JP2003120307A - Engine generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable easy and stable stacking of engine generators in the base structure of a pipe frame without adding new parts. SOLUTION: The pipe frame 14 formed by bending a pipe is used as a basic frame. The pipe frame 14 is reinforced by two base frames 15, 15 suspended at a bottom part and two side frames 16, 16 suspended at a side part of the pipe frame 14 to construct the whole frame structure. Receiving parts for mounting 16a are formed at both ends of the side frames 16. A lower part of the pipe frame 14 of other engine generator 1 is received by the receiving part for mounting 16a. Consequently, a plurality of the engine generators 1 are easily and stably stacked without adding new parts.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine generator having a pipe frame structure which can be stacked vertically.

[0002]

2. Description of the Related Art In general, an engine generator that drives a generator by an engine may store one engine engine on top of another engine engine when not in use. The use efficiency of the storage space can be improved. For example, Japanese Patent Laid-Open No. 9-1775
Japanese Patent Publication No. 59-59 discloses that a bottom wall of a case body containing an engine is provided with a hook for suspension provided on an upper wall of another engine and an escape portion for allowing a moving wheel to escape, so that the engine is provided in a soundproof case. Also disclosed is a technique for stably stacking soundproof type generators accommodating generators vertically.

[0003]

However, as a general-purpose power supply device used outdoors, etc., the engine and the engine driven in the pipe frame formed by bending the pipe are inexpensive and convenient in handling. A pipe-frame type engine generator equipped with a generator is often used, and conventionally, when stacking the pipe-frame type generators vertically for storage, etc., a new component, for example, " It was necessary to attach a U-shaped receiving part to the main body. Therefore, not only the storage work is complicated, but also when it is temporarily stacked and used immediately, the troublesome work increases and the work efficiency is lowered.

The present invention has been made in view of the above circumstances, and an object thereof is to provide an engine generator that can be stacked easily and stably without adding new parts with the basic structure of the pipe frame. There is.

[0005]

To achieve the above object, the invention according to claim 1 is an engine in which an engine and a generator driven by this engine are installed in a pipe frame formed by bending a pipe. The generator is characterized in that a reinforcing frame having a loading receiving portion capable of receiving and stacking a lower portion of a pipe frame of another engine generator of the same type is continuously provided on an upper portion of the pipe frame.

A second aspect of the invention is characterized in that, in the first aspect of the invention, the loading receiving portion is provided with a hanging hole.

That is, according to the first aspect of the present invention, there is provided a reinforcing frame having an upper portion of a pipe frame of an engine generator and a receiving portion for receiving and stacking a lower portion of a pipe frame of another engine generator of the same type. By arranging them in series,
With the basic frame structure, multiple engine generators can be easily and stably stacked without adding new parts. At that time, as in the invention according to claim 2,
Providing a hole for suspension in the loading receiver allows stable transportation and movement.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 6 relate to an embodiment of the present invention, FIG. 1 is a perspective view showing the appearance of an engine generator, FIG. 2 is a perspective view showing the basic structure of a support frame, and FIG.
Is an explanatory view showing a state in which the generators are stacked, FIG. 4 is a perspective view showing the periphery of the loading receiver, FIG. 5 is an explanatory view of the periphery of the loading receiver viewed from above, and FIG. A view from the arrow A, FIG. 7 is FIG.
FIG.

In FIG. 1, reference numeral 1 is an engine generator, and an engine 3 is driven by a substantially rectangular frame-shaped support frame 2 formed mainly by bending a pipe to generate electric power by being driven by the engine 3. A power generation unit 5 in which a generator (generator) 4 is arranged in series and integrated is elastically supported at two locations on the engine 3 side and the generator 4 side via mounts 6 and 6.

A front panel 7 is attached to the front portion of the apparatus located in front of the generator 4 of the engine generator 1. A control panel 8 provided with switches such as an engine switch and an auto throttle switch, and output terminals such as an AC power source terminal and a DC power source terminal is disposed on the upper portion of the front panel 7, and below the control panel 8.
A cooling air intake 9 is provided.

A recoil knob 10 for driving a recoil starter is provided on the side of the apparatus, and the engine 3 is started by pulling the recoil knob 10. Further, a fuel tank 11 for storing the fuel to be supplied to the engine 3 is arranged above the power generation unit 5, and a fuel cap 12 is opened and closed at a fuel supply port substantially in the center of the upper surface of the fuel tank 11. It is installed freely.
The rear panel 13 is provided at the rear of the device on the engine 3 side.
The rear panel 13 is provided with an exhaust port for exhausting exhaust gas from a muffler (not shown) of the engine 3.

As shown in FIG. 3, the engine generator 1 having such a structure has a basic frame structure in which a plurality of units can be stably stacked (stacked) vertically in advance. That is, as shown in FIG. 2, the support frame 2 has a pipe frame 14 formed by bending a pipe as a basic frame, and the pipe frame 14, which is the basic frame, is provided with two base frames 15, 15 suspended at the bottom. And the two side frames 16 and 16 suspended on the side portions of the pipe frame 14 to reinforce each other to form the entire frame structure.

The pipe frame 14 as a basic frame
Has a substantially "U" shape when viewed from the side of the device, and a continuous "U" shape when viewed from the front and rear of the device. The two base frames 15, 15 are suspended from the bottom of the pipe frame 14 at a predetermined interval substantially orthogonal to the longitudinal direction of the power generation unit 5.
Side frames 16 and 16 are respectively suspended on the upper portions of the side portions of which are substantially U-shaped and open.

The base frames 15 and 15 are reinforcing frames having a substantially channel shape, and the mounts 6 and 6, respectively.
The engine 3 and the generator 4 are attached via 6. Further, the side frames 16 and 16 are the fuel tank 1
1 and a plurality of engine generators 1
It is a reinforcing frame in consideration of stacking, and channel-shaped members whose cross sections are substantially U-shaped are arranged so as to face each other on both sides of the device.

That is, the side frame 16 is suspended at a position slightly lower than the upper surface of the support frame 2 so that the fuel tanks 11 do not hinder the stacking, and both ends are formed wider toward the upper side to increase rigidity. Has been. When stacking the other engine generators 1 on the portion formed wider toward the upper side, the pipe frame 14 of the other engine generator 1 is formed by the channel-shaped upper plane when stacking the other engine generators 1 in a stacked manner.
The receiving part 16a for loading receives the lower part of the. The loading receiving portions 16a are provided at four corners of the entire support frame 2.

Further, each loading receiving portion 16a is provided with a stepped stopper plate 17 so as to abut on the inside of the channel shape. The stopper plates are erected at positions such that the distance between them is more inside than the lower portion of the pipe frame 14 when viewed from the front of the device, and the engine generators 1 stacked on top are prevented from shifting in the left-right direction. It The stopper plate 17 is
It may be formed by bending a part of the side frame 16.

Further, since the loading receiving portion 16a is formed to have a wide width and has high rigidity, the loading receiving portion 16a is provided.
A hook hole 16b for hanging that can be used for carrying and moving when stacking the engine generators 1 is provided on the side surface of the. In other words, in the conventional engine generator with a pipe frame structure, if you apply a rope to the pipe frame, the rope will slip on the pipe, and it will be stably transported.
Although it was difficult to move, the hook hole 16b provided in the loading receiving portion 16a having high rigidity is used, and the rope is passed through the hook hole 16b to stably transport and move the engine generator 1. Can be made.

On the other hand, the displacement of the engine generators 1 stacked on top of each other in the front-rear direction when viewed from the front of the device is prevented by a plate 18 which is arranged along the base frame 15 and whose both ends are formed wide. It More specifically, as shown in FIG. 4, in the loading receiving portion 16a of the side frame 16, a cushioning plate 19 made of rubber or the like is interposed on the upper flat surface of the channel shape, and a pipe frame of another engine generator 1 is provided. It is designed to receive the lower part of the engine generator 14.
The stopper plate 17 of FIG.
As shown in, the plate 18 below the engine generator 1 on the upper side restricts the movement in the front-rear direction when viewed from the front of the apparatus.

As shown in FIGS. 6 and 7, the buffer plate 19 is provided with an elongated rectangular hole into which the stopper plate 17 is inserted, and a rod-shaped projection 19a is formed substantially at the center. Is erected. This rod-shaped protrusion 19a
A cone-shaped large-diameter portion that widens toward the base side is provided in the middle, and the buffer plate 19 is inserted into the stopper plate 17, and the projection 19a is further provided.
6A is designed to prevent falling when it is inserted into a hole formed in 6a and attached.

As described above, in the present embodiment, while making use of the low cost and the convenience of handling of the pipe frame structure,
With the basic frame structure of the engine generator 1,
Multiple engine generators 1 without adding new parts
Can be stacked easily and stably, and the storage space can be used efficiently.

[0021]

As described above, according to the present invention, the upper portion of the pipe frame of the engine generator has the loading receiving portion which can receive and stack the lower portion of the pipe frame of another engine generator of the same type. Since reinforcement frames are installed in series, multiple engine generators can be stacked easily and stably without adding new parts while maintaining the basic frame structure, and the storage space can be used efficiently. You can

[Brief description of drawings]

FIG. 1 is a perspective view showing the appearance of an engine generator.

FIG. 2 is a perspective view showing a basic structure of a support frame.

FIG. 3 is an explanatory view showing a state in which generators are stacked.

FIG. 4 is a perspective view showing the periphery of a loading receiver.

FIG. 5 is an explanatory view of the periphery of the loading receiving portion as viewed from above.

FIG. 6 is a view on arrow A in FIG.

FIG. 7 is a view on arrow B of FIG.

[Explanation of symbols] 1 engine generator 2 support frame 3 engine 4 generator 14 Pipe frame 16 side frame 16a Loading receiver 16b hook hole

Claims (2)

[Claims] 1. An engine generator in which an engine and a generator driven by the engine are installed in a pipe frame formed by bending a pipe, and an engine generator of the same type is provided on an upper portion of the pipe frame. An engine generator characterized in that a reinforcing frame having a loading receiving portion capable of receiving and stacking a lower portion of a pipe frame is continuously provided. 2. The engine generator according to claim 1, wherein the loading receiving portion is provided with a hanging hole.