JP3536965B2 - Refueling detector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forklift provided with a device for lifting or pinching a heavy object by utilizing hydraulic pressure, and stores a hydraulic oil which is a source of the hydraulic pressure. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil supply detector used for supplying hydraulic oil to an oil tank and for simply and quickly notifying that a sufficient amount of oil has been supplied into the oil tank.

[0002]

2. Description of the Related Art Conventionally, hydraulic oil considered to be appropriate is supplied to an oil tank, a rod-shaped oil gauge is inserted into the oil tank, and a sufficient amount of oil is supplied from the oil attached to the oil gauge. It was confirmed by the operator's eyes whether or not the operation was performed.

[0003]

Conventionally, a hydraulic oil which is considered appropriate is supplied to an oil tank, a rod-shaped oil gauge is inserted into the oil tank, and a sufficient amount of oil attached to the oil gauge is used. The operator had to check whether or not the oil was supplied by the operator's eyes, so that the same operation had to be repeated many times, which was very troublesome. Further, the oil was transparent, and it was difficult to see with the oil attached to the oil gauge, and the work efficiency was very poor. The present invention has been devised in order to eliminate such inefficiency of the work.

[0004]

Means for Solving the Problems The present invention basically comprises:
A float with an aluminum foil attached to the upper surface is arranged below the inside of the pipe of the oil supply device that supplies oil to the oil tank, and the electrode needle is fixed at a predetermined distance from the upper surface of the float, and the aluminum foil is raised by the upward movement of the float. In this configuration, an electric circuit is formed by the contact of the tip of the electrode needle with the tip of the electrode needle, and an alarm is performed. In this case, only one injection operation is required, and the visual confirmation operation is eliminated to improve the operation efficiency.

[0005] Further, a shield plate which is divided into two parts from the upper part to the lower part of the pipe of the oil supply device for supplying oil to the oil tank is fixed obliquely, and the oil supply port and the detection port are divided so that the lifting work can be performed. And the refueling operation can be completed accurately and quickly.

[0006] Further, a shield plate which is divided into two parts from the upper side to the lower part of the pipe of the oil supply device for supplying oil to the oil tank is fixed diagonally to divide the oil supply port and the detection port, and the oil supply port side is provided. An exhaust port for releasing the back pressure is formed slightly above the oil supply port, and by removing the back pressure, the fluidity of the oil is ensured to speed up the oil supply operation.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. A float 2 is arranged inside the lowermost end of a pipe 1, and an aluminum foil 3 is attached to the upper surface of the float. The float 2 has a structure in which the float 2 rises and falls according to the amount of oil in the oil tank, and a round bar 4 is fixed to the lower end of the pipe 1 in the vicinity of a substantially diameter portion so that the float 2 does not fall.

When the amount of oil in the oil tank has reached an appropriate level, the electrode needle 5 is fixed via the fixing member 6 in the pipe 1 at a position where the aluminum foil 3 on the float 2 contacts the tip of the electrode needle 5. are doing. The electrode needle 5 is connected to both poles of the battery 7 so that the oil amount in the oil tank 3 becomes an appropriate amount.
When the aluminum foil 3 on the upper surface of the float 2 comes into contact with the tip of the electrode needle 5, the two poles are connected, and the relay 8 is activated to activate an alarm such as a buzzer.
Activate 9

Incidentally, four long holes 20 are formed from the lowermost position of the pipe 1 so as to expedite oil discharge from the detection port 12.

A part of the fixing member 6 is vertically cut out, and a shielding plate 10 formed diagonally upward from the lower end of the notch and formed upward from the end to the upper end of the pipe is fixed. Is divided into a fuel supply port 11 and a detection port 12.

A shielding plate 10 for dividing the inside of a pipe 1 into two parts
, The fuel supply port 11 and the detection port 12 are divided into two parts, and an exhaust port 1 higher than the fuel supply port 11 is provided at a position opposite to the fuel supply port 11.
No. 3 is formed, and the back pressure is removed to ensure smooth oil flow.

[0012]

According to the present invention, since the above-mentioned structure is employed, it is possible to simply and quickly notify that a sufficient amount of oil has been supplied into the oil tank, and furthermore, it is possible to make the oil flow smooth. In addition to this, if the oil supply port of the oil tank (not shown) is almost equal to the outside diameter of the pipe, there is no escape route for air when refueling. Since the pressure of the air that has become large and lack of quick refueling is required, a relief path for this air is secured by forming an exhaust port, so that smooth refueling work can be performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the internal structure of one embodiment of the present invention.

FIG. 2 is a perspective view showing one embodiment of the present invention.

FIG. 3 is a perspective view showing another embodiment of the present invention.

[Explanation of symbols]

1 pipe 2 float 3 Aluminum thin 4 round bar 5 Electrode needle 6 Fixing member 7 Battery 8 relay 9 Buzzer 10 Shield plate 11 Filling port 12 Detection port 20 long hole

Claims (2)

(57) [Claims] An oil supply port and a detection port are formed in said pipe by fixing a shielding plate that divides the inside of a pipe of an oil supply device that supplies oil to an oil tank from upper part to lower part. At the detection port, a float with an aluminum foil attached to the upper surface is arranged and the electrode needle is fixed at a predetermined interval from the upper surface of the float, and the aluminum foil and the tip of the electrode needle come into contact with the rising operation of the float. A refueling detector characterized by forming an electric circuit and activating an alarm. 2. The refueling detector according to claim 1, wherein an exhaust port for releasing back pressure is formed on the refueling port side.