KR100994448B1 - Adjuster of illumination angle for street lamp - Google Patents

Abstract

PURPOSE: An adjuster of illumination angle for a street lamp is provided to prevent the abrasion of a gear corresponding to the operation of the worm gear by forming the worm gear and the driven gear with a resistant material. CONSTITUTION: A first mounting unit is formed at the end of a road unit(100). An illumination module of a street light is mounted in the first mounting unit. A second mounting unit(200) is formed at the end of a link unit. A street pole and a horizontal arm are mounted in a second mounting unit. An angle control unit(300) is adjusted between the link unit and a rod unit. The angle control unit includes the worm gear(130) and the driven gear(320). The worm gear is arranged in a rod receiving part. The driven gear is engaged with the worm gear.

Description

Lighting angle adjusting device for street light {Adjuster of Illumination Angle for Street Lamp}

The present invention relates to a lighting angle adjusting device for a street lamp, and more particularly, to adjust the lighting angle using a worm gear, to adjust the lighting angle for the street lamp to prevent the wear of the gear teeth (gear tooth) interlocked. Relates to a device.

In the technology about the lighting angle adjustment device for street lamps,

Republic of Korea Utility Model No. 20-0447348 (Registered Jan. 11, 2010, hereinafter referred to as 'advanced technology') devised by the present applicant `` Lighting angle control device for street lamps '' is presented,

The prior art,

An arm coupling portion having a pipe shape corresponding to the tip portion to be fixedly coupled to the tip portion of the street light arm;

A semicircular coupling protrusion protruding on both sides of the front portion, a curved surface formed on an inner surface between the two coupling protrusions, a seating groove formed on the curved surface, and a tool insertion hole, and coupled to or integrally with the tip of the female coupling portion. Boss coupling portion formed;

A flat cross section is a 'c' shape and includes a rear surface seated on the curved surface of the boss coupling portion, and a gear formed on the rear surface, the rear surface is coupled between both coupling protrusions of the boss coupling portion by fixing bolts and nuts. boss;

A luminaire coupling portion coupled to or integrally formed on the front surface of the boss and having the same shape as that of the front end of the street lamp arm so that the luminaire of the street lamp can be fitted therein; And

A worm gear including a hexagonal groove into which a tool entering the insertion hole of the boss coupling portion is inserted, and mounted to a seating groove of the boss coupling portion and engaged with a gear of the boss to transmit rotational force to the boss;

Consisting of,

By releasing the mutual tightening force of the fixing bolt and the nut to rotate the worm gear using a tool in the state of releasing the pressure of the coupling protrusion against the rear of the boss, so that the vertical angle adjustment to the luminaire coupling portion can be made Technology.

The prior art is to turn the boss and the luminaire coupling portion by the rotation of the worm gear, and thereby to adjust the lighting angle of the luminaire by turning the luminaire of the street lamp fitted to the luminaire coupling portion,

Due to the rotation of the worm gear, the gear teeth of the boss engaged with the wearer are worn, and thus there is a problem that the vertical angle adjustment for the luminaire coupling part is not smoothly performed.

In other words, in the prior art, the female coupling portion, boss coupling portion, boss and luminaire coupling portion are mainly manufactured by aluminum casting. There is a problem that is promoted.

In order to solve the above problems, the lighting angle adjusting device for a street lamp according to the present invention,

A rod unit having one end of the lighting module having a first mounting part, opposite coupling parts facing the other end, and a receiving part arranged between the coupling parts;

A link unit including a hub that is pivotally coupled to one end of the rod unit and a horizontal arm second mounting unit of the street lamp post on the other end thereof; And

A declination unit including a worm gear body rotatably supported on both side engaging protrusions of the rod unit and arranged in the receiving unit, and a corresponding gear body arranged in the hub of the link unit and engaged with the worm gear body;

Including but not limited to,

The rod unit and the link unit is made of a lightweight material,

The worm gear body and the corresponding gear body of the variable unit are made of a wear-resistant material,

The hub is provided with a mounting space for the corresponding gear body,

The corresponding gear body is mounted to the mounting space by a fixing means.

Here, the fixing means is characterized in that the insert casting molding for the integral of the mounting space and the corresponding gear body.

In addition, the light weight material is aluminum or an alloy including the same,

The wear-resistant material is characterized in that the one selected from stainless steel, carbon steel, alloy steel.

In addition, fitting holes are formed in both coupling protrusions of the rod unit,

A screw hole corresponding to the fitting hole is formed at both ends of the hub of the link unit or at the other end of the hub and the corresponding gear body.

The rod unit and the link unit are coupled to each other by a hinge bolt fastened to the screw hole through the fitting hole,

The screw hole formed in the hub is formed by a nut integrally coupled to the link unit by insert casting molding.

In addition, the link unit coupled to the horizontal arm of the street lamp post is arranged in a structure such that the rod unit can be turned left and right,

The first mounting portion and the engaging protrusion of the rod unit is characterized in that the arrangement is arranged to cross each other when viewed in a plane.

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Lighting angle adjusting device for a street lamp according to the present invention,

The worm gear body and the corresponding gear body constituting the deflection unit are made of a wear-resistant material, thereby preventing the wear of the corresponding gear body due to the turning operation of the worm gear body.

In addition, since the corresponding gear body is integrated with the hub by insert casting molding, there is an effect that the mounting thereof is easier and more robust.

In addition, the rod unit has a structure in which the left and right pivots, the first mounting portion and the engaging protrusion is arranged to cross each other, it is possible to adjust the angle between the road and the lighting module according to the curved degree of the road curve.

1 is a side configuration diagram showing a state of use of the lighting angle control device for streetlight according to the present invention.
Figure 2 is a perspective view of a lighting angle control device for a street lamp according to the present invention.
3 is an exploded perspective view of FIG. 2;
4 is a cross-sectional view of FIG.
5 is a front view of a corresponding gear body according to another embodiment of the present invention.
Figure 6 is a plan view showing a state of use of the lighting angle control device for a street lamp according to another embodiment of the present invention.
Figure 7 is a perspective view of a lighting angle control device for a street lamp according to another embodiment of the present invention.
8 is a process flowchart of the link unit manufacturing method of the lighting angle control apparatus for streetlights according to the present invention.
Figure 9 is a flow chart of the link unit manufacturing method of the lighting angle control device for a street lamp according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figures 1 to 5, the lighting angle control device for street light according to the present invention (hereinafter referred to as "illumination angle control device") is largely the load unit 100, the link unit 200 and the angle unit 300 Is done.

Looking at each configuration,

The load unit 100 is

As for mounting the lighting module 13 of the street light 10,

It is manufactured by casting molding using a lightweight material such as aluminum or an alloy containing the same,

A first mounting part 110 into which the lighting module 13 is fitted at one end;

Both side coupling protrusions 120 facing the other end, and

Receiving portion 130 is arranged between the two coupling protrusions 120

It is made, including.

Here, the first mounting portion 110 is preferably manufactured in the same shape as the end shape of the horizontal arm 12 of the street lamp 10, the support 11,

According to this, when the illumination angle adjusting device of the present invention is installed on the street lamp 10 installed, the lighting module 13 separated from the horizontal arm 12 can be immediately mounted to the first mounting unit 110.

The two coupling protrusions 120 each have a semicircular shape and are protruded from both ends of the receiving body 140 formed at the front end of the first mounting part 110.

In addition, a hinge bolt 400 fitting hole 121 for fixing the hub 210 to be described later is formed at each center of the two coupling protrusions 120, one side or both coupling protrusions 120 in the angle adjustment scale ( 142 is formed.

The receiving portion 130 is formed therein by the receiving body 140.

In addition, the receiving portion 130 is formed with a seating groove 131 for the worm gear body 310 to be described later, the receiving body 140 is pivoting of the worm gear body 310 arranged in the seating groove 131. Tool T for insertion hole 141 is formed.

The link unit 200 is

As fixed to the horizontal arm 12 of the street lamp (10) pillar (11),

Like the rod unit 100 is produced by casting molding using a lightweight material such as aluminum or an alloy containing the same,

Hubs (hub, 210) that is rotatably coupled to the receiving portion 130 of the rod unit 100 at one end, and

Second mounting portion 220 that is fitted to the horizontal arm 12 at the other end

It is made, including.

Here, the hub 210 is formed in a cylindrical shape and is interposed on both side coupling protrusions 120 of the rod unit 100.

In addition, the hub 210 has a mounting space portion 211 for the corresponding gear body 320 to be described later in one end, the other end in a position corresponding to the fitting hole 121 of the coupling protrusion 120 It has a screw hole 212.

As a result, the link unit 200 pivotally couples the rod unit 100 by a hinge bolt 400 fastened to the screw hole 212 through the fitting hole 121 of the coupling protrusion 120. Will be done.

The second mounting portion 220 is formed in a pipe shape and is fitted to the outer circumferential surface of the horizontal arm 12, the outer surface of the plurality of bolt fastening portions 221 along the longitudinal direction for coupling with the horizontal arm 12. Is formed.

As a result, the illumination angle control device of the present invention after separating the illumination module 13 from the horizontal arm 12 of the street lamp 10 is already installed by the first and second mounting portions (110, 220) It can be mounted between the 12 and the lighting module 13 is to be easily applied to the conventional street light 10 can be used.

On the other hand, the rod unit 100 and the link unit 200 is penetrated in the longitudinal direction thereof for the wiring (配線) for the lighting module (13).

The variable unit 300 is

As to adjust the angle formed by the rod unit 100 and the link unit 200 coupled to each other,

Worm gear body 310 that is rotatably supported by both coupling protrusions 120 of the rod unit 100 and arranged in the receiving portion 130, And

Corresponding gear body 320 that is arranged on the hub 210 of the link unit 200 and meshes with the worm gear body 310

It is made, including.

Here, the worm gear body 310 and the corresponding gear body 320 are wear-resistant materials such as stainless steel, carbon steel, alloy steel, etc. to prevent the gear teeth of the two gear bodies 310 and 320 meshed with each other to be worn by the turning operation. It is preferable to produce using.

The worm gear body 310 has a hexagonal groove 311 at one end thereof and is arranged in the seating groove 131 of the accommodating part 130 to enter the insertion hole 141 of the accommodating body 140. The rotation force is transmitted to the corresponding gear body 320 by the (T).

Finally, by turning the worm gear body 310 using a tool (T), such as a wrench, as shown in Figure 4 (b) to adjust the angle between the rod unit 100 and the link unit 200. It will be possible.

When the angle adjustment is completed, the rod unit (2) by tightening the hinge bolt 400 fastened to the screw hole 212 of the hub 210 and the screw hole 321 of the corresponding gear body 320 to be described later. 100 and the link unit 200 can be firmly fixed to each other.

The corresponding gear body 320 is mounted to the mounting space 211 of the hub 210 by fixing means.

Preferably, the fixing means is insert casting molding. That is, the corresponding gear body 320 is integrally formed with the hub 210 by inserting the corresponding gear body 320 during casting molding for manufacturing the link unit 200. According to this, the mounting of the corresponding gear body 320 to the hub 210 becomes easier and more robust.

On the other hand, the fixing means may be bolted and welded. That is, the fixing means is capable of various modifications and changes by those skilled in the art.

As shown in FIG. 3, the corresponding gear body 320 has a fan shape, and a screw hole 321 for fastening the hinge bolt 400 is formed at a central portion thereof.

As a result, the threaded hole 321 of the corresponding gear body 320 is rotatably coupled to the rod unit 100 and the link unit 200 like the threaded hole 212 of the hub 210. .

On the other hand, the screw hole 212 of the hub 210 is preferably formed by a nut (N) integrally mounted to the hub 210 by insert casting molding. This is to reinforce the wear resistance of the screw hole 212 of the hub 210, and the corresponding gear body 320 and the nut (N) may be inserted together when casting for the production of the link unit 200. will be.

Meanwhile, as shown in FIG. 5, when the corresponding gear body 320 does not include the screw hole 321, the nut N may be mounted at both ends of the hub 210.

Hereinafter, an illumination angle adjusting device according to another embodiment of the present invention will be described with reference to FIGS. 6 and 7.

According to another embodiment of the present invention, the link unit 200 coupled to the horizontal arm 12 of the lamppost 10 is arranged in a structure in which the rod unit 100 can be turned left and right,

The first mounting portion 110 and the coupling protrusion 120 of the rod unit 100 are arranged to cross each other when viewed from a plane.

6 and 7, the rod unit 100 has an elbow type structure in which the first mounting portion 110 is bent at a right angle.

As a result, the lighting modules 13 mounted on the first mounting unit 110 are arranged side by side with respect to the traveling direction of the road to more effectively illuminate the road, and also turn left and right of the rod unit 100. Due to the structure, the angle between the road and the lighting module 13 can be adjusted according to the degree of curvature of the road curve.

As a result, the lighting angle control device according to another embodiment of the present invention has a structure in which the rod unit 100 is rotated left and right, the first mounting portion 110 and the engaging protrusion 120 is arranged so as to cross each other, Even if it is installed on a curved road, it is possible to effectively illuminate the road by adjusting the left and right angles of the lighting module 13.

Hereinafter, a link unit manufacturing method (hereinafter, referred to as a 'link unit manufacturing method') of a lighting angle adjusting device for a street lamp according to the present invention will be described with reference to FIGS. 8 and 9.

As shown in Figure 8 and 9, the link unit manufacturing method according to the present invention is largely the lower mold preparation step (S10), the upper mold preparation step (S20), the molding and core arrangement step (S30), molten metal injection and cooling step ( S40) and the stripping step (S50).

Looking at each step,

The lower mold preparation step (S10) is

A step of preparing a lower mold 500 in which the first casting space 510 and the corresponding gear body 320 having an outer circumferential gear are disposed in the first casting space 510.

The corresponding gear body 320 is placed on the seating protrusion 511 formed on the bottom of the first casting space 510, and thus the first casting space 510 is formed in the link unit 200 to be manufactured. The corresponding gear body 320 has a shape corresponding to a half portion where the corresponding gear body 320 is located.

The upper mold preparation step (S20) is

A step of preparing an upper mold 600 having a second casting space 610.

Naturally, the second casting space part 610 may have a shape corresponding to the other half of the link gear 200 to be manufactured in which the corresponding gear body 320 is located.

The compounding and core arrangement step (S30) is

The core 700 in the cavity C is formed while making the first and second casting spaces 510 and 610 form a cavity C by bringing the lower and upper molds 500 and 600 into contact with each other. ) Step.

On the other hand, here, the step (S31) for arranging the nut (N) in the second casting space portion 610 may be further included.

In the nut arrangement step (S31), the screw hole 212 (see FIG. 3) of the nut N is blocked, and then the nut N is placed on the core 700 so that the nut N is formed in the second casting space part 610. ).

The molten metal injection and cooling step (S40)

Injecting the molten metal (M) into the cavity (C) and then cooling it.

The stripping step (S50) is

After the lower and upper molds 500 and 600 are separated from each other, the completed casting is removed from the cavity C and the core 700.

As a result, the manufacturing of the link unit 200 is completed, and a plating step may be further performed as necessary.

The link unit 200 manufactured by the above method is integrated with the corresponding gear body 320, so that the mounting of the corresponding gear body 320 becomes easier and more robust.

In the above description of the present invention with reference to the accompanying drawings, a description has been made mainly on the "illumination angle control device for street lights" having a specific shape and structure, the present invention can be variously modified and changed by those skilled in the art, such variations and modifications Should be construed as falling within the protection scope of the present invention.

10; Street lamp
11; Landlord 12; Horizontal arm 13; Lighting module
100; Load unit
110; First mounting part
120; Engaging protrusion 121; Fitting ball
130; Receptacle 131; Home
140; Receiving body 141; Insertion hole 142; Graduation
200; Link unit
210; Herb
211; Mounting space 212; Screwman
220; 2nd mounting part
221; Bolt connection
300; Inclined unit
310; Worm gear body 311; Hexagon groove
320; Matching gear body 321; Screwman
400; Hinge Bolt
500; Bottom mold
510; First casting space part 511; Seating process
600; Upper mold
610; Second casting space
700; core
C; Cavity
M; Molten metal
N; nut
T; tool

Claims (10)

An accommodation part arranged between the first mounting portion 110 of the lighting module 13 at one end, the two coupling protrusions 120 facing the other end, and the both coupling protrusions 120. A load unit 100 comprising a 130;
A link unit including a hub 210 rotatably coupled to the accommodation unit 130 of the rod unit 100 at one end thereof, and a horizontal arm 12 and a second mounting unit 220 of the street lamp post at the other end thereof ( 200); And
The worm gear body 310 is pivotally supported by both coupling protrusions 120 of the rod unit 100 and is arranged in the receiving part 130, and is arranged in the hub 210 of the link unit 200. A declination unit 300 including a corresponding gear body 320 engaged with the worm gear body 310;
Including,
The rod unit 100 and the link unit 200 is made of a lightweight material,
The worm gear body 310 and the corresponding gear body 320 of the variable unit 300 is made of a wear-resistant material,
The hub 210 has a mounting space 211 for the corresponding gear body 320 is formed,
The corresponding gear body 320 is a lighting angle control device for a street lamp, characterized in that mounted to the mounting space portion 211 by a fixing means.
The method of claim 1,
The worm gear body 310 is formed with a hexagonal groove 311 at one end,
The rod unit 100 is a lighting angle control device for a street lamp, characterized in that the tool insertion hole 141 for turning the worm gear body 310 arranged in the receiving portion 130 thereof is formed.
The method according to claim 1 or 2,
The first mounting portion 110 of the rod unit 100 has the same shape as the end of the horizontal arm 12 so that the illumination module 13 separated from the horizontal arm 12 of the support can be mounted Lighting angle control device for street lights.
delete The method of claim 1,
The fixing means is a lighting angle control device for a street lamp, characterized in that the insert molding for the mutual integration of the mounting space portion 211 and the corresponding gear body 320.
The method according to claim 1 or 5,
The lightweight material is aluminum or an alloy including the same,
The wear-resistant material is a lighting angle control device for a street lamp, characterized in that one selected from stainless steel, carbon steel, alloy steel.
The method according to claim 1 or 5,
Fitting holes 121 are formed at both coupling protrusions 120 of the rod unit 100,
A screw hole corresponding to the fitting hole 121 is formed at both ends of the hub 210 of the link unit 200 or the other end of the hub 210 and the corresponding gear body 320. (212, 321) are formed,
The rod unit 100 and the link unit 200 are coupled to each other by a hinge bolt 400 which is fastened to the screw holes 212 and 321 through the fitting hole 121,
Screw hole 212 formed in the hub 210 is an illumination angle control device for a street lamp, characterized in that formed by a nut (N) integrally coupled to the link unit 200 by insert molding.
The method according to claim 1 or 5,
The link unit 200 coupled to the horizontal arm 12 of the street lamp post is arranged in a structure such that the rod unit 100 can be turned left and right,
The first mounting portion 110 and the coupling protrusion 120 of the rod unit 100 is a lighting angle control device for a street lamp, characterized in that arranged to cross each other when viewed in a plane. delete delete

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