CN113251368B

CN113251368B - Street lamp basis safety cover

Info

Publication number: CN113251368B
Application number: CN202110579065.6A
Authority: CN
Inventors: 李文俊; 应林海
Original assignee: Wenzhou Chengnan Municipal Construction Maintenance Co ltd
Current assignee: Wenzhou Chengnan Municipal Construction Maintenance Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-06-14
Anticipated expiration: 2041-05-26
Also published as: CN113251368A

Abstract

The application relates to a street lamp foundation protection cover, which comprises a bottom plate fixed below a street lamp foundation and a protection cover covering the outside of the street lamp foundation, wherein the upper end surface of the street lamp foundation is provided with a through hole extending along the vertical direction, the protection cover is provided with a fixed hole communicated with the through hole, and a lamp post with a lamp mounted at the top is arranged in the fixed hole and the through hole in a penetrating way; the circumference lateral wall of lamp pole distributes along its length direction has a plurality of ring channels, be provided with on the safety cover and dismantle the setting element of being connected with the lamp pole, work as when the setting element is connected with the lamp pole, the setting element is arranged in one of them ring channel and can block that the lamp pole removes along vertical direction. The lamp height-adjustable that this application had lamp pole top installation, can satisfy multiple high lighting demand's effect.

Description

Street lamp basis safety cover

Technical Field

The application relates to the technical field of street lamps, in particular to a street lamp foundation protection cover.

Background

The street lamp is an appliance for providing a lighting function for a road, generally comprises a lamp, an electric wire, a lamp post, a lamp arm, a flange plate, a street lamp base and other structures, and is widely applied to the field of traffic lighting.

In the related art, chinese patent No. CN206695077U discloses an anticorrosion street lamp base, which includes a base, a flange fixed on the base, and a protective cover sleeved on the base and the flange, wherein the base and the concrete floor are cast as a whole. The flange seat comprises flange pipe and the ring flange that is used for fixed flange pipe, and the lamp pole fixed connection of lamps and lanterns is installed with the top to the flange pipe, and the top of protection casing is fixed with the protection casing nut, flange pipe and protection casing nut screw-thread fit.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the street lamp is installed in above-mentioned anticorrosion street lamp base, the lamp pole is fixed to be set up on the flange seat, and the flange seat with pour the basic seat fixed connection of shaping on concrete ground, the lamps and lanterns of lamp pole top installation highly can't be adjusted, are difficult to satisfy the lighting needs of multiple height, remain to improve.

Disclosure of Invention

In order to adjust the lamps and lanterns height of lamp pole top installation to satisfy the lighting needs of multiple height, this application provides a street lamp basis safety cover.

The application provides a street lamp basis safety cover adopts following technical scheme:

a street lamp foundation protection cover comprises a bottom plate fixed below a street lamp foundation and a protection cover covering the outside of the street lamp foundation, wherein a through hole extending along the vertical direction is formed in the upper end surface of the street lamp foundation, a fixing hole communicated with the through hole is formed in the protection cover, and a lamp post with a lamp mounted at the top is arranged in the fixing hole and the through hole in a penetrating manner; the circumference lateral wall of lamp pole distributes along its length direction has a plurality of ring channels, be provided with on the safety cover and dismantle the setting element of being connected with the lamp pole, work as when the setting element is connected with the lamp pole, the setting element is arranged in one of them ring channel and can block that the lamp pole removes along vertical direction.

By adopting the technical scheme, after the street lamp is installed in place, the protective cover is positioned on the outer side of the street lamp base, so that the street lamp base is protected; the lamp post is arranged in the fixing hole and the through hole in a penetrating mode, so that the lamp post can vertically move relative to the street lamp base, and the height of the lamp post and the height of a lamp arranged at the top of the lamp post are changed. After the height of the lamp is adjusted in place, the positioning piece is connected to the lamp post, so that the positioning piece extends into one of the annular grooves to block the lamp post from moving along the vertical direction, the lamp post and the lamp are fixed along the vertical direction, and the stability of the lamp post and the lighting effect of the lamp on a road are improved. The annular groove is provided with a plurality ofly along the length direction of lamp pole, and the high difference of lamp pole when the setting element stretches into different annular grooves to make the setting element can fix a position the lamp pole at the height of multiple difference, in order to satisfy the lighting needs of multiple height, the practicality is strong.

Optionally, the positioning element includes a first half ring and a second half ring, one end of the first half ring and one end of the second half ring are hinged ends, the other end of the first half ring and the other end of the second half ring are movable ends capable of rotating relatively, when the movable ends of the first half ring and the second half ring are abutted against each other, a positioning hole is formed, and the inner diameter of the positioning hole is smaller than the diameter of the lamp post and larger than the diameter of the bottom wall of the annular groove; the movable end of the first half ring is provided with a locking piece detachably connected with the second half ring, and when the locking piece is connected with the second half ring, the first half ring and the second half ring are sleeved in one of the annular grooves and are fixed relatively.

By adopting the technical scheme, after the height of the lamp post is adjusted in place, the first half ring and the second half ring are rotated towards one side close to each other until the movable ends of the first half ring and the second half ring are abutted, at the moment, the first half ring and the second half ring are sleeved in the annular grooves close to the first half ring and the second half ring, the lamp post can be prevented from moving along the vertical direction, and the stability of the lamp post is improved. Then, the locking piece is connected with the second half ring to prevent the first half ring and the second half ring from moving towards one side away from each other, so that the stability of the positioning piece per se and the positioning effect on the lamp post are improved.

Optionally, the locking piece includes the locking piece that articulates at first semi-ring expansion end, the direction of rotation of locking piece perpendicular to the direction of rotation of first semi-ring, the locking groove that supplies the locking piece to rotate the embedding is seted up to the up end of second semi-ring.

By adopting the technical scheme, after the movable ends of the first half ring and the second half ring are abutted, the locking block is rotated to be embedded into the locking groove, so that the first half ring and the second half ring can be prevented from rotating relatively; if the lamp pole height needs to be adjusted again, the operator only needs to rotate the locking block out of the locking groove, and the lamp pole locking device is convenient and fast.

Optionally, a fixed groove is formed at the movable end of the first half ring, the locking block includes a locking portion with one end hinged in the fixed groove and a stopping portion fixed on the locking portion, and the width of the stopping portion is greater than that of the locking portion; the locking groove includes logical groove and locking groove that communicates each other, lead to the groove and can supply the locking part to rotate the embedding, the locking groove can supply the locking part to rotate the embedding.

By adopting the technical scheme, when the locking block is embedded into the locking groove, the locking part is positioned in the through groove, and the locking part is positioned in the locking groove. The width of the stop part is larger than that of the locking part, when the first half ring and the second half ring are driven to rotate back to back, the part of the stop part, which exceeds the locking part, can abut against the groove wall of the stop groove to prevent the first half ring and the second half ring from rotating back to back, the locking part has a good positioning effect on the first half ring and the second half ring, and the positioning part has high stability.

Optionally, a moving block is fixed to a side, away from the second half ring, of the locking portion, a moving groove into which an end of the moving block is inserted is formed in an upper end surface of the first half ring, and when the moving block is inserted into the moving groove, an end of the locking block in the horizontal direction does not exceed the first half ring.

By adopting the technical scheme, before the first half ring and the second half ring are rotated in opposite directions, the moving block is inserted into the moving groove, and the end part of the locking block in the horizontal direction does not exceed the first half ring at the moment, so that the connection between the positioning piece and the lamp post is not interfered.

Optionally, the upper side of the second half ring is provided with two fastening blocks, and when the locking block is embedded into the locking groove, the moving block is located between the two fastening blocks and detachably connected with the fastening blocks through fasteners.

Through adopting above-mentioned technical scheme, the fastener plays the effect of connecting movable block and fastening block for the movable block is difficult for moving relative second semi-ring, the locking piece is difficult for shifting out the locking groove, has further improved the connection stability of first semi-ring and second semi-ring.

Optionally, the upper side of the protective cover is rotatably connected with a pushing element, the pushing element includes a dovetail block, a vertical block disposed on the upper side of the dovetail block, and an insert block disposed on one side of the vertical block close to the lamp post, the circumferential side wall of the lamp post is provided with slots equal in number to the number of the annular grooves, and the slots are respectively located on the upper side of the annular grooves and can be used for the end portions of the insert blocks to be embedded; the up end of protection casing has been seted up annular and has been rotated the groove, set up the breach that supplies the forked tail piece to slide to stretch into on the cell wall that rotates the groove, the forked tail piece rotates to set up in rotating the groove.

Through adopting above-mentioned technical scheme, during the assembly was passed, the dovetail piece can follow the breach immigration and rotate the groove to make the inserted block embedding one of them slot, operating personnel accessible was passed and is passed a drive lamp pole circumferential direction, thereby changes the lighting position of lamp edge horizontal direction of lamp pole top installation, with the illumination scope of enlarging lamps and lanterns, improvement illuminating effect.

Optionally, one side of the vertical block far away from the insertion block is provided with a positioning block, a positioning bolt penetrates through the positioning block, and a plurality of positioning screw holes in threaded fit with the positioning bolt are formed in the upper end face of the protective cover along the circumferential direction.

By adopting the technical scheme, after the lamp post rotates in place, the positioning bolt penetrates through the positioning block and then is in threaded connection with one of the positioning screw holes, so that the positioning block is fixed in position, the lamp post cannot continue to rotate, and the lamp is high in stability.

Optionally, the downside threaded connection of lamp pole has the extension pipe that is used for the threading, set up on the protective cover and supply the extension pipe to move into or shift out the hole of stepping down on the street lamp basis, it has the closed door that is used for sheltering from the hole of stepping down to articulate on the protective cover.

By adopting the technical scheme, the electric wire for connecting the circuit passes through the lamp post from bottom to top from the extension tube and then is connected with the lamp so as to realize power supply of the lamp. After the lamp breaks down, an operator can open the sealing door firstly and then separate the extension pipe from the lamp post, so that the exposed length of the electric wire is enlarged to facilitate maintenance, additional punching on the lamp post is not needed during maintenance, the operation is simple and convenient, and the maintenance efficiency is high.

Optionally, a support member located on the lower side of the lamp post is arranged on the bottom plate, the support member includes a support spring arranged on the bottom plate and a support block fixed on the support spring, and the support block abuts against the position right below the extension pipe.

Through adopting above-mentioned technical scheme, when supporting spring received the pressure effect of lamp pole, had the effort towards the upside to the supporting shoe, played the effect of auxiliary stay lamp pole for the gravity of lamp pole and lamps and lanterns is not only used in the setting element, has disperseed the bearing pressure of setting element. When an operator rotates the extension pipe downwards, the extension pipe can extrude the supporting block and the supporting spring, so that the supporting block moves downwards and provides a moving space for the extension pipe, and the extension pipe is compact in structure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the positioning piece is sleeved in different annular grooves, the heights of the lamp post and the lamp can be changed so as to meet the lighting requirements of various heights, and the practicability is high;

2. after the first half ring and the second half ring are sleeved in the annular groove, the locking block is rotated to enable the locking part to be embedded into the through groove and the locking part to be embedded into the locking groove, at the moment, the first half ring and the second half ring cannot rotate backwards due to the limitation of the locking block, the connecting strength of the positioning part and the lamp post is high, and the stability of the lamp is good;

3. an operator can push the lamp post to rotate circumferentially through the pushing piece, so that the lighting position of the lamp in the horizontal direction is changed, and the lighting range of the lamp is expanded.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic partial cross-sectional view of an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a positioning element in an embodiment of the present application.

Figure 5 is a schematic view of a partial explosion of the locking block in an embodiment of the application when separated from the locking groove.

Description of reference numerals: 1. a base plate; 11. an adjustment member; 111. an adjusting seat; 112. adjusting the screw rod; 113. adjusting the nut; 12. a support member; 121. a support spring; 122. a support block; 2. a protective cover; 21. an edge; 22. installing a bolt; 23. an accommodating chamber; 24. a hole of abdication; 25. a closing door; 26. a fixing hole; 27. a rotating groove; 271. a notch; 28. positioning the screw hole; 3. a street lamp foundation; 31. a channel; 32. a through hole; 4. a lamp post; 41. an extension pipe; 42. an annular groove; 43. a slot; 5. a light fixture; 51. a connecting rod; 6. a positioning member; 61. a first half ring; 611. fixing grooves; 612. a moving groove; 62. a second half ring; 621. a fastening block; 63. hinging a shaft; 64. positioning holes; 65. a locking block; 651. a locking portion; 652. a stopper portion; 653. a moving block; 654. moving the hole; 66. a locking groove; 661. a through groove; 662. a stopper groove; 67. a fastener; 671. fastening a bolt; 672. fastening a nut; 7. a pushing element; 71. a dovetail block; 72. erecting a block; 73. inserting a block; 74. positioning blocks; 741. and (6) positioning the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses street lamp basis safety cover. Referring to fig. 1 and 2, the street lamp base protection cover comprises a bottom plate 1 arranged on the ground and a protection cover 2 connected to the upper side of the bottom plate 1, a rim 21 is integrally formed at the lower end of the side wall of the protection cover 2, a mounting bolt 22 in threaded connection with the bottom plate 1 is arranged on the rim 21 in a penetrating manner, and the protection cover 2 is fixedly connected to the bottom plate 1 through the mounting bolt 22.

Referring to fig. 1 and 3, a set of adjusting parts 11 is connected to four corners of the bottom plate 1, each adjusting part 11 includes an adjusting seat 111, an adjusting screw 112 fixed on the upper side of the adjusting seat 111, and two adjusting nuts 113 screwed onto the adjusting screw 112, the adjusting screw 112 is inserted into the bottom plate 1, and the two adjusting nuts 113 are respectively abutted to the upper and lower sides of the bottom plate 1. If the ground to be installed is uneven, an operator can rotate the two adjusting nuts 113 in the same group of adjusting members 11 to change the height of the end part of the bottom plate 1 close to the adjusting members 11 until the bottom plate 1 is adjusted to be in a horizontal state. After the adjustment, the operator can inject grout into the gap between the bottom plate 1 and the ground to fix the bottom plate 1 on the ground.

Referring to fig. 1 and 3, the street lamp includes a street lamp base 3, a lamp post 4 and a lamp 5, and the lamp 5 is fixed at the upper end of the side wall of the lamp post 4 through a connecting rod 51. The lower side of the lamp post 4 is in threaded connection with an extension tube 41, the extension tube 41 and the lamp post 4 are both hollow and cylindrical, and an electric wire for supplying power to the lamp 5 sequentially penetrates through the extension tube 41 and the lamp post 4 from bottom to top and then is electrically connected with the lamp 5.

Referring to fig. 1 and 3, the street lamp base 3 is formed on the base plate 1 by pouring concrete, and the protective cover 2 is provided with a containing cavity 23 with an opening at the lower side. When the protection casing 2 is connected with the bottom plate 1, the street lamp foundation 3 is arranged in the accommodating cavity 23, so that the street lamp foundation 3 is not easy to crack and damage due to long-term exposure to sunlight and rain. One of the side walls of the street lamp base 3 is provided with a channel 31 communicated with the accommodating cavity 23. The side wall of the protection cover 2 close to the channel 31 is provided with a yielding hole 24 communicated with the channel 31, the length of the yielding hole 24 and the length of the channel 31 are both larger than the length of the extension pipe 41, the width of the yielding hole is both larger than the diameter of the extension pipe 41, and the extension pipe 41 can move into or out of the accommodating cavity 23 from the yielding hole 24.

Referring to fig. 1 and 3, a closing door 25 for shielding the opening of the abdicating hole 24 is hinged on the side wall of the protective cover 2, and one end of the closing door 25 far away from the hinged end is detachably connected with the protective cover 2 through a mechanical lock. The closed hole is exposed when the door 25 is opened, so that the operator can conveniently screw the extension pipe 41 out, thereby increasing the exposed length of the electric wire for maintenance.

Referring to fig. 3, a through hole 32 is formed in the upper end surface of the street lamp base 3, and the through hole 32 extends in the vertical direction and has openings at the upper and lower sides. The fixed orifices 26 that communicate each other with holding chamber 23 and perforating hole 32 are seted up to the up end of protection casing 2, and the axis collineation of fixed orifices 26 and perforating hole 32 and the internal diameter between them equals, and the lamp pole 4 is worn to establish in fixed orifices 26 and perforating hole 32 for lamp pole 4 can be relative street lamp basis 3 and the vertical removal of protection casing 2, and then change the height of lamps and lanterns 5.

Referring to fig. 3, a support member 12 is disposed on the base plate 1, the support member 12 includes a plurality of support springs 121 and a plurality of support blocks 122, the lower end of each support spring 121 is fixed on the base plate 1, the upper end of each support spring 121 is fixed on the support block 122, and the support blocks 122 abut against the lamp post 4. When the lamp post 4 presses the supporting block 122, the supporting spring 121 is pressed to deform and generate an upward acting force on the supporting block 122, so as to assist in supporting the lamp post 4.

Referring to fig. 1 and 4, a positioning member 6 is disposed on an upper side of the shield 2, the positioning member 6 includes a first half ring 61 and a second half ring 62, one ends of which are hinged to each other through a hinge shaft 63, the hinge shaft 63 is fixedly connected to the shield 2, one ends of the first half ring 61 and the second half ring 62 are hinged ends, the other ends of the first half ring 61 and the second half ring 62 are movable ends capable of rotating relative to each other, and when the movable ends of the first half ring 61 and the second half ring 62 are abutted against each other, a circular positioning hole 64 is formed in a middle portion of the positioning member 6.

Referring to fig. 3 and 4, a plurality of annular grooves 42 are formed in the circumferential side wall of the lamp post 4, the plurality of annular grooves 42 are distributed along the length direction of the lamp post 4, and in this embodiment, the number of the annular grooves 42 in the length direction, i.e., the vertical direction, of the lamp post 4 is four. The length of the annular groove 42 in the vertical direction is slightly greater than the length of the first half ring 61 and the second half ring 62 in the vertical direction, the inner diameter of the positioning hole 64 is smaller than the diameter of the lamp post 4 and larger than the diameter of a cylinder formed by enclosing the bottom wall of the annular groove 42, and the outer diameters of the first half ring 61 and the second half ring 62 are larger than the diameter of the lamp post 4 and the inner diameter of the fixing hole 26. After the height of the lamp post 4 is adjusted to the right position, the first half ring 61 and the second half ring 62 are rotated in opposite directions, so that the first half ring 61 and the second half ring 62 are sleeved in the annular groove 42 close to the first half ring 61 and the second half ring 62, and at the moment, the positioning part 6 can prevent the lamp post 4 from moving in the vertical direction, thereby playing a role in fixing the lamp post 4.

Referring to fig. 4 and 5, the first half ring 61 is provided with a locking member, and the locking member includes a locking block 65 hinged to the movable end of the first half ring 61, and the rotation direction of the locking block 65 is perpendicular to the rotation direction of the first half ring 61 and the second half ring 62. The locking block 65 includes a locking portion 651 and a stopper portion 652 which are integrally formed, the upper end surface of the first half ring 61 is provided with a fixing groove 611 at the movable end thereof, one end of the locking portion 651 is hinged on the groove wall of the fixing groove 611, the other end is connected with the stopper portion 652, the width of the stopper portion 652 is greater than that of the locking portion 651, and both ends of the stopper portion 652 exceed the locking portion 651.

Referring to fig. 4 and 5, the upper end surface of the second half ring 62 is provided with a locking groove 66 at the movable end thereof for the locking block 65 to be rotatably inserted into, the locking groove 66 includes a through groove 661 and a locking groove 662 which are communicated with each other, the through groove 661 is communicated with the end surface of the second half ring 62 away from the hinge end thereof, the locking groove 662 is located at one side of the through groove 661 away from the movable end of the second half ring 62, and the width of the locking groove 662 is greater than that of the locking groove 66. After the movable ends of the first half ring 61 and the second half ring 62 are abutted, the locking block 65 is rotated to one side close to the second half ring 62, so that the locking part 651 is embedded into the locking groove 66, the stopping part 652 is embedded into the stopping groove 662, the first half ring 61 and the second half ring 62 are prevented from moving backwards, the positioning part 6 is not easy to separate from the lamp post 4, and the stability of the lamp post 4 is improved.

Referring to fig. 4 and 5, a moving block 653 is fixed on one side of the locking portion 651 away from the second half ring 62, two fastening blocks 621 arranged oppositely are fixed on the upper end surface of the second half ring 62, and the two fastening blocks 621 are respectively located on two opposite sides of the locking groove 66. The two fastening blocks 621 are connected with a group of fastening pieces 67, each fastening piece 67 comprises a fastening bolt 671 arranged in the two fastening blocks 621 in a penetrating manner and a fastening nut 672 screwed on the fastening bolt 671, and the middle part of the moving block 653 is provided with a moving hole 654 for the fastening bolt 671 to penetrate out. When the locking block 65 is inserted into the locking groove 66, the moving block 653 is located between the two fastening blocks 621, and the moving hole 654 is aligned with the hole on the fastening block 621 through which the fastening bolt 671 passes, so that an operator can sequentially pass the fastening bolt 671 through one of the fastening blocks 621, the moving block 653 and the other fastening block 621 and then be screwed with the fastening nut 672, thereby fixing the moving block 653 and further improving the connection stability of the first half ring 61 and the second half ring 62.

Referring to fig. 5, the upper end surface of the first half ring 61 is formed with a moving groove 612 into which the end of the moving block 653 is fitted, and the moving groove 612 is located on a side of the fixing groove 611 away from the second half ring 62. Before the positioning member 6 and the lamp post 4 are connected, the locking block 65 is rotated to a side away from the second half ring 62, so that one end of the moving block 653 away from the locking block 65 is embedded into the moving groove 612, and at this time, the end of the locking block 65 in the horizontal direction does not exceed the first half ring 61, and the connection between the positioning member 6 and the lamp post 4 is not affected.

Referring to fig. 1 and 2, pusher shoe 7 is connected to the upper side of shield 2, pusher shoe 7 includes dovetail block 71, upright block 72 fixedly connected to the upper side of dovetail block 71, and insert block 73 fixedly connected to upright block 72 on the side close to lamp post 4, and insert block 73 is located at the upper end of the side wall of upright block 72. The upper end face of the protection cover 2 is provided with an annular rotating groove 27, the section of the rotating groove 27 is in a trapezoid shape matched with the dovetail block 71, and the dovetail block 71 is rotatably connected in the rotating groove 27. In order to facilitate the disassembly and assembly of the dovetail block 71, a notch 271 with a width larger than that of the dovetail block 71 is formed on the wall of the rotating groove 27, and the dovetail block 71 can move into or out of the rotating groove 27 from the notch 271.

Referring to fig. 2 and 3, the circumferential side wall of the lamp post 4 is provided with slots 43 equal in number to the annular grooves 42, the slots 43 are distributed along the length direction of the lamp post 4 and are respectively located above the annular grooves 42, and the slots 43 can be used for the insertion of the end portions of the insertion blocks 73 far away from the vertical blocks 72, so that an operator can drive the lamp post 4 to rotate by using the pushing piece 7, and the lighting position of the lamp 5 along the horizontal direction can be changed. One side fixedly connected with locating piece 74 that upright piece 72 kept away from inserted block 73, wear to be equipped with positioning bolt 741 on the locating piece 74, a plurality of and positioning bolt 741 screw thread fit's location screw 28 have been seted up to the up end of protection casing 2, and a plurality of location screw 28 are the circumference equipartition along the axis of lamp pole 4. After the lamp post 4 is rotated to a proper position, the positioning bolt 741 passes through the positioning block 74 and then is in threaded connection with one of the positioning screw holes 28, so that the pushing element 7 is fixed in position and the lamp post 4 cannot rotate any more.

The implementation principle of street lamp basis safety cover of the embodiment of this application does: when the street lamp is installed, the lamp post 4 is firstly inserted into the fixing hole 26 and the through hole 32 from top to bottom, and then the first half ring 61 and the second half ring 62 are rotated in opposite directions, so that the first half ring 61 and the second half ring 62 are sleeved outside one of the annular grooves 42 to limit the vertical movement of the lamp post 4. Then, the locking block 65 is rotatably inserted into the locking groove 66, the moving block 653 is located between the two fastening blocks 621, and the fastening bolt 671 is threaded with the fastening nut 672 after passing through the moving block 653 and the two fastening blocks 621, so as to limit the back rotation of the first half ring 61 and the second half ring 62. During assembly, an operator can connect the positioning piece 6 into different annular grooves 42, so that the heights of the lamp post 4 and the lamp 5 are changed, the lighting requirements of different heights are met, and the practicability is high.

In addition, the dovetail block 71 is moved into the rotating groove 27 from the notch 271, and the end of the inserting block 73 is inserted into the slot 43 close to the notch, so that the lamp post 4 can be driven to rotate by using the pushing block, thereby changing the horizontal position of the lamp 5 and expanding the illumination range of the lamp 5. After the positioning bolt 741 is rotated to the right position, the positioning bolt 741 passes through the positioning block 74 and is screwed with the positioning screw hole 28 adjacent to the positioning block, so that the pushing element 7 and the lamp post 4 can be fixed in position.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a street lamp basis safety cover which characterized in that: the street lamp comprises a bottom plate (1) fixed below a street lamp foundation (3) and a protective cover (2) covered outside the street lamp foundation (3), wherein a through hole (32) extending along the vertical direction is formed in the upper end face of the street lamp foundation (3), a fixing hole (26) communicated with the through hole (32) is formed in the protective cover (2), and a lamp post (4) with a lamp (5) mounted at the top is arranged in the fixing hole (26) and the through hole (32) in a penetrating manner; a plurality of annular grooves (42) are distributed on the circumferential side wall of the lamp post (4) along the length direction of the lamp post, a positioning piece (6) detachably connected with the lamp post (4) is arranged on the protective cover (2), and when the positioning piece (6) is connected with the lamp post (4), the positioning piece (6) is positioned in one of the annular grooves (42) and can block the lamp post (4) from moving along the vertical direction;

the positioning part (6) comprises a first half ring (61) and a second half ring (62), one end of the first half ring (61) and one end of the second half ring (62) are hinged ends, the other end of the first half ring (61) and the other end of the second half ring (62) are movable ends capable of rotating relatively, positioning holes (64) are formed when the movable ends of the first half ring (61) and the second half ring (62) are mutually abutted, and the inner diameter of each positioning hole (64) is smaller than the diameter of the lamp post (4) and larger than the diameter of the bottom wall of the annular groove (42); the movable end of the first half ring (61) is provided with a locking piece detachably connected with the second half ring (62), and when the locking piece is connected with the second half ring (62), the first half ring (61) and the second half ring (62) are sleeved in one of the annular grooves (42) and are fixed relatively;

the locking piece comprises a locking block (65) hinged to the movable end of the first half ring (61), the rotating direction of the locking block (65) is perpendicular to the rotating direction of the first half ring (61), and a locking groove (66) for the locking block (65) to be embedded in a rotating mode is formed in the upper end face of the second half ring (62);

the movable end of the first half ring (61) is provided with a fixing groove (611), the locking block (65) comprises a locking part (651) with one end hinged in the fixing groove (611) and a stopping part (652) fixed on the locking part (651), and the width of the stopping part (652) is larger than that of the locking part (651); the locking groove (66) comprises a through groove (661) and a stopping groove (662) which are communicated with each other, wherein the through groove (661) can be used for the locking part (651) to be rotatably embedded, and the stopping groove (662) can be used for the stopping part (652) to be rotatably embedded.

2. The street lamp foundation protection cover as claimed in claim 1, wherein: a moving block (653) is fixed on one side, away from the second half ring (62), of the locking part (651), a moving groove (612) into which the end part of the moving block (653) is inserted is formed in the upper end face of the first half ring (61), and when the moving block (653) is inserted into the moving groove (612), the end part of the locking block (65) in the horizontal direction does not exceed the first half ring (61).

3. A street light foundation protection cover according to claim 2, characterized in that: two fastening blocks (621) are oppositely arranged on the upper side of the second half ring (62), and when the locking blocks (65) are embedded into the locking grooves (66), the moving block (653) is positioned between the two fastening blocks (621) and is detachably connected with the fastening blocks (621) through fasteners (67).

4. The street lamp foundation protection cover as claimed in claim 1, wherein: the upper side of the protective cover (2) is rotatably connected with a pushing piece (7), the pushing piece (7) comprises a dovetail block (71), a vertical block (72) arranged on the upper side of the dovetail block (71) and an insertion block (73) arranged on one side, close to the lamp post (4), of the vertical block (72), slots (43) with the same number as the annular grooves (42) are formed in the circumferential side wall of the lamp post (4), and the slots (43) are located on the upper side of the annular grooves (42) respectively and can be used for the end portions of the insertion blocks (73) to be embedded; annular rotating groove (27) have been seted up to the up end of protection casing (2), offer on the cell wall of rotating groove (27) and supply dovetail block (71) to slide breach (271) that stretches into, dovetail block (71) rotate and set up in rotating groove (27).

5. The street lamp base protective cover according to claim 4, characterized in that: one side of the vertical block (72) far away from the insertion block (73) is provided with a positioning block (74), a positioning bolt (741) penetrates through the positioning block (74), and a plurality of positioning screw holes (28) in threaded fit with the positioning bolt (741) are formed in the upper end face of the protective cover (2) along the circumferential direction.

6. The street lamp foundation protection cover as claimed in claim 1, wherein: the downside threaded connection of lamp pole (4) has extension pipe (41) that are used for the threading, offer on protection casing (2) and supply extension pipe (41) to move into or shift out hole of stepping down (24) on the street lamp basis (3), articulated on protection casing (2) have be used for sheltering from closed door (25) of hole of stepping down (24).

7. The street lamp foundation protection cover according to claim 6, characterized in that: the lamp post is characterized in that a supporting piece (12) positioned on the lower side of the lamp post (4) is arranged on the bottom plate (1), the supporting piece (12) comprises a supporting spring (121) arranged on the bottom plate (1) and a supporting block (122) fixed on the supporting spring (121), and the supporting block (122) abuts against the position under the extension pipe (41).