JP4064726B2 - Marking lamp mounting depth adjusting device and marker lamp device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention is to use a marker lamp used as a marker light for an aircraft pilot at an airport, or to be used on a road, etc., on a base embedded in a road surface for correcting a deviation in the embedding depth. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marker lamp mounting depth adjusting device and an embedded marker lamp device including the same.
[0002]
[Prior art]
  In order to attach this type of marker lamp to the road surface, at least part of the base is buried in the concrete foundation in advance, and then the road surface is formed by paving on the concrete foundation, and then the place where the base is buried is placed. After boring and adjusting the horizontal direction between the adjustment ring and the indicator light by interposing the adjustment ring or the indicator light mounting depth adjustment device and the adjustment ring between the base and the indicator light It is common to install.
[0003]
  A conventional marker lamp mounting depth adjusting device has a structure described in Japanese Examined Patent Publication No. 2-26010. As shown in FIG. 5, the marker lamp mounting depth adjusting device has an adjusting adapter 3 interposed between a base 1 and an adjusting ring 5. The adjustment adapter 3 makes the distance between the base 1 and the adjustment ring 5 adjustable, and includes a fixed ring 16 and a movable ring 40. The fixing ring 16 is fixed to the base 1 by, for example, being formed integrally with the opening 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 projecting laterally from the top end portion of the ring body 42 and a screw 44 screwed into the screw 17 of the fixing ring 16 is engraved on the side surface.
[0004]
  Then, the position of the mounting portion 43 of the movable ring 40 from the base 1 is adjusted by rotating the movable ring 40 and adjusting the screwing position of the screw 44 of the movable ring 40 with respect to the screw 17 of the fixed ring 16. Therefore, the height of the adjustment adapter 3 can be adjusted to match the separation distance between the base 1 and the adjustment ring 5. When the adjustment ring 5 is attached to the attachment portion 43 of the movable ring 40 and the lamp body of the marker lamp is attached to the adjustment ring 5, the lamp body is in relation to the road surface regardless of the embedding depth of the base 1. So that it can be mounted in a predetermined position.
[0005]
[Problems to be solved by the invention]
  In many cases, the thickness of the pavement on the road surface to which the marker lamp is attached is known after the test boring. On the other hand, the marker lamp mounting depth adjusting device is often manufactured by predicting from the design value.
[0006]
  However, in the conventional marker lamp mounting depth adjusting device, the adjustable range is relatively narrow, so that it may not be adapted to the actual road surface. In such a case, there is a problem that the process is delayed because the marker lamp mounting depth adjusting device is remade.
[0007]
  An object of the present invention is to provide a marker lamp mounting depth adjusting device that can be adjusted in a large width, that is simple in structure, and that can be manufactured at low cost.
[0008]
[Means for achieving the object]
    BookThe marker lamp mounting depth adjusting device of the invention isA protruding peripheral edge that protrudes downward and fits to the inner peripheral surface of the opening end of the base,On the bottomFormed around the periphery of the protrusionBase mounting seatAnd outsideOn the circumferential sideBeen formedA ring-shaped first member having a thread groove;A projecting rim that has the same structure as the first member and its front and back reversed, and projects upward and fits to the inner circumferential surface of the opening end of the adjustment ring;On topFormed around the periphery of the protrusionAdjustment ring mounting seatAnd outsideOn the circumferential sideBeen formedA ring-shaped second member having a thread groove;Formed on the lower inner surfaceA first thread groove that is threadably engaged with the thread groove of the first member;Formed on the upper inner surfaceSecond screw groove that is screwed with the screw groove of the second memberAnd a portion having no thread groove formed on the inner peripheral surface of the intermediate portionA cylindrical third member; and a third member.
[0009]
  In the present invention and each of the following inventions, definitions and technical meanings of terms are as follows.
[0010]
  <About the first member> The first member is a means for attaching the marker lamp mounting depth adjusting device to the base, has a ring shape,Rim,Base mounting seatandIt has a thread groove. The inner diameter of the ring portion may be small or large as long as it does not interfere with power supply to the marker lamp. The height of the ring-shaped portion in the axial direction is not limited to a specific size.
[0011]
  The projecting peripheral edge is formed to project downward from the first member, and is fitted to the inner peripheral surface of the opening end of the base.
[0012]
  The base mounting seat isFormed around the periphery of the protrusion on the bottom surfaceIt is means for attaching the first member to the base, and generally adopts a structure that fits the attachment portion for attaching the adjustment ring on the base side. The base mounting seat can be formed by, for example, forming a plurality of screw holes dispersed in the circumferential direction at the upper opening end of the base.
[0013]
  The thread grooveFormed on the outer peripheral side surface of the first member;A first means for adjusting the height by screwing into a first thread groove of a third member described later is provided.
[0014]
  Furthermore, the first member may be formed of any material, but it is preferable that the first member be made of a material having strength and durability that is not damaged by traveling of the vehicle. Therefore, the material is preferably a metal material, and the first member can be formed of, for example, an aluminum-based casting.
[0015]
  <About the second member> The second member is a means for attaching the adjusting ring to the upper end of the marker lamp mounting depth adjusting device. AndIt is the same structure which reversed the 1st member and its front and back,It ’s ring-shaped,Rim,Adjustment ring mounting seatandIt has a thread groove. The inner diameter of the ring portion may be such that the lower projection of the marker lamp attached to the adjustment ring can be immersed. Note that the axial height of the ring-shaped portion is not limited to a specific size.
[0016]
  The protruding peripheral edge is formed so as to protrude upward from the second member, and is fitted to the inner peripheral surface of the opening end of the adjustment ring.
An adjustment ring mounting seat is provided, and a thread groove is provided on the peripheral side surface.
[0017]
  The adjustment ring mounting seatFormed around the periphery of the protrusion on the upper surface,Generally, the same structure as the mounting part of the base for mounting the adjustment ring is adopted. Any structure can be used as long as the adjustment ring can be attached, and the structure of the adjustment ring attachment seat is not limited to a specific structure.
[0018]
  Further, the thread groove of the second member is a second means for adjusting the height as the marker lamp mounting depth adjusting device by screwing into the second thread groove of the third member described later. provide. The thread groove may be formed on either the outer peripheral side surface or the inner peripheral side surface of the second member.
[0019]
  Further, the material of the second member can be selected for the same reason as in the first member, but can be formed using the same or different material as that of the first member.
[0020]
  <About the third member> The third member is the first thread groove,Second thread grooveAnd the part without thread grooveYesShiIt has a cylindrical shape. The first thread groove isFormed on the lower inner peripheral surface of the third member, 1 Screwed into the thread groove of the member.The second thread groove isIt is formed on the upper inner peripheral surface of the third member and is screwed into the thread groove of the second member. The portion without the thread groove is formed in the intermediate portion of the first and second thread grooves on the inner peripheral surface of the third member.
[0021]
  The third member can be selected from the same viewpoint as the first and second members, but can be formed using the same or different material. Furthermore, since the third member has a cylindrical shape, it can be formed using a general steel pipe material.
[0022]
  <Other Configurations> Although not an essential component of the present invention, the performance of a marker lamp mounting depth adjusting device and a marker lamp device using the same is improved by selectively adding the following components as desired. Or increase functionality.
[0023]
  1. (Thread grooves of the first to third members)    The thread grooves of the first to third members may not be formed continuously over the entire circumference. For example, it is possible to divide the entire circumference equally into 6 to 8 numbers in the circumferential direction, and alternately form regions with screw grooves and regions without screw grooves. As a result, the first or second member is first fitted to the third member so that the region with one thread groove matches the region without the other thread groove, and is slid in the axial direction to obtain the desired When the position is close to the height of, the adjacent screw grooves are screwed together. Then, the attachment depth can be finely adjusted, and the operation is greatly simplified.
[0024]
  2. (Beacon light)    The marker lamp attached to the base using the marker lamp attachment depth adjusting device of the present invention may be either an embedded type or an exposed type. As an embedded type marker lamp, a light guide groove disposed on the upper surface, an internal space communicating with the light guide groove, and a light path regulating prism disposed in a liquid-tight manner between the light guide groove and the internal space An optical unit including a light source disposed in the interior space of the lamp so as to project light toward the prism, and a power receiving terminal that is exposed on the lower surface downward from the lamp and is connected to the light source. The equipped structure can be adopted.
[0025]
  3. (Adjustment ring)    In the marker lamp mounting depth adjusting device of the present invention, the adjustment ring attached to the second member adjustment ring mounting seat can be configured to be able to adjust the horizontal mounting angle of the marker lamp. In addition, if necessary, it is allowed to adjust the vertical mounting angle or to add another member for adjusting the vertical mounting angle to the adjustment ring.
Furthermore, a marker lamp is attached to the adjustment ring directly or indirectly through an adapter or the like.
[0026]
  4. (Base)    In the marker lamp mounting depth adjusting device of the present invention, the base on which the first member is mounted is not limited to a specific structure, shape and size. The base is embedded in the road surface and introduces wiring and provides a basis for attaching a marker lamp. For this purpose, the base is first configured to be compatible with the piping method. Specifically, it has a structure that can be connected to piping. The connection with the pipe is optimally using the side surface of the base, but the bottom surface may be used if necessary.
[0027]
  In addition, the base has an open top surface to provide a basis for mounting the marker lamp. And it is comprised so that it may attach indirectly through an indicator lamp attachment depth adjustment apparatus, an adjustment ring, etc. In order to attach these, screw holes are formed at appropriate positions at the opening end of the base, and through holes corresponding to the screw holes are formed in the marker lamp mounting depth adjusting device, and bolts are passed through the through holes. It can be configured to be screwed into the screw hole. However, if necessary, the stud bolt protrudes from the appropriate position at the opening end of the base, forms a through hole for the stud bolt to be inserted into the marker lamp mounting depth adjustment device, and the nut is screwed into the stud bolt from above. Thus, the adapter can be configured to be fixed to the base.
[0028]
  Further, the base accommodates a receptacle connected to the wiring in the pipe in order to supply power to the embedded marker lamp. The receptacle is connected to a plug derived from an adapter described later.
[0029]
  5. (adapter)    The adapter is interposed between the base and the embedded beacon lamp to change the power connection system based on the piping method to a power supply connection system suitable for replacing the embedded beacon lamp. For this purpose, the adapter includes an adapter body, a power supply terminal block, and a plug. The adapter has a function for attaching the adapter itself to the base, a function for attaching an embedded marker lamp, and a power connection method switching function. I have.
[0030]
  The adapter body has a recess on the upper surface for receiving the embedded marker lamp. This recess is in charge of the main part of the function for mounting the recessed marker lamp. That is, the projecting lower portion of the embedded marker lamp is received and the embedded marker lamp is stably supported. Moreover, the structure for fixing an embedded type | mold marker lamp is provided. For example, a conventional fixing means such as a stud bolt or a screw hole can be used. In other words, in the case of a stud bolt, the recessed portion projects the stud bolt upward from the adapter body, inserts the through hole formed in the embedded type indicator lamp into the stud bolt, and inserts the nut from above the embedded type indicator lamp. Screw on 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 lamp, and a bolt is screwed into the screw hole via the through hole and tightened.
[0031]
  Moreover, the adapter main body is equipped with the adhering means for attaching an adapter to a base. For example, a mounting means corresponding to the mounting means of the base, for example, a through hole provided in the periphery, and a bolt is screwed into the screw hole of the base from above the adapter body or protrudes upward through the through hole of the adapter body Tighten the nut from above the bolt.
[0032]
  Furthermore, the adapter body may be either a single part configuration or a composite part configuration. In the latter case, the adapter main body is configured by combining a plurality of components, but the plurality of components may be separated or combined at any part. For example, it is possible to divide the bottom surface part so as to be separable from other parts and to connect them with a fixing tool such as a bolt. In this case, the inside of the base can be inspected and repaired only by separating the bottom surface portion without removing the adapter body from the base, and the above operations can be performed more easily and in a short time. Become so.
[0033]
  <About the action of the present invention> In the present invention, the screw thread of the first member is screwed into the first screw groove of the third member,And providing a first means for adjusting the height as a marker lamp mounting depth adjusting device.And by joining the screw groove of the second member to the second screw groove of the third member,And providing a second means for adjusting the height as the marker lamp mounting depth adjusting device.Adjusting the mounting depth adjusting device for the marker lamp to the distance between the base and the adjusting ring, that is, the height corresponding to the embedding depthbe able to. Then, the three members are joined by being interposed between the base and the adjustment ring. Therefore, it has the following characteristics.
[0034]
  1.Since the third member is cylindrical, it can be formed using a general pipe material. For this reason, the marker lamp mounting depth adjusting device can be provided at low cost.
[0035]
  2.It is possible to adapt to various embedding depths by simply changing the third member to have a different height. For this reason, the adjustable range of the embedding depth can be increased.
[0036]
  3.First1 And secondParts ofIs the same structure with both sides reversedThe first member and the second member can be a common member. Therefore, the number of parts is reduced, manufacturing and inventory management is facilitated, and the cost is reduced.
[0037]
  4).The first member and the second member are a baseandBecause it has a projecting rim that fits the inner peripheral surface of the opening end of the adjustment ring, the load accompanying the large displacement generated in the horizontal direction when the vehicle passes over the marker lamp can be adjusted. Can be loaded with equipment. For this reason, since the load which acts on the bolt for the fastening which fixes a marker lamp, an adjustment ring, the marker lamp attachment depth adjustment apparatus, and a base is reduced, the reliability of the marker lamp attachment can be improved. .
[0038]
    BookThe marker lamp device of the inventionThe present invention described aboveA marker lamp embedded depth adjusting device; a base embedded in a road surface having an open end to which the first member of the marker lamp mounting depth adjusting device is attached; and a marker lamp mounting depth adjusting device An adjustment ring attached to the second member; and a marker lamp attached to the adjustment ring.
[0039]
  The present inventionIn the sign lamp device ofBy providing the above structure, it is possible to obtain a marker lamp device capable of adjusting the height even if the embedding depth of the base is variously changed.
[0040]
    BookInvention marker lamp deviceAs one aspectThus, in the marker lamp mounting depth adjusting device, the screw pitch 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 lamp.
[0041]
  BookIn aspectSince the above structure is provided, the height adjustment amount per one screw rotation can be obtained from the outer diameter of at least one of the base, the adjustment ring, and the marker lamp, so that the work is facilitated. . In particular, by setting the screw pitch to 1/100, it becomes easier to adjust the height adjustment amount per screw rotation.
[0042]
DETAILED DESCRIPTION OF THE INVENTION
  Embodiments of the present invention will be described below with reference to the drawings.
[0043]
    1 and 2 show a first embodiment of a marker lamp mounting depth adjusting device and a marker lamp device using the same according to the present invention, FIG. 1 is an exploded sectional view of the entire device, and FIG. 2 is a marker lamp. FIG. In each figure, A is a marker lamp mounting depth adjusting device, and B is a marker lamp device.
[0044]
  <Indicator Lamp Depth Adjustment Device A> The indicator light attachment depth adjuster A includes first, second, and third members 1, 2, and 3.
[0045]
    (First member 1) The first member 1 is made of an 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. Yes. The base mounting seat 1a is formed so as to be placed on the upper opening end of the base C, which will be described later, and includes a through hole 1a1. Then, the first member 1 is fixed to the base C by screwing the bolt 4 into the base C via the through hole 1a1. 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 protruding peripheral edge 1c protruding downward from the inner peripheral surface thereof. The protruding peripheral edge 1c is fitted to the opening end of the base C to prevent the lateral displacement of the first member 1.
[0046]
    (Second member 2) The second member 2 is used for fixing an adjusting ring D described later. In the present embodiment, the second member 2 has the same material and the same structure as the first member 1. The first member is reversed and supported by the third member 3. That is, the second member 2 has a ring shape, and has an adjustment ring mounting seat 2a on the upper surface and a thread groove 2b on the peripheral side surface. The adjustment ring mounting seat 2a is composed of a circumferential step portion, is formed so as to place an adjustment ring D described later, and includes 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 2 a 1 through the through hole of the adjustment ring D. The adjustment ring mounting seat 2a is also formed with a through hole 2a2 for the purpose of raising the stud bolt. In addition, when attaching the marker lamp E directly to the adjustment ring D, it can be fixed using a stud bolt. The thread groove 2 b is formed on the outer peripheral surface of the second member 2. The second member 2 is formed with a protruding peripheral edge 2c that protrudes 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 being laterally displaced.
[0047]
    (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 screw grooves 3a, 3b. is doing. The first screw groove 3 a is formed on the inner peripheral surface of the lower part of the third member 3, and is screwed into the screw groove 1 b of the first member 1 to be engaged with the third member 3 and the first member 1. And The second screw groove 3 b is formed on the inner peripheral surface of the upper portion of the third member 3, and is screwed into the screw groove 2 b of the second member 2 to be engaged with the third member 3 and the second member 2. And In addition, the thread groove is not formed in the axial intermediate part of the inner peripheral surface of the third member 3.
[0048]
  <Signal Lamp Device B> The marker lamp device B includes a base C, an adjustment ring D, an adapter E, and a marker lamp F in addition to the marker lamp mounting depth adjusting device A.
[0049]
    (Base C) The base C has a bottomed cylindrical shape having an open end 11 at the upper end and an internal space 12 inside, and further includes a receptacle 13 accommodated in the internal space 12. Further, on the side surface of the base C, there is a pipe connection portion (not shown). The receptacle 13 is connected to and attached to the tip end of the wiring W led through the pipe and led out into the base. Furthermore, a plurality of screw holes (not shown) are formed on the upper surface of the opening end 11 of the base 10 in a dispersed manner. The screw hole is formed at a position facing the through hole 1a1 when the first member 1 is attached, and is used for attaching the first member 1.
[0050]
    (Adjustment Ring D) The adjustment ring D has a ring shape, and includes a fitting seat 15 on the lower surface and a peripheral step portion 16 and a 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 the through-hole 15a and the screw hole 15b. The through-hole 15 a fixes the adjustment ring D to the second member 2 by being inserted into the screw hole 2 a 1 of the second member 2 through the bolt 5. The screw hole 15 b is used to fix an adapter E, which will be described later, to the adjustment ring D with the screw 6.
[0051]
    (Adapter E) The adapter E includes an adapter main body 21, a relay terminal block 22, a plug 23, and a power connector 24. The adapter main body 21 has a recess 21a, a lower surface outer peripheral step portion 21b, an upper surface outer peripheral step portion 21c, and a through hole 21d. The concave portion 21a is formed on the upper surface of the adapter main body 21, and accepts a lower portion of a marker lamp F described later. In addition, the peripheral step part 21a1 is formed in the peripheral edge of the opening end of the recessed part 21a, and the peripheral part of the marker lamp F is supported. A stud bolt (not shown) is erected on the circumferential step portion 21a1. The lower surface outer peripheral step portion 21 b is fitted to the peripheral step portion 16 of the adjustment ring C to support the adapter E on the adjustment ring D.
[0052]
    (Signal Lamp F) The label lamp C includes a lamp body 30, an optical unit 40, and a power receiving terminal 50, and is configured as an embedded type. The lamp body 30 includes a light guide groove 31, an internal space 32, a prism 33, and the like. The lamp body 30 is divided into two parts by an upper lamp body 30A and a lower lamp body 30B. By covering the upper lamp body 30A and the lower lamp body 30B via an O-ring and fixing them with screws, The internal space 32 is formed fluid-tight. Further, the lamp body 30 has a disk-like protrusion at the lower part thereof. The upper lamp body 30A is formed by casting a high-strength metal. On the other hand, the lower lamp body 30B is formed by aluminum die casting.
[0053]
  The light guide groove 31 is disposed on the upper surface of the lamp body 30. And it communicates with the internal space 32. The internal space 32 is formed inside the lamp body 30 and stores a power receiving portion and the like led out from an optical unit 40 and a power receiving terminal 50 which will be described later, and has a prism housing portion that houses a prism 33 which will be described later. ing. The prism 33 is housed in the prism housing portion 32 a of the internal space 32, the light emitting surface thereof faces the light guide groove 31, and the light incident surface faces the optical unit 40. The prism 33 is liquid-tightly sealed with a silicone rubber packing. A plurality of through holes 35 are formed in the peripheral portion of the lamp body 30, and the lamp body 30 is fixed to the adapter E by stud bolts and cap nuts (not shown) that stand up from the peripheral step portion 21 a 1 of the adapter E. .
[0054]
  The optical unit 40 includes a light source 41, a reflecting mirror 42, a lamp socket 43, and the like as a unit, and is attached to the inner surface of the lower lamp body 30B via a position restriction frame 44. The optical unit 40 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 single-sealed halogen bulb. The reflecting mirror 42 is integrated with the light source 41. That is, the reflecting mirror 42 is formed by attaching a dichroic reflecting film that reflects visible light and transmits infrared light to a reflecting base surface having a rotating quadratic curved surface formed on the inner surface of the glass molding base 42a. The sealing portion of the halogen bulb is inserted into and fixed to the inside of the top cylindrical portion and integrated with the light source 41. The lamp socket 43 is connected to the power receiving terminal 50 and attached to the base portion of the light source 41 integrated with the reflecting mirror 42 to supply power to the light source 41. The position restricting frame 44 abuts on the periphery of the front surface of the reflecting mirror 42 and restricts the positions of the light source 41 and the reflecting mirror 42 with respect to the prism 33.
[0055]
  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.
[0056]
  Hereinafter, with reference to FIG. 3 and FIG. 4, other embodiments of the marker lamp mounting depth adjusting device of the present invention will be described. In each figure, the same parts as those in FIG. 1 and FIG.
[0057]
    FIG. 3 is a cross-sectional view showing a second embodiment of the marker lamp mounting depth adjusting device of the present invention. In the present embodiment, the upper surface of the second member 2 is formed flat, and a push screw hole 2d toward the screw portion 2a is formed.
[0058]
  Then, after adjusting the second member 2 to a required height with respect to the third member 3, a set screw (not shown) is screwed into the set screw hole 2d, and the tip of the set screw is screwed into the screw portion. The second and third members 2 and 3 are fixed by being press-fitted into 2a.
[0059]
    FIG. 4 is an exploded perspective view showing a third embodiment of the marker lamp mounting depth adjusting device of the present invention. In this embodiment, the marker lamp mounting depth adjusting device A includes a fixed member 41 and a movable member 42.
[0060]
  The fixing member 41 has a cylindrical shape, and has a thread groove or multi-step projection 41a on the inner peripheral surface and a base mounting seat 1a on the lower surface. The thread groove or the multistage protrusion 41a is formed by being divided in the circumferential direction. The base mounting seat 1a is attached to a base (not shown) by a conventional method.
[0061]
  The movable member 42 has a cylindrical shape and is inserted into the fixed member 41. The movable member 42 has a thread groove or a multistage protrusion 42a on the outer peripheral surface thereof and an adjustment ring mounting seat 2ab on the upper surface thereof. The thread grooves or the multistage protrusions 41a and 42a are related so as to be able to rotate while being engaged with each other.
[0062]
  Thus, in order to adjust the height of the marker lamp mounting depth adjusting device A, the screw groove or the multistage protrusion 42a of the movable member 42 is separated from the screw groove or the multistage protrusion 41a of the fixed member 41. In addition, the movable member 42 is inserted into the fixed member 41. When the desired height is reached, the movable member 42 is rotated to engage the screw groove or multi-step protrusion 41a with the screw groove or multi-step protrusion 42a, and then both are fixed by appropriate means.
[0063]
【The invention's effect】
  BookAccording to 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, and a ring-shaped second member having an adjustment ring mounting seat on the upper surface and a thread groove on the peripheral side surface; A cylindrical third screw thread having a first thread groove that engages with the thread groove of the first member on the lower peripheral surface and a second thread groove that engages with the thread groove of the second member on the upper peripheral surface. And equipped withIn addition, the first member and the second member have the same structure, and the first member and the second member include a projecting peripheral edge that fits to the inner peripheral surface of the opening end of the base and the adjustment ring.Therefore, it is possible to provide a marker lamp mounting depth adjusting device that achieves the following effects.
1. The thread groove of the first member and the third member 1 The second groove of the second member and the second screw groove of the third member are screwed together to provide a second means of height adjustment. It is possible to adapt to various embedding depths by providing a means and changing the third member to a different height. For this reason, the adjustable range of the embedding depth can be increased.
2. Since the third member is cylindrical, it can be formed using a general pipe material. For this reason, the marker lamp mounting depth adjusting device can be provided at low cost.
3. First 1 And the second member has the same structure with the front and back reversed, so the first member and the second part The material can be a common member. Therefore, the number of parts is reduced, manufacturing and inventory management is facilitated, and the cost is reduced.
4). Since the 1st member and the 2nd member are provided with the protrusion periphery fitted to the inner peripheral surface of the opening end of a base and an adjustment ring, when a vehicle passes on a marker lamp, it is horizontal. The load accompanying the generated large displacement can be applied by the marker lamp mounting depth adjusting device. For this reason, since the load which acts on the bolt for the fastening which fixes a marker lamp, an adjustment ring, the marker lamp attachment depth adjustment apparatus, and a base is reduced, the reliability of the marker lamp attachment can be improved. .
[0064]
  According to the present invention, the marker lamp embedding depth adjusting device of the present invention, a base embedded in a road surface having an open end to which the first member of the device is attached, and a second of the device By providing the adjustment ring attached to the member and the marker lamp attached to the adjustment ring, the marker lamp device having the effect of the marker lamp embedding depth adjusting device of the present invention can be provided.
[0065]
  Also,Screw pitch of the indicator lamp mounting depth adjustment deviceTheSet to 1.5 / 100 or less of the outer diameter of at least one of the base, adjustment ring, and indicator lampYouThus, it is possible to provide a marker lamp device that makes it easy to understand the height adjustment amount per one screw rotation and facilitates the work.
[Brief description of the drawings]
FIG. 1 is an exploded sectional view of an entire apparatus in a first embodiment of a marker lamp mounting depth adjusting apparatus and a marker lamp apparatus using the same according to the present invention.
FIG. 2 is an exploded cross-sectional view of a marker lamp mounting depth adjustment device.
FIG. 3 is a cross-sectional view showing a second embodiment of the marker lamp mounting depth adjusting device of the present invention.
FIG. 4 is an exploded perspective view showing a third embodiment of the marker lamp mounting depth adjusting device of the present invention.
FIG. 5 is a cross-sectional view showing a cross-sectional view of a main part of a conventional marker lamp mounting depth adjusting device.
[Explanation of symbols]
A: Marking lamp mounting depth adjusting device, B: Marking lamp device, C: Base, D: Adjusting ring, E: Adapter, F: Marking light, 1 ... First member, 1a: Base mounting seat, DESCRIPTION OF SYMBOLS 1b ... Screw groove, 2 ... 2nd member, 2a ... Adjustment ring mounting seat, 2b ... Screw groove, 3 ... 3rd member, 3a ... 1st screw groove, 3b ... 2nd screw groove

Claims (3)

Circular projection edge, stand groups formed around the Oite circular projection edges on the lower surface mounting seat and a ring shape having an outer peripheral screw groove formed on the side to be fitted to the inner peripheral surface of the base of the open end projecting downwardly A first member of;
Have the same structure obtained by inverting the front and back surfaces thereof first member, circular projection edges fitted to the inner circumference of the open end of the adjusting ring projecting upward adjustment ring formed around the Oite circular projection edges on the upper surface a second member ring-shaped having a mounting seat and the outer peripheral screw groove formed on the side surface;
First screw groove for thread groove screwed in the first member is formed on the lower inner peripheral surface, a second thread groove of the screw groove and the engagement of the second member is formed on the upper inner peripheral surface and A third cylindrical member having a thread-free portion formed on the inner peripheral surface of the intermediate portion ;
An installation depth adjusting device for a marker lamp, comprising: A marker lamp embedding depth adjusting device according to claim 1;
A base embedded in a road surface having an open end to which the first member of the marker lamp mounting depth adjusting device is mounted;
An adjustment ring attached to the second member of the indicator light attachment depth adjustment device;
A beacon lamp attached to the adjustment ring;
A marker lamp device comprising: 3. The marker lamp mounting depth adjusting device according to claim 2, wherein the screw pitch 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 lamp. The marker lamp apparatus as described.

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