JP3929045B2 - Oil level measuring device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention includes a first guide tube attached to a vehicle body, a second guide tube attached to an oil pan of an engine, and an elastic material hose communicating the first guide tube and the second guide tube. The present invention relates to an oil level measuring device including an oil level gauge for measuring an oil level of an oil pan.
[0002]
[Prior art]
FIG. 13 shows the mounting of a conventional oil level measuring device to a cab-over vehicle as an application target example of the present invention, in which a first guide tube 26 is attached in front of the cab 3 on the frame 14. A level gauge 30 is fitted to the second guide tube 22 fixed to the oil pan via the hose 25. Reference numeral 34 in the figure is a handle, and reference numeral 13 is an inspection gauge.
[0003]
FIG. 14 shows the periphery of the oil pan 21 of the oil level measuring device, and the gauge portion 31 of the level gauge 30 fitted in the second guide tube 22 can detect the oil level.
[0004]
The gauge portion 31 is a positioning portion 23 provided on the upper portion of the second guide tube 22, and the position of the gauge attachment portion 32 attached to the lower end of the wire 33 of the level gauge 30 is determined.
[0005]
FIG. 15 is a single-piece view showing the entire configuration of the level gauge 30, in which the handle portion 34 is fixed to the end of the wire 33, and the wire 33 having rigidity and flexibility penetrates into the second guide tube 22. The gauge mounting portion 32 is connected to the gauge mounting portion 32, and the gauge mounting portion 32 is fixed to the gauge mounting portion 32.
[0006]
Such a long configuration enables normal inspection without depending on the troublesome inspection gauge 13 (for example, refer to Patent Document 1 for the above).
[0007]
However, since the level gauge 30 is long and further bent, the gauge mounting portion 32 is not necessarily brought into contact with the positioning portion 23, and the measurement accuracy of the oil level may not be guaranteed. There is.
[0008]
In addition, a lid is necessary to avoid oil rising from the first guide tube 26 during traveling, and there is a problem in that the lid is removed and an oil level gauge is inserted during inspection, resulting in a large number of parts.
[0009]
[Patent Document 1]
Japanese Unexamined Patent Publication No. 2000-283823 (see FIG. 1 and its description)
[0010]
[Problems to be solved by the invention]
The present invention has been proposed in view of the above-mentioned problems of the prior art, and an oil level that can easily measure an accurate oil level and integrates a lid attached to the first guide tube into a level gauge. The purpose is to provide a measuring device.
[0011]
[Means for Solving the Problems]
The oil level measuring device of the present invention includes a first guide tube (26) attached to a vehicle body, a second guide tube (22) attached to an oil pan (21) of an engine (20), and a first guide tube (22). The elastic material hose (25) communicating the guide tube (26) and the second guide tube (22), and an oil level gauge (30A) for measuring the oil level of the oil pan (21). In the oil level measuring apparatus, a hook-shaped stopper (23A) facing the center of the tube is provided inside the second guide tube (22) rising from the oil pan (21), and is fitted into the second guide tube (22). The level gauge (30A) that measures the oil level is provided with a bowl-shaped bowl (32A) that penetrates the stopper (23A) at a predetermined horizontal rotation angle. The level gauge (30A), the time of sitting the collar-like body (32A) is on the upper surface of the stopper (23A) is configured to be oil level measurement possible position (claim 1).
[0012]
In implementation, the stopper may be formed by squeezing the second guide tube, or may be fitted and fixed. When the oil level is not measured, the hook of the level gauge is configured to be positioned below the stopper.
[0013]
It is preferable that a long hole (23a) is formed in the center of the stopper (23A) (Claim 2).
In implementation, the flange of the level gauge is formed so as to penetrate in the major axis direction of the long hole and not in the minor axis direction.
[0014]
Preferably, the stopper (23A) is formed with a Y-shaped hole (23b) in the center (Claim 3).
In practice, the level gauge rod is formed into a small body similar to a Y-shaped hole.
[0015]
It is preferable that the stopper (23A) is formed with a D-shaped hole (23a).
In implementation, the level gauge is formed so as to widen the allowable range of the rotation angle for rotating the level gauge.
[0016]
A guide wall (23E) for guiding the insertion of the level gauge (30A) is formed on the stopper (23A). When the hook-like body (32A) is guided by the guide wall (23E), the hook-like body (32A) Is preferably in contact with the stopper (23A).
At the time of implementation, it is configured that the hook-shaped body penetrates the stopper after the level gauge is rotated after confirming that the bowl-shaped body is in contact with the stopper.
[0017]
It is preferable that a cap (30a) for sealing the outer end of the first guide tube (26) is provided at the outer end of the oil level gauge (30A).
Since the oil level gauge and the cap are integrally formed, it is not necessary to have them separately as in the prior art.
[0018]
The cap (30a) is preferably in contact with the outer end of the first guide tube (26) when the hook-like body (32A) passes through the stopper (23A) and reaches a predetermined position. (Claim 7).
Thereby, the cap prevents oil from rising from the first guide tube. .
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. The names and symbols used in the description of the prior art are used redundantly for devices and members having the same function and configuration.
[0020]
A first embodiment of the present invention will be described with reference to FIGS.
In FIG. 1 showing a state in which an oil level is measured, one end of a hose 25 formed of an elastic material is connected to a first guide tube 26 attached to a vehicle body not specified, and the other end of the hose 25 is a second one. The guide tube 22 is connected to the upper end of one end.
The lower end of the other end of the second guide tube 22 is opened and fixed in the oil pan 21.
[0021]
Referring also to FIG. 2, a stopper 23 </ b> A which will be described later is formed at a position corresponding to the upper part of the second guide tube 22 above the oil level H.
A level gauge 30 </ b> A is inserted through the first guide tube 26, the hose 25, and the first guide tube 26.
[0022]
In the level gauge 30A, a cap 30a is fixed to an annular handle portion 34, a sealing member 40 formed in a skewered dumpling shape with an elastic material is fixed to the cap 30a, and a wire 33 for skewing the sealing material 40 is a second guide. The tube 22 is reached.
[0023]
An appropriate distance is provided between the cap 30 a and the tip of the first guide tube 26.
[0024]
A hook-shaped body 32A, which will be described later, is fixed to the end of the wire 33, and a gauge section 31 is fixed to the lower portion of the hook-shaped body 32A. The gauge part 31 is provided with oil level display points 31a and 31b.
The lower surface of the bowl-shaped body 32A is in contact with the upper surface of the stopper 23A and is in close contact with the seat. At this time, the oil level display point 31a provided in the gauge portion 31 is positioned at the upper limit of the normal oil level, and the oil level display point 31b is positioned at the lower limit.
[0025]
One of the gist of the present application is that when the flange-shaped body 32A abuts against the stopper 23A as described above, there is an appropriate distance between the cap 30a and the distal end portion of the first guide tube 26. .
[0026]
FIG. 3 shows the state of the position of the level gauge 30A when the oil level is not measured.
In the level gauge 30A, the cap 30a is in contact with the distal end portion of the first guide tube 26, and the hook-like body 32A is positioned below the stopper 23A.
[0027]
4 to 7 are diagrams showing the relationship between the flange 32A of the level gauge 30A and the stopper 23A of the second guide tube 22, and FIGS. 4 and 5 are diagrams showing the oil level measurement in FIG. 6 and 7 relate to FIG. 3 when the oil level is not measured.
[0028]
4 is a cross-sectional view taken along the line B-B in FIG. 2, and shows a state in which an elliptical bowl-shaped body 32 </ b> A at the end of the wire 33 is in contact with the upper surface of the stopper 23 </ b> A of the second guide tube 22. ing. The stopper 23A of the second guide tube 22 protrudes from the tube wall of the guide tube 22 toward the center, and a rectangular long hole 23a is formed in the center.
[0029]
By such a combination of the bowl-shaped body 32A and the stopper 23A, when the major axis of the bowl-shaped body 32A and the major axis of the long hole 23a overlap, the bowl-shaped body 32A is configured to penetrate the stopper 23A.
[0030]
FIG. 5 is a cross-sectional view taken along the line AA in FIG. 2 and shows that only the level gauge 30A is below the stopper 23A.
FIG. 6 is a cross-sectional view taken along the line AA of FIG. 3 and shows a state in which only the wire 33 is present at the position of the stopper 23A and the oil level is not measured. FIG. 7 is a cross-sectional view taken along the line CC, and shows a state where the hook-like body 32A is in the center of the second guide tube 22 in the height direction and the oil level is not measured.
[0031]
The effect | action of 1st Embodiment of the said structure is demonstrated.
In the normal state where the oil level is not measured as shown in FIG. 3, the cap 30a is in contact with the upper surface of the first guide tube 26 to prevent the oil from rising.
[0032]
Next, when measuring the oil level, the level gauge 30A is pulled up from the state shown in FIG. When pulling up the level gauge 30A, if the bowl-shaped body 32A does not come into contact with the stopper 23A, the level gauge 30A is rotated in the horizontal direction to search for a penetration location, and an appropriate dimension is pulled up. Wait for the time for the oil that has adhered to the gauge part 31 to drop off.
[0033]
Next, rotate the level gauge 30A from the position of the level gauge 30A at the time of pulling up, push the level gauge 30A downward, push it in until the hook-like body 32A hits the stopper 23A, and confirm contact and seating with a sense of moderation. . FIG. 1 shows this state.
In the state shown in FIG. 1, the level gauge 30A is pulled up to measure the oil level.
[0034]
FIG. 8 shows a second embodiment in which the shape of the bowl and the stopper is changed.
A stopper 23B provided with a Y-shaped hole 23b is formed in the second guide tube 22, and a bowl-shaped body of the level gauge 30A is formed into a slightly small bowl-shaped body 32B similar to the hole 23b.
The angle at which the bowl-shaped body 32B penetrates the Y-shaped hole 23b is within 60 degrees, and the rotation operation of the level gauge 30A becomes easy.
[0035]
FIG. 9 shows a third embodiment in which the shape of the bowl and the stopper is changed.
A stopper 23C provided with a D-shaped hole 23c is formed in the second guide tube 22, and a bowl-shaped body of the level gauge 30A is formed into a slightly small bowl-shaped body 32C similar to the hole 23c.
The angle at which the bowl-shaped body 32C comes into contact with and sits on the stopper 23C is wider than that in the above embodiment.
[0036]
10 and 11 show a fourth embodiment in which the shape is changed so that the hook-shaped body is brought into contact with the stopper accurately.
The second guide tube 22 is provided with a Y-shaped hole 23b similar to that of the second embodiment, and the bowl of the level gauge 30A is formed in a small size similar to the hole 23b. Protrusion 23E which is a piece-like guide wall of a rugby ball facing toward the direction is provided.
[0037]
The protrusion 23E is configured such that the hook-shaped body is guided to contact the stopper 23B. Therefore, the level gauge 30A can be contacted and seated without rotating in the horizontal direction.
[0038]
FIG. 12 shows a fifth embodiment in which the shape of the guide wall in the fourth embodiment is changed, and the shape is changed to a rhombus-shaped protrusion 23F so that the hook-shaped body accurately contacts the stopper.
When the level gauge 30A is raised or lowered by the diamond-shaped protrusions 23F, a further moderation feeling is generated at the upper end or the lower end of the diamond-shaped protrusions 23F.
[0039]
【The invention's effect】
The effects of the present invention are listed below.
(A) In the configuration of the present invention, since the hook that penetrates the stopper provided in the second guide tube at a predetermined horizontal rotation angle is provided in the level gauge, the position of the hook is clarified and the oil is reliably Level can be measured.
(B) Since the oil level is measured at the position where the rod-shaped body comes into contact with the stopper, the position of the level gauge is fixed and the measurement can be performed reliably.
(C) If a long hole is formed in the stopper, whether or not it can penetrate becomes clear together with the shape of the penetrating body that penetrates.
(D) If the Y-shaped hole of the stopper is formed, whether or not it can be penetrated is clarified together with the shape of the penetrating penetrating body, and the penetrating area can be easily found.
(E) If a guide wall is provided on the top of the stopper, the penetrating area of the rod-like body is automatically found, and the oil level can be easily measured.
(F) If a cap is provided at the outer end of the oil level gauge, the cap can always be sealed, eliminating the troublesome operation of removing the cap and inserting the level gauge during conventional measurement.
(G) If the cap comes into contact with the outer end of the first guide pipe when the saddle-like body reaches the predetermined position through the stopper, the oil from the first guide pipe is prevented from rising. it can.
[Brief description of the drawings]
FIG. 1 is a side view showing a first embodiment of an oil level measuring apparatus according to the present invention.
FIG. 2 is a partial detail view of the above.
FIG. 3 is a partial detail view of FIG. 1;
4 is a cross-sectional view taken along the line BB in FIG.
5 is a cross-sectional view taken along the line AA in FIG.
6 is a cross-sectional view taken along line AA in FIG.
7 is a cross-sectional view taken along the line CC in FIG. 3;
FIG. 8 is a sectional view showing a second embodiment.
FIG. 9 is a longitudinal sectional view showing a third embodiment.
FIG. 10 is a longitudinal sectional view in the vicinity of a stopper showing a fourth embodiment.
FIG. 11 is a transverse sectional view of the same.
FIG. 12 is a longitudinal sectional view in the vicinity of a stopper showing a fifth embodiment.
FIG. 13 is a layout view of a conventional oil level measuring device.
FIG. 14 is a detailed view showing the vicinity of the oil pan.
FIG. 15 is a single item diagram of the oil level measuring apparatus according to the above.
[Explanation of symbols]
20 ... Engine 21 ... Oil pan 22 ... Second guide tube 23A ... Stopper 25 ... Hose 26 ... First guide tube 30A ... Oil level gauge 30a ... Cap 32A・ Cage 31 ... Gauge 33 ... Wire

Claims (7)

A first guide tube attached to the vehicle body, a second guide tube attached to an engine oil pan, an elastic material hose communicating the first guide tube and the second guide tube, and an oil pan In an oil level measuring device comprising an oil level gauge for measuring an oil level, a hook-shaped stopper facing the center of the tube is provided inside the second guide tube rising from the oil pan, and the second guide tube The level gauge for measuring the oil level by inserting into the hook is provided with a bowl-shaped bowl-shaped body that penetrates the stopper at a predetermined horizontal rotation angle. The oil level measuring device is configured so that the oil level can be measured. The oil level measuring device according to claim 1, wherein the stopper has a long hole formed in a central portion. The oil level measuring device according to claim 1, wherein the stopper has a Y-shaped hole formed at a central portion thereof. The oil level measuring device according to claim 1, wherein the stopper is formed with a D-shaped hole. The guide wall which guides insertion of a level gauge is formed in the upper part of the stopper, and when the rod-shaped body is guided by the guide wall, the rod-shaped body abuts against the stopper. Oil level measuring device. The oil level measuring device according to any one of claims 1 to 5, wherein a cap for sealing the outer end of the first guide tube is provided at an outer end portion of the oil level gauge. The oil level according to any one of claims 1 to 6, wherein the cap contacts the outer end portion of the first guide tube when the hook-like body passes through the stopper and reaches a predetermined position. measuring device.

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