JPH0570241B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The vehicle-mounted warning light of the present invention will be explained according to the following items.

A Industrial field of application B Summary of the invention C Prior art [Figures 14 and 15] D Problems to be solved by the invention [Figure 16] E Means for solving the problems F Example a Automotive Overview of the warning light b Base c Globe c-1 Globe element c-2 Inner cover c-3 Combining multiple globe elements c-4 Attaching the globe to the base c-5 Outer cover d Unit base e Others G. Effects of the invention (A. Field of industrial application) The present invention relates to a novel vehicle-mounted warning light. Specifically, in a vehicle-mounted warning light, a transparent globe is formed by connecting a plurality of short cylindrical globe elements in the axial direction, and each globe element is formed by connecting a plurality of short cylindrical globe elements in the axial direction. It is an object of the present invention to provide a novel vehicle-mounted warning light in which the connecting portion between the two is tightly joined and the appearance of the connecting portion is not impaired.

(B. Summary of the Invention) The vehicle-mounted warning light of the present invention has bolt insertion holes in a plurality of short cylindrical globe elements arranged in the axial direction, in which a globe in which a warning unit consisting of a light source, a reflector, etc. is housed. Each glove element has an engaging protrusion at one end thereof, and an engagement groove at the other end in which the engaging protrusion of another glove element is engaged. When the two glove elements are engaged, the end surface of one glove element located outside the engagement groove contacts the end surface located outside the engagement protrusion of the other glove element. The dimensions are such that there is a slight gap between the end surface located inside the engagement groove of the glove element and the end surface located inside the engagement protrusion of the other glove element, so that the outer end surfaces of the engagement portions of each other are In addition to ensuring that they are butted against each other, even if the pressure force in the axial direction is somewhat strong, the inner end surfaces of the engaging parts are in contact with each other to prevent deformation from occurring toward the outer end surfaces. As a result, the connecting portions of the two glove elements are reliably joined and the appearance of the portions is not impaired.

(C. Prior Art) [Figs. 14 and 15] Conventionally, there is a vehicle-mounted warning light mounted on the roof of a vehicle such as an automobile, as shown in Figs. 14 and 15.

b is a base fixed to the roof of a car or the like; c is a glove fixed on the base b; d is a unit base detachably mounted inside the glove c;
A warning light unit e consisting of a light bulb, a reflector, etc. is supported on the unit stand. f is an outer cover that closes the outer opening of glove c, and g is an inner cover that closes the inner opening of glove c.

The globe c is made up of a plurality of short cylindrical globe elements h, h, . . . connected in the axial direction.

A plurality of bosses i, i, ... extending in the axial direction are formed on the inner surface of each globe element h,
The bosses i, i, ... have bolt insertion holes j, j, ...
...is installed throughout.

Furthermore, an annularly extending engagement groove k is formed in one end surface of each globe element h, and an annular gasket l is fitted into the depth of the engagement groove k. An annularly extending engagement protrusion m is formed on the other end surface of the globe element h, and extends from the inner end thereof, and an abutting end face n is formed on the outside of the engagement protrusion m.

And a plurality of globe elements h, h,...
... are connected, the engagement protrusion m of one glove element h is connected to the adjacent glove element h.
is fitted into the engagement groove k of the globe element h, the distal end surface of the engagement protrusion m is in elastic contact with the gasket l, and the abutting end surface n of one globe element h is engaged with the adjacent globe element h. The abutting end surface o formed on the outside of the groove k is abutted against each other.

And a plurality of globe elements h, h,...
When the ... are arranged in the axial direction, the respective bosses i, i, ... formed thereon are aligned in the axial direction to form a plurality of bosses. In addition, the inner cover g attached to the inner end of the row of these globe elements h, h, . . . also has an insertion hole (not shown) aligned with the bolt insertion hole j, j, . A hole is formed. Therefore, long connecting bolts p, p, ... are inserted into the bolt insertion holes j, j, ... of each boss row.
... from one end side through the insertion hole provided in the inner cover g, and the connecting bolt p,
The tips of p, . . . are screwed into nuts q, q, . . located on the other end side of each boss row. As a result, a plurality of globe elements h, h, . . . arranged in the axial direction are combined to form a globe c.

(D Problems to be solved by the invention) [Chapter 16
Figure] However, in the case of the above-mentioned vehicle-mounted warning light a,
There is a problem in that the connection state of the connecting portions of each globe element h, h, . . . is uncertain.

The tightening by the above-mentioned connecting bolts p, p, ... acts to press the respective globe elements h, h, ... against each other, and this tightening force is especially applied at the connecting portion to move one abutting end surface n to the other abutting end surface o.
It will be pressed with strong pressure. However,
If this tightening force is too strong and exceeds the rigidity of the outer part of the engagement groove k, the outer part of the engagement groove k
It bends outward as shown in the figure to avoid destruction due to the excessive tightening force mentioned above. For this reason, the butt end faces n, o
The abutting state between the two ends is broken, and the outer portion of the engagement groove k rides on the outer side of the abutting end surface n.

If the state shown in Fig. 16 occurs, the part that receives the tightening force from the connecting bolts p, p, ... will be the part that sandwiches the gasket l, so there is a problem that the rigidity of the connecting part will be weakened. . Furthermore, as shown in FIG. 16, the partially deformed state of the globe element h not only looks bad;
There is also the problem that the strength of the deformed portion of the globe element h decreases and breaks down over time.

(E. Means for Solving the Problems) In order to explain the above-mentioned problems, the in-vehicle warning light of the present invention is based on a transparent globe in which a warning unit consisting of a light source, a reflector, etc. is housed. In a vehicle-mounted warning light formed by connecting a plurality of short cylindrical globe elements lined up in a direction by connecting bolts inserted one after another into their bolt insertion holes, an engaging protrusion is provided at one end of each globe element. has an engagement groove at the other end to which the engagement protrusion of another glove element is engaged, and is located outside the engagement groove of one glove element when the two glove elements are engaged. When the end face contacts the end face located outside the engagement protrusion of the other glove element, the end face located inside the engagement groove of one glove element and the end face located inside the engagement protrusion of the other glove element. The dimensions are such that there is a slight gap between the outer end surfaces of the engaging portions, so that the outer end surfaces of the engaging portions are surely brought into contact with each other.

Therefore, in the vehicle-mounted warning light of the present invention, even if the tightening force between the respective globe elements becomes somewhat excessive, it can be absorbed by the elastic deformation of the material while the inner sides of the engaging groove and the engaging protrusion are tightened. The end faces at are in contact with each other,
Since the above-mentioned tightening force is also received by the corresponding contact portion, the tightening force that can be received by the connection portion of the glove element becomes large, and deformation does not easily occur.

In addition, when the outer end surfaces of the engagement groove and the engagement protrusion come into contact, there is a slight gap between the inner end surfaces, so the outer end surfaces are always brought into contact. Therefore, not only does it look good, but it also satisfies the waterproof performance required of the connecting portion.

(F. Embodiment) Details of the in-vehicle warning light of the present invention will be described below with reference to illustrated embodiments.

(a Overview of a vehicle-mounted warning light) In the figure, 1 is a vehicle-mounted warning light, 2 is a base fixed on the roof of a car, 3, 3 is a globe supported on the base 2, 4, 4 is a unit stand installed in the gloves 3, 3, 5, 5 is a unit stand 4, 4
This is a warning light unit supported above.

(b Base) The base 2 is formed of an extruded aluminum product, and its side edges are curved and raised upwards, and from its upper end there is an engaging edge 6 that protrudes horizontally inward. , 6 are formed. The engaging edges 6, 6 are provided with notches 7, 7, . . . at regular intervals.
...is being formed.

Reference numerals 8, 8 are legs, which are fixed to the lower surface of the base 2 near both ends, and by fixing the legs 8, 8 to the roof of the car, the base 2 can be attached to the roof of the car. Fixed.

Reference numerals 9 and 9 denote support pieces that are erected at the center of the base 2 at intervals in the longitudinal direction of the base 2. Positioning holes 10, 10, . . . are formed spaced apart laterally near the support pieces 9, 9, . . . and their lower ends.

Reference numerals 11 and 11 denote connection fittings, which are fixed with screws at positions near both ends of the base 2, and screw holes 12, 12 are provided along the end surfaces of the base 2.
is formed.

Elastic pieces 13, 13 are attached between positioning holes 10 and 10 and between 10 and 10 on the outer surfaces of the support pieces 9, 9.

(c Glove) Since the gloves 3 and 3 are formed in the same structure, only one of them will be explained, and the explanation of the remaining ones will be omitted.

The globe 3 comprises a plurality of globe elements, in the illustrated example three globe elements 14,1.
4 and 14 are connected.

(c-1 Globe Element) The globe element 14 has a short cylindrical shape with a substantially oval cross-sectional shape, and is made of a transparent material that is colored in an appropriate color or is colorless.

A low platform 15 is formed on the bottom surface of the globe element 14 and extends in the axial direction from the center thereof.
Engagement pieces 16, 16 are formed to protrude outward from a half portion of one end side in the axial direction of both side edges of the platform portion 15. Engagement pieces 16, 16
The length is approximately equal to the length of the notches 7, 7, . The length of the portion where is not formed is approximately equal to the interval between the respective notches 7, 7, .

Reference numeral 17 denotes a recessed portion formed in the inner bottom portion of the glove element 14 by forming the platform portion 15 at the bottom portion of the glove element 14 .

Horizontal pieces 18 protrude from positions near the upper ends of both sides of the recessed part 17 in directions that oppose each other,
18 is formed at an appropriate distance from the bottom surface of the recess 17.

Reference numerals 19 and 19 denote mounting ribs, which are erected on the bottom surface of the recess 17 at positions near both side edges.

Thus, sliding spaces 20, 20 are formed between the upper edges of the mounting ribs 19, 19 and the lower surfaces of the horizontal pieces 18, 18.

21, 21, . . . are bolt guide portions provided in two places on the upper part and two places on the lower part of the inner surface of the globe element 14, and two guide walls 22, which extend in parallel and in the axial direction of the globe element 14, respectively. 22.

23 is an engagement groove formed to extend annularly on one end surface of the globe element 14, and an outer abutting end surface 24a is provided on the outside of the engagement groove 23.
Furthermore, an inner abutting end surface 24 is provided on the inner side of the engagement groove 23.
b is formed. And the inner abutting end surface 24b
is positioned slightly closer to the other end of the globe element 4 than the outer abutting end surface 24a.

An annular gasket 25 is fitted into the depth of the engagement groove 23.

26 is an engagement protrusion formed to extend annularly on the other end surface of the globe element 14, and an outer abutting end surface 27a is provided on the outside of the engagement protrusion 26.
In addition, an inner abutting end surface 2 is provided on the inner side of the engagement protrusion 26.
7b is formed. The outer abutting end surface 27a and the inner abutting end surface 27b are substantially in the same plane.

Therefore, the two globe elements 14, 14
When connected, one globe element 14
The engagement protrusion 26 of the other glove element 14
The outer abutting end surfaces 2 of
7a and 24a are in contact with each other, and in this state, the engagement protrusion 2
The distal end surface of 6 makes elastic contact with the gasket 25 in the engagement groove 23, and the inner abutting end surfaces 27b and 24b are slightly separated from each other.

(c-2 Inner Cover) 28 is an inner cover attached to the inner end of the glove 3, and has a substantially oval disk shape.

An annular protrusion 2 is provided on the peripheral edge of the inner cover 28.
9 is formed, and an engagement groove 30 is formed on the end surface of the protrusion 29 on the glove 3 side, and this engagement groove 30
An annular gasket 25 is fitted into the inner part of the gasket. Then, the engagement protrusion 26 of the glove element 14 located at the innermost position of the glove 3 is engaged.

In addition, the inner cover 28 is formed with four insertion holes 31, 31, . . . at locations corresponding to the bolt guide portions 21, 21, . Pin 32, 32
is formed.

(c-3 Combining a plurality of glove elements) The glove 3 is formed by connecting a plurality of glove elements 14 as described above. In the illustrated embodiment, three globe elements 14 ₁ , 14 ₂ , 1
Here is an example of combining 4 ₃ .

Three globe elements 14 ₁ , 14 ₂ , 14
₃ are arranged in such a way that the engagement groove 23 formed on one end surface of one glove element 14 is engaged with the engagement protrusion 26 formed on the other end surface of the next glove element 14. As a result, a long cylindrical globe-like object is formed, and in this state, the bolt guide portion 2 of each globe element 14 ₁ , 14 ₂ , 14 ₃ is formed.
1, 21, . . . are arranged in one example.

Therefore, the engagement protrusion 26 formed on the other end of the innermost glove element 14 ₁ is engaged with the engagement groove 30 formed on the inner cover 28 .

Reference numeral 33 denotes a screw receiving fitting provided on the upper inner surface of one end of the globe element 14 ₃ located at the outermost position, and a cylindrical body 3 protruding inward is provided at both ends thereof.
4, 34 are formed, and screw holes 35, 35 are formed through the cylinders 34, 34. The cylindrical bodies 34, 34 of the screw receiving fitting 33 are press-fitted into the ends of the upper bolt guide parts 21, 21.

Reference numerals 36 and 36 denote screw receiving fittings that are provided spaced apart on both sides at the lower part of the inner surface near the outer end of the globe element ₁₄₃ , and cylinder bodies 37, 37 are formed therein. Screw holes 38, 38 are formed through this. The screw receiving fittings 36, 36 have cylindrical bodies 37, 37 located at the lower bolt guide portions _{21, 2} of the globe element 143.
It is press-fitted and held at the end of 1.

39, 39, . . . are connection bolts, and the globe elements 14 ₁ ,
14 ₂ , 14 ₃ and the inner cover 28, insert the insertion holes 31, 31, _{. .} . of the inner cover ₂₈ , and the bolt guide portions 21, 21, . Screw holder 3
The three globe elements 14 1 , 14 2 , 14 3 are screwed into screw holes 35 , 35 , 38 , 38 formed in the cylinder bodies 34 , 34 , 37 , 37 of the three globe elements 14 ₁ , 14 ₂ , 14 ₃ . and the inner cover 28 are integrally coupled. The outer abutting end surfaces 24a and 27a of the adjacent globe elements 14 ₁ , 14 ₂ , 14 ₃ are in contact with each other, and this contact portion receives the tightening force from the connecting bolts 39 , 39 , . . . . On the other hand, a slight gap is formed between the inner mating end surfaces 24b and 27b.

However, the tightening force of the connecting bolts 39, 39, ... is not always optimal, and in order to ensure the reliability of the connection, they are often tightened somewhat strongly. Due to the elasticity of the material, the outer butt single surfaces 24a, 27
While the area near a is deformed, the inner butt single surface 24
b and 27b are in contact with each other, and the connecting bolt 3
9, 39, . . . cannot be tightened, and the connecting portions of the glove elements 14, 14 can be prevented from being significantly deformed.

Reference numerals 40 and 40 denote mounting fittings that are approximately L-shaped.
The mounting fittings 40, 40 are fixed to positions near the outside of the bottom surface of the glove element 143 located at the outermost side of the glove ₃ by rivets 41, 41, . . . . Insertion holes 42, 4 are provided in the parts of the mounting fittings 40, 40 that protrude downward from a position substantially along the outer surface of the glove 3.
2 is formed.

(c-4 Attaching the glove to the base) Then, hold the glove 3 onto the base 2 with the outer end slightly protruding from the edge of the base 2, and then attach the glove 3 to the base 2. Formed engagement piece 1
6, 16, ... into the notches 7, 7, ... of the engaging edges 6, 6 of the base 2, and then insert the engaging pieces 16, 16, ...
The upper surface is made to substantially correspond to the lower surface of the engaging edges 6, 6. Then, when the glove 3 is pushed toward the center of the base 2, the engaging pieces 16, 16, . ... engages with the engaging edges 6, 6.

At this time, the engaging pins 32, 32 formed on the inner cover 28 are engaged with the positioning holes 10, 10 provided in the support piece 9 provided upright on the base 2.

(c-5 Outer Cover) 43 is an outer cover, which is made of the same transparent material as the material of the glove 3 and has a substantially oval disk shape.

An annular engagement protrusion 44 is formed along the slightly inner side of the periphery of the outer cover 43, and the engagement protrusion 44 engages with the engagement groove 23 of the glove element ₁₄₃ located at the outer end of the glove 3. will be combined.

Furthermore, a protruding piece 45 that protrudes downward is integrally formed from the lower edge of the outer cover 43 except for both ends.

A total of four insertion holes 46, 46, .
7 is formed.

Then, when the engagement protrusion 44 is engaged with the engagement groove 23 of the glove element 14 ₃ located at the outer end of the glove 3, the insertion hole 46 in which the mounting screws 48, 48, . . . , 46, ... are inserted into the cylinder bodies 34, 3 of the screw receivers 33, 36, 36.
Screw holes 35, 35, formed in 4, 37, 37,
38, 38, and thereby the outer cover 43 is attached to the glove 3.

In addition, the glove 3 is attached to the base 2 as described above.
After being attached to the outer cover 43, the protrusion 45 of the outer cover 43
The mounting screws 49, 49 are fixed to the outer end of the base 2 through the insertion holes 47, 47 provided in the globe 3 and the insertion holes 42, 42 of the mounting brackets 40, 40 fixed to the bottom of the outer end of the globe 3. The gloves 3 are screwed into the screw holes 12, 12 of the connecting fittings 11, 11, thereby fixing the glove 3 to the base 2.

(d Unit Stand) The unit stand 4 is formed of a metal plate, and has engagement edges 50, 50 that are bent into a substantially L-shape at both ends along the longitudinal direction and protrude outward.

Reference numeral 5 designates a warning light unit provided on the unit base 4, and a light bulb support portion 5 fixed to the unit base 4.
1 and a reflecting mirror 54 supported on a rotating body 53 rotatably supported on the unit base 4.

The reflecting mirror 54 has a shape in which two paraboloidal reflecting parts 55, 55 each having a top-cut shape are joined back to back, and an insertion hole 56 is formed in the lower surface of the center thereof. Through the insertion hole 56, the light emitting part of the light bulb 52 passes through the two reflecting parts 55, 5.
located approximately at the common focus of 5.

The rotating body 53 is rotated by a drive unit (not shown), and when the rotating body 53 rotates, the reflecting mirror 54 is rotated, and the warning light unit is turned on with the light bulb 52 lit. If you look at 5, it looks like a flash of light.

Reference numeral 57 denotes a tilted mirror installed upright on the unit base 4, and is divided into three parts 57a, 57b, and 57c.
The three parts 57a, 57b, 57c are sequentially connected to the light bulb 5.
It is designed to reflect the light from 2 forward.

Reference numeral 58 denotes a parabolic reflector provided on the unit base 4 so as to face backward;
The light bulb is mounted on the unit stand 4 so as to be located at approximately the focal point of 8.

In the unit base 4 as described above, the engaging edges 50, 50 provided on both side edges thereof are inserted into and engaged with the sliding spaces 20, 20 provided in the inner bottom of the glove 3. supported within.

(e Others) 60, 60 are loudspeakers attached between the support pieces 9 on the base 2, one facing forward and the other facing backward.

Reference numerals 61, 61 are covers that cover the central part of the base 2, the part between the supporting pieces 9, ie, the part to which the loudspeakers 60, 60 are attached.

(G Effect of the Invention) As is clear from the above description, the in-vehicle warning light of the present invention includes a base fixed to the roof of a vehicle, and a cylindrical shape formed of a transparent material and attached to the base. A vehicle-mounted warning light is equipped with a glove that is attached to the glove, and a unit base that is detachably attached to the glove and supports a warning unit that includes a light source, a reflector, etc. Short cylindrical glove elements are connected by connecting bolts inserted one after another into the bolt insertion holes of each glove element, and each glove element has an engaging protrusion at one end and a separate groove at the other end. An engagement groove is formed in which the engagement protrusion of the glove element is engaged, and when the two glove elements are combined, the end face located outside the engagement groove of one glove element is connected to the engagement groove of the other glove element. When it comes into contact with the end face located on the outside of the engagement protrusion, there is a slight gap between the end face located on the inside of the engagement groove of one glove element and the end face located on the inside of the engagement protrusion of the other glove element. It is characterized by having dimensions that create a gap.

Therefore, in the vehicle-mounted warning light of the present invention, even if the tightening force between the respective globe elements becomes somewhat excessive, it can be absorbed by the elastic deformation of the material while the inner sides of the engaging groove and the engaging protrusion are tightened. The end faces at are in contact with each other,
Since the corresponding contact portion also receives the above-mentioned tightening force, the tightening force that can be received by the connecting portion of the glove element is large and does not easily cause deformation.

In addition, when the outer end surfaces of the engagement groove and the engagement protrusion come into contact, there is a slight gap between the inner end surfaces, so the outer end surfaces are always brought into contact. Therefore, not only does it look good, but it also satisfies the waterproof performance required of the connecting portion.

[Brief explanation of the drawing]

Figures 1 to 13 show an example of the implementation of the vehicle-mounted revolving light of the present invention, in which Figure 1 is a perspective view, Figure 2 is an exploded perspective view, Figure 3 is a plan view, and Figure 4 is a front view. ,
5 is an enlarged sectional view taken along the - line in FIG. 4, FIG. 6 is an enlarged sectional view taken along the - line in FIG.
The figures are an enlarged sectional view taken along - in FIG. 4, FIG. 8 is a perspective view of the glove, an exploded perspective view of the glove in FIG. 9, FIG. 10 is a side view of the glove, and FIG. 11 is a bottom view of the glove. Fig. 12 is a plan view of the unit base, Fig. 13 is a sectional view taken along the - line in Fig. 12, Figs. FIG. 15 is a perspective view, FIG. 15 is a cross-sectional view of the main part, and FIG. 16 is a cross-sectional view of the main part showing the problem. Explanation of symbols, 1... Vehicle-mounted warning light, 2... Base,
3... Globe, 4... Unit stand, 5... Warning unit, 14... Globe element, 23...
...Engagement groove, 24a...End face located on the outside, 24
b... End face located on the inside, 26... Engaging protrusion,
27a... End face located on the outside, 27b... End face located on the inside, 28, 43... Cover, 39...
...(Connection) Bolt, 48, 49...Bolt.

Claims (1)

[Scope of Claims] 1. A base fixed to the roof of a vehicle, a glove formed into a cylindrical shape made of a transparent material and attached to the base, and a light source and a reflector detachably attached to the glove. In a vehicle-mounted warning light equipped with a unit base supporting a warning unit consisting of a mirror, etc., the globe has a plurality of short cylindrical globe elements arranged in the axial direction, which are inserted one after another into the bolt insertion holes of each globe element. Each glove element has an engagement protrusion at one end and an engagement groove in which the engagement protrusion of another glove element is engaged at the other end. When two glove elements are engaged, when the end face of one glove element located outside the engagement groove contacts the end face located outside the engagement protrusion of the other glove element, one glove A vehicle-mounted warning light characterized in that the dimensions are such that there is a slight gap between an end face located inside an engagement groove of one element and an end face located inside an engagement protrusion of the other globe element. 2. The vehicle-mounted warning light according to claim 1, wherein a cover is attached to both end surfaces of the glove with bolts.