JP3244926B2 - Embedded member fixing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for fixing an embedded member to a concrete formwork. Specifically, when molding a concrete product, the locking member of the fixing member is engaged with the horizontal hole provided in the exposed part of the embedding member, and it is securely fixed to the mold by the force of the spring. The present invention relates to a device for easily releasing an embedded member by releasing a locking portion of a fixing member from a lateral hole.

[0002]

2. Description of the Related Art An apparatus for fixing an embedding member to a concrete product is disclosed in Japanese Utility Model Publication No. Sho 52-3179 according to the prior application of the present applicant.
No. 2, Japanese Utility Model Publication No. 57-40713, which discloses a device in which a rectangular hole is provided in an embedding member which is entirely embedded in a product, and a T-head is inserted into the rectangular hole from outside the mold. By inserting a fixing shaft having the following, the T-head is locked to the embedding member by rotating the shaft by 90 °, and the elasticity of the spring externally mounted on the shaft is embedded through the T-head. In addition to the members, the embedding member is fixed to the mold.

Therefore, in the above-mentioned conventional embedded member fixing device, a part of the embedded member is exposed from the concrete product, and another embedded member is fixed to the exposed portion by fixing the embedded portion to the formwork. There is a problem that cannot be done.

[0004]

SUMMARY OF THE INVENTION According to the present invention, a pair of pivot holes are formed in a lateral hole provided in an exposed portion of a member to be embedded in a concrete product.
Engaging the engaging portion of the formula fixing member, a spring to the fixed member
Embedding that can easily and securely fix the embedded member with the exposed part to the formwork by applying the pulling force
An object of the present invention is to provide a fixing device for a member .

[0005]

According to the present invention, there is provided an embedding member fixing device, wherein an embedding part for a concrete product is in a mold, and an embedding member is supported by a mold so that an exposed part goes out of the mold. A lateral hole provided in an exposed portion of the embedding member;
A pair of fixing members revolvable which is supported on the mold in relation position the locking portion can disengage into said transverse bore, actuate these fixing member as the locking portion is disengaged lateral hole The operating means and the pair of fixing members are pulled when the locking portion is engaged with the lateral hole.
And urge the embedded member to press against the formwork.
It is performed to resolve the problem by adopting the configuration which gave a that spring.

[0006]

The embedding member fixing device having the above-described structure is constituted by a pair of embedded members .
Fix the fixing member to the operating means so that the locking part does not engage with the side hole.
With more actuation, the embedding member is set in the mold such that the embedding portion is in the mold and the exposed portion is out of the mold . Then, the locking member is engaged with the side hole by the fixing member.
When operated by the operating means, the fixing member is
The lower part of the horizontal hole is
Press down. For this reason, the embedded surface of the embedded member
It is pressed against the surface and is easily and securely fixed to the mold.

When the embedding member is fixed to the form as described above, concrete is driven into the form to form a product. Then, when the product is released, when the fixing member is operated by the operating means so that the locking portion is disengaged from the lateral hole, the fixing of the embedded member to the mold is released, so that the embedded member releases the concrete product. Sometimes, it is easily detached from the mold.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an embedding member fixing device according to an embodiment of the present invention.

FIG . 1 shows a pair of L-shaped lever-type fixing members,
Upon actuation, as the engaging portion by the operation means of the cam type is disengaged from both sides in the transverse hole formed in the exposed portion of buried members co
The spring is used to press the embedded member against the formwork.
Some longitudinal sectional front view of the embodiment was energized. FIG. 2 is a partially longitudinal front view showing a partial modification of the embodiment shown in FIG. FIG. 3 is a side view of the same.

In the embodiment shown in FIG . 1, reference numeral 1 denotes an embedding member. This embedding member 1 has an embedding portion a to be embedded in a concrete product (not shown) and an exposed portion b exposed from the concrete product. The exposed portion b is provided with a lateral hole 2 for passing a connecting member such as a bolt for connecting the exposed portion b to another member, and the embedded member 1 is formed by molding a seat c shown by a dotted line into a concrete product. The embedding part a is in the form 3 in contact with the bottom surface of the form 3 to be formed, and the form 3 is supported by the form 3 so that the exposed part b comes out of the hole 4 provided in the form 3. .

[0011] code 5,5 is a pair of L-shaped lever as a fixing member for fixing the embedded member 1 to the mold 3, this
L-shaped levers 5 and 5 are attached to the holding member 6 attached to the formwork 3 at the shaft 7 at the center thereof, and the locking portion 8 provided at the upper part is the exposed portion b
Oppositely positioned so as to be located on both sides of the horizontal hole 2 provided in
In the lower part, a roller 9 which comes into contact with a cam described later is attached.

Reference numeral 10 denotes a cam as operating means for operating the L-shaped levers 5, 5. The cam 10 is attached to a shaft 11 horizontally arranged below the L-shaped levers 5, 5, and When the shaft 11 Ru rotated by manpower or a power cam
A portion having a large eccentric distance of 10 engages the rollers 9, 9 as shown by a chain line in FIG. 1 and pushes up the rollers 9, 9 to rotate the L-shaped levers 5, 5 outward as shown by a chain line. For this reason, the locking portions 8 are held at positions where they do not engage with the lateral holes 2 provided in the exposed portion b of the embedding member 1, so that the embedding member 1 can be set on the mold 3.

[0013] Therefore, the mold 3 sets embedded member 1, by engaging the eccentric distance is smaller portion of the cam 10 rotates the shaft 11 to the rollers 9 as shown by the solid line in FIG. 1
You. Then, L-shaped levers 5,5 are pivoted inward as shown by the solid line, both the drawn by the elastic force of the spring 12 which is connected as shown in FIG. 1, embedding the locking portions 8 members 1
This portion is engaged with the lower side of the horizontal hole 2 provided in the exposed portion b of
The embedding member 1 has a seat c
Is pressed into contact with the bottom surface of the mold 3 and is fixed to the mold 3.
The product can be formed by pouring concrete into concrete.

[0014] Figure 2, reference numeral 1 in the embodiment shown in FIG. 3
3 and 13, a pair of L-shaped lever embedding member 1 as a fixing member for fixing to the formwork 3, the L-shaped lever 1
As shown in FIG. 3, a pair of shafts 15, 13 are arranged at intervals corresponding to the two embedding members 1, 1 arranged in front and rear, and the lower part thereof is supported by a holding body 14 attached to the mold 3. And the engaging portion 16 provided on the upper portion is exposed portion b of the embedding member 1.
To be positioned on both sides of the lateral hole 2 provided in the
As shown in FIG. 3, the fixing members 13, 13 are connected to and linked with each other by a connecting shaft 17 below a plurality of adjacent locking portions 16, 16.

Reference numerals 18, 18 denote the L-shaped levers 13, 1
3 at the end face cam serving as the operation member for actuating the, cam
Numerals 18 and 18 are fixed to a shaft 19 disposed below the connecting shaft 17 so as to be orthogonal to the connecting shaft 17, and the shaft 19 is rotated by human power or power, and a high portion thereof is connected as shown by a chain line in FIG. When the lever 17 is engaged, the connecting shaft 17 is pushed outward, so that the L-shaped levers 13 and 13 rotate outward as indicated by a chain line . For this reason, the locking portions 8, 8 are held at positions where they do not engage with the lateral holes 2 provided in the exposed portion b of the embedding member 1 ,
The embedding member 1 can be set in the mold 3.

[0016] Therefore, to set the embedded member 1 to the mold 3 and to rotate the shaft 19 is engaged with the connecting shaft 17 as shown by the solid line portions having a low cam 18 in FIG. 1, L-shaped lever 13, 13 is pulled by the elastic force of the spring 20 connecting the connecting shafts 17 and 17 and is rotated as shown by a solid line in the figure, and the engaging portions 16 and 16 are engaged with the lateral holes 2 of the exposed portion b.
A downward force is applied to this part. For this reason, the embedding member 1 has the seat c pressed against the inner surface of the mold 3 and is fixed to the mold 3, so that a product can be formed by driving concrete into the mold 3.

[0017]

As described above, the embedding member fixing apparatus according to the present invention can quickly and surely fix an embedding member having an exposed portion to a mold by a simple operation and accurately embed the embedding member in a product. Yes, and after the product is formed, the embedded member can be easily released from the mold with the release of the product,
Moreover, this device is suitable for installation in a narrow space below a mold and has a simple structure with a small number of components, so that it can be manufactured at a low cost and has little occurrence of failure or damage.

[Brief description of the drawings]

FIG. 1 shows a pair of L-shaped lever-type fixing members ,
Horizontal hole in which the locking portion is provided at the exposed portion of the embedded member by operating means
To be disengaged from both sides.
FIG. 6 is a partial longitudinal front view of the embodiment in which the embedded member is urged to be pressed against the mold .

FIG. 2 is a partially longitudinal front view showing a partially modified version of the embodiment shown in FIG. 1;

FIG. 3 is a side view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Embedding member a Embedding part b Exposed part c Seat part 2 Side hole 3 Formwork 5,13 Fixing member 8,16 Locking part 10,18 Operating means 12,20 Spring

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E04G 9/10 104 B28B 23/00

Claims (1)

(57) [Claims] 1. An embedding member which is supported by a mold so that an embedding part in a concrete product is in a mold and an exposed part goes out of the mold, a lateral hole provided in an exposed part of the embedding member, a pair of fixing members revolvable which is supported on the mold in relation position can disengage the locking portion to said transverse bore, actuate these fixing member as the locking portion is disengaged lateral hole Operating means and a pair of fixing members when the locking portion is engaged with the lateral hole.
Pulls and urges embedded member to press against formwork
A fixing device for an embedded member, comprising: