JP7412897B2 - cap - Google Patents

Description

The present invention relates to a cap for closing the end of a pipe used for walls, fences, etc.

In general, panels used for walls and fences installed at the boundary of the premises of houses, factories, etc. or the boundaries of neighboring properties have a mesh-like form, a vertical lattice-like form with many vertical bars, a plate-like form, etc. , various forms are used. Among these, panels with a vertical lattice-like form are often made by fixing a number of vertical members with horizontal members, and among these, the vertical members are pipes with hollow parts inside, such as steel pipes or extruded aluminum members. The openings of the pipes are capped to prevent rainwater from entering the pipe material and to prevent injuries to passersby who may come into contact with the ends of the pipe materials. is installed.

Caps come in various forms: those that are fitted externally to the pipe material, those that are fitted internally to the pipe material, those that connect the cap and the pipe material with fastening members such as screws or bolts, and the caps that are welded or attached to the pipe material. It has been proposed to use a bonding method using an adhesive or the like, or a combination of these.

For example, Patent Document 1 describes a substrate, a peripheral wall provided on the peripheral edge of the substrate, and an outward locking claw provided at the tip of an arm extending from the substrate in the same direction as the peripheral wall and having an intermediate portion elastically deformable. The surrounding wall faces the building member from the outside, the outward locking pawl is positioned inside the building member together with the arm, and is locked from the inside into the locking hole provided in the building member, and the surrounding wall End caps for architectural components have been proposed that cover locking holes.

Japanese Patent Application Publication No. 10-2173

However, in order to lock the locking claws of the arms into locking holes provided in architectural members such as lattice bars, the above-mentioned cap requires drilling holes in the lattice bars. Since a peripheral wall is formed to make the hole invisible from the outside, in order to obtain large elasticity from the arm, it is preferable for the arm to protrude outward, but since it is restricted by the peripheral wall, the arm The elasticity was limited.

The present invention aims to solve the above-mentioned problems and provide a cap that can be firmly attached to a pipe.

In order to achieve the above object, the present invention has the following configuration.
That is, the cap according to the present invention is a cap that is attached to one end of a pipe, and the cap includes a lid portion that covers the end portion of the pipe, and a lid portion that is provided on the back surface of the lid portion and that covers the inside of the pipe. an insertion section inserted into the insertion section; and an elastic member attached to the insertion section, the insertion section including an insertion section main body formed along the insertion direction, a presser section formed on the insertion section main body, It has a pair of receiving parts formed along the insertion direction, and the pressing part is located between the pair of receiving parts, and the elastic member is held in a predetermined position by the pressing part and the pair of receiving parts. A pair of claws are installed at both ends of the pipe and are biased in the direction of the pipe. It is characterized in that the interval is widened in conjunction with the biasing .

Further, the cap according to the present invention is a cap that is attached to at least one end of a pipe having an intermediate wall portion along the longitudinal direction, and the cap includes a lid portion that covers the end portion of the pipe, and a lid portion that covers the end portion of the pipe; A pair of insertion parts provided on the back surface of the lid part and inserted into the inside of the pipe with the intermediate wall part in between; and elastic members respectively attached to the pair of insertion parts, the elastic members comprising: a first claw portion that is biased in a predetermined direction and attached to the insertion portion, and that is disposed at one end of the elastic member and can abut the intermediate wall portion; and a second claw part that is arranged and can come into contact with the inner wall surface of the pipe facing the intermediate wall part, and the distance between the tips of the first claw part and the second claw part is: It is characterized in that the interval is widened in conjunction with the biasing.

According to the cap according to the present invention, the elastic members of the cap are attached to the insertion portion while being biased in a predetermined direction, and are disposed at both ends of the elastic member so as to come into contact with the opposing inner wall surfaces of the pipe. It is provided with a pair of claws that can be contacted, and the distance between the tips of the claws is made to increase in conjunction with the biasing, so that when attaching the cap according to the present invention to a pipe, The part presses strongly against the inner wall surface of the pipe, allowing for a firm installation.

In the cap according to the present invention, the insertion section includes an insertion section main body formed along the insertion direction, a presser section formed on the insertion section main body, and a pair of receiving sections formed along the insertion direction. and the holding part is located between the pair of receiving parts, and the elastic member is attached by being urged in a predetermined direction by the holding part and the pair of receiving parts, The elastic member can be securely attached to the insertion portion, and the cap can be more firmly attached to the pipe.

FIG. 1 is a front view showing a first embodiment of a fence using a cap according to the present invention. FIG. 1 is a side view showing a first embodiment of a fence using a cap according to the present invention. FIG. 2 is an enlarged plan view of the vicinity of the support column in FIG. 1; FIG. 2 is an enlarged front view of the cap of FIG. 1; FIG. 2 is an enlarged side view of the cap of FIG. 1; FIG. 2 is an enlarged plan view of the cap of FIG. 1; FIG. 5 is an explanatory diagram of the elastic member of FIG. 4; It is an explanatory view showing the relationship between the insertion part of the cap, the pipe, and the elastic member. It is an explanatory view showing the relationship between the insertion part of the cap, the pipe, and the elastic member. FIG. 4 is an enlarged cross-sectional view taken along the line AA in FIG. 3. 3 is an enlarged sectional view taken along line BB in FIG. 2. FIG. FIG. 7 is an enlarged front view showing a second embodiment of the cap according to the present invention. FIG. 7 is an explanatory diagram of a pipe to which a cap is attached according to another embodiment of the present invention. 14 is an enlarged sectional view taken along the line CC in FIG. 13. FIG. An enlarged sectional view taken along the line DD in FIG. FIG. 14 is a perspective view of the cap of FIG. 13; FIG. 17 is an explanatory diagram of the elastic member of FIG. 16; FIG. 17 is a front view of the cap of FIG. 16;

Next, the best mode for carrying out the present invention will be specifically described with reference to the drawings.

In the figure, 10 is a cap, and 20 is a pipe to which the cap 10 is attached. 1 to 3 show a fence 100 using a pipe 20 to which a cap 10 according to the present embodiment is attached, in which FIG. 1 is a front view, FIG. 2 is a side view, and FIG. 3 is a support post 110 of FIG. It is an enlarged plan view of the vicinity. That is, this fence 100 has a plurality of pillars 110 erected at intervals, a plurality of furrows 120 are attached between the pillars 110 at vertical intervals, and a plurality of pipes 20 as vertical beams. , a vertical lattice panel 140 consisting of horizontal beams 130 supporting these is attached via a furring 120.

In this embodiment, the cap 10 is attached to the lower end of the pipe 20, which is one end in the longitudinal direction, and the upper cap 150 is attached to the upper end, which is the other end of the pipe 20 in the longitudinal direction.

Note that the upper cap 150 may have a conventional form, but the cap 10 according to the present invention may also be used.

4 to 6 are explanatory diagrams of the cap 10, with FIG. 4 being a front view, FIG. 5 being a side view, and FIG. 6 being a plan view. The cap 10 includes a lid part 11 that covers the lower end of the pipe 20 when attached to the lower end of the pipe 20, and an insertion part 12 that is inserted into the inside of the pipe 20. In this embodiment, the lid part 11 is formed into a thin flat plate shape, and the insertion part 12 is provided on the back surface of the lid part 11, and on the upper surface of the lid part 11 in FIGS. 4 and 5.

The cap 10 further includes an elastic member 30 that is press-fitted into the pipe 20 and is elastically attached within the pipe 20 so that the cap 10 does not easily come out when inserted into the pipe 20.

7A and 7B are explanatory diagrams of the elastic member 30 shown in FIG. 4, in which (A) is a front view and (B) is a plan view, showing the elastic member 30 removed from the cap 10. The elastic member 30 includes a thin plate-like base 31 and a pair of claws 32. The base 31 is arranged at the center, and the claws 32 are located at both ends of the elastic member 30. They are formed at both ends in the longitudinal direction and have a U-shaped cross section.

The insertion section 12 has a pair of receiving sections 13, 13 provided on the back surface of the lid section 11, as shown in FIG. Regarding the relationship between the receiving part 13 and the elastic member 30, the claw parts 32 are arranged on the outside of the pair of receiving parts 13, 13, and the vicinity of the end of the base part 31 is arranged at the tip of the receiving part 13. In other words, in the U-shaped elastic member 30, the receiving portions 13, 13 are located between the claw portions 32, 32 on the inside of the U-shape.

Furthermore, the insertion portion 12 has a holding portion 14 . The holding part 14 is located between the receiving parts 13 and 13. In this embodiment, the insertion part main body 15 provided at the center of the back surface of the lid part 11 divides the space in which the insertion part 12 is provided on the back surface of the lid part 11 into front and rear parts, as shown in FIGS. 5 and 6. A pressing portion 14 is provided on at least one of the front and rear surfaces.

8 and 9 are explanatory diagrams showing the relationship between the insertion portion 12 of the cap 10, the pipe 20, and the elastic member 30. The vicinity of the central portion of the base 31 of the elastic member 30 is arranged below the pressing portion 14, and in this embodiment, the pressing portion 14 is in contact with the upper surface of the central portion of the base 31. Further, the height position H1 at which the upper surface of the central part of the base 31 contacts the holding part 14 is the state in which the holding part 14 is not present and the elastic member 30 is placed on the receiving parts 13, 13 (indicated by the broken line in FIG. 8). The height position is closer to the lid part 11 than the height position H2 of the upper surface of the central part of the base part 31 in the displayed elastic member 30). That is, the elastic member 30 is fixed to the insertion portion 12 in a state in which the center portion of the base portion 31 is elastically deformed toward the inside of the U-shaped elastic member 30.

As a result, the distance L1 between the tips 33 of the claws 32 is longer than the distance L2 before the elastic member 30 is fixed to the cap 10, so when the insertion portion 12 of the cap 10 is inserted into the pipe 20, The amount of inward deformation that occurs in the distal end portion 33 of the claw portion 32 of the elastic member 30 is greater than when the elastic member 30 is simply inserted into the pipe 20. That is, the elastic force generated in the elastic member 30 becomes larger, and as a result, the elastic force that the inner wall surface 21 of the pipe 20 receives from the elastic member 30 also becomes larger, so that the insertion part 12 becomes difficult to come out from inside the pipe 20. .

In other words, when inserting the cap 10 into the pipe 20, the cap 10 is gradually elastically deformed as the claw portion 32 of the elastic member 30 is inserted, so a large force is not required when inserting the cap 10. On the other hand, when trying to pull out the cap 10 after attaching it to the pipe 20, the tip 33 of the claw 32 presses against the inner wall surface 22 of the pipe 20, making it difficult to slip. It acts to increase elastic deformation. Therefore, since the elasticity is increased from the tip end 33 toward the inner wall surface 21, the cap 10 becomes difficult to slip out from the pipe 20.

The claw portion 32 of the elastic member 30 has a bent portion 34 that is bent outward on the way to the tip. As a result, the distance between the tips 33 of the claw portions 32 becomes longer when the bent portion 34 is present than when the bent portion 34 does not exist, so the insertion portion 12 of the cap 10 is inserted into the pipe 20. Since a larger elastic force is generated in the elastic member 30 when the insertion portion 12 is inserted into the pipe 20, it becomes even more difficult for the insertion portion 12 to come out from inside the pipe 20.

When attaching the cap 10 to the pipe 20, the cap 10 is moved in the Y direction as shown in FIGS. 8 and 9, and the insertion part 12 is inserted into one end of the pipe 20. Since the distance between the tips 33 of the claw portions 32 of the elastic member 30 is longer than the distance between the inner wall surfaces 21 of the opposing pipes 20, a portion of the claw portions 32 comes into contact with the inner wall surfaces 21 of the pipes 20. . When the insertion portion 12 is directly inserted into the pipe 20, it is elastically deformed so that the distance between the tip portions 33 of the claw portions 32 becomes narrower.

10 is an enlarged sectional view taken along the line AA in FIG. 3, and FIG. 11 is an enlarged sectional view taken along the line BB in FIG. When the insertion part 12 is further inserted into the pipe 20, the tip part 33 of the claw part 32 comes into elastic contact with the inner wall surface 21, and the back surface of the lid part 11 of the cap 10 contacts the open end of the pipe 20. When the cap 10 is brought into contact with the pipe 20, the work of attaching the cap 10 to the pipe 20 is completed.

As a result, even if the cap 10 is attached to the lower end of the pipe 20, the cap 10 can be attached to the pipe 20 by the elastic force generated in the elastic member 30 as described above, without requiring any additional fixing means such as bolts or screws. Since it does not easily slip out of the hole, the installation work becomes easier.

In addition, as shown in FIG. 11, the distal end portion 33 of the claw portion 32 of the elastic member 30 has a serrated concavo-convex portion, and the convex portion elastically abuts against the inner wall surface 21 of the pipe 20. Therefore, a stronger elastic force is generated toward the inner wall surface 21 of the pipe 20, making it even more difficult for the insertion portion 12 to come out from inside the pipe 20.

Note that the outer shape of the lid portion 11 of the cap 10 is slightly larger than the outer shape of the pipe 20 in this embodiment, so that it can reliably cover the end of the pipe 20; The pipe 20 may have an external shape that is continuous with the pipe 20 in terms of appearance.

Further, as shown in FIG. 11, in the cap 10 according to this embodiment, the elastic members 30 are respectively fixed at the front and rear with the insertion portion main body 15 in between. In this way, when the insertion portion 12 of the cap 10 is inserted into the pipe 20, the elastic members 30 may be placed at the front and rear of the pipe 20, respectively.

Furthermore, although not shown, the lid portion 11 of the cap 10 may be provided with a drain hole that penetrates in the vertical direction, which is the thickness direction.

FIG. 12 is an explanatory diagram showing another embodiment of the cap 10 according to the present invention, in which (A) is a front view, (B) is a side view, and (C) is a plan view. Compared to the cap 10 shown in FIGS. 1 to 11, the cap 10 is roughly divided in half at the front and back, and the insertion section main body 15 of the insertion section 12 is biased toward one end of the lid section 11. , one holding portion 14 is provided. One elastic member 30 is used. That is, the cap 10 shown in FIGS. 1 to 11 can be used for a pipe 20 having a relatively large cross-sectional shape, and the cap 10 shown in FIG. 12 can be used for a pipe 20 having a relatively small cross-sectional area.

13 to 17 are explanatory diagrams showing other embodiments of the cap 10 according to the present invention, in which FIG. 13 is an explanatory diagram of a pipe 20 to which the cap 10 of this embodiment is attached, and FIG. 15 is an enlarged sectional view taken along the line DD in FIG. 13, FIG. 16 is a perspective view of the cap 10 in FIG. 13, FIG. 17 is an explanatory view of the elastic member 30 in FIG. 16, and FIG. is a front view of FIG. 16.

When compared with the cap 10 shown in FIGS. 1 to 11, the shape of the pipe 40 to which the cap 10 is attached is different, and another major difference is that the insertion portion 12 of the cap 10 has elasticity. The members 30 are arranged side by side, and the shape of the claw portion 32 of the elastic member 30 is different between one end and the other end. The following will focus on these differences.

In this embodiment, the caps 10 are attached to both ends of the pipe 40 in the longitudinal direction, as shown in FIG. In this embodiment, the pipe 40 has two hollow parts 42 and 43 formed along the longitudinal direction inside the pipe 40 by an intermediate wall part 41, as shown in FIG. As shown in FIG. 15, the insertion part 12 of the cap 10 has a pair of first insertion parts 12a and second insertion parts 12b so that they can be placed in the hollow parts 42 and 43, respectively, with an intermediate wall part 41 in between. have. A gap is provided between the first insertion part 12a and the second insertion part 12b, in which the base part 41 is disposed in the middle.

The first insertion section 12a and the second insertion section 12b each include a receiving section 13, a holding section 14, and an insertion section main body 15, and an elastic member 30 is attached to each of them.

FIG. 17 is an explanatory diagram of the elastic member 30, in which (a) is a plan view and (b) is a front view. The elastic member 30 has a different form of the claw portion 32 compared to that shown in FIG. 7, and as shown in FIG. , and claw portions 32 at both ends, and the claw portions 32 are formed at both longitudinal ends of the base portion 31 via bent portions 31a, and are formed in a U-shape in cross section. The claw portion 32 includes a first claw portion 35 that can come into contact with the intermediate wall portion 41 and a second claw portion 36 that can come into contact with the inner wall surface 44 of the pipe 40 facing the intermediate wall portion 41. It has a U-shaped cross section, and the second claw portion 36 is relatively short.

When the first insertion part 12a and the second insertion part 12b are inserted into the hollow parts 42 and 43, the respective elastic members 30 are elastically deformed, and the intermediate wall part 41 and the inner wall part 44.

As shown in FIG. 18, the elastic member 30 is fixed to the first insertion portion 12a and the second insertion portion 12b, respectively, with the center portion of the base portion 31 being elastically deformed inward in a U-shape. As a result, the tip 35a of the first claw 35 and the tip 36a of the second claw 36 are urged away from each other. In other words, the central part of the base 31 approaches the lid part 11 side relatively, and the angles formed between the base 31 and the first claw part 35 and between the base part 31 and the second claw part 36 at the bent part 31a change greatly. The tip portions 35a and 36a move in a direction away from the lid portion 11.

In other words, the distance L3 between the tip portions 35a and 36a is longer than the distance L4 before being fixed to the insertion portion 12, so when the insertion portion 12 of the cap 10 is inserted into the pipe 40, the same A strong elastic force is generated in the elastic member 30, making it difficult for the first insertion portion 12a and the second insertion portion 12b to easily escape from the hollow portions 42 and 43, thereby making it difficult for the cap 10 to escape from the pipe 40. .

In addition, as shown in FIG. 16, it is good also as a form which provided the water drain hole 11a which penetrates the lid part 11 in the up-down direction which is a thickness direction. That is, in FIG. 13, the lower cap 10 may have the form shown in FIG. 16, and the upper cap 10 may have the form without the drain hole 11a.

As described above, the cap 10 according to the present embodiment is a cap 10 that is attached to at least one end of the pipe 40 having the intermediate wall portion 41 along the longitudinal direction, and is a lid that covers the end of the pipe 40. part 11, a pair of insertion parts 12 provided on the back surface of the lid part 11 and inserted into the inside of the pipe 40 with the intermediate wall part 41 in between, and elastic members 30 respectively attached to the pair of insertion parts 12. We are prepared. The elastic member 30 is attached to the insertion portion 12 while being biased in a predetermined direction, and includes a first claw portion 35 disposed at one end of the elastic member 30 and capable of abutting against the intermediate wall portion 41; a second claw part 36 which is disposed at the other end of the pipe 30 and can come into contact with the inner wall surface 44 of the pipe 40 facing the intermediate wall part 41; The distance between the tip and the tip 36 is such that the distance increases in conjunction with the biasing.

As a result, a larger elastic force can be generated than when the elastic member 30 is simply attached to the cap 10, so that the cap 10 can be firmly attached to the pipe 40 having the intermediate wall portion 41.

Although the cap of the present invention has been described above based on the embodiment, the present invention is not limited to this embodiment. Various modifications that can be thought of by those skilled in the art without departing from the gist of the invention are also included within the scope of the invention.

According to the present invention, since a cap can be easily installed on a pipe, it can be suitably used for a crosspiece or support used for a wall, fence, or the like.

10 Cap 11 Lid part 11a Drain hole 12 Insertion part 12a First insertion part 12b Second insertion part 13 Receiving part 14 Holding part 15 Insertion part main body 20 Pipe 21 Inner wall surface 30 Elastic member 31 Base part 31a Bent part 32 Claw part 33 Tip portion 34 Bent portion 35 First claw portion 35a Tip portion 36 Second claw portion 36a Tip portion 40 Pipe 41 Intermediate wall portions 42, 43 Hollow portion 44 Inner wall portion 100 Fence 110 Post 120 Rim 130 Horizontal bar 140 Vertical Lattice panel 150 upper cap

Claims (2)

A cap attached to one end of a pipe,
The cap includes a lid portion that covers an end of the pipe;
an insertion part provided on the back surface of the lid part and inserted into the inside of the pipe;
an elastic member attached to the insertion portion,
The insertion portion includes an insertion portion main body formed along the insertion direction;
a holding part formed on the insertion part main body;
It has a pair of receiving parts formed along the insertion direction,
The holding portion is located between the pair of receiving portions, and
The elastic members are attached by being urged in a predetermined direction by the pressing portion and the pair of receiving portions, and the elastic members are arranged at both ends of the elastic members and are capable of coming into contact with opposing inner wall surfaces of the pipe. Equipped with a claw part,
A cap characterized in that the distance between the tips of the claw portions increases in conjunction with the biasing. A cap attached to at least one end of a pipe having an intermediate wall portion along the longitudinal direction,
The cap includes a lid portion that covers an end of the pipe;
A pair of insertion parts provided on the back surface of the lid part and inserted into the inside of the pipe with the intermediate wall part in between; and elastic members respectively attached to the pair of insertion parts, the elastic member being , a first claw portion which is biased in a predetermined direction and attached to the insertion portion, and which is disposed at one end of the elastic member and can abut against the intermediate wall portion; and the other end of the elastic member. a second claw portion that is disposed in the middle wall portion and can come into contact with an inner wall surface of the pipe that faces the intermediate wall portion;
A cap characterized in that the distance between the tips of the first claw part and the second claw part is widened in conjunction with the biasing.

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