JP2884237B1 - Gutter block - Google Patents

Abstract

An object of the present invention is to provide an inexpensive and simple structure of a side groove block which is easy to handle such as storage / transportation, manufacture / construction work, and which can be formed by a small and simple form. thing. A body block having a side groove and an extension block abutting on an outer surface of the body block.
Are formed separately, and a bolt 30 provided to project from the contact surface of the extension block 20 by a predetermined length, and a portion corresponding to the bolt 30 of the main body block 10 are formed,
A locking portion 40 into which the bolt 30 is inserted is provided, and the locking portion 40 is provided with an upper hole 41 larger than the head of the bolt 30 and a bolt smaller than the head of the bolt 30 connected thereto. And a lower hole 42 which is larger than the shaft of 30. The main body block formed separately by moving the bolt 30 inserted into the upper hole 41 of the locking portion 40 to the lower hole 42. 10 and the extension block 20 were integrated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gutter block, and more particularly, to an improvement of a gutter block having a main body block having a side groove portion and an extension block extending to an outer surface of the main body block.

[0002]

2. Description of the Related Art There are various types of gutter blocks. For example, as shown in FIG. 9, a main body block having a gutter portion so that the gutter block does not fall down due to a load of an earth pressure, a vehicle, or the like. Some of the blocks have an extension block extending to the outer surface of the block. In such a side groove block, the main body block and the extension block are integrally formed of concrete. However, in the conventional side groove block, since the main body block and the extension block are integrally formed, handling such as storage and transportation is complicated. In addition, since the whole is a large and complicated shape, the manufacturing operation and the construction operation are complicated. Furthermore, a large and complicated shape was required as a mold for forming the side groove block.

In order to solve the above-mentioned problems, the present applicant has proposed a gutter block disclosed in Japanese Patent Application Laid-Open No. 5-131428. That is, in this type of side groove block 200, as shown in FIG. 10 or 11, the main body block 210 and the extension block 220 are formed separately,
Screw holes 2 formed on the outer surface of the main body block 210
12, a bolt 230 screwed into the screw hole 212 in a state of protruding a predetermined length, and formed in the extension block 220 at a position corresponding to the screw hole 212, and the bolt 230 is vertically movably fitted. The main body block 210 and the extension block 220 formed separately by the locking member 222 having the locking hole 221 to be inserted are integrated, and according to the side groove block 200 according to the present invention,
It is possible to realize an excellent effect that handling such as storage / transportation, manufacturing / construction work is easy, and it can be formed by a small and simple-shaped mold.

[0004]

However, this type of side groove block 200 is screwed into the locking hole 221 of the locking member 222 provided integrally with the extension block 220 on the outer surface of the main body block 210. The main body block 210 and the extension block 220 are integrated by inserting the bolt 230 that has been set, so that the extension block 220 is not joined to the outer surface of the main body block 210 by an amount corresponding to the fact that the contact surface of the extension block 220 is not joined. A load is likely to be applied to the locking member 222 of 220.
Therefore, in order to maintain the strength of the locking member 222, the configuration is made up of a number of members such as a metal fitting 223 formed in a substantially L shape in side view and reinforcing members 224 provided at both ends of the metal fitting. It is necessary to improve the cost of the locking member 222.

An object of the present invention is to solve such a problem, and an object of the present invention is to form a small-sized and simple-shaped formwork which is easy to handle such as storage and transportation, manufacture and construction work. The purpose of the present invention is to provide a gutter block that can be manufactured with a low-cost and simple structure.

[0006]

Means for Solving the Problems To solve the above,
Means adopted by each of the present invention will be described with reference numerals used in the embodiment. First, a side groove block 100 according to claim 1 is provided with a main body block 10 having a side groove portion and an outer surface of the main body block 10. Extension block 20 that abuts
Are formed separately, and a bolt 30 provided to project from the contact surface of the extension block 20 by a predetermined length, and a portion corresponding to the bolt 30 of the main body block 10 are formed,
A locking portion 40 into which the bolt 30 is inserted is provided. The locking portion 40 is provided with an upper hole 41 larger than the head of the bolt 30 and a bolt smaller than the head of the bolt 30 connected thereto. And a lower hole 42 larger than the shaft portion of the main body 30. The bolt 30 inserted into the upper hole 41 of the locking portion 40 is moved to the lower hole 42, thereby forming the main body block formed separately. The gist is that the extension 10 and the extension block 20 are integrated.

Next, according to a second aspect of the present invention, there is provided a main body block 10 constituting the side groove block 100 according to the first aspect.
A plurality of locking portions 40 are provided at intervals of the locking portions 40 between the main body blocks 10 in a continuous state, and a plurality of bolts 30 are provided at the extension block 20 at the same intervals as the intervals. That was the gist.

Finally, the invention according to claim 3 is based on claim 1.
Or engaging portions 2 that engage with each other in a continuous state at both ends of the extension block 20 that constitutes the side groove block 100 described in 2.
The point was to provide 1.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the gutter block according to the present invention will be described. However, this is a typical example, and unless the gist of the present invention is exceeded, the present invention will be described by the following examples. It is not limited.

As shown in FIG. 1, a side groove block 100 according to the present invention comprises a main body block 1 having side grooves.
0, and an extension block 20 abutting on the outer surface of the main body block 10 are formed separately, and a bolt 30 is provided on the abutment surface of the extension block 20 so as to protrude by a predetermined length; 10, a locking portion 40 formed at a position corresponding to the bolt 30 and into which the bolt 30 is inserted, wherein the locking portion 40 has an upper hole 41 larger than the head of the bolt 30; The bolt 30 connected to this
A pilot hole 42 smaller than the head of the bolt and larger than the shaft of the bolt 30.
The main feature of the bolt 3 is that it is inserted into the upper hole 41 of the locking portion 40.
The main block 10 and the extension block 20 which are formed separately are integrated by moving 0 to the pilot hole 42.

First, as shown in FIG.
Numeral 0 is formed in a shape having a substantially U-shaped side groove portion 11 opening downward by concrete, and the extension block 20 is formed in a plate shape separate from the main body block 10 by concrete. And body block 1
A bolt 30 is provided on a contact surface of the extension block that contacts the outer surface of the bolt 0 at a position corresponding to the locking portion 40 so as to project a predetermined length. Here, the locking portion 40 is provided at a lower portion of the outer surface of the main body block 10, and extends from the lower end of the outer surface of the main body block 10 when the main body block 10 and the extension block 20 are integrated by the bolt 30. A side groove block 100 having a shape in which the block 20 extends is formed.

Next, the main body block 1 which is a feature of the present invention.
The locking portion 40 provided at 0 will be described with reference to FIG. The locking portion 40 is formed when concrete is cast into a formwork forming the main body block 10.
An upper hole 41 that forms the upper part of the locking part 40 and is larger than the head 31 of the bolt 30, and a lower part of the locking part 40 that is connected to the upper hole 41 and that is larger than the shaft part 32 of the bolt 30 and that the head of the bolt 30 And a lower hole 42 smaller than the portion 31. Thereby, as an operation of integrating the main body block 10 and the extension block 20, for example, as shown in FIGS. 1 and 2, the extension block is provided in the upper hole 41 of the locking portion 40 of the main body block 10. The head 31 of the bolt 30 is inserted, and then the entire extension block 20 is lowered. Then, the shaft portion 32 of the bolt 30 is automatically fitted into the lower hole 42 of the locking portion 40, and the main body block 10 and the extension block 20
Are integrated. According to such an operation, the screw holes 12 of the main body block 10 and the locking holes 21 of the extension block 20 are formed.
It is not necessary to accurately align the
The operation of integrating the extension block 20 with the extension block 20 is simplified. Note that the locking portion 40 may be formed from a steel plate or the like, and may be integrated with the main body block 10 at the time of placing concrete.

In this embodiment, an example is shown in which the locking portion 40 is formed by combining a circular upper hole 41 with a long hole-shaped lower hole 42 communicating therewith. Instead, for example, as shown in FIG. 5, the shape of the locking portion 40 may be an inverted triangle, the upper portion of the locking portion 40 may be the upper hole 41, and the lower apex portion may be the lower hole 42.

Next, as shown in FIG. 4, the bolt 30 integrally provided on the extension block 20 is previously extended at the time of concrete casting so that an iron rod 32 having a threaded groove projects a predetermined length. The iron bar 32 is provided on the exit block 20.
5 or a female screw tube 50 is integrally provided on the extension block 20 at the time of concrete casting, and a bolt 30 is attached to the female screw tube 50 as shown in FIG.
May be screwed. In the case of the embodiment shown in FIG. 4 or FIG. 5, if the nut 31 or the bolt 30 is further tightened, the main body block 10 and the extension block 20 can be further firmly integrated.

Then, as shown in FIG. 3, concrete 30 is cast into the substantially U-shaped side groove 11 from the opening 12 of the main body block 10 so that the bolt 30 projecting into the side groove 11 is buried. At the same time, the main body block 10 and the extension block 20 are more firmly integrated with each other since the main body block 10 and the extension block 20 are also penetrated into the locking portion 40 by the pressure at the time of the driving.

Further, the present invention is not limited to the above-described embodiment. As shown in FIG. 6, a simple iron bar 32 may be provided integrally with the extension block 20 at the time of placing concrete. In this case, if the concrete is poured into the side groove 11 of the main body block 10 after the main body block 10 and the extension block 20 are integrated as described above, Extension block 20
And the effect of firmly integrating the above can be realized.

As shown in FIGS. 4, 6 and 8, a notch 22 for placing concrete is formed in the middle of the extension block 20. By casting concrete in the notch 22, the extension block 20 supporting the main body block 10 can be further stably laid.

Next, as shown in FIG.
0 locking portions 40 are provided at intervals of the locking portions 40 between the main body blocks in a continuous state, and a plurality of bolts 30 are provided on the extension block 20 at positions corresponding to the locking portions 40.
Is provided. This makes it possible to integrate the extension blocks 20 over the continuously provided main body blocks 10 and to firmly fix the continuously provided main body blocks 10 to each other.

In this embodiment, engaging portions 21 each having a shape overlapping with each other are provided on both end surfaces of the extension block 20. The engagement portion 21 is configured so as to overlap with each other by an upward step portion 21a and a downward step portion 21b. That is, the plurality of side groove blocks 100
Are connected, the downward step 26 of the extension block 20 of the other side groove block 100 overlaps the upward step 25 of the extension block 20 of each side groove block 100. In this way, it is possible to prevent the extension block 20 integrated with the main body block 10 from being inadvertently lifted and coming off. The shape of the engaging portion 21 is not limited to the shape shown in the embodiment, and may be any shape as long as the space between the extension blocks 20 is in the engaged state or the overlapped state.

In this embodiment, a screw hole 13 is also provided at the upper end of the outer surface of the main body block 10, and a locking hole 61 having a shape obtained by inverting the locking portion 40 of the main body block 10 is formed. The main body block 10 continuously provided by the connecting plate 60 and the bolt 62 having the
0 is fixed not only at the lower part but also at the upper part.

By the way, the present invention is not limited to the above-described embodiment, but includes improvements, modifications and the like within a range that can achieve the object of the present invention.

As described above, since the gutter block 100 according to the present invention is composed of the main body block 10 and the extension block 20 which is separate from the main body block 10, the main body block 1 is provided.
0 and the extension block 20 can be individually handled, and handling such as storage and transportation of the entire gutter block 100 and manufacturing and construction work can be easily performed. Further, the main body block 10 and the extension block 20 are
What is necessary is just to shape | mold by each different mold, and the mold becomes small and simple. In addition, since the main body block 10 and the extension block 20, each formed separately, are integrated by the bolt 30, they can be reliably and firmly integrated.
The integration work can also be easily performed. And
A substantially U-shaped side groove 1 from an opening 12 of the main body block 10
1 is poured into concrete, so that the gutter 11
The bolts 30 protruding inward are buried and penetrate into the locking portions 40 by the pressure at the time of the driving, so that the main body block 10 and the extension block 20 can be more firmly integrated. .

The locking portion 40 of the main body block 10
An upper hole 41 which forms the upper part of the locking part 40 and is larger than the head 31 of the bolt 30, and a lower part of the locking part 40 which is connected to the upper hole 41 and which is larger than the shaft part 32 of the bolt 30. 30 and the lower hole 42 smaller than the head 31 of the main block 30, the bolt 30 provided on the extension block 20 is inserted into the upper hole 41 of the locking portion 40 of the main body block 10.
The main block 10 and the extension block 20 can be easily integrated by descending to the pilot hole 42.

Further, a plurality of locking portions 40 are provided at intervals of the locking portions 40 between the main body blocks 10 connected to the main body block 10, while the extending blocks 20 are provided at the same intervals as the above-mentioned intervals. Since the plurality of bolts 30 are screwed, the extension block 20 can be integrated between the two main body blocks 10.

Further, at both end portions of the extension block 20,
Since the engaging portions 21 that engage with each other are provided, it is possible to prevent the extension block 20 integrated with the main body block 10 from being inadvertently raised and detached.

[0026]

As described in detail above, according to the first aspect of the present invention, the main body block having the side groove portion and the extension block abutting on the outer surface of the main body block are formed separately, A bolt provided on the contact surface of the output block so as to protrude by a predetermined length, and a locking portion formed at a portion of the main body block corresponding to the bolt and into which the bolt is inserted. Is composed of an upper hole that is larger than the head of the bolt, and a lower hole that is smaller than the head of the bolt and that is larger than the shaft of the bolt, and is inserted into the upper hole of the locking portion. By moving the bolt to the pilot hole, by integrating the body block and the extension block formed in the separate body, handling and manufacturing / construction work such as storage and transportation are easy, and Small and simple formwork Therefore the gutter blocks that can be formed, can be provided by inexpensive and simple structure.

According to a second aspect of the present invention, in addition to the effect of the side groove block according to the first aspect, a plurality of locking portions are provided between the main body blocks in a state of being connected to the main body block. A locking portion is provided, and on the other hand, since a plurality of bolts are provided on the extension block at the same interval as the interval, the extension block 20 can be integrated between the two main body blocks 10, The connected main body blocks 10 can be firmly fixed to each other.

Finally, according to the third aspect of the invention, in addition to the effect of the side groove block according to the first or second aspect,
Since the engaging portions that engage with each other in a continuous state are provided at both ends of the extension block, it is possible to prevent the extension block 20 integrated with the main body block 10 from unintentionally ascending and coming off. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a gutter block according to the present invention.

FIG. 2 is an enlarged view of a main part showing a locking portion and a bolt of the side groove block shown in FIG. 1;

FIG. 3 is a side sectional view showing one embodiment of a gutter block according to the present invention.

FIG. 4 is a side view showing one embodiment of an extension block constituting a gutter block according to the present invention.

FIG. 5 is a side view showing one embodiment of an extension block constituting a gutter block according to the present invention.

FIG. 6 is a side view showing one embodiment of an extension block constituting a gutter block according to the present invention.

FIG. 7 is a partial perspective view showing another example of the locking portion.

FIG. 8 is a perspective view showing a state in which main body blocks are continuously provided.

FIG. 9 is a sectional front view showing a conventional side groove block.

FIG. 10 is a partial perspective view showing a conventional side groove block.

FIG. 11 is an enlarged view of a main part showing a locking member portion and a bolt portion of a conventional side groove block.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Main body block 11 Side groove part 12 Opening part 13 Screw hole 20 Extension block 21 Engagement part 22 Notch part 30 Bolt 31 Head part 32 Shaft part 40 Lock part 41 Upper hole 42 Bottom hole 50 Female screw pipe 60 Connection plate 61 Stop hole 62 Bolt 100 Side groove block

Claims (3)

(57) [Claims] 1. A main body block having a side groove and an extension block abutting on an outer surface of the main body block are formed separately, and are provided so as to protrude by a predetermined length from the abutment surface of the extension block. A bolt, and a locking portion formed at a portion of the main body block corresponding to the bolt, the locking portion into which the bolt is inserted is provided, and the locking portion has an upper hole larger than a head of the bolt; A lower hole that is smaller than the head of the bolt and larger than the shaft of the bolt, the bolt inserted into the upper hole of the locking portion is moved to the lower hole, A side groove block, wherein the formed main body block and extension block are integrated. 2. A plurality of locking portions are provided on the main body block at intervals of the locking portions between the main body blocks in a continuous state, and a plurality of bolts are provided on the extension block at the same interval as the interval. The gutter block according to claim 1, further comprising: 3. The side groove block according to claim 1, wherein engagement portions are provided at both ends of the extension block to engage with each other in a continuous state.