JPH0723198B2 - Refueling machine - Google Patents

Description

TECHNICAL FIELD The present invention relates to a fuel dispenser installed at a fueling station for fueling a vehicle such as gasoline with fuel such as gasoline.

[Conventional technology]

Among such oil fillers, the ground fixed type is provided with an oil feed pump connected to an oil feed motor in the housing, a flow meter connected to a flow rate pulse transmitter, and the discharge pipe end of the flow meter is led out of the housing. A nozzle hose having a nozzle switch that turns on and off is formed on the side or front of the housing by connecting an oil supply hose having an oil supply nozzle to the end of the discharge pipe, and connecting or disconnecting the oil supply nozzle at the side or front of the housing. The front of the is equipped with an indicator that displays refueling data such as the amount of refueling.

In addition, a control board having an electronic circuit utilizing a microcomputer or the like as a control mechanism is provided in the housing, and the control board is connected to a display, a drive circuit for refueling data and the like, and a nozzle switch.

An oil supply mechanism and a control mechanism composed of these oil supply pumps, oil supply motors, etc. are built in a housing whose front surface is formed as an open surface, and an integral cover is attached to the front surface of the housing.

By the way, in order to install such a refueling machine at a gas station, first, in advance, set up a refueling pipe communicating with an underground tank on the island installed on the ground and a signal line from a power transmission line or a POS in an office, Anchor bolts are buried in the island.

Then, place the refueling machine on the island, remove the front cover to open the front side of the refueling machine, and from this open surface, fix the housing to the eyeline with anchor bolts embedded in the island in advance. The suction pipe of the pump in the housing is connected to the oil supply pipe that had been started up in advance via the pipe joint, and the power line and signal line that were previously started up in the island are connected to the control panel and oil supply motor in the housing. Connect the power transmission line and signal line from the drive circuit in the joint box.

[Problems to be Solved by the Invention]

By the way, the connection part of the pipe or wiring by the pipe joint or joint box and the fixing part by the anchor bolt of the housing are the lower part in the housing, and in order to perform this connection and fixing work, only the lower part of the front surface of the housing is opened. If so, the space required for work can be secured.

However, in the conventional fuel dispenser, since the cover for covering the front opening of the housing is integrally formed as described above, if the front cover is removed, the entire front surface is opened.

For this reason, the oil supply pump and the flow meter, which are not necessary for installation and connection work, are directly exposed to the outside, and the oil supply pump and the flow meter, which are precision parts, may be damaged during the work.

In particular, the construction work of the refueling machine is actually carried out by a civil engineering contractor, so the refueling machine may be roughly handled, and there is a great risk of damage to precision parts such as the refueling pump and the flow meter.

An object of the present invention is to solve the problems of the conventional example, prevent damage to precision parts such as a fuel pump and a flow meter when installing a fuel tank on an island, and facilitate installation work. To provide.

[Means for Solving the Problems]

In order to achieve the above object, the present invention accommodates an oil supply mechanism such as an oil supply pump and a flow meter in a housing body, an indicator is provided in a top portion provided above the housing body, and an oil supply hose having an oil supply nozzle at a center. In the oil dispenser that connects the discharge pipe of the flow meter to the discharge pipe of the flow meter, the oil supply pump and the flow meter are installed in the upper part of the front housing main body, and the oil supply pipe from the oil storage tank is connected to the joint box in which the connection terminals for the transmission line and signal line are installed in the lower part A pipe joint for connecting the oil supply pump and the oil supply pump is provided, and an upper end frame having an engaging portion is provided at the upper end of the front opening of the housing body, an intermediate frame having a stopper is provided at the lower end, and a locking portion is provided at the lower end. The upper end of the upper cover that covers the upper front opening of the housing body is provided with a hooking engagement portion, and the lower end is provided with a fastening portion and a support portion. The lower cover that covers the lower part of the front opening is provided with a hook locking portion at the upper end and a lock portion at the lower end, the hook locking portion of the upper cover is engaged with the engaging portion of the upper frame, and the fastening portion is the middle frame. The gist of the present invention is that it is fastened to the stopper, the hook engaging portion of the lower cover is supported by the support portion of the upper cover, and the lock portion is locked by the lock portion of the frame at the lower end.

[Action]

According to the present invention, the front opening of the upper part of the housing main body where the precision parts such as the oil pump and the flow meter are arranged and the front opening of the housing main body where the joint box and the oil supply pipe joint are arranged are , Each is covered by a separate removable cover.

Therefore, at the time of installing the refueling machine, only the cover attached to the lower part of the housing main body is removed, and only the joint box and the part of the refueling pipe joint are exposed for connection work. At this time, the oil pump, flow meter, etc. located in the upper part of the housing body are covered with separate covers, so these oil pump, flow meter, etc. are exposed and damaged during construction. There is no danger of

〔Example〕

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a partially cutaway front view showing an embodiment of a refueling machine of the present invention, and FIG. 2 is a vertical sectional side view of a front cover part which is a main part of the refueling machine. 1 is a concrete island installed on the ground, 2 is a refueling machine that is erected on the island 1 by anchor bolts 3, and a refueling pipe that communicates with an underground oil storage tank (not shown) on the island 1 4, the power transmission line 5, and the signal line 6 connected to the gas station data input / output device (POS) installed in the office have been started up.

The housing of the refueling machine 2 is a housing main body 7, and this main body 7
The housing main body 7 is composed of a hollow strut portion 8 disposed on both right and left sides of the main body 7 and a top portion 9 disposed between the strut portions 8 and 8 above the main body 7 with a space therebetween.
And a front cover for closing the front opening 10 of the frame 7a
It is composed of 11 and.

An oil supply pump 13 having a suction pipe 13a and a flow meter 15 to which a flow rate pulse transmitter 14 is connected are provided above the housing body 7, and an oil supply motor 16 connected to the oil supply pump 13 has an explosion-proof structure inside the housing body 7. It is installed in the lower part of. Then, the end of the discharge pipe 30 of the flow meter 15 is raised in the left and right support parts 8 and led out to the side parts of the support parts 8, where it is connected to a fuel supply hose 18 having a fuel supply nozzle 17 at the tip. .

In addition, the terminals of the power supply line and the signal line connected to the refueling motor 16 and the control board 20 with an electronic circuit provided in the upper part of the housing body 7 are provided in the joint box 19 provided in the lower part of the housing body 7. Arranged.

In the figure, 21 is an indicator for displaying refueling data such as a refueling amount arranged on the top 9 of the refueling machine 2, 22 is a nozzle hook formed on the front surface of the housing body 7, and the nozzle hook 22 is refueled. A nozzle switch that turns on and off in synchronization with the hanging of the nozzle 17 is provided.

In the fuel dispenser having such a configuration, in the present invention, as the frame 7a forming a part of the housing body 7, the frame 7a at the upper end having the engaging portion 28 is provided at the upper end of the front opening 10 of the housing body 7. An intermediate frame 7a having a stopper 29 at the intermediate portion and a lower end frame having a locking portion at the lower end.
7a are provided respectively, a front cover 11 that covers the front opening 10 of the housing body 7, an upper cover 11a that covers the front opening 10a at the top of the housing body 7, and a lower part that covers the front opening 10b at the bottom of the housing body 7. It is formed as a separate body from the cover 11b, and a hook locking portion 23 for the frame 7a of the housing body 7 is formed at the upper end of the upper car 11a.
The lower end is provided with a fastening portion 24 to the frame 7a and a support portion 25 for supporting the lower cover 11b, and the lower cover 11b is provided with an upper cover 1 at the upper end.
The hook locking portion 26 of 1a is formed, and the lock portion 27 for the frame 7a is formed at the lower end.

As described above, the hook engaging portion 2 at the upper end of the upper cover 11a
3 is locked by a locking portion 28 formed on the frame 7a at the upper end of the housing body 7, and the fastening portion 24 at the lower end is at the upper frame 7a.
Is fixed to the upper cover 11a with a stopper 29 such as a screw.
Is freely attached to the front opening 10a in the upper part, and the hook locking part 26 at the upper end of the lower cover 11b is hooked and locked at the support part 25 at the lower end of the upper cover 11a, and the lock part 27 at the lower end is formed. It is locked and attached to the frame 7a at the upper end of the housing body 7, and the lower cover 11b is attached to the lower front opening 10b. In this way, the oil supply pump 13, the flow meter 15 and the like arranged in the upper part of the housing body 7 are covered with the upper cover 11a, and the suction pipe 13a of the oil supply pump 13 and the joint box 1
9 and the like are covered by the lower cover 11b.

The nozzle hook 22 is formed on the upper cover 11a side of the front cover 11.

Next, the mounting method will be described.

To install the refueling machine 2 on the island 1, unlock the lock portion 27 of the lower cover 11b of the housing body 7, hold the lower cover 11b by hand, and lift it up a little to catch the hook 26 at the upper end. Is disengaged from the support portion 25 of the upper cover 11a, so that the lower cover 11b is disengaged from the housing main body 7 and the lower front opening 10b of the housing main body 7 is opened.

In this state, the refueling machine 2 is placed on the island 1, and the refueling machine 2 is fixed to the island 1 with the anchor bolts 3 through the lower front opening 10b. Also, the pipe joint 12 is used to suck the refueling pump 13. The pipe 13a is connected to the oil supply pipe 4, and the transmission line 5 and the signal line 6 are connected in the joint box 19.

At this time, only the lower front opening 10b of the front opening 10 of the housing body 7 of the fuel dispenser 2 is opened, and the upper front opening 10a is covered with the upper cover 11b. Precision parts such as the oil supply pump 13 and the flow meter 15 arranged in the upper portion of the main body 7 are not exposed to the outside. Therefore, when installing the refueling machine 2, the refueling pump 13 and the flow meter 15
There is no chance that a person or a tool of the construction will come into contact with this and damage it.

Since the refueling motor 16 is disposed in the lower part of the housing body 7, it will be exposed during the installation work of the refueling machine 2, but the refueling motor 16 is housed in a strong case especially as an explosion-proof structure. Therefore, unlike precision measuring instruments such as the flow meter 15, it is relatively strong, and even if it comes into contact during construction, there is no risk of its function being impaired.

In addition, as the type of the fuel filler, the fuel filler 2
Even in the case where the nozzle hook 22 is formed on the front surface of the above, since it is not necessary to remove the upper cover 11a on which the nozzle hook 22 is formed at the time of installation, the installation work can be easily performed.

Next, for example, when removing the upper cover 11a for maintenance of the oil supply pump 13 or the like, first remove the lower cover 11b in the same manner as described above, then remove the oil supply nozzle 17 from the nozzle hook 22, and then, The stopper 29 of the fastening portion 24 is removed to release the coupling between the upper end of the upper cover 11a and the frame 7a of the housing main body 7, and in this state, the upper cover 11a is held by hand and pulled up a little, and the hook engaging portion of the upper end is pulled up. 23 and the engagement portion 28 on the frame 7a side are released, and the upper cover 11a is attached to the frame 7
Remove from a.

As a result, the upper cover 11a is removed from the upper front opening 10a, and this surface is opened, so that the oil supply pump 13, the flow meter 15 and the like inside the housing body 7 are exposed.

〔The invention's effect〕

As described above, the refueling machine of the present invention includes the front opening of the upper part of the housing main body in which precision parts such as a refueling pump and a flow meter are arranged, and the front surface of the lower part of the housing main body in which a joint box and a pipe joint are arranged. The openings are detachably covered with split covers, so when installing the refueling machine, remove only the lower cover to expose only the joint box and piping joints necessary for installation work, and other refueling pumps. Precision parts such as the flow meter can be kept covered with the cover on the top.
The flowmeter and the like can be protected by this upper cover, and it is possible to prevent these from being damaged.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cutaway front view showing an embodiment of a fuel dispenser of the present invention, and FIG. 2 is a vertical cross-sectional side view of a front cover portion which is a main part of the same. 1 ... Island, 2 ... Refueling machine 3 ... Anchor bolt, 4 ... Refueling pipe 5 ... Transmission line, 6 ... Signal line 7 ... Housing body, 7a ... Frame 8 ... Strut part, 9 ... … Top 10 …… front opening, 10a …… top front opening 10b …… bottom front opening 11 …… front cover 11a …… top cover, 11b …… bottom cover 12 …… pipe joint, 13 …… Refueling pump 13a …… Suction pipe, 14 …… Flow pulse transmitter 15 …… Flow meter, 16 …… Refueling motor 17 …… Refueling nozzle, 18 …… Refueling hose 19 …… Joint box 20 …… Control panel, 21… … Indicator 22 …… Nozzle hook, 23 …… Hooking lock part 24 …… Fastening part, 25 …… Bearing part 26 …… Hooking lock part, 27 …… Lock part 28 …… Engagement part, 29… … Stoppers 31 …… Discharge pipes

Claims (1)

[Claims] 1. An oil supply mechanism such as an oil supply pump and a flow meter is housed in a housing main body, an indicator is installed in the top provided above the housing main body, and an oil supply hose having an oil supply nozzle at the tip is discharged from the flow meter. In the refueling machine connected to the pipe,
Install an oil pump and a flow meter at the top of the front housing body.
A joint box with connection terminals for transmission lines and signal lines is provided in the lower part, and a pipe joint for connecting the oil supply pipe from the oil storage tank to the oil supply pump is provided, and an engaging portion is provided at the upper end of the front opening of the housing body. The top frame is in the middle,
An intermediate frame having a stopper is provided at the lower end, a lower end frame having a locking portion is provided, and a hook locking portion is provided at the upper end of an upper cover that covers the upper front opening of the housing body.
The lower end is provided with a fastening part and a support part, the lower cover that covers the lower part of the front opening of the housing body is provided with a hooking engagement part at the upper end, and the lower end is provided with a lock part. Engage with the engaging part, fix the fastening part to the stopper of the intermediate frame, support the hook locking part of the lower cover to the support part of the upper cover, and the lock part to the locking part of the frame at the lower end. A refueling machine characterized by being locked.