JP2015205653A - Tank cap holding structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tank cap holding structure which is neither forgotten from leaving a tank cap unclosed nor increasing components.SOLUTION: An opening/closing structure for a fuel filler cap 10 comprises: a fuel filler cap 10; a tank cap hanger 20; a fuel filler cap lid fitting member 30; and a connection member 40. To the tank cap hanger 20, a back face 12 of the fuel filler cap 10 is slidably attached, and a cap holding part 21 is formed at the leading end of the tank cap hanger 20. When the fuel filler cap 10 is opened from a fuel filter port 1, the fuel filler cap 10 slides transversely while rising from the fuel filler cap 1, and the tank cap hanger 20 slides when the fuel filler cap 10 is opened from the fuel filter port 1, so that the cap holding part 21 of the tank cap hanger 20 extends from the end part of the fuel filler cap 10 to thereby hold the tank cap.

Description

  The present invention relates to a tank cap holding structure that is attached to an oil filler lid that closes an oil filler opening of a vehicle body.

When fuel is supplied to the fuel tank for automobiles, the fuel filler lid 101 that closes the fuel filler provided in the vehicle body is opened, and fuel is supplied from the fuel filler.
At this time, as shown in FIG. 14, the fuel filler lid 101 is attached to the vehicle body by the lid inner member 110 being attached to the back surface and the arm member 120 attached to the vehicle body rotatably attaching the lid inner member 110. (For example, refer to Patent Document 1).

  The attachment of the lid inner member 110 by the arm member 120 is such that the lid attachment shaft 114 attached to the lid inner member 110 is rotatably attached to the tip of the arm member holding arm 121 of the arm member 120. As a result, when the fuel filler lid 101 is opened, the fuel filler lid 101 and the lid inner member 110 can rotate about the lid attachment shaft 114 and be supplied from the fuel filler.

When the fuel filler lid 101 and the lid inner member 110 are opened, the lock pin provided on the vehicle body is removed from the lid lock hole 113 formed in the lid lock piece 112 of the lid inner member 110.
After opening the filler cap 1001 and the lid inner member 110, the tank cap (not shown) attached to the filler port is removed, and the tank cap is temporarily attached to the tank cap holder 115 provided on the lid inner member 110. Hold and insert a fuel gun (not shown) into the fuel filler port to refuel.

  However, since the tank cap holding portion 115 is formed in a state of protruding from the sheet metal lid inner member 110 or the synthetic resin filler cap 101, the tank cap is caught when the filler cap 101 is opened and closed. Or, there are some that can close the filler cap 101 even if the tank cap is forgotten to be closed at the filler port. Since the tank cap holding part 115 is formed so as to protrude, other parts may be easily caught.

JP-A-7-112686

  Therefore, the present invention is intended to provide a tank cap holding structure that does not forget to close the tank cap and does not increase the number of parts.

In order to solve the above-mentioned problem, the present invention of claim 1 is a tank cap holding structure that is attached to a filler cap that closes a filler port of a vehicle body.
The tank cap holding structure includes an oil filler lid, a tank cap hanger attached to the back of the oil filler lid, an oil filler lid attaching member for attaching the oil filler lid to the vehicle body, and a connecting member for connecting the oil filler lid attaching member and the oil filler lid. The tank cap hanger is slidably or rotatably attached to the back surface of the fuel filler cap, and a tank cap holding structure for holding the tank cap is formed at the tip of the tank cap hanger. It is.

According to the first aspect of the present invention, in the tank cap holding structure that is attached to the oil filler lid that closes the oil filler opening of the vehicle body, the tank cap holding structure includes an oil filler lid, a tank cap hanger attached to the back surface of the oil filler lid, and an oil filler. An oil supply lid attaching member for attaching the palate to the vehicle body, and a connecting member for connecting the oil supply lid attaching member and the oil supply lid. For this reason, it is possible to attach an oil filler lid that closes the fuel filler opening of the vehicle body to the vehicle body with an oil filler lid attachment member, open and close the oil filler lid by rotating the connecting member, and securely hold the tank cap with the tank cap hanger. it can.

The tank cap hanger is slidably or rotatably attached to the back surface of the fuel filler cap, and a cap holding portion that holds the tank cap is formed at the tip of the tank cap hanger. For this reason, when the filler opening lid is opened, the tank cap removed from the filler opening can be held in the cap holding portion at the tip of the tank cap hanger.

According to the second aspect of the present invention, when the fuel filler cap is opened from the fuel filler port, the fuel cap is slid laterally while rising from the fuel filler port, and when the fuel filler cap is opened from the fuel filler port, the tank cap hanger is The tank cap holding structure allows the tank cap to be held by sliding the cap holding portion of the tank cap hanger overhanging from the end of the fuel filler cap.

In the present invention of claim 2, when the fueling lid is opened from the fueling port, the fueling cap is slid laterally while rising from the fueling port, and when the fueling cap is opened from the fueling port, the tank cap hanger is The tank cap holding structure allows the tank cap to be held by sliding the cap holding portion of the tank cap hanger overhanging from the end of the fuel filler cap. For this reason, the fuel filler lid can be lifted from the fuel filler port and slid, and the fuel filler lid does not obstruct the fueling. The tank cap hanger slide may be a roller member or a manual slide.

In addition, the cap holder can be extended from the filler cap only when it is necessary to hold the tank cap, and the cap holder does not obstruct the opening and closing of the filler cap. There is no need to catch parts. Furthermore, if the tank cap is held in the cap holding part, the cap holding part becomes an obstacle and the fuel filler lid cannot be closed. Therefore, the tank cap is not forgotten to be closed at the fuel filler and the fuel filler lid is not closed.

According to a third aspect of the present invention, the cap holding portion has a semicircular recess at the tip, and an opening / closing structure of the fuel filler cap that holds the tank cap in the semicircular recess.

  According to the third aspect of the present invention, the cap holding portion has a semicircular recess at the tip, and the tank cap hanger is slid to lubricate the cap cap at the tip to hold the tank cap in the semicircular recess. The tank cap can be securely held in the semicircular recess by protruding from the palate, and only the portion necessary for holding the tank cap can be projected, so that the tank cap hanger does not get in the way.

According to a fourth aspect of the present invention, the cap holding portion has a groove portion at the tip, and an opening / closing structure of a fuel filler cap that locks the tank cap in the groove portion.

  In the present invention of claim 4, the cap holding part has a groove part at the tip, and the tank cap is locked to the groove part. Therefore, the tank cap hanger is slid so that the cap holding part at the tip protrudes from the filler cap. The tank cap can be securely locked to the groove, and only the portion necessary for holding the tank cap can be projected, so that the tank cap hanger does not get in the way.

According to the present invention of claim 5, a rail member is attached to the back surface of the fuel filler lid, a rail groove portion is formed in the tank cap hanger to be fitted into the rail member, and the tank cap hanger is configured to open and close the fuel filler lid that slides along the rail member. It is.

  In this invention of Claim 5, a rail member is attached to the back surface of a fuel filler cap, the rail groove part fitted in a rail member is formed in a tank cap hanger, and a tank cap hanger slides along a rail member. For this reason, the tank cap hanger can be securely attached to the back of the fuel filler lid and can be smoothly slid.When the fuel filler lid is opened, the cap holder is projected from the fuel filler lid so that the tank cap is securely attached. Can be held. Further, when closing the fuel filler lid, the tank cap hanger can be securely stored on the lower surface of the fuel filler lid.

According to a sixth aspect of the present invention, the connecting member is an opening / closing structure of a fuel filler cap that is a bent hinge member.

  In the present invention of claim 6, since the connecting member is a bent hinge member, when opening the fuel filler cap, the fuel filler cap 10 is lifted from the fuel filler port, and further moved to a side portion of the fuel filler cap. it can.

According to the seventh aspect of the present invention, the tank cap hanger is attached to the back surface of the fuel filler cap with a hanger mounting pin, the tank cap hanger is rotatably mounted around the hanger mounting pin, and the cap holding portion is rotated from the rotational transition. This is a tank cap holding structure that protrudes from an end portion of the fuel filler cap and can hold the tank cap.

  In the present invention of claim 7, the tank cap hanger is attached to the back surface of the fuel filler cap with a hanger mounting pin, the tank cap hanger is rotatably mounted around the hanger mounting pin, and the cap holding portion is provided by rotation transfer. The tank cap can be held by projecting from the end of the fuel filler cap. For this reason, the tank cap hanger can be easily taken out from the back surface of the fuel filler cap, and the tank cap hanger can be easily attached. In addition, it can be extended from the filler cap only when it is necessary to hold the tank cap, and the cap holder does not get in the way of opening and closing the filler cap, and other parts can be hooked on the cap holder. Absent. Furthermore, if the tank cap is held in the cap holding part, the cap holding part becomes an obstacle and the fuel filler lid cannot be closed. Therefore, the tank cap is not forgotten to be closed at the fuel filler and the fuel filler lid is not closed.

The tank cap hanger is slidably or rotatably mounted on the back surface of the fuel filler cap, and a cap holding portion that holds the tank cap is formed at the tip of the tank cap hanger. The tank cap removed from the fuel filler opening can be held.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view showing a first embodiment of the present invention with a fuel filler lid closed. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a first embodiment of the present invention, and is a perspective view of a state in which a tank cap hanger is housed on the back surface of a fuel filler cap as viewed obliquely from below. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view showing a first embodiment of the present invention in a state where a fuel filler cap is opened. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a first embodiment of the present invention, and is a perspective view of a state in which a fuel filler cap is opened as viewed obliquely from above. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 illustrates a first embodiment of the present invention and is a front view of a state in which a fuel filler cap is closed. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a first embodiment of the present invention and is a front view of a state in which a fuel filler cap is opened. The 2nd Embodiment of this invention is shown and it is the perspective view which looked at the state which opened the fuel filler cap from diagonally upward. The 3rd Embodiment of this invention is shown and it is the perspective view which looked at the state which opened the fuel filler lid from the downward direction. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a first embodiment of the present invention, and is a perspective view of a fuel filler cap as viewed obliquely from below. The 1st Embodiment of this invention is shown and it is the perspective view which looked at the hinge member from diagonally side. BRIEF DESCRIPTION OF THE DRAWINGS It is the perspective view which showed the 1st Embodiment of this invention and looked at the roller from diagonally side. BRIEF DESCRIPTION OF THE DRAWINGS It is the perspective view which showed the 1st Embodiment of this invention and looked at the tank cap hanger from diagonally downward. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a first embodiment of the present invention, and is a perspective view of an oil filler lid mounting member as viewed from obliquely below. It is a perspective view which shows the state which attached the oil filler lid and the lid inner member to the arm member in the state which opened the conventional oil filler lid.

The present invention relates to an opening / closing structure of an oil filler lid 10 that opens and closes an oil filler lid 10 that closes an oil filler opening 1 of a vehicle body. Embodiments of the present invention will be described with reference to FIGS.
First, the first embodiment will be described, and the second embodiment will be described later.
In the first embodiment, the fuel filler cap 10, the tank cap hanger 20 attached to the back surface 12 of the fuel filler cap 10, the fuel filler cap attachment member 30 that attaches the fuel filler lid 10 to the vehicle body, the fuel filler cap attachment member 30, and the oil supply. Each of the connecting members that connect the palate 10 will be described, and the rotation of the fuel filler cap 10 will be described later.

As shown in FIG. 1, the fuel filler lid 10 is formed in accordance with the shape of the fuel filler 1 in order to close the fuel filler 1 of the vehicle body. In 1st Embodiment, although formed circularly, according to the shape of the fuel filler opening | mouth 1, it can form in an ellipse or a rectangle. The upper surface 11 of the fuel filler cap 10 is painted according to the color of the vehicle body to form a smooth plane.
When fuel is supplied to an automobile fuel tank, the fuel filler lid 10 that closes the fuel filler provided in the vehicle body is opened, and fuel is supplied from the fuel filler 1.

As shown in FIG. 2 and FIG. 9, on the back surface 12 of the fuel filler lid 10, oil filler lid mounting legs 13 extending downward are formed in parallel at two locations.
The fuel filler lid mounting leg 13 is formed with a fuel filler lid first mounting hole 14 and a fuel filler lid second mounting hole 15, respectively. A hinge member 40, which is a connecting member, which will be described later, is attached to the oil filler lid first attachment hole 14 and the oil filler lid second attachment hole 15.

  An oil supply lid rail member 16 extending in parallel with the oil supply cover attachment leg 13 is provided between the oil supply cover attachment legs 13 on the back surface 12 of the oil supply cover 10. The fuel filler lid rail member 16 has an H-shaped cross section, and a tank cap hanger 20 described later is slidably fitted therein.

Next, the tank cap hanger 20 will be described with reference to FIGS.
The tank cap hanger 20 is formed in a plate shape, and is attached to the back surface 12 of the fuel filler cap 10 so as to be slidable. A rail groove portion 22 is formed in the longitudinal direction in the center portion of the tank cap hanger 20. The fuel filler lid rail member 16 is fitted into the rail groove portion 22, and the tank cap hanger 20 slides along the fuel filler lid rail member 16.

For this reason, the tank cap hanger 20 can be securely attached to the back surface of the fuel filler cap 10 and can be smoothly slid. When the fuel filler cap 10 is opened, the tank cap can be securely held. Further, when closing the fuel filler lid 10, the tank cap hanger 20 can be reliably stored on the lower surface of the fuel filler lid 10.

A cap holding portion 21 that holds the tank cap is formed at the tip of the tank cap hanger 20. In the first embodiment of the present invention, the cap holding portion 21 is formed as a semicircular recess. As will be described later, the tank cap hanger 20 can be slid on the back surface 12 of the fuel filler lid 10 so that the cap holding portion 21 at the tip protrudes from the fuel filler lid 10 and the tank cap can be held in the semicircular recess. For this reason, only the part required for holding | maintenance of a tank cap can be made to overhang from the fuel filler lid 10, and the tank cap hanger 20 does not become obstructive at the time of fueling.

Next, the fuel filler cap attaching member 30 will be described based on FIGS. 2 to 4 and 13.
The fuel filler lid mounting member 30 includes a mounting wall 31 attached to the side wall of the fuel filler 1, two side walls 32 extending from both side edges of the mounting wall 31, and a right angle from the bottom side and the side wall 32 of the mounting wall 31. The bottom wall 33 extending to the top is superior.

The mounting wall 31 is formed with two vehicle body mounting holes 38 that are screwed to the side wall of the fuel filler 1.
The two side walls 32 extending from both side ends of the mounting wall 31 are respectively attached to the upper portion on the side away from the mounting wall 31 to a first hinge member 41 of a hinge member 40 described later. A mounting portion 34 is formed, and a first hinge mounting hole 35 is formed in the first hinge mounting portion 34.

Further, a second hinge attachment portion 36 to which a second hinge member 43 of a hinge member 40 described later is attached on the side close to the attachment wall 31 of the two side walls 32 extending from both side ends of the attachment wall 31. Are formed, and a second hinge mounting hole 37 is formed in the second hinge mounting portion 36.

Next, the hinge member 40 that is a connecting member that connects the fuel filler lid 10 and the fuel filler lid mounting member 30 will be described with reference to FIGS. 2 to 4 and 10.
As shown in FIG. 10, the hinge member 40 is a bent plate-like member, and two first hinge members 41 and two second hinge members 43 are used. A first hinge connection hole 42 and a second hinge connection hole 44 are formed at both ends of the first hinge member 41 and the second hinge member 43, respectively.

Next, the roller 50 is demonstrated based on FIG. 2 and FIG.
The roller 50 includes a first roller 51 that is integrally formed at the distal ends of the first hinge member 41 and the second hinge member 43, and a second roller 52 that is attached to the filler cap 10 and abuts against the tank cap hanger 20. Is done. The first roller 51 and the second roller 52 can be gears, and the first roller 51 and the second roller 52 can be rotated by meshing the gears. The first roller 51 formed on the second hinge member 43 can be eliminated, but using the same shape as the first hinge member 41 can reduce the number of parts. What formed the 1st roller 51 in the member 43 can be used.

As shown in FIGS. 5 and 6, the first hinge member 41 is attached by a hinge pin 55 whose one end penetrates the first hinge attachment hole 35 and the first hinge connection hole 42 of the fuel filler lid attachment member 30. The other end of the first hinge member 41 is integrally attached to the first hinge connecting hole 42 by fitting the first roller 51 with the first roller pin 53, and penetrates the fuel filler cap first attachment hole 14. The first roller pin 53 is attached to the fuel filler cap 10.
In addition, the 1st hinge member 41, the 1st roller 51, and the 1st roller pin 53 can be formed integrally. At this time, the first roller pin 53 can be attached to the fuel filler lid first attachment hole 14.

The second hinge member 43 is attached by a hinge pin 55 having one end penetrating the second hinge attachment hole 37 and the second hinge connection hole 44 of the fuel filler lid attachment member 30. The other end of the second hinge member 43 is integrally attached to the second hinge connecting hole 44 by fitting the first roller 51 with the first roller pin 53 and penetrates the second filler hole mounting hole 15. The first roller pin 53 is attached to the fuel filler cap 10. In addition, attaching the first roller 51 to the second hinge member 43 can be omitted.

Since the first roller 51 attached to the first hinge member 41 is fixed to the first hinge member 41, as the first hinge member 41 rotates around the hinge pin 55, the first roller 51 and the second roller 51 The point where the roller 52 comes into contact moves, and the second roller 52 that comes into contact rotates. The tank cap hanger 20 can be slid by the rotation of the second roller 52.

Next, the opening and closing of the fuel filler cap 10 and the movement of the tank cap hanger 20 will be described with reference to FIGS.
When the fuel filler lid 10 is closed at the fuel filler opening of the vehicle body, the tank cap hanger 20 is housed on the back surface 12 of the fuel filler lid 10 as shown in FIGS.

  When the fuel filler lid 10 is unlocked and the fuel filler lid 10 starts to open, the first hinge member 41 and the second hinge member 43 start to rotate around the hinge pin 55. When the first hinge member 41 and the second hinge member 43 start to rotate, the other ends of the first hinge member 41 and the second hinge member 43 can also float the fuel filler lid 10 upward from the fuel filler 1.

At that time, the first roller 51 attached to the first hinge member 41 also moves in an arc shape as the first hinge member 41 rotates. When the first roller 51 starts to rotate, the second roller 52 that contacts the first roller 51 also starts to rotate, and the tank cap hanger 20 that contacts the second roller 52 also slides in the direction opposite to the movement of the fuel filler cap 10.
In this embodiment, the tank cap hanger 20 is slid using the first roller 51 and the second roller 52, but the tank cap hanger 20 is manually operated without using the first roller 51 and the second roller 52. You can also slide it.

  Further, when the first hinge member 41 and the second hinge member 43 have finished pivoting about the hinge pin 55, as shown in FIGS. 3 and 6, the fuel filler lid 10 is detached from the fuel filler port 1 and positioned laterally. To do. At that time, as shown in FIGS. 3, 4, and 6, the tank cap hanger 20 has a cap holding portion 21 protruding from the fuel filler lid 10. The cap holding part 21 can protrude from the fuel filler lid 10 only when it is necessary to hold the tank cap. The cap holding part 21 does not obstruct the opening and closing of the fuel filler lid 10, and the cap holding part 21. There is no need to catch other parts. Moreover, the cap holding part 21 and the tank cap do not get in the way during refueling.

The tank cap can be removed from the fuel filler port 1 and fitted into the cap holding portion 21, and a fuel gun can be inserted into the fuel filler port 1 for fueling. After the end of refueling, the tank cap is fitted into the refueling port 1 and the refueling port lid 10 is closed. When closing the filler cap 10, the filler cap 10 is moved in the direction of the filler port 1.

In order to move the fuel filler cap 10, the fuel filler cap 10 is moved in the lateral direction to rotate the first hinge member 41 and the second hinge member 43 around the hinge pin 55. The fuel filler lid 10 can be moved to the fuel filler port 1 to close the fuel filler port 1. Along with the movement of the fuel filler cap 10, the tank cap hanger 20 slides on the back surface 12 of the fuel filler cap 10, and the cap holding portion 21 is also housed on the back surface 12 of the fuel filler cap 10.

At this time, if the fuel filler cap 10 is closed while the tank cap is held by the cap holding portion 21, the cap holding portion 21 and the tank cap become obstructive and the fuel filler lid 10 cannot be closed. Never forget to close the mouth 1 and close the filler cap 10.

Next, a second embodiment of the present invention will be described with reference to FIG. The second embodiment is different from the first embodiment in the shapes of the cap holding part 21 and the hinge member 40 of the tank cap hanger 20, and the other parts are the same. .
The cap holding part 21 of the tank cap hanger 20 of the second embodiment is formed in a hook shape. For this reason, the hook attached to the tank cap or the tank cap can be held by the hook-shaped cap holding portion 21.

The hinge member 40 that is a connecting member is formed of a first integral hinge 46 and a second integral hinge 47. The first integral hinge 46 and the second integral hinge 47 are integrally formed with portions that are attached to the first hinge attachment portion 34 and the second hinge attachment portion 36 of the fuel filler cap attachment member 30, respectively. For this reason, the operation | work which attaches the hinge member 40 to the fuel filler cap attaching member 30 is easy.
Furthermore, the main body portions of the first integral hinge 46 and the second integral hinge 47 are also bent in a wave shape.

Next, a third embodiment of the present invention will be described with reference to FIG. Since the second embodiment is different from the second embodiment in a method of attaching the tank cap hanger 20 to the fuel filler cap 10, different parts will be described.
As shown in FIG. 8, the tank cap hanger 20 of the third embodiment is attached to the back surface 12 of the fuel filler cap 10 with hanger attachment pins 23. The tank cap hanger 20 is attached to be rotatable around a hanger attachment pin 23.

For this reason, it is easy to attach the tank cap hanger 20, and when the fuel filler lid 10 is opened, the tank cap hanger 20 can be easily projected from the back surface 12 of the fuel filler lid 10. A tank cap can be attached to the cap holding part 21 of the tank cap hanger 20 that protrudes.

Similarly to the second embodiment, when the fuel filler cap 10 is closed while the tank cap is held by the cap holding portion 21, the cap holding portion 21 and the tank cap become an obstacle, and the fuel filler cap 10 Therefore, the fuel cap lid 10 is not closed by forgetting to close the tank cap at the fuel filler port 1.

DESCRIPTION OF SYMBOLS 10 Oil filler lid 16 Oil filler lid rail member 20 Tank cap hanger 21 Cap holding part 22 Rail groove part 30 Oil filler lid attaching member 40 Hinge member (connection member)
50 rollers

Claims (7)

In the tank cap holding structure that is attached to the filler cap that closes the filler port of the vehicle body,
The tank cap holding structure includes the fuel filler lid, a tank cap hanger attached to the back surface of the fuel filler lid, a fuel filler lid attaching member for attaching the fuel filler lid to the vehicle body, the fuel filler lid attaching member, and the fuel filler lid. The tank cap hanger is slidably or rotatably attached to the back surface of the fuel filler cap, and a cap holding portion for holding the tank cap is formed at the tip of the tank cap hanger. A tank cap holding structure characterized by that. The fuel filler lid slides laterally while rising from the fuel filler port when the fuel filler lid is opened from the fuel filler port, and the tank cap hanger slides when the fuel filler lid is opened from the fuel filler port. The tank cap holding structure according to claim 1, wherein a cap holding portion of the tank cap hanger projects from an end portion of the fuel filler lid to hold the tank cap. The tank cap holding structure according to claim 1, wherein the cap holding portion has a semicircular recess at a tip, and holds the tank cap in the semicircular recess. The tank cap holding structure according to claim 1, wherein the cap holding portion has a groove at a tip, and the tank cap is locked in the groove. The rail member is attached to the back surface of the fuel filler cap, the rail groove portion to be fitted into the rail member is formed in the tank cap hanger, and the tank cap hanger slides along the rail member. The tank cap holding structure according to any one of the preceding claims. The tank cap holding structure according to claim 1, wherein the connecting member is a bent hinge member. The tank cap hanger is attached to the back surface of the refueling cap with a hanger mounting pin, and the tank cap hanger is rotatably mounted around the hanger mounting pin, and the cap holding portion is connected to the refueling cap by rotation transfer. The tank cap holding structure according to claim 1, wherein the tank cap can be held by projecting from an end of the tank cap.