both sides. At this time, as shown in Figure 3, each floor plate The base panel (B) is supported by the support device (1) at the periphery of the panel (B). At the same time, leave a specified gap between the base panels (B) and The top surface of the adjustment bolt (3) of each floor plate support device (1) is exposed to the outside through the gap. be exposed to. In the supported state, the gap between the base panels (B) through the base panel, rotate the adjustment bolt (3) with a screwdriver from above, and Adjust the height of the floor plate support member (5) so that (B) is in a horizontal state. and, Although not shown, fix the base panel (B) and floor plate support member (5) by nailing. , and then the adhesive reservoir (10) of each support device (1) as shown in FIG. Inject the specified amount of adhesive (12) into the This allows the adhesive (12) to move through the guide groove (9). As it flows downward, it also penetrates into the valleys of each screw thread. As a result, The adjustment bolt (3) and the female threaded member (4) are firmly bonded. Then the base Place the sacrificial plywood (C) on the panel (B), and place flooring etc. on top of it. Place the floor finishing material (D). With the above steps, the work of laying the floorboards is completed.

[0017] In another embodiment shown in FIG. The flange (4c) of (4) is provided at the lower end of the female threaded member (4), and The portion (4d) also constitutes the expanded portion (4b). A configuration like this The height adjustment range of the floor plate support member (5) is expanded in the direction of the slab surface (A). can do.

[0018] In the embodiment shown in FIG. The female screw member mounting hole (14a) is made to fit the outer peripheral surface of the member (4), and the upper half is A stepped through hole (14b) with a larger diameter than the screw member mounting hole (14a). 14) is formed. On the other hand, the female thread member (4) has a flange (4c) at its lower end. ), the length approximately matches the length of the female thread member mounting hole (14a), and A thread is formed over the entire length of the inner circumference. And the female threaded part The material (4) is installed with the flange (4c) supporting the lower surface of the floor plate support member (5). The bolt (3) is fitted into the hole (14a), and the bolt (3) is screwed into the female threaded member (4). between the expanded hole (14b) of the floor plate support member (5) and the bolt (3). An adhesive reservoir (10) is provided in the holder.

[0019] In the embodiment shown in FIG. 6, the female screw member (4) is a floor plate receiving member (5). When inserted into the central through hole (14), its upper end will be on top of the floor plate support member (5). By expanding the protrusion (4e) into an inverted conical shape, It also serves as the caulking part (4d) for attachment to the floor plate receiving member (5) and the formation of the widening part (4b). It is considered to be a lie. With this configuration, the above protrusion (4e) can be connected to the base panel ( It can be used for positioning the base panel (B), keeping the base panel (B) at regular intervals to keep it orderly and efficient. It can be placed well.

[0020] In addition, the embodiment shown in FIG. 7 uses the base panel (B) in the above embodiment. Used as a floor plate receiving member (13) (for example, width/length 900 mm, thickness 15 mm), A plurality of female screw members (4) are integrally attached to this floor plate receiving member (13), and each female An adjustment bolt (3) is screwed into a screw member (4).

[0021] Note that the guide groove (9) in each of the above embodiments is not adjustable for convenience in processing. Although it is formed on the side of the adjustment bolt (3), it is formed on the side of the female threaded member (4) or the adjustment bolt. It may be formed on both the root (3) and the female threaded member (4).

[0022] Example 1 Two guides with a width and depth of 1.5 mm are attached to the adjustment bolt (3) with a diameter of 9.0 mm. Floorboard of the invention as shown in Figure 1, having grooves (9) and adhesive reservoirs (10) Using the support device (1), apply one-component polyurethane adhesive (viscosity After injecting 1.5 g of 200 poise (20°C) and leaving it at 20°C for 72 hours, When the torque was measured, it was 100 to 150 kg·cm. This torque is Appropriate torque that exceeds the approximately 30 kg/cm torque required for floor plate support devices of this type. Ta.

[0023] Comparative example 1 The conventional floorboard shown in Fig. 8, which has neither guide grooves nor adhesive reservoirs. Use the support device (50) and apply one-component polyurethane adhesive to the adjustment bolt (52). After applying the agent (viscosity 200 poise (20°C)), apply it to a female threaded member of a predetermined length. (53) and left it at 20℃ for 72 hours, then measured the torque. It was 130 to 160 kg/cm. In this way, the torque was sufficient, but during work, Considerable care was required to avoid staining with adhesive.

[0024] Comparative example 2 Using the same floor plate support device (50) as in Comparative Example 1, adjust the adjustment bolt (52) after adjusting the height. Apply the same one-component polyurethane adhesive (viscosity 200 poise (20℃) to the head part of the ) was injected and left at 20℃ for 72 hours, and the torque was measured. The weight was 2 kg/cm, which was inappropriate as it was lower than the standard value of 30 kg/cm.

[0025]

【Effect of the invention】

As described above, according to the floor plate support device of this invention, after height adjustment using bolts, , when the adhesive is injected into the adhesive reservoir, the adhesive is guided into the guide groove and inside the threaded part. The bolt and the female threaded member are firmly bonded together. Therefore, the bolts after floorboards are installed It is possible to effectively prevent height deviation due to involuntary rotation of the seat.

[0026] In addition, once a predetermined amount of adhesive is injected into the adhesive reservoir, the rest will be automatically released by its own weight, etc. Since it enters the guide groove, there is no need to spend time injecting adhesive, which improves work efficiency. You can improve your performance.

[0027] Moreover, adhesive is applied to the bolt before screwing it into the female threaded member. Since there is no need to use a method that is It can eliminate adhesive stains.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a floorboard support device according to an embodiment.

FIG. 2 is an exploded perspective view of the floorboard support device.

FIG. 3 is a perspective view showing the floorboard support device in use.

FIG. 4 is a sectional view of a floorboard support device according to another embodiment.

FIG. 5 is an exploded perspective view of a floorboard support device according to still another embodiment.

FIG. 6 is a perspective view showing a usage state of a floorboard support device according to still another embodiment.

FIG. 7 shows a modification, in which Figure (A) is a sectional view of the floor plate support device, and Figure (B) is a perspective view of the same device.

FIG. 8 is a sectional view of a conventional floorboard support device.

[Explanation of symbols]

1...Floor plate support device 2...Front-touching base 3...Height adjustment bolt 4...Female thread member 4b...expanded part 5...Floor plate support member 9...Adhesive guide groove 10...Adhesive pool

Claims (1)

[Scope of utility model registration request] Claim 1: A ground-contact base, a height adjustment bolt rotatably erected on the base, and a floor plate holder integrally attached to the base via a female threaded member threaded onto the bolt. In a floor plate support device comprising a member, an expanded portion is provided above the female threaded portion of the female threaded member, and an adhesive reservoir with an open upper end is formed between the expanded portion and the height adjustment bolt. and at least one of the outer surface of the threaded portion of the bolt and the inner surface of the threaded portion of the female threaded member is provided with an adhesive guide groove that is continuous in the axial direction and whose upper end communicates with the adhesive reservoir. Characteristic floorboard support device.