Feeding pole

Abstract

To provide a power supply pole in which a pole part is easily installed in a predetermined attitude.SOLUTION: The pole section (4) includes a lower pole member (9) configured such that a power supply line (5) to be connected to the pole receptacle (2) can be wired therein and erected on an installation surface in a state of being embedded in a support (6) on the installation surface side, and an upper pole member (10) connected to an upper portion of the lower pole member (9).SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a power supply pole that includes a pole portion having an outlet mounting portion to which a pole outlet can be attached, and the pole portion is configured so that a power line connected to the pole outlet can be wired inside. [Background technology]

[0002] Patent document 1 shows a power supply pole that has a pole section (main body 1) with an outlet mounting section to which a pole outlet can be attached, and the pole section is configured so that a power line connected to the pole outlet can be wired inside. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-205235 Summary of the Invention [Problem to be solved by the invention]

[0004] Such a power supply pole is erected in a predetermined position, such as a vertical position, on the ground by, for example, burying the lower part of the pole in a supporting concrete part (an example of a support body) constructed in a hole dug in the ground (an example of an installation surface) (in other words, by covering the lower part of the pole with the supporting concrete part). However, because the pole is long and has a high center of gravity, it is prone to tilting from its intended position when placing the pole in the hole and pouring concrete, or while waiting for the concrete to harden, making it difficult to install the pole in the intended position.

[0005] In view of this situation, a main object of the present invention is to provide a power supply pole that allows the pole portion to be easily installed in a predetermined position. [Means for solving the problem]

[0006] A first characteristic configuration of the present invention is a pole portion having an outlet mounting portion to which a pole outlet can be mounted, The pole portion is a power supply pole configured to allow a power line connected to the pole outlet to be wired therein, The pole portion comprises a lower pole member that is erected on the installation surface while being embedded in a support body on the installation surface side, and an upper pole member that is connected to the upper part of the lower pole member.

[0007] According to this configuration, for example, when the pole section is erected on the installation surface by burying the lower part of the pole section in a support such as supporting concrete constructed in a hole dug in the installation surface such as the ground, the lower part of the lower pole member is first buried in the support on the installation surface side to erect it on the installation surface, and then the upper pole member is connected to the part of the lower pole member that is located above the installation surface, so that the entire pole section can be erected on the installation surface. In this way, the lower pole member separated from the upper pole member can be embedded in the support body on the installation surface side, so compared to when the entire pole section is embedded in the support body on the installation surface side, the center of gravity is lower when embedded in a support body such as a supporting concrete section, making it less likely to tilt, and making it easier to install the pole section in a specified posture.

[0008] A second characteristic feature of the present invention is that the upper pole member is made of a material different from that of the lower pole member.

[0009] According to this configuration, for example, the upper pole member, which is required to be easy to process because it has an outlet mounting portion and which is required to look good because it is exposed on the installation surface, is made of a non-ferrous metal such as an aluminum alloy, which is relatively expensive but is easy to process and looks good, and the lower pole member, which is not required to be easy to process or look good, is made of a ferrous metal such as steel, which is relatively inexpensive, so that the pole member equipped with the outlet mounting portion can be made to look good while keeping manufacturing costs down.

[0010] A third characteristic feature of the present invention is that the lower pole member has a cross section formed in a U-shape at least in a predetermined range from the lower end toward the upper side.

[0011] According to this configuration, one surface of the lower pole member is open within a predetermined range from the lower end, and by using this surface as an insertion opening for passing the power supply line, an insertion opening that is wide in the direction of the surface width can be obtained, and the power supply line will not get caught on the lower edge of the insertion opening, making it easier to lead the power supply line into the lower pole member. Also, by configuring the lower pole member to be connectable to the upper pole member while rotating about the vertical axis relative to the upper pole member, the position of the insertion opening can be changed in the circumferential direction, which also makes it easier to lead the power supply line into the lower pole member.

[0012] A fourth characteristic feature of the present invention is that the lower pole member has a through hole penetrating from the inside to the outside in a region of the surface forming the U-shaped cross section that is embedded in the support body.

[0013] With this configuration, the power line can be led into the lower pole part through the through-holes on the other faces in addition to the open face formed by the U-shape of the lower pole part. Also, when the lower pole part is embedded in a support such as a supporting concrete part, the through-hole can function as a retaining mechanism by locating and hooking a component of the support in the through-hole.

[0014] A fifth characteristic configuration of the present invention is that the upper pole member is configured in a cylindrical shape that can be connected to the lower pole member in a state where an upper portion of the lower pole member is inserted from below, The upper pole member is connected to the lower pole member so that the lower end of the upper pole member is located near the installation surface when the lower pole member is erected on the installation surface.

[0015] According to this configuration, since the lower end of the upper pole member is located near the installation surface, the portion of the lower pole member located above the installation surface can be covered and concealed by the upper pole member, while the boundary between the upper and lower pole members becomes difficult to see, thereby giving the pole member a simple, clean and attractive appearance. [Brief explanation of the drawings]

[0016] [Figure 1] A front view showing a state in which the power supply pole is erected on the support body. [Figure 2] FIG. 10 is a perspective view showing a state in which the power supply pole is erected on the support body. [Figure 3] FIG. 10 is a perspective view showing the upper pole member of the power supply pole; [Figure 4] FIG. 10 is a perspective view showing a lower pole member of the power supply pole; [Figure 5] Overall perspective view of the power supply pole [Figure 6] Cross section of the power supply pole DETAILED DESCRIPTION OF THE INVENTION

[0017] An embodiment of a power supply pole according to the present invention will be described with reference to the drawings. As shown in Figures 1 and 2, the power supply pole 1 has a pole portion 4 having an outlet mounting portion 3 to which a pole outlet 2 can be mounted, and the pole portion 4 is configured so that a power line 5 (see Figure 2) connected to the pole outlet 2 can be wired inside.

[0018] The pole portion 4 is erected with its lower end buried in a support 6 and is configured as a rectangular tube so that a power line 5 can be routed inside. In this embodiment, the support 6 is a supporting concrete portion constructed by pouring concrete into a hole dug in the ground. The pole outlet 2 is an outlet to which a plug of a charging cable (not shown) for an electric vehicle can be connected. In addition to the pole outlet 2, the pole portion 4 is also equipped with a connector holder 7 that can hold the charging connector of the charging cable for an electric vehicle and a box holder 8 that can support the control box of the charging cable. In this way, the power supply pole 1 is configured to be able to support a charging cable connected to an electric vehicle.

[0019] The power supply pole 1 will now be described in more detail. When the pole outlet 2 is attached to the pole section 4 that is erected in a predetermined position along the vertical direction Z on the installation surface G, the direction in which the pole section 4 and the pole outlet 2 are aligned when viewed in the vertical direction is defined as the front-to-back direction X, and the side of the pole section 4 in the front-to-back direction X where the pole outlet 2 is located is defined as the front side X1, and the opposite side is defined as the rear side X2. The direction perpendicular to the front-to-back direction X when viewed in the vertical direction is defined as the width direction Y.

[0020] 1 and 2, the pole section 4 includes a lower pole member 9 that stands on an installation surface G (e.g., the ground) while being embedded in a support 6 on the installation surface G side, and an upper pole member 10 that is connected to the upper part of the lower pole member 9. As shown in FIG. 3, the upper pole member 10 includes a connecting portion 12 that connects to the lower pole member 9 at its lower part, and as shown in FIG. 4, the lower pole member 9 includes a connected portion 13 that connects to the connecting portion 12 of the upper pole member 10 at its upper part. This connected portion 13 is provided at a position located above the installation surface G on the side Z1 when the lower pole member 9 is embedded in the support 6.

[0021] The upper pole member 10 is configured in a cylindrical shape so as to be connectable to the lower pole member 9 with the upper part of the lower pole member 9 inserted from the downward side Z2. The connecting portion 12 and the connected portion 13 are provided with connection holes 15 for inserting or screwing in connecting members 14 such as bolts, nuts, and screws. As shown in Figures 1 and 2, the pole section 4 connecting the lower pole member 9 and the upper pole member 10 is configured by connecting the connecting portion 12 of the upper pole member 10 to the connected portion 13 of the lower pole member 9 using the connecting member 14 with the lower pole member 9 inserted into the upper pole member 10.

[0022] As shown in Figure 3, the upper pole member 10 is provided with an outlet mounting portion 3 on the side Z1 above the connection portion 12 connected to the lower pole member 9. In this embodiment, the outlet mounting portion 3 is configured so that the pole outlet 2 is mounted on the outer surface of the upper pole member 10, but the outlet mounting portion 3 may also be configured so that the pole outlet 2 is mounted on the inside of the upper pole member 10 by forming the outlet mounting portion 3 from a mounting body installed inside the upper pole member 10 by screws, welding, etc., or by the inner surface of the upper pole member 10. In addition, on the upper side Z1 above the connection portion 12 of the upper pole member 10, in addition to the outlet mounting portion 3, there are provided a connector holder mounting portion 16 to which a connector holder 7 can be attached, and a box holder mounting portion 17 to which a box holder 8 can be attached.

[0023] The upper pole member 10 is formed in the shape of a rectangular tube with a rectangular (more specifically, square) cross section. The cylindrical shape of the upper pole member 10 allows the power line 5 to be wired inside, and the opening formed at the top end of the upper pole member 10 is covered by a cover member 18 as shown in FIG.

[0024] As shown in Fig. 4, the lower pole member 9 has a U-shaped cross section at least in a predetermined range from the lower end toward the upper side Z1. In this embodiment, the predetermined range is the range from the lower end to the upper end of the lower pole member 9, and the entire cross section of the lower pole member 9 in the up-down direction Z is U-shaped. Therefore, the lower pole member 9 has a side opening 20 formed over the entire one surface thereof (the surface on the rear side X2 in the state shown in Fig. 4).

[0025] The lower pole member 9 is provided with through holes 21 penetrating inward and outward in a region of the surface forming the U-shaped cross section that is embedded in the support body 6. In this embodiment, the through holes 21 are provided in two of the three surfaces forming the U-shaped cross section, one on the left side and one on the right side, located on both sides in the width direction Y with the side opening 20 in between. The lower pole member 9 is also provided with a screw hole 24 for attaching a ground terminal screw 23 , and a ground wire (not shown) is connected to the pole portion 4 using the ground terminal screw 23 .

[0026] The lower pole member 9 is configured to be connectable to the upper pole member 10 in a state where it is rotated about the vertical axis. Therefore, in this embodiment, the lower pole member 9 and the upper pole member 10 are connected so that the side opening 20 is formed on the rear side X2 surface of the lower pole member 9, but it may also be connected in a state where it is rotated 180° about the vertical axis with respect to the upper pole member 10 so that the side opening 20 is formed on the front side X1 surface of the lower pole member 9. Furthermore, in this embodiment, the upper pole member 10 is formed in a rectangular cylindrical shape with a square cross section, so it is configured to be connectable to the lower pole member 9 in a state where it is rotated in 90° increments about the vertical axis relative to the lower pole member 9. For example, it may be configured so that the lower pole member 9 is connected to the upper pole member 10 in a state where it is rotated 90° about the vertical axis so that the side opening 20 is formed on the surface of the lower pole member 9 in the width direction Y.

[0027] 5, the lower pole member 9 is provided with an indicator 22 indicating the ground line (GL), and a portion Z2 below the height of the ground line indicated by this indicator 22 (the height indicated by the upper end of the white triangle) is embedded in the support body 6, and a portion Z1 above the height of the ground line is provided with a connected portion 13. The region Z2 below the height of the ground line on the lower pole member 9 is the region embedded in the support body 6.

[0028] 6, the lower pole member 9 has smaller outer dimensions than the inner dimensions of the upper pole member 10 in a cross-sectional view, and is configured so that the lower pole member 9 can be inserted into the upper pole member 10 from the lower side Z2, and in this embodiment, as shown in FIGS. 2 and 5, the upper pole member 10 is inserted until the lower end thereof is positioned at the height of the installation surface G indicated by the display unit 22. In this inserted state, the upper pole member 10 is fitted onto the lower pole member 9 with no or a small gap between the connecting portion 12 and the connected portion 13, and the connecting portion 12 of the upper pole member 10 is connected to the connected portion 13 of the lower pole member 9 using the connecting member 14.

[0029] In this way, the connecting portion 12 is configured to connect to the connected portion 13 with the upper portion of the lower pole member 9 inserted into the cylindrically formed upper pole member 10 from the lower side Z2. Then, by embedding the lower pole member 9 in the support body 6 with the height of the ground line indicated by the display unit 22 being the installation surface G, the lower end of the upper pole member 10 is located near the installation surface G. Note that the lower end of the upper pole member 10 is desirably located in the range from the installation surface G (the upper surface of the support body 6) to the upper surface of a rising portion 27 (described later) in the vertical direction Z, and in this embodiment, the lower end of the upper pole member 10 is located in contact with the upper surface of the support body 6, which is the installation surface G, within the above range. Then, by positioning the lower end of the upper pole member 10 in the range from the installation surface G to the upper surface of the rising portion 27, the lower end of the upper pole member 10 can be located within the rising portion 27 and hidden so as not to be exposed to the outside. Furthermore, by inserting the lower pole member 9 into the upper pole member 10, the portion of the side opening 20 located on the upper side Z1 above the ground line is closed by the upper pole member 10.

[0030] The upper pole member 10 is made of a different material from the lower pole member 9, and the upper pole member 10 is made of a material that is easier to process and has a better appearance than the lower pole member 9. Specifically, the upper pole member 10 is made of a non-ferrous metal such as an aluminum alloy, and the lower pole member 9 is made of an iron-based metal such as steel. The length of the upper pole member 10 is set based on a standard length of material such as a square pipe so as to reduce the generation of scrap material. For example, the length of the upper pole member 10 is set to the standard length or a length obtained by dividing the standard length equally (e.g., 1 / 2). The lower pole member 9 has a U-shaped cross section in the entire vertical direction Z, and by making it of an iron-based metal such as steel, which has a relatively high strength as described above, necessary and sufficient strength is ensured.

[0031] As shown in Figures 1 and 2, when installing the power supply pole 1, a hole for installing the power supply pole 1 is dug in the ground, broken gravel 25 is laid, the lower pole member 9 is placed on the broken gravel 25, and the power line 5 is installed. Then, concrete is poured up to the height of the installation surface G shown on the display unit 22, and the lower pole member 9 is erected on the installation surface G with its lower part buried in the support member 6. After the concrete has hardened, the upper pole member 10 is installed and connected to the lower pole member 9 by inserting it into the lower pole member 9 protruding from the installation surface G. Then, a rising portion 27 with a drainage slope 26 on its upper surface is formed on the support member 6 using mortar or the like.

[0032] As described above, the pole section 4 includes the lower pole member 9 that is embedded in the support 6 on the installation surface G and that is erected on the installation surface G, and the upper pole member 10 that is connected to the upper part of the lower pole member 9. Therefore, when erecting the pole section 4 on the installation surface G by burying the lower part of the pole section 4 in concrete in a hole dug in the installation surface G as described above, the pole section 4 can be erected on the installation surface G by burying the lower part of the lower pole member 9 in concrete and then connecting the upper pole member 10 to the part of the lower pole member 9 that is located on the upper side Z1 above the installation surface G. When burying the lower pole member 9 in concrete, the upper pole member 10 can be left separate, and the center of gravity is lower than when the entire pole section 4 is buried, making it less likely to tip over, making it easier to install the pole section 4 in a predetermined posture.

[0033] [Another embodiment] Other embodiments of the present invention will be described below. Note that the configurations of the embodiments described below are not limited to being applied independently, but can also be applied in combination with the configurations of other embodiments.

[0034] (1) In the above embodiment, an example has been described in which the lower pole member 9 is made of steel and the upper pole member 10 is made of aluminum alloy, but the lower pole member 9 may be made of a material other than steel, and the upper pole member 10 may be made of a material other than aluminum alloy. For example, the lower pole member 9 or the upper pole member 10, or a part of them, may be made of resin or fiber-reinforced resin obtained by impregnating glass cloth, carbon fiber, or the like with resin. Also, in the above embodiment, the lower pole member 9 and the upper pole member 10 are made of different materials, but they may be made of the same material. For example, both the lower pole member 9 and the upper pole member 10 may be made of steel, aluminum alloy, resin, or fiber-reinforced resin.

[0035] (2) In the above embodiment, an example has been described in which the entire lower pole member 9 in the vertical direction Z is defined as a predetermined range and the entire lower pole member 9 in the vertical direction Z is formed to have a U-shaped cross section. However, the predetermined range may be changed as appropriate, for example, by defining the range from the lower end of the lower pole member 9 to the ground line as the predetermined range and forming the U-shaped cross section of the portion of the lower pole member 9 that is embedded in the support member 6 and forming the cross section of the other portion into a rectangular shape. Also, the entire lower pole member 9 may be configured to be cylindrical.

[0036] (3) In the above embodiment, the through-holes 21 are provided on two of the three surfaces of the lower pole member 9, which are located on both sides in the width direction Y. However, the surfaces and positions on which the through-holes 21 are provided may be changed as appropriate, and the through-holes 21 may be provided on the surface located on the front side X1 in addition to or instead of the two surfaces located on both sides in the width direction Y of the lower pole member 9.

[0037] (4) In the above embodiment, the configuration in which the upper pole member 10 is connected to the lower pole member 9 in a state in which the lower pole member 9 is inserted into the upper pole member 10 from the downward side Z2 has been described as an example, but the configuration in which the upper pole member 10 is connected to the lower pole member 9 may be changed as appropriate. For example, the upper pole member 10 may be connected to the lower pole member 9 in a state in which the lower pole member 9 is butted against the upper pole member 10 from the downward side Z2. In that case, a connecting member or the like that is disposed so as to extend between the inside of the lower end of the upper pole member 10 and the inside of the upper end of the lower pole member 9 and is capable of connecting the upper pole member 10 and the lower pole member 9 can be suitably used.

[0038] (5) In the above embodiment, an example in which the pole portion 4 is configured in a rectangular cylindrical shape has been described, but the shape of the pole portion 4 may be changed as appropriate, such as by configuring the pole portion 4 in a cylindrical or semi-cylindrical shape. Note that when the pole portion 4 is configured in a cylindrical shape, the upper pole member 10 and the lower pole member 9 may be connectable in a relatively rotated state, and the side opening 20 may be positioned at any position in the circumferential direction of the lower pole member 9.

[0039] (6) In the above embodiment, the support 6 is a concrete support portion constructed by pouring concrete into a hole dug in the ground. However, the configuration of the support 6 may be changed as appropriate, and the support 6 may be constructed of soil, crushed stone, or the like, backfilled in a hole dug in the ground.

[0040] (7) In the above embodiment, the pole outlet 2 is an outlet to which a charging cable (not shown) for an electric vehicle can be connected. However, the pole outlet 2 may also be an outlet to which a charging cable for an electrically assisted bicycle or an electrically powered wheelchair can be connected, or an outlet to which a cable for supplying power to lighting, etc. can be connected. The outlet is not limited to a configuration in which a plug on the cable side is inserted, and various configurations to which a cable can be connected can be adopted, such as a configuration in which the contact points on the cable side are brought into contact by the magnetic force of a magnet. [Explanation of symbols]

[0041] 1 Power supply pole 2 pole outlets 3 Outlet mounting part 4 Pole section 5 Power line 6 Support 9 Lower pole member 10 Upper pole member 21 Through hole G Installation surface

Claims

1. a pole portion having an outlet mounting portion to which a pole outlet can be mounted, The pole portion is a power supply pole configured to allow a power line connected to the pole outlet to be wired therein, The pole portion is a power supply pole comprising a lower pole member that is erected on the installation surface while being embedded in a support body on the installation surface side, and an upper pole member connected to the top of the lower pole member.

2. 2. The power feed pole according to claim 1, wherein the upper pole member is made of a different material from the lower pole member.

3. 3. The power supply pole according to claim 1, wherein the lower pole member has a U-shaped cross section at least in a predetermined area extending upward from the lower end.

4. 4. The power supply pole according to claim 3, wherein the lower pole member has a through hole extending from inside to outside in a region of the surface forming the U-shaped cross section that is embedded in the support body.

5. the upper pole member is configured in a cylindrical shape so as to be connectable to the lower pole member with an upper portion of the lower pole member inserted from below, The power supply pole according to claim 1 or 2, wherein the upper pole member is connected to the lower pole member so that the lower end of the upper pole member is positioned near the installation surface when the lower pole member is erected on the installation surface.

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