JP2003096737A - Shank-reinforcing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shank-reinforcing structure of which rigidity can be increased, attaining lightening and cost reduction. SOLUTION: A reinforcing pipe 14 is fitted internally at the front end section of a shank 11 for a scoop for removing snow and caulked from the side section of the shank 11, and a double structure section 21 composed of the shank 11 and the reinforcing pipe 14 is formed at the front end section. A mounting section 31, to which a scooping-section is installed, is fitted externally and fixed at the front end section of the shank 11. The scooping-section and the mounting section 31 are constituted of other bodies. The whole region of the cylindrical section 41 of the mounting section 31 is set in a length size housed in the double structure section 21. The shank 11, the reinforcing pipe 14 and the mounting section 31 are fastened together by rivets.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle portion reinforcing structure for reinforcing a handle provided on a snow removing scoop, for example.

[0002]

2. Description of the Related Art Conventionally, a snow scoop has been used to remove snow.

This scoop for snow removal has a pipe-shaped handle,
The handle comprises a scooping portion provided at the tip of the handle, and is configured such that the handle can be operated to scoop snow and remove snow.

[0004]

However, in such a snow removing scoop, it is required to reduce the weight in order to improve workability, and at the same time, it is necessary to reduce the cost while ensuring the rigidity.

Therefore, when the handle is made thicker to increase the strength, it becomes an obstacle to weight reduction. Further, if the rigidity is increased by using a lightweight member, it may cause a cost increase.

The present invention has been made in view of such conventional problems, and an object thereof is to provide a handle portion reinforcing structure capable of increasing rigidity while achieving weight reduction and cost reduction. Is.

[0007]

In order to solve the above problems, in the handle portion reinforcing structure according to claim 1 of the present invention, in the handle portion reinforcing structure in which a scooping portion is provided at the tip of the handle, the handle is provided. A reinforcing pipe was fitted to the tip of the, and a double structure was formed at the tip.

That is, a reinforcing pipe is fitted to the tip of the handle provided with the scooping portion, and the handle and the reinforcing pipe form a double structure. For this reason, the tip of the handle where stress is concentrated during use is reinforced by this double structure.

Further, in the handle portion reinforcing structure according to the present invention, the mounting portion provided on the scooping portion is fitted and fixed to the double structure portion.

That is, the mounting portion provided on the scooping portion is fitted and fixed to the tip portion of the handle reinforced by the double structure portion. Thereby, the tip portion is further reinforced.

Further, in the handle portion reinforcing structure of the third aspect, the scooping portion and the mounting portion are formed as separate bodies, and the connecting structure for connecting the mounting portion and the scooping portion is provided.

That is, in the mounting portion fitted in the double structure portion, the stress concentration is avoided, so that the damage preventing effect is enhanced. At this time, stress is generated in the scooping part,
It is also possible that the scooping part is deformed. However, since the scooping portion and the mounting portion are formed separately, the scooping portion alone can be replaced.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. 1 to 3 are views showing a snow removing scoop 1 provided with a handle portion reinforcing structure according to the present embodiment. A side view is shown in FIG. 1A and a side view is shown in FIG. (A) is shown by the arrow A, and in FIG.
FIG. 3 shows a plan view in a state of being in a supine position, and FIG. 3 shows a side view thereof. The snow-removing scoop 1 is used in winter to remove snow.

The snow-removing scoop 1 has a long handle 11
And a handle 12 provided at the base end of the handle 11, and a scooping portion 13 provided at the tip of the handle 11. The handle 11 is formed of a metal pipe material, and the outer peripheral surface thereof is entirely covered with a rubber coating. As shown in FIG.
As shown in Fig. 1, the reinforcing pipe 1 having a diameter slightly smaller than that of the handle 11.
4 is fitted inside. The reinforcing pipe 14 is also made of metal, and is positioned by caulking the externally fitted handle 11 from the side.

As a result, as shown in FIG. 5, a double structure portion 21 in which the handle 11 and the reinforcing pipe 14 are overlapped with each other is formed at the tip of the handle 11, and the double structure is formed. The rigidity is increased in the portion 21.

The handle 1 having the double structure 21 is formed.
As shown in FIG. 1 to FIG. 3, the tip end of 1 is fixed to the scooping part 13 in a state where the mounting part 31 is continuously fitted to the scooping part 13 and is fitted into the scooping part 13 to be attached thereto. There is.
The scooping portion 13 and the mounting portion 31 are formed separately, and both are made of synthetic resin to reduce the weight.

As shown in FIGS. 5 and 6, the mounting portion 31 has a tubular portion 41 fitted onto the handle 11, and the tubular portion 4.
1 and a front wall portion 42 that closes the tip of the handle 1. The front wall portion 42 has a function as a stopper that determines a margin for insertion into the handle 11. At the base end of the tubular portion 41, a laterally projecting flange 43 is formed over the entire circumference, and the tubular portion 41 contacts the front wall portion 42 with the tip of the handle 11. In this state, the entire area up to the flange portion 43 at the base end is set to have a length dimension that can be accommodated in the double structure portion 21 (see FIG. 5). Further, rivet holes 44, 44 are formed at two positions on the side surface of the tubular portion 41.
45 (see FIG. 6) and penetrates the handle 11 and the reinforcing pipe 14 and is riveted to fix the handle 11, the reinforcing pipe 14, and the mounting portion 31.
It is configured so that and can be tightened together.

From the front wall portion 42 of the mounting portion 31,
A locking portion 51 that projects toward the tip is integrally formed. The locking portion 51 is formed in a mushroom shape including a large-diameter head portion 52 and a small-diameter neck portion 53.
A notch 54 is formed from the tip of No. 2 to the neck 53.

When the locking portion 51 is press-fitted into the locking hole provided in the scooping portion 13, the locking portion 51 is elastically deformed toward the notch 54 side, whereby the locking hole is formed. While the insertion is facilitated, after the locking hole is inserted, the original shape is restored to prevent accidental removal. Thus, the locking portion 51 and the locking hole (not shown) provided in the scooping portion 13 constitute a connecting structure for connecting the mounting portion 31 and the scooping portion 13.

As shown in FIGS. 1 to 3, the scooping portion 13 has the handle 11 attached to the mounting portion 31.
Is integrally formed by a bottom surface 61 that is inclined with respect to and side walls 62, 62 that are continuously provided on both edges of the bottom surface 61.
It is formed in a container shape that opens in the tilt direction. Thereby, it is configured to be able to hold the scooped snow.

As shown in FIG. 5, the handle 12 is formed of a synthetic resin in the shape of a rectangular frame having an opening 71 in the center thereof, and has a grip portion for gripping with a hand at the end. 72 is formed. Further, the handle 12 is formed with a tubular fitting portion 73 which is fitted onto the handle 11, and in a state where the fitting portion 73 is fitted onto the handle 11,
It is fixed by a rivet 74 penetrating the handle 11.

In the present embodiment having the above-described structure, when removing snow on the road surface with the snow removing scoop 1, the handle 11 is grasped by one hand and the grip portion of the handle 12 is grasped by the other hand. Grab 72 and scoop up snow with scooping part 13.

At this time, a reinforcing pipe 14 is fitted inside the tip of the handle 11 provided with the scooping portion 13,
A double structure portion 21 is formed by the handle 11 and the reinforcing pipe 14. Therefore, the tip end portion of the handle 11 where stress is concentrated due to the weight of snow of the scooping portion 13 can be reinforced by the double structure portion 21.

Therefore, the rigidity of the tip portion of the handle 11 on which stress is concentrated can be increased.

The double structure 21 formed by the reinforcing pipe 14 is formed at the tip of the handle 11. Therefore, as compared with the case where the reinforcing pipe 14 is fitted over the entire length of the handle 11 or the thickness and thickness of the handle 11 are changed to increase the rigidity, the weight is reduced and the cost is increased. Not only can it be suppressed, but also a reinforcing effect can be obtained. Therefore, the contradictory effects described above can be obtained at the same time.

Further, a mounting portion 31 extending from the scooping portion 13 is fixed to the tip end portion of the handle 11 reinforced by the double structure portion 21 in an externally fitted state. Thereby, the distal end portion is further provided with a triple structure of the reinforcing pipe 14, the handle 11 fitted on the reinforcing pipe 14, and the tubular portion 41 of the mounting portion 31 fitted on the handle 11. It can be reinforced strongly. Therefore, the durability can be further improved.

Further, the tubular portion 41 of the mounting portion 31 fitted onto the double structure portion 21 has a length dimension such that the entire area thereof fits inside the double structure portion 21 in a state of being fixed to the handle 11. Is set to. Therefore, even if the portion of the handle 11 that is disengaged from the strongly reinforced double structure portion 21 is bent, it is possible to reliably prevent the bending portion from affecting the mounting portion 31.

Therefore, the cylindrical portion 41 made of synthetic resin is used.
The tubular portion 4 that may occur when the pipe material inside is bent
It is possible to surely prevent a defect such as breakage of item 1.

By avoiding concentration of stress on the mounting portion 31 fitted onto the double structure portion 21, the effect of preventing damage to the mounting portion 31 can be enhanced. At this time, the stress may be generated in the scooping portion 13, and the scooping portion 13 may be deformed. However, this scooping part 13
The mounting portion 31 and the mounting portion 31 are formed separately, and the scooping portion 13 can be replaced by itself.

For this reason, while maintaining the durability of the mounting portion 31, it is possible to replace the scooping portion 13 that is relatively easily damaged during use, so that the snow removing scoop 1 can be used for a long period of time. can do.

In this embodiment, the case where the handle portion reinforcing structure of the present invention is used for the snow removing scoop 1 has been described as an example, but the present invention is not limited to this, and the handle is not limited to this. You may apply to the other tool which has.

[0032]

As described above, according to the first aspect of the present invention.
In the handle portion reinforced structure, the reinforcing pipe is fitted to the tip portion of the handle provided with the scooping portion, and the double structure portion is formed by the handle and the reinforcing pipe, so that stress during use is reduced. The tip of the concentrated handle can be reinforced.

Therefore, the rigidity of the tip of the handle where stress is concentrated can be increased.

The double structure formed by the reinforcing pipe is formed at the tip of the handle. Therefore, as compared with the case where the reinforcing pipe is fitted over the entire length of the handle or the thickness or thickness of the handle is changed to increase the rigidity,
While reducing the weight, it is possible to suppress an increase in cost, obtain a reinforcing effect, and obtain contradictory effects at the same time.

Further, in the handle portion reinforcing structure according to claim 2, the tip portion of the handle reinforced by the double structure portion is fitted and fixed to the tip portion of the handle, whereby the tip portion is attached. The part can be further reinforced.

As a result, the durability can be further improved.

Further, in the handle portion reinforcing structure according to the third aspect, stress concentration on the mounting portion fitted to the double structure portion is avoided, so that the effect of preventing damage to the mounting portion can be enhanced.

At this time, the stress may be generated in the scooping portion, and the scooping portion may be deformed. However, the scooping part and the mounting part are formed separately, and the scooping part itself can be replaced.

Therefore, while maintaining the durability of the mounting portion,
By enabling replacement of the scooping part, which is relatively easy to be damaged during use, long-term use can be enabled.

[Brief description of drawings]

1A and 1B are views showing an embodiment of the present invention, in which FIG. 1A is a side view, and FIG. 1B is a view showing an arrow A in FIG.

FIG. 2 is a plan view showing the same embodiment.

FIG. 3 is a side view showing the same embodiment.

FIG. 4 is an exploded perspective view showing the tip of the handle of the same embodiment.

FIG. 5 is a sectional view of an essential part showing the handle of the same embodiment.

FIG. 6 is a perspective view showing a state in which a scooping portion of the embodiment is removed.

[Explanation of symbols]

1 Snow removal scoop 11 patterns 13 Scooping part 14 Reinforcement pipe 21 Double structure part 31 Mounting part

Claims (3)

[Claims] 1. A handle portion reinforcing structure in which a scooping portion is provided at a tip end of a handle, wherein a reinforcing pipe is fitted to the tip end portion of the handle, and a double structure portion is formed at the tip end portion. Handle reinforced structure. 2. The handle portion reinforcing structure according to claim 1, wherein an attachment portion provided on the scooping portion is fitted and fixed to the double structure portion. 3. The handle portion reinforcing structure according to claim 2, wherein the scooping portion and the mounting portion are formed as separate bodies, and a connecting structure for connecting the mounting portion and the scooping portion is provided. .