JP2003336230A - Mounting depth adjusting device for marker light, and marker light device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting depth adjusting device for a marker light, which can ensures a great adjustable width and can be inexpensively manufactured by virtue of simplicity in structure. <P>SOLUTION: This mounting depth adjusting device A for the marker light F is equipped with: a first ring-shaped member 1, the under surface of which is equipped with a base mounting seat 1a and the peripheral side surface of which has a thread groove 1b; a second ring-shaped member 2, the top surface of which has an adjusting ring mounting seat 2a and the peripheral side surface of which has a thread groove 2b; and a third cylindrical member 3, the lower peripheral surface of which has a first thread groove 3a for being screwed into the thread groove 1a of the member 1 and the upper peripheral surface of which has a second thread groove 3b for being screwed into the thread groove 2b of the member 2. A base C is mounted on the seat 1a of the member 1 in a direct manner or in an indirect manner via an adaptor E, etc.; an adjusting ring D is mounted on the seat 2a of the member 2 in the same manner; and the marker light F is mounted on the adjusting ring D in the same manner. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a base light embedded in a road surface, which is used as a marker light for an aircraft pilot at an airport, or is used for roads, etc. TECHNICAL FIELD The present invention relates to a mounting depth adjusting device for a marker light for correcting and mounting the same and an embedded marker light device including the same.

[0002]

2. Description of the Related Art In order to attach a marker light of this kind to a road surface, at least a part of a base is embedded in a concrete foundation in advance, and a pavement is formed on the concrete foundation to form a road surface. Boring the buried part of the stand, and inserting the adjusting ring or the mounting depth adjusting device for the indicating lamp and the adjusting ring between the base and the indicating lamp, the horizontal direction between the adjusting ring and the indicating lamp. It is common to install after adjusting.

A conventional mounting depth adjusting device for a marker light has a structure described in Japanese Patent Publication No. 26010/1990.
As shown in FIG. 5, this mounting depth adjusting device for a marker light is
An adjustment adapter 3 is interposed between the base 1 and the adjustment ring 5. The adjustment adapter 3 is for adjusting the distance between the base 1 and the adjustment ring 5, and the fixing ring 16
And a movable ring 40. And the fixed ring 1
6 is fixed to the base 1 by, for example, being integrally formed at the open end of the base 1. A screw 17 is engraved on the inner surface of the open end. On the other hand, the movable ring 40 has a mounting portion 43 protruding laterally from the top end portion of the ring body 42, and a screw 44 that engages with the screw 17 of the fixed ring 16 is engraved on the side surface.

By rotating the movable ring 40 to adjust the screwing position of the screw 44 of the movable ring 40 with respect to the screw 17 of the fixed ring 16, the movable ring 40 is adjusted.
Since the position of the mounting portion 43 from the base 1 moves up and down, the height of the adjustment adapter 3 can be adjusted so as to match the distance between the base 1 and the adjustment ring 5. And
When the adjustment ring 5 is attached to the attachment portion 43 of the movable ring 40, and the lamp body of the indicator lamp is further attached to the adjustment ring 5, the lamp body is fixed to the road surface regardless of the embedded depth of the base 1. It can be installed so that it is in the position.

[0005]

The thickness of the pavement on the road surface where the marker lights are attached is often known after test boring. On the other hand, the mounting depth adjusting device for a marker lamp is often manufactured by predicting the design value.

However, in the conventional mounting depth adjusting device for a marker light, since the adjustable width is relatively narrow, there are cases where it cannot be adapted to an actual road surface. In such a case, since the mounting depth adjusting device for a marker light is remade, there is a problem that a process is delayed.

An object of the present invention is to provide a mounting depth adjusting device for a marker lamp, which has a wide adjustable range, has a simple structure, and can be manufactured at low cost.

[0008]

According to a first aspect of the present invention, there is provided a marker lamp mounting depth adjusting device, comprising: a ring-shaped first member having a base mounting seat on a lower surface thereof and a thread groove on a peripheral side surface thereof. A ring-shaped second member having an adjustment ring mounting seat on the upper surface and having a thread groove on the peripheral side surface; and a first thread groove screwed into the thread groove of the first member on the lower peripheral surface A cylindrical third member having an upper peripheral surface having a second thread groove that is screwed into the thread groove of the second member.

In the present invention and each of the following inventions, the definitions and technical meanings of terms are as follows.

<Regarding the First Member> The first member is a means for attaching the mounting depth adjusting device for a marker light to the base, and has a ring shape, and has a base mounting seat on the lower surface. Moreover, the peripheral side surface is provided with a thread groove. The inner diameter of the ring portion may be small or large as long as it does not hinder power supply to the marker lamp. The axial height of the ring-shaped portion is not limited to a particular size.

The base mounting seat is a means for mounting the first member on the base, and it is generally preferable to adopt a structure adapted to the mounting portion for mounting the adjustment ring on the base side. Other structures may be used if necessary. It suffices if it can be attached to the base, and therefore the structure of the base attachment seat is not limited to a particular structure. As a base mounting seat,
For example, it can be formed by forming a plurality of screw holes dispersed in the circumferential direction at the upper open end of the base.

Further, the thread groove of the first member provides a first means for adjusting the height by being screwed into the first thread groove of the third member described later. The thread groove may be formed on either the outer peripheral side surface or the inner peripheral side surface of the first member.

Further, the first member may be made of any material, but is preferably made of a material having strength and durability so as not to be damaged by running of the vehicle. Therefore, the material is preferably a metallic material,
For example, the first member can be formed of an aluminum casting.

<Regarding the Second Member> The second member is a means for mounting the adjusting ring at the upper end of the mounting depth adjusting device for the marker lamp. And
It is ring-shaped and has an adjustment ring mounting seat on the upper surface and a thread groove on the peripheral side surface. The inner diameter of the ring portion may be such that the lower protrusion of the indicator light attached to the adjustment ring can be recessed. The axial height of the ring-shaped portion is not limited to a particular size.

The adjusting ring mounting seat generally has the same structure as the mounting portion of the base for mounting the adjusting ring, but may have another structure if necessary. The structure of the adjusting ring attachment seat is not limited to a particular structure as long as the adjusting ring can be attached.

Further, the thread groove of the second member is screwed into a second thread groove of a third member, which will be described later, to adjust a height as a mounting depth adjusting device for a marker lamp. To provide the means. The thread groove may be formed on either the outer peripheral side surface or the inner peripheral side surface of the second member.

Further, the material of the second member can be selected for the same reason as that of the first member, but the material of the second member can be the same as or different from that of the first member.

Furthermore, the first and second members can be formed in the same structure. However, different structures can be used if desired.

<Regarding Third Member> The third member has a first thread groove on the lower peripheral surface which is screwed with the thread groove of the first member, and is screwed with the thread groove of the second member. It has a cylindrical shape with a second thread groove on the upper peripheral surface.
The first and second screw grooves are formed on the inner peripheral surface or the outer peripheral surface so as to be screwed into the screw grooves of the first and second members. Further, it is preferable from the viewpoint of manufacturability that the first and second screw grooves are formed on the outer peripheral surface or the inner peripheral surface in a uniform manner. It may be formed.

The material of the third member can be selected from the same viewpoint as that of the first and second members, but can be formed of the same or different material. Furthermore, since the third member has a cylindrical shape,
It can be formed by using a general steel pipe material.

<Regarding Other Configurations> Although not an essential constituent feature of the present invention, by selectively adding the following configurations, a mounting depth adjusting device for a marker light and a marker light device using the same can be provided. Improved performance or increased functionality.

1 Thread Grooves of First to Third Members The thread grooves of the first to third members may not be continuously formed over the entire circumference. For example, the entire circumference can be equally divided into a number of about 6 to 8 in the circumferential direction, and regions with thread grooves and regions without thread grooves can be formed alternately. Thereby, first the first member with respect to the third member
Alternatively, the second member is fitted in such a manner that the area having one thread groove is aligned with the area having no thread groove on the other side, and is slid in the axial direction. Screw together. By doing so, the mounting depth can be finely adjusted, and the work becomes extremely easy.

2. Marking Light The marking light mounted on the base using the mounting depth adjusting device for a marking light of the present invention may be either an embedded type or an exposed type. As the embedded marker light, a light guide groove disposed on the upper surface, an internal space communicating with the light guide groove, and a prism for controlling the optical path liquid-tightly disposed between the light guide groove and the internal space are provided. A lamp body provided with the light source, an optical unit including a light source disposed in the interior space of the lamp body so as to project light toward the prism, and a power receiving terminal exposed downward from the lamp body and connected to the light source. The configuration provided can be adopted.

3 Adjustment Ring In the marker lamp attachment depth adjusting device of the present invention, the adjustment ring attached to the adjustment ring attachment seat of the second member is configured to adjust the horizontal attachment angle of the indicator light. can do. In addition, if necessary, it is allowed to additionally adjust the mounting angle in the vertical direction or to add another member for adjusting the mounting angle in the vertical direction to the adjustment ring. Furthermore, the indicator light is attached to the adjustment ring directly or indirectly via an adapter or the like.

4 Base In the marker lamp attachment depth adjusting device of the present invention, the base to which the first member is attached is not limited to a particular structure, shape and size. The pedestal is buried in the road surface to introduce wiring and provide a basis for mounting the marker lights. For that purpose, the base is first configured to be compatible with the piping method.
Specifically, it has a structure that can be connected to a pipe. It is optimal to use the side surface of the base for connection with the pipe, but the bottom surface may be used if necessary.

The base is also open at the top to provide a basis for mounting the marker lights. Then, it is configured to be indirectly attached via a mounting depth adjusting device for a marker light and an adjusting ring. To attach these, form a screw hole at an appropriate place on the open end of the base, form a through hole in the mounting depth adjusting device for the marker light, which corresponds to the screw hole, and attach a bolt through the through hole. It can be configured to be screwed into the screw hole. However, if necessary, project the stud bolt from an appropriate place at the open end of the base, form a through hole for the stud bolt to insert into the mounting depth adjustment device for the indicator light, and screw the nut into the stud bolt from above. Thus, the adapter can be fixed to the base.

Further, the base accommodates therein the receptacle connected to the wiring in the pipe in order to supply the electric power to the embedded marker lamp. The receptacle is connected to a plug derived from an adapter described later.

5 Adapter The adapter is interposed between the base and the embedded marker light to convert the power source connection method by the piping method into a power source connection method suitable for replacing the embedded marker light. Therefore, the adapter is equipped with an adapter body, a power supply terminal block and a plug, and has a function for mounting the adapter itself on a base, a function for mounting an embedded marker light, and a power connection system conversion function. I have it.

The adapter body has a recess on the top surface that receives the recessed indicator light. This recess is responsible for the main part of the function for mounting the recessed marker light. That is, the protruding lower portion of the embedded marker lamp is received to stably support the embedded marker lamp. Further, it is provided with a structure for fixing the embedded marker lamp. For example, conventional fastening means such as stud bolts or screw holes can be used. That is, in the case of a stud bolt, the recess is made by projecting the stud bolt upward from the adapter body, inserting the through hole formed in the recessed indicator light into the stud bolt, and stud the nut from above the recessed indicator light. Screw in the bolt and tighten. On the other hand, in the case of a screw hole, a screw hole is formed in the adapter body, a through hole is formed in the embedded marker light, and a bolt is screwed into the screw hole through the through hole and tightened.

Further, the adapter body has a fixing means for attaching the adapter to the base. For example, a mounting means corresponding to the mounting means of the base, for example, a through hole is provided on the periphery, and a bolt is screwed into the screw hole of the base from above the adapter body, or a stud protruding upward through the through hole of the adapter body. Tighten the nut by screwing it in from above the bolt.

Further, the adapter body may have either a single part construction or a composite part construction. In the latter case, a plurality of parts are combined to form the adapter body, but the plurality of parts may be separated or combined at any part. For example, the bottom portion may be separably separated from the other portions and may be configured to be joined by a fastener such as a bolt. In this case, you can inspect and repair the inside of the base simply by separating the bottom part without removing the adapter body from the base.
The above work can be performed more easily and in a shorter time.

<Operation of the Present Invention> In the invention according to claim 1, the first thread groove of the third member has the first thread groove.
By joining the thread groove of the member of
Further, the threaded groove of the second member is screwed into the second threaded groove of the third member to connect the two, and the mounting depth adjusting device for a marker lamp is separated from the base and the adjusting ring. The height is adjusted according to the distance, that is, the embedding depth. And
The three members are connected by interposing them between the base and the adjustment ring.
Therefore, it has the following features.

1 Since the third member is cylindrical, it can be formed by using a tubular material made of a general material. Therefore, the mounting depth adjusting device for a marker light can be provided at low cost.

2. It is possible to adapt to various embedding depths only by changing the third member to have different heights. Therefore, the adjustable range of the embedding depth can be increased.

According to a second aspect of the present invention, there is provided a mounting depth adjusting device for a marker light according to the first aspect, wherein the first member and the second member have the same structure. Is characterized by.

Since the marker lamp mounting depth adjusting device of the present invention has the above-mentioned structure, the first member and the second member can be used as a common member. Therefore, the number of types of parts is reduced, manufacturing and inventory management are facilitated, and the cost is reduced.

According to a third aspect of the present invention, there is provided a beacon lamp mounting depth adjusting device according to the first or second aspect, wherein at least one of the first member and the second member is: It is characterized in that it is provided with a projecting peripheral edge fitted to the inner peripheral surface of the opening end of the base or the adjustment ring.

Since the present invention has the above structure,
When the vehicle passes over the marker light, the load accompanying the large displacement generated in the horizontal direction can be applied by the marker light attachment depth adjusting device. Therefore, the load acting on the marker lamp, the adjusting ring, the marker lamp mounting depth adjusting device, and the fastening bolts for fixing the bases is reduced, so that the reliability of the marker lamp mounting can be improved. .

A marker lamp device according to a fourth aspect of the present invention is the signal lamp device according to the first aspect.
An embedded depth adjusting device for a marker light according to any one of 1 to 3; a base embedded on a road surface having an open end for attaching the first member of the attachment depth adjusting device for a marker light; An adjusting ring attached to the second member of the attachment depth adjusting device for a vehicle; and a marker lamp attached to the adjusting ring.

According to the present invention, by providing the above-mentioned structure, it is possible to obtain the marker lamp device whose height can be adjusted even when the embedded depth of the base is variously changed.

The marker lamp device according to the invention of claim 5 is the same as claim 4.
In the marker light device described above, the thread depth of the marker light attachment depth adjusting device is set to 1.5 / 100 or less of the outer diameter of at least one of the base, the adjusting ring and the marker light. Is characterized by.

Since the present invention has the above-mentioned structure, the height adjustment amount per screw rotation can be known from the outer diameter of at least one of the base, the adjustment ring and the indicator lamp. Work becomes easy. Especially the screw pitch is 1
By setting / 100, the amount of height adjustment per one rotation of the screw becomes easier to divide.

[0043]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show a first embodiment of a mounting depth adjusting device for a marker lamp and a marker lamp device using the same according to the present invention. FIG. 1 is an exploded sectional view of the entire device. FIG. 4 is an exploded sectional view of a mounting depth adjusting device for a marker light. In each drawing, A is a mounting depth adjusting device for a marker light, and B is a marker light device.

<Mounting Depth Adjusting Device A for Marking Lights> The mounting depth adjusting device A for marking lights includes first, second and third members 1, 2, and 3.

(First Member 1) The first member 1 is made of aluminum casting, has a ring shape, has a base mounting seat 1a on the lower surface, and has a thread groove 1b on the peripheral side surface. Have The base mounting seat 1a is formed so as to be mounted on an upper open end of a base C described later, and has a through hole 1a1.
Is equipped with. Then, the bolt 4 is passed through the through hole 1a1.
By screwing the first member 1 into the base C
Fixed to. The thread groove 1 a is formed on the outer peripheral surface of the first member 1. Further, the first member 1 is formed with a projecting peripheral edge 1c protruding downward from the inner peripheral surface thereof. The projecting peripheral edge 1c is fitted to the open end of the base C to prevent lateral displacement of the first member 1.

(Second Member 2) The second member 2 is used for fixing an adjusting ring D described later, but in the present embodiment, the same material as the first member 1 and
It has the same structure and is supported by the third member 3 with its front and back reversed. That is, the second member 2 has a ring shape, and has the adjustment ring mounting seat 2a on the upper surface and the thread groove 2b on the peripheral side surface. The adjustment ring mounting seat 2a is composed of a peripheral step portion and has an adjustment ring D described later.
And is provided with a screw hole 2a1. Then, the adjustment ring D is fixed to the second member 2 by screwing the bolt 5 into the screw hole 2a1 via the through hole of the adjustment ring D. Further, the adjustment ring mounting seat 2a is provided with a through hole 2 in order to raise the stud bolt.
a2 is also formed. When the indicator lamp E is directly attached to the adjustment ring D, it can be fixed with a stud bolt. The thread groove 2b is formed on the outer peripheral surface of the second member 2. Further, the second member 2 is formed with a protruding peripheral edge 2c protruding upward from the inner peripheral surface thereof.
The opening end of the adjustment ring D is fitted to the protruding peripheral edge 21c to prevent the adjustment ring D from lateral displacement.

(Third Member 3) The third member 3 is made of a material obtained by cutting a steel pipe material as a general material, has a cylindrical shape, and has first and second thread grooves 3a, 3b. The first thread groove 3a is formed on the inner peripheral surface of the lower portion of the third member 3, and the thread groove 1b of the first member 1 is formed.
The third member 3 and the first member 1 are joined together by screwing. The second screw groove 3b is formed on the inner peripheral surface of the upper portion of the third member 3, and is screwed into the screw groove 2b of the second member 2 to be screwed into the third member 3 and the second member 2. Are combined with. No thread groove is formed in the axially intermediate portion of the inner peripheral surface of the third member 3.

<Signal Lamp Device B> The marker lamp device B comprises a base C, an adjusting ring D, an adapter E and a marker lamp F in addition to the mounting depth adjusting device A for the marker lamp. There is.

(Base C) The base C has an open end 1 at the upper end.
1 and a bottomed cylindrical shape having an internal space 12 inside, and a receptacle 13 housed in the internal space 12. In addition, the side surface of the base C has a pipe connecting portion (not shown). Receptacle 1
Reference numeral 3 is connected to and attached to the tip of the wiring W led through the pipe and led out into the base. Furthermore, the base 10
A plurality of screw holes (not shown) are dispersedly formed on the upper surface of the open end 11 of. The screw hole is formed at a position directly facing the through hole 1a1 when the first member 1 is attached, and is used for attaching the first member 1.

(Adjustment Ring D) The adjustment ring D has a ring shape and is provided with the fitting seat 15 on the lower surface and the peripheral step portion 16 and the seal step portion 17 on the upper surface. The fitting seat 15 is fitted to the adjustment ring mounting seat 2 a of the second member 2. And, it has a through hole 15a and a screw hole 15b. The bolt 5 is inserted into the through hole 15a so that the second member 2
The adjustment ring D is fixed to the second member 2 by being screwed into the screw hole 2a1. The screw hole 15b is used to fix an adapter E described later with the screw 6 to the adjustment ring D.

(Adapter E) The adapter E includes an adapter body 21, a relay terminal block 22, a plug 23, and a power connector 24. The adapter body 21 has a recess 2
1a, a lower surface outer peripheral stepped portion 21b, an upper surface outer peripheral stepped portion 21c and a through hole 21d. The recess 21a is formed on the upper surface of the adapter body 21 and receives the lower portion of the marker lamp F described later. It should be noted that the peripheral step portion 2 is formed around the opening edge of the recess 21a.
1a1 is formed and supports the peripheral portion of the marker lamp F. A stud bolt (not shown) stands upright on the peripheral step portion 21a1. The lower surface outer peripheral stepped portion 21b is fitted to the peripheral stepped portion 16 of the adjustment ring C to attach the adapter E to the adjustment ring D.
Support.

(Signal lamp F) The marker lamp C is a lamp body 30,
It is provided with an optical unit 40 and a power receiving terminal 50, and is configured as an embedded type. The lamp body 30 includes the light guiding groove 3
1, an internal space 32, a prism 33, and the like. The lamp body 30 includes an upper lamp body 30A and a lower lamp body 30B.
In this case, the upper lamp body 30A and the lower lamp body 30B are covered with each other through the O-ring and fixed by screws, so that the internal space 32 is formed liquid-tight. Further, the lamp body 30 has a disk-shaped protruding portion at its lower portion. The upper lamp body 30A is formed by casting high strength metal. On the other hand, the lower lamp body 30B
Is formed by aluminum die casting.

The light guide groove 31 is arranged on the upper surface of the lamp body 30. Then, it communicates with the internal space 32. The internal space 32 is formed inside the lamp body 30, accommodates a power receiving portion and the like derived from an optical unit 40 and a power receiving terminal 50 described later, and a prism 33 described later.
Has a prism housing portion for housing Prism 33
Is stored in the prism storage portion 32a of the internal space 32,
The light emitting surface faces the light guiding groove 31, and the light incident surface faces the optical unit 40. The prism 33 is liquid-tightly sealed by a silicone rubber packing.
Further, a plurality of through holes 35 are formed in the peripheral portion of the lamp body 30, and the lamp body 30 is provided by a stud bolt and a cap nut (not shown) standing upright from the peripheral step portion 21a1 of the adapter E.
Is fixed to the adapter E.

The optical unit 40 includes a light source 41 and a reflecting mirror 4.
2 and the lamp socket 43 are unitized and are attached to the inner surface of the lower lamp body 30B via the position regulation frame 44. The optical unit 40 also includes a dichroic color filter 45, a neutral density filter 46, and the like. However, the dichroic color filter 45 and the neutral density filter 46 are attached together with the prism 32. The light source 41 is a one-side sealed halogen bulb. The reflecting mirror 42 is integrated with the light source 41. That is, the reflecting mirror 42 is formed by coating a dichroic reflecting film that reflects visible light and transmits infrared light on a reflecting base surface having a quadric surface of revolution formed on the inner surface of the glass molding base 42a. By inserting and fixing the sealing portion of the halogen light bulb inside the cylindrical portion of the top, it is integrated with the light source 41. The lamp socket 43 has the power receiving terminal 5
The light source 41 is attached to the base of the light source 41, which is integrated with the reflecting mirror 42, and supplies power to the light source 41. The position regulation frame 44 contacts the periphery of the front surface of the reflecting mirror 42 and regulates the positions of the light source 41 and the reflecting mirror 42 with respect to the prism 33.

As shown in FIGS. 7 and 10, the power receiving terminal 50 is connected to the power connector 24 of the adapter 20 on the lower surface of the lamp body 30 to receive power.

Another embodiment of the marker lamp attachment depth adjusting device of the present invention will be described below with reference to FIGS. 3 and 4. In each figure, the same parts as those in FIGS. 1 and 2 are designated by the same reference numerals and the description thereof will be omitted.

FIG. 3 is a sectional view showing a second embodiment of the mounting depth adjusting device for a marker lamp of the present invention. In this embodiment, the upper surface of the second member 2 is formed flat, and a push screw hole 2d that faces the screw portion 2a is formed.

After adjusting the second member 2 to the required height with respect to the third member 3, a push screw (not shown) is screwed into the push screw hole 2d, and the tip of the push screw is pushed. Is press-fitted into the threaded portion 2a to fix the second and third members 2 and 3.

FIG. 4 is an exploded perspective view showing a third embodiment of the marker lamp attachment depth adjusting device of the present invention. In this embodiment, the mounting depth adjusting device A for a marker lamp includes a fixed member 41 and a movable member 42.

The fixing member 41 has a cylindrical shape, and has a thread groove or a multi-step projection 41a on its inner peripheral surface and a base mounting seat 1a on its lower surface. Thread groove or multi-step projection 4
1a is formed by being divided in the circumferential direction. The base mount 1a is mounted on a base (not shown) by a conventional method.

The movable member 42 has a cylindrical shape and is inserted into the fixed member 41. The outer peripheral surface of the movable member 42 is provided with a thread groove or a multi-step projection 42a, and the upper surface thereof is provided with an adjusting ring mounting seat 2ab.
, Respectively. Thread groove or multi-step projection 41a
And 42a are associated such that they can rotate while engaging with each other.

In order to adjust the height of the marker lamp mounting depth adjusting device A, the thread groove or the multi-step projection 42a of the movable member 42 is replaced with the thread groove or the multi-step projection 41 of the fixed member 41.
The movable member 42 is inserted into the fixed member 41 at a position where a is divided. When the desired height is reached, the movable member 42 is rotated to engage the thread groove or the multi-step projection 41a with the thread groove or the multi-step projection 42a, and then the both are fixed by an appropriate means.

[0064]

According to the first aspect of the invention, a ring-shaped first member having a base mounting seat on the lower surface and a thread groove on the peripheral side surface,
A ring-shaped second member having an adjustment ring mounting seat on the upper surface and a thread groove on the peripheral side surface, and a first thread groove screwed with the thread groove of the first member are provided on the lower peripheral surface, and By including the cylindrical third member having the second thread groove to be screwed with the thread groove on the upper peripheral surface, the adjustable width can be wide, and the structure is simple and inexpensive. A mounting depth adjusting device for a marker light can be provided.

According to the second aspect of the invention, since the first member and the second member have the same structure, the number of types of parts is small, manufacturing and inventory management are easy, and the cost is low. It is possible to provide a mounting depth adjusting device for a marker light.

According to the invention of claim 3, in addition, at least one of the first member and the second member is provided with a projecting peripheral edge which is fitted to the inner peripheral surface of the opening end of the base or the adjusting ring. This reduces the load that acts on the indicator light, the adjustment ring, the attachment depth adjusting device for the indicator light, and the fastening bolts that fix between the bases, and improves the reliability of the attachment depth adjusting device for the indicator light. Can be provided.

According to a fourth aspect of the present invention, there is provided a marker lamp embedded depth adjusting device according to any one of the first to third aspects, and a road surface provided with an opening end for mounting the first member of the device. A marker lamp device having the effects of claims 1 to 3, comprising an embedded base, an adjusting ring attached to the second member of the device, and a marker lamp attached to the adjusting ring. can do.

According to the fifth aspect of the present invention, in addition, the thread pitch of the mounting depth adjusting device for the marker lamp is 1.5 / 1 of the outer diameter of at least one of the base, the adjusting ring and the marker lamp.
When it is set to 00 or less, it is possible to provide the marker lamp device in which the height adjustment amount per one rotation of the screw is easy to understand and the work thereof is easy.

[Brief description of drawings]

FIG. 1 is an exploded cross-sectional view of an entire device in a first embodiment of a marker lamp attachment depth adjusting device and a marker lamp device using the same.

[Fig. 2] Similarly, an exploded sectional view of a mounting depth adjusting device for a marker light.

FIG. 3 is a sectional view showing a second embodiment of a mounting depth adjusting device for a marker lamp of the present invention.

FIG. 4 is an exploded perspective view showing a third embodiment of a mounting depth adjusting device for a marker lamp of the present invention.

FIG. 5 is a sectional view showing a sectional view of a main part of a conventional mounting depth adjusting device for a marker light.

[Explanation of symbols]

A ... Mounting depth adjusting device for sign light, B ... Signal light device, C ...
Base, D ... Adjustment ring, E ... Adapter, F ... Signal light, 1
... 1st member, 1a ... Base mounting seat, 1b ... Thread groove, 2 ...
2nd member, 2a ... adjusting ring mounting seat, 2b ... screw groove,
3 ... 3rd member, 3a ... 1st thread groove, 3b ... 2nd thread groove

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Katsuyuki Ide             4-3-1, Higashishinagawa, Shinagawa-ku, Tokyo             Itec Co., Ltd. (72) Inventor Yasushi Ishida             4-3-1, Higashishinagawa, Shinagawa-ku, Tokyo             Itec Co., Ltd. (72) Inventor Yoji Fujiuchi             88 Toyooka Kou, Mizukaido City, Ibaraki Prefecture Wako Electric Co., Ltd.             In-house (72) Inventor Yoichi Yamanoi             88 Toyooka Kou, Mizukaido City, Ibaraki Prefecture Wako Electric Co., Ltd.             In-house F term (reference) 2D064 AA02 AA22 AA27 DA09 DB07                       EA01 EB02 EB34 HA11                 3K080 AA08 AA12 AB17 BD01

Claims (5)

[Claims] 1. A ring-shaped first member having a base mounting seat on the lower surface and a thread groove on the peripheral side surface; a ring-shaped member having an adjusting ring mounting seat on the upper surface and a thread groove on the peripheral side surface. A second member of the first member; and a second screw member having a first screw groove that is screwed into the screw groove of the first member on the lower peripheral surface,
A cylindrical third member having a second thread groove on the upper peripheral surface to be screwed into the thread groove of the member; and a mounting depth adjusting device for a marker lamp. 2. The mounting depth adjusting device for a marker lamp according to claim 1, wherein the first member and the second member have the same structure. 3. At least one of the first member and the second member is provided with a protruding peripheral edge that fits on the inner peripheral surface of the opening end of the base or the adjustment ring. 2. A mounting depth adjusting device for a marker light according to 2. 4. An embedding depth adjusting device for a marker light according to any one of claims 1 to 3; embedded in a road surface having an open end for attaching a first member of the attaching depth adjusting device for a marker light. A marker lamp device, comprising: a base that is mounted on the marker member; an adjusting ring that is attached to the second member of the marker lamp attachment depth adjusting device; and a marker lamp that is attached to the adjusting ring. 5. A mounting depth adjusting device for a marker light is characterized in that a screw pitch thereof is set to 1.5 / 100 or less of an outer diameter of at least one of a base, an adjusting ring and a marker light. The marker lamp device according to claim 4.