KR100894338B1 - Connecting apparatus of street lamp prop having the prevention means of rotation - Google Patents

Abstract

A connecting apparatus of a street lamp pole having an anti-rotation unit is provided to lengthen service life of a product and prevent electrical accident due to water leakage by preventing water from being infiltrated in the connection part gap between a bottom pillar and a top pillar by using a sealing member. A connecting apparatus of a street lamp pole having an anti-rotation unit comprises a bottom pillar(50), a bottom pillar coupling flange, a top pillar coupling flange, and a coupling ring plate(20). The top pillar coupling flange comprises: an anti-rotation key(34) protruded at the constant height in a part of the upper side; and a flange seating terminal in which the external diameter of the top end portion is expanded. In the coupling ring plate, a key hole(23) in which the anti-rotation key is accepted is formed. The bottom pillar coupling flange comprises: a sealing member seating terminal in which a welding unit is formed in the top end portion of the outer surface and the top end portion of the inner surface at constant depth; and a sealing member settled in the sealing member seating terminal.

Description

CONNECTING APPARATUS OF STREET LAMP PROP HAVING THE PREVENTION MEANS OF ROTATION}

The present invention relates to a connection device for street lamps, and more particularly, to prevent the occurrence of a safety accident by preventing the rotation of the upper column is released even when the upper column is connected to the upper column and the lower column is loosened by external force In addition, the present invention relates to a street lamp caution connection device provided with a rotation preventing means that can effectively prevent the penetration of moisture through the coupling portion to extend the life of the product.

Conventional metal street lamps are difficult to transport and install due to the integral length of the metal, and the characteristics of the metal material are not enough to absorb shocks. Even if breakage occurred, there was a disadvantage that the whole must be replaced.

Recently, street lamps have been disclosed that can be easily adjusted and installed or changed at an appropriate angle according to the site to be installed, and the upper and lower supports can be easily and vertically combined to facilitate the installation work in a short time. .

On the other hand, the present applicant has proposed a patent No. 0611553 (name of the invention: the connection structure of street lamps). That is, as shown in Figures 6a and 6b, the lower support 50, the ring-shaped lower holding coupling flange 45 is formed in the ring-shaped lower holding coupling surface 47 is formed in which the inner diameter is extended from the lower end of the inner diameter toward the upper end ), An upper support 10 having an inclined surface formed with an inclined surface to correspond to a seating inclined surface 47 formed in the lower support coupling flange 45, and an upper support 10 coupled to a lower end thereof, and the upper support 10. A plurality of fastening bolts 21 for coupling the fastening ring plate 25 corresponding to the lower holding coupling flange 45 and the fastening ring plate 25 and the lower holding coupling flange 45 are inserted and flowed up and down. It is configured to include. In addition, the upper surface of the upper holding coupling flange 35, the adjustment mechanism insertion groove 31 is formed to easily adjust the installation angle of the upper holding (10).

Thus, the Y-shaped adjustment mechanism bent vertically bent is inserted into the adjustment mechanism insertion groove 31 so that the angle of the upper support 10 can be easily adjusted.

However, in the conventional connection device for street lamps as described above, the coupling ring plate 25 for pressing and coupling the lower holding coupling flange 45 and the upper holding coupling flange 35 is loosened by an external force due to an external strong wind or the like. In this case, there is a possibility that the coupling force is lowered and the upper column 10 is rotated. That is, there is a problem that an unexpected safety accident occurs as the upper circumference of the street lamp arm or the lamp is attached.

In addition, a gap is generated between the lower holding coupling flange 45 and the coupling ring plate 25 by the upper holding coupling flange 35, and rainwater is obtained at the formed intervals, causing a safety accident due to leakage. . In other words, there is a problem of reducing the life of the product by corroding the product due to the acquisition of moisture, causing a safety accident such as an electrical short or disconnection due to the moisture obtained into the street lamp.

The present invention is to solve the above problems, an object of the present invention is to prevent the occurrence of a safety accident by preventing the upper column is rotated more than a certain portion even if the coupling of the upper portion and the lower portion of the coupling is loosened due to the external force. It is to provide a streetlight caution connection device having a rotation prevention means that can be.

In addition, an object of the present invention is to provide a street lamp column connecting device having a rotation preventing means that can be effectively sealed to prevent moisture from penetrating the gap formed in the coupling portion of the upper column and the lower column.

The connecting device of the street lamp column provided with the anti-rotation means according to the present invention, the lower column is mounted to the base anchor bolt installed on the ground, the lower column coupling flange of the ring-shaped bonded to the upper end of the lower column, and the lower column A ring-shaped upper holding coupling flange attached to the lower outer circumferential surface of the upper circumference to be coupled to the coupling flange, a fastening ring plate inserted into the upper circumference and flowing up and down, and a plurality of fastening ring plates to the lower holding coupling flange. In the connecting device of the street lamp column fastening with a bolt, the upper holding coupling flange 30, the anti-rotation key 34 protruding to a certain height on a portion of the upper surface and the lower portion of the lower holding coupling flange 40. The flange seating end 32 is further formed so that the outer diameter of the upper end portion is extended so that the upper end portion is inserted and the upper end portion is extended. A key hole 23 is further formed so that a part of the side surface is cut to accommodate the anti-rotation key 34 formed in the upper holding coupling flange 30, and the lower holding coupling flange 40 is formed in the lower holding. The welding part 42 for welding and welding 50 is formed at a predetermined depth at the upper end of the outer side, and a sealing member seating end 43 is further formed at a predetermined depth at the upper end of the inner side, and the sealing member seating end ( 43) it is characterized in that it further comprises a sealing member for blocking the inflow of moisture from the outside.

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As described above, according to the present invention, in the street lamps connected to the upper and lower supports, even when the upper supports are loosened by external force, the released upper supports are prevented from being rotated by a certain angle, thereby causing safety accidents due to the rotation of the upper supports. It is possible to effectively prevent the occurrence of.

In addition, it prevents moisture from penetrating into the gap formed in the connection between the upper column and the lower column, thereby improving the life of the product, effectively preventing the occurrence of electrical safety accidents due to leakage, and extending the life of the product. The reliability can be greatly improved.

Hereinafter, with reference to the accompanying drawings will be described in detail the connection device of the street lamp is equipped with a rotation preventing means according to the present invention.

1 is a state diagram used in the connection device of the street lamp attention provided with a rotation preventing means according to an embodiment of the present invention, Figure 2a is a cross-sectional view of the coupling device of the street lamp attention provided with a rotation preventing means according to an embodiment of the present invention 2B is an exploded cross-sectional view of a connection device for a street lamp caution equipped with a rotation preventing means according to an embodiment of the present invention, and FIGS. 3A and 3B are street lamp cautions provided with a rotation preventing means according to an embodiment of the present invention. 4A and 4B are a plan view and a front view of the upper holding coupling flange in the connecting device of the street lamp stock equipped with a rotation preventing means according to an embodiment of the present invention, Figure 5a And FIG. 5B is a plan view and a front view of a fastening ring plate in the connection apparatus of a street lamp caution provided with an anti-rotation means according to an embodiment of the present invention, and FIG. 5C is an embodiment of the present invention. In the connecting device of the garodeungju rotation preventing means it is provided by a top plan view of the upper holding plate coupling flange and locking ring combination.

In adding the reference numerals to the components of the drawings, the same components are to have the same reference numerals as possible even if displayed on different drawings, and known functions that are determined to unnecessarily obscure the subject matter of the present invention Detailed description of the configuration will be omitted.

Connection device for a street lamp with a rotation preventing means according to a preferred embodiment of the present invention, as shown in Figure 1 to 5c, the lower column 50 is mounted to the foundation anchor bolt is embedded in the ground and installed, It is a connecting device for connecting the upper column 10 to the upper end of the lower column 50.

The configuration for connecting the upper support 10 and the lower support 50, the lower support coupling flange 40 of the ring-shaped welded to the upper end of the lower support 50, and the upper support 10 It consists of an upper holding coupling flange 30 bonded to the lower end, and a ring ring plate 20 for fastening the lower holding coupling flange 40 and the upper holding coupling flange 30.

The lower support coupling flange 40, as shown in Figure 3a and 3b, is welded with the lower support 50 in the upper portion of the outer surface in a ring shape that is inserted into the upper end of the lower support 50. The welding part 42 for joining is formed in the stage, and the sealing member seating end 43 is formed in the stage so that the sealing member mentioned later may be mounted in the upper part of the inner side surface. In addition, a plurality of nut holes 41 are formed on an upper surface of the fastening ring plate 20 and the fastening bolt 21 to be screwed together. 3B is a cross-sectional view taken along the line A-A of FIG. 3A.

Accordingly, the lower holding coupling flange 40 is inserted into the upper inside of the lower holding 50 as shown in FIGS. 2A and 2B, and the welding portion 42 is welded to the lower holding 50. At this time, the weld 42 is filled with a weld metal 46 and joined.

The sealing member seated on the sealing member seating end 43 is composed of a rubber ring 60 having an elastic force to ensure the sealing of the lower holding coupling flange 40 and the upper holding coupling flange 30. desirable. However, the sealing member of the present invention is not limited to the rubber ring 60, and ensures the sealing of the lower holding coupling flange 40 and the upper holding coupling flange 30 and the synthetic resin material having corrosion resistance not easily corroded or If it is a sealing member such as a fabric material it will be possible to use.

The upper holding coupling flange 30, as shown in Figures 4a and 4b, is a ring shape is inserted and joined to the lower end of the upper holding 10, the upper side of the outer surface is the sealing member seating end 43 ) Has an outer diameter that can be seated on the upper end of the lower holding coupling flange 40, the lower portion of the outer surface is formed stepped to have an outer diameter that can be inserted into the lower holding coupling flange (40). In addition, a rotation preventing key 34 protruding to a predetermined height is formed at an upper end of the upper holding coupling flange 30. 4B is a cross-sectional view taken along the line B-B in FIG. 4A.

The fastening ring plate 20, as shown in Figures 5a and 5b, is inserted into the upper support 10 in a ring shape that can be easily moved up and down, so that the fastening bolt 21 can be inserted. A plurality of fastening holes 22 are formed, and a part of the inner side is cut to form a key hole 23 to accommodate the anti-rotation key 34 formed on the upper holding coupling flange 30.

Accordingly, the upper holding coupling flange 30 and the fastening ring plate 20 are closely coupled only when the anti-rotation key 34 is inserted into the key hole 23 as shown in FIG. 5C, Also, the flow between each other is limited to the inside of the key hole 23. That is, even when the fastening bolt 21 is released, the rotation of the upper column 10 is limited to prevent the occurrence of a safety accident. 5B is a cross-sectional view taken along the line C-C of FIG. 5A, and FIG. 5C is a plan view in which the upper holding coupling flange 30 and the coupling ring plate 20 are coupled.

Looking at the installation and effect of the present invention configured as described above, first to produce the lower column 50, the upper column 10, the street lamp arm, the luminaire as in the prior art. At this time, the street lamp arm and the upper column 10 can be manufactured separately and combined, but in the present invention, it is preferable to manufacture them integrally. That is, since the installation direction of the street light arm and the anti-rotation key 34 are formed at a fixed angle (90 degrees or 180 degrees), the installation angle can be easily adjusted, and the street light arm and the upper support 10 It eliminates the need for conventional arm connectors and connecting pipes, which are generally inserted and connected components to adjust the engagement angle, thereby reducing the number of components.

In addition, the lower support 50 is bonded to the lower support coupling flange 40 by welding. And, the weld metal 46 formed in the welded portion 42 is processed so as not to protrude on the upper surface, the fastening ring plate 20 is fitted to the upper column 10 and the upper portion at the lower end of the upper column 10 The strut coupling flange 30 is joined by a method such as welding.

Thereafter, the lower column 50 is mounted on the ground, and the rubber ring 60 is seated on the sealing member seating end 43 formed on the lower column coupling flange 40. Then, the upper support 10 into which the coupling ring plate 20 is inserted is seated on the lower support coupling flange 40. At this time, the upper holding coupling flange 30 bonded to the upper holding 10 is seated to be inserted into the lower holding coupling flange 40, in particular, as shown in Figure 2a, the upper holding coupling flange 30 is the lower holding The upper end portion is inserted into the coupling flange 40 so that the upper end spans the lower holding coupling flange 40 so as to completely separate the rubber ring 60 seated on the sealing member seating end 43 formed on the lower holding coupling flange 40. Compression while blocking. Thus, the gap between the lower holding coupling flange 40 and the upper holding coupling flange 30 is completely blocked to completely block the inflow of water into the lower holding 50.

On the other hand, the fastening ring plate 20 is seated on the upper portion of the upper holding coupling flange 30 and fastened to the fastening bolt 21, wherein the rotation preventing key 34 formed on the upper holding coupling flange 30 is It is coupled to be inserted into the key hole 23 formed in the fastening ring plate 20.

Then, the fastening ring plate 20 is fastened to be firmly coupled to the lower holding coupling flange 40 by using the fastening bolt 21. Therefore, the upper holding 10 is connected to the lower holding 50 while firmly fixing the upper holding coupling flange 30 positioned between the fastening ring plate 20 and the lower holding coupling flange 40. In addition, the rubber ring 60 seated on the sealing member seating end 43 formed on the lower holding coupling flange 40 is compressed by the upper holding coupling flange 30 to effectively block the inflow of moisture from the outside. .

The embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art can change and change the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention, as will be apparent to those skilled in the art.

1 is a state of use of the connection device for the street lamp with a rotation preventing means according to an embodiment of the present invention,

Figure 2a is a cross-sectional view of the coupling device of the street lamp is equipped with a rotation preventing means according to an embodiment of the present invention,

Figure 2b is an exploded cross-sectional view of the connection device for the street lamp is equipped with a rotation preventing means according to an embodiment of the present invention,

3A and 3B are a plan view and a front view of a lower holding coupling flange in a connecting device of a street lamp with a rotation preventing means according to an embodiment of the present invention;

4A and 4B are a plan view and a front view of the upper holding coupling flange in the connecting device of the street lamps with anti-rotation means according to an embodiment of the present invention,

5A and 5B are a plan view and a front view of a fastening ring plate in a connection device of a street lamp with a rotation preventing means according to an embodiment of the present invention;

5c is a plan view of the upper holding coupling flange and the coupling ring plate in the connection device of the street lamps with anti-rotation means according to an embodiment of the present invention,

6a and 6b is a connection device of a conventional street lamp.

<Description of Symbols for Main Parts of Drawings>

10: upper column 20, 25: fastening ring plate

21: Tightening bolt 22: Tightening hole

23: key hole 30, 35: upper holding coupling flange

31: Adjustment mechanism insertion groove 32: Flange seating end

34: Anti-rotation key 40, 45: Lower holding coupling flange

41: nut hole 42: weld

43: seating end of the sealing member 46: weld metal

47: Sloped slope 50: Lower support

60: rubber ring

Claims (3)

delete delete A lower column mounted to the base anchor bolt installed on the ground, a ring-shaped lower column coupling flange joined to the upper end of the lower column, and a ring-shaped attached to the lower outer surface of the upper column to be coupled to the lower column coupling flange. In the upper holding coupling flange, the fastening ring plate which is inserted into the upper support and flows up and down, and the connecting device of the street lamps for fastening the fastening ring plate with the lower holding coupling flange with a plurality of fastening bolts, The upper holding coupling flange 30 has an anti-rotation key 34 protruding to a certain height on a portion of the upper surface, and the outer diameter of the upper portion is extended so that the lower portion is inserted into the lower holding coupling flange 40 and the upper end is extended. Flange seating end 32 is further formed so that, The fastening ring plate 20 is a key hole 23 is further formed so that a portion of the inner surface is cut to accommodate the anti-rotation key 34 formed in the upper holding coupling flange 30, The lower holding coupling flange 40 has a welded portion 42 formed at a predetermined depth at an upper end of the outer side to weld-bond the lower support 50, and a sealing member seating end 43 having a predetermined depth at an upper end of the inner side. ) Are formed, Mounted on the sealing member seating end 43 is connected to the street lamp caution provided with a rotation preventing means, characterized in that it further comprises a sealing member for blocking the inflow of moisture from the outside.

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