JP2593526Y2 - Distance recorder mounting structure for operation recorder - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a distance counter of an operation recorder having a distance counter for displaying the operation distance of a vehicle.

[0002]

2. Description of the Related Art Conventionally, a distance counter mounting structure of this kind of operation recorder has been disclosed in, for example, Japanese Patent Application Laid-Open No. Sho 59-137981.
There is one described in Japanese Patent Publication No. FIG. 4 shows an operation recorder described in this publication. As shown in the figure, the operation recorder has a cylindrical case 1 with a closed bottom. The case 1 is provided with a counter installation part 3 including a space portion formed so as to be surrounded by the casing part 2, and a distance counter 4 is installed in the counter installation part 3. .

[0003] The distance counter 4 has a counter frame 5 in a U-shape in side view.
, A counter shaft 6 and a drive shaft 7 are supported. A numeral disk unit 8 composed of a number of numeral disks 8a is mounted on the counter shaft 6, and a decimal control drive unit 9 for driving the numeral disks 8a is mounted on the drive shaft 7.

Along the outside of the counter frame 5,
A substantially L-shaped leaf spring 10 is attached to the leaf spring 1.
One side of the counter frame 5, that is, a portion located on one side surface of the counter frame 5, abuts the ends of the counter shaft 6 and the drive shaft 7 with elastic force to compensate for play in the axial direction. Also,
The other side of the leaf spring 10, that is, the portion located on the bottom surface of the counter frame 5 is formed so as to slightly protrude outwardly from the counter frame 5 in a chevron shape.
Is installed on the counter installation portion 3 of the case 1, the angled portion hits the bottom 3 a of the installation portion 3, and the distance counter 4
Acts upward from the bottom 3a.

On the left and right upper portions 5a and 5b of the counter frame 5, a knife-like projection 1 formed by integral molding is provided.
5 and a pyramid-shaped pointed projection 16 are provided so as to engage with a part of a canopy 11 described later.

[0006] Also, the installation part 3 provided in the case 1
The cover 11 is configured to be fitted into the opening, and a counter window 12 in which a transparent plate is fitted is formed on the upper surface 11a of the cover 11. Further, the case 1 is provided with a lid 13 forming the same plane as the canopy 11 so as to cover a dial such as a speedometer. When the canopy 11 is attached to the case 1,
First, the cover 11 is engaged with the end of the lid 13, and this portion is rotated about an axis to close the opening of the counter installation section 3.
It is fixed with a hollow screw 14.

[0007] That is, as shown in FIG. 5, a rain gutter-shaped curved portion 11 b is formed at the end of the canopy 11, whereas the curved portion is formed on both sides of the end of the lid 13. 1
1b is provided with a bulging portion 13a having a shape fitted to
The cover 11 is engaged with an end of the lid 13 by fitting a rain gutter-like curved portion 11b into the bulging portion 13a.

When the distance counter 4 is installed on the counter installation section 3, a knife-shaped projection 15 provided on the counter frame 5 of the distance counter 4 and a pyramid-shaped pointed projection 16 are opposed to each other. Notches 17 and pyramid-shaped notches 18 are provided on the inner surface of
When the lid of the opening of the counter installation part 3 is covered with the canopy 11,
The urging force of the leaf spring 10 provided on the outside of the counter frame 5 causes the portions such as the knife-like projections 15 to be engaged so that the distance counter 4 is positioned. In this position, the numeral disk unit 8 of the distance counter 4 coincides with the counter window 12 of the cover 11.

As shown in FIG. 6, light from a light source (not shown) is illuminated by a light guide plate 19 provided at the lower portion of the lid 13 to illuminate the distance counter 4 at night or the like.
To the light projecting section 20 formed integrally with the
From the end face of the distance counter 4 to the numerical disk unit 8.

[0010]

However, in the case of the above-described structure, when the distance counter 4 is installed on the counter installation portion 3 of the main case 1 and the cover 11 is closed, the distance counter 4 is 10 is urged upward by the urging force of 10, so that the curved portion 11 b of the
a, the curved portion 11b of the canopy 11 is connected to the distal end 2 of the light projecting portion 20 of the distance counter 4 as shown in FIG.
There is a problem that it is difficult to perform the set operation when the vehicle hits the position 0a. In this case, the distance counter 4 is pressed so as not to rise, or the distance counter 4 is pulled toward the user, and the cover 11 is put thereon.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a distance recorder mounting structure for an operation recorder, which can easily assemble a distance counter.

[0012]

According to the present invention, a distance recorder mounting structure for an operation recorder is provided in a part of a case of an operation recorder, and is provided with a counter installation portion formed of a concave portion and the counter installation portion. A distance counter, an urging means for urging the distance counter upward when the distance counter is set, an engagement portion provided on the upper left and right of the distance counter, and an upper right and left of the counter installation portion. And a locking member for locking an engaging portion of the distance counter, and a cover member for closing an opening of the counter installation portion.

Further, the distance recorder mounting structure of the operation recorder according to the present invention is provided on a part of the case of the operation recorder, and includes a counter installation portion having a concave portion, and a distance counter installed on the counter installation portion. When the distance counter is set to an installed state, urging means for urging the distance counter upward, engagement portions provided on the upper left and right of the distance counter, and provided on the upper right and left of the counter installation portion, A positioning portion provided with a locking portion for locking the engaging portion of the distance counter, and a fitting hole provided on the lower surface of the distance counter and the bottom surface of the counter installation portion, one of which is a protrusion and the other is fitted with the protrusion. Means, and a covering member for closing an opening of the counter installation portion.

[0014]

When the distance counter is mounted on the counter installation portion of the case, the distance counter is first inserted into the counter installation portion and pressed from above, and the distance counter is placed on the left and right upper portions of the distance counter. The provided locking portion and the engaging portion provided on the counter installation portion are fitted together.
In this state, the engaging portion and the locking portion are securely held by the upward urging action of the distance counter, and the distance counter itself is positioned. Next, the covering member
Engage with the end of the other lid that fits the case and rotate it,
The installation of the distance counter is completed by closing the opening of the counter installation part. When this cover member is engaged with the end of the other lid that fits into the case, the distance counter has its upward urging force regulated by an engagement portion provided on the counter installation portion. Therefore, the distance counter does not extend upward and does not interfere with the covering member. In this state, the display portion of the distance counter coincides with the counter window provided on the cover member. After this, the cover member is fixed to the case by screws.

When the projection is provided on one of the bottom surface of the counter installation portion and the lower surface of the distance counter, and the other is provided with a fitting hole into which the projection is fitted, the distance counter is mounted on the counter installation portion. The projection and the fitting hole are fitted to each other when inserted into the hole. As a result, the bottom of the distance counter is accurately positioned.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. The same or corresponding portions as those described in the section of the related art are denoted by the same reference numerals, and description thereof will be omitted.

FIG. 1 is an exploded perspective view showing one embodiment of the present invention. As shown in the drawing, first, a projection 21 is provided on the bottom 3a of the counter installation portion 3 of the case 1 in a portion where the distance counter mounting structure of the operation recorder according to the present embodiment is different from the conventional structure. At the same time, the projection 21 is provided on the bottom 5c of the counter frame 5 of the distance counter 4.
This is the point that a fitting hole 26 for fitting is provided.

Secondly, knife-shaped engaging portions 27 and 28 having a triangular cross section as shown in detail in FIG.
Are provided symmetrically, and the knife-like engaging portions 27, 2
Locking portion 2 formed of a recess having a triangular cross section for fitting 8
4 and 25 are also provided symmetrically.

Therefore, when attaching the distance counter 4 to the counter installation portion 3 of the case 1, the distance counter 4 is first inserted into the counter installation portion 3 and the projection 21 on the bottom surface 3a of the counter installation portion 3 is inserted. The distance counter 4 is fitted into the fitting hole 26 of the bottom 5c of the counter frame 5 of the distance counter 4. Next, the distance counter 4 is pressed from above.
The engaging portions 27 and 28 provided on the upper left and right 5a and 5b of the counter mounting portion and the locking portions 24 and 25 provided on the upper left and right 22 and 23 of the counter installation portion 3 are fitted together. The locking portions 24 and 25 and the engaging portions 27 and 28 are securely held in the fitted state by the upward biasing force of the leaf spring 10 provided on the distance counter 4 and the distance counter 4 itself. Is performed.

Subsequently, the curved portion 11b of the canopy 11 is rotated by being engaged with two bulging portions 13a formed on the end face of the lid 13 fitted into the case 1 and rotated. And the mounting of the distance counter 4 is completed. Although the distance counter 4 is urged upward by the leaf spring 10, since the upward movement is restricted by the engaging portions 24 and 25 provided on the counter installation portion 3, the distance counter 4 is covered by 11.
When the cover 11 is engaged with the inflatable portion 13a of the lid 13 fitted to the case 1, there is no possibility that the cover 11 and the light projecting portion 20 of the distance counter 4 interfere with each other.

In the above-described embodiment, knife-shaped engaging portions 27 and 28 are provided on the left and right of the upper portion of the counter frame 5, and knife-shaped engaging portions 27 and 28 are provided on the right and left upper portions 22 and 23 of the counter installation portion 3. Although the engaging portions 24 and 25 each having a concave portion having a triangular cross section for fitting the fitting 28 are provided, the shapes may be made different or these shapes may be reversed. Further, it is obvious that the same effect can be obtained even if the projection 21 of the counter installation portion 3 and the fitting hole 26 of the counter frame 5 are exchanged, and in this embodiment, the distance counter 4 is moved upward. The urging leaf spring 10 is provided on the counter frame 5, but may be installed on the bottom surface 3 a of the counter installation unit 3.

[0022]

[Effects of the Invention] As described above, according to the present invention,
Attachment of the distance counter to the operation recorder becomes simple, and even an unskilled worker can easily perform the operation.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a structure for attaching a distance counter to an operation recorder according to an embodiment of the present invention.

FIG. 2 is a diagram showing the structure of the left and right upper portions of the counter frame of the distance counter in the mounting structure of the distance counter to the operation recorder according to the embodiment of the present invention;
FIG. 2B is a side view of the left portion viewed from the direction, FIG. 2B is a plan view of the right portion, and FIG. 2C is a side view of the right portion viewed from the direction of arrow D in FIG.

FIG. 3 is a perspective view showing a left and right upper structure of a counter installation portion in a mounting structure of the distance counter to the operation recorder according to the embodiment of the present invention, wherein (a) is viewed from the direction of arrow A in FIG. FIG. 3B is a diagram viewed from the direction of arrow B.

FIG. 4 is an exploded front view showing a structure for attaching a distance counter to a conventional operation recorder.

FIG. 5 is a view showing an engagement structure between a lid and a cover.

FIG. 6 is a diagram illustrating a problem that occurs when the lid and the cover are engaged.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 3 Counter installation part 4 Distance counter 5 Counter frame 5a Upper left 5b Upper right 8 Numeric disk unit 11 Cover (covering member) 11b Curved part 12 Counter window 21 Projection 24, 25 Locking part 26 Fitting hole 27, 28 Engagement part

Claims (2)

(57) [Scope of request for utility model registration] 1. An operation recorder provided in a part of a case of an operation recorder,
A counter installation portion comprising a concave portion; a distance counter installed in the counter installation portion; an urging means for urging the distance counter upward when the distance counter is in an installed state; An engaging portion provided, a locking portion provided on the left and right of the upper portion of the counter installation portion, the engagement portion of the distance counter being locked, and a covering member closing an opening of the counter installation portion. Mounting structure of distance counter for operation recorder. 2. An operation recorder provided in a part of a case of an operation recorder,
A counter installation portion comprising a concave portion; a distance counter installed in the counter installation portion; an urging means for urging the distance counter upward when the distance counter is in an installed state; An engaging portion provided; a locking portion provided on the left and right of the upper portion of the counter installation portion, where the engaging portion of the distance counter is locked; and a lower surface of the distance counter and a lower surface of the counter installation portion. A distance recorder mounting structure for an operation recorder, comprising: positioning means comprising a fitting hole on one side and a fitting hole on the other side for fitting the projection; and a covering member for closing an opening of the counter installation section.