CN205746441U - Adjustable type LED street lamp - Google Patents

Abstract

A kind of adjustable type LED street lamp, it includes a lock chamber, integrated anchor ear is set in lock chamber, anchor ear includes two symmetrical end faces and a median surface, this median surface is between two end faces, median surface is domed, its face outwardly be arcuate surface, face inwardly be inner concave, fix district in this inner concave is provided with at least one pair of.Anchor ear in this LED street lamp makes lamp stand the most firm.

Description

Adjustable type LED street lamp

[technical field]

This utility model relates to a kind of LED street lamp, adjustable particularly to one Integer LED street lamp.

[background technology]

LED street lamp is the important component part of city illumination, in roadway illumination It is widely used.In recent years because it is energy-efficient, life-span length, color rendering index high, The advantages such as environmental protection, the market scale of LED street lamp constantly expands.

Under normal circumstances, LED street lamp includes lamp holder, lamp stand and lamppost, lamppost Being vertically fixed on ground, one end of lamp stand is at an angle with lamppost to be connected, its The other end is plugged on the tail intracavity of lamp holder, and tail intracavity arranges an anchor ear, this anchor ear Lamp stand is fixed in power source cavity.

Between lamp stand and the lamp holder of LED street lamp the most on the market, angle can not Regulation, causes the limitation of holder angle；In addition, anchor ear is being installed During can not positive and negative fill, and lamp stand is led owing to frictional force is too small in anchor ear Cause to skid, make lamp stand cannot consolidate in anchor ear；And LED street lamp sends out sometimes Raw leaky causes lamp body to damage, and leaky cannot solve always.

[utility model content]

In order to overcome prior art problem, this utility model provides a kind of adjustable Integer LED street lamp.

This utility model solves the scheme of technical problem and is to provide a kind of adjustable Type LED street lamp, it includes a lock chamber, arranges integrated in lock chamber Anchor ear, anchor ear is for being fixed on lamp stand one end in lock chamber, and anchor ear includes two Individual symmetrical end face and a median surface, this median surface be positioned at two end faces it Between, median surface is domed, its face outwardly be arcuate surface, face inwardly be interior Concave surface, fixes district in this inner concave is provided with at least one pair of.

Preferably, described arcuate surface is provided with outside at least one fixes district.

Preferably, lamp stand coordinates with inner concave and carries out formal dress, card at least one pair of Gu Qu contacts with lamp stand；Lamp stand coordinates anti-dress with arcuate surface, at least one pair of Outer fixing district contacts with lamp stand.

Preferably, described interior fixing district and/or outer fixing arrange many strap saws in district Dentate stripe and/or multiple salient point and/or multiple tip cone outwardly.

Preferably, described interior fixing district and outer fixing district arrange a plurality of zigzag Striped, the degree of depth of zigzag striped is 0.5-2mm.

Preferably, the cross section of lamp stand is a circle, its a diameter of D, anchor ear A height of H of median surface, two end faces of this anchor ear are respectively provided with a bolt hole, The beeline of two bolts hole is L, H≤D L, anchor ear formal dress or counter fill.

Preferably, the cross section of lamp stand is a circle, its a diameter of D, anchor ear The a height of H of median surface, two end faces of this anchor ear are respectively provided with a bolt hole, and two The beeline of individual bolt hole is L, D H, and anchor ear is counter to be filled.

Preferably, a length of W of median surface, H≤W/2 of anchor ear.

Preferably, be arranged in parallel in lock chamber two identical ladders, Mei Gejie Ladder include first step, second step, the 3rd step, the 4th step, the 5th Step and high-rise step, when lamp stand one end is positioned at three steps, the peace of its correspondence Dress angle is 0 °, lamp stand one end is positioned at second, four steps time, it is corresponding Setting angle be+5 ° or-5 °, lamp stand one end is positioned at the first, the 5th step Time, the setting angle of its correspondence is+10 ° or-10 °.

Preferably, end face arranges bolt hole, its a diameter of A, fitted bolt The diameter of bolt size in hole be B, A and B meet relation be A=(1.1～1.2) B。

Compared with prior art, embracing in this utility model adjustable type street lamp 1 Hoop, by arranging outer fixing district at its arcuate surface, arranges interior fixing at inner concave District, fixes district's (including outer fixing district and/or interior fixing district) and is possible not only to increase Its frictional force with lamp stand contact surface big, it is to avoid lamp stand skid in anchor ear thus Make lamp stand firm in anchor ear, jagged evagination is set by fixing district outside Stricture of vagina, interior fixing district arranges jagged interior burr, or fix outside district and/ Or interior fixing district arranges multiple outer salient point and/or multiple interior salient point and/or multiple Most advanced and sophisticated cone outwardly so that outer fixing district or interior fixing district connect with lamp stand The paint card coated outside it can be fallen time tactile, make metal level directly and anchor ear Contact thus electrically conduct, make the electricity in adjustable type LED street lamp along lamp Bar imports the earth, it is to avoid the generation of leaky.By by lamp stand diameter D, Beeline between a length of W of median surface, a height of H, two bolts hole It is arranged to following parameter for L: H≤D L and H W/2, makes two anchor ears can With while formal dress or simultaneously anti-dress.

By arranging multi-step in lock chamber, the end of lamp stand is placed on rank On wherein one layer of step of ladder, make one platform of the every raise/lower in end of lamp stand Rank, its angle with lock chamber bottom surface increases/reduces 5 ° so that lamp holder with Angle between lamp stand regulates in units of 5 °, it is to avoid lamp holder and lamp stand Between the limitation of angle.By step is arranged to first step, second Rank, the 3rd step, the 4th step, the 5th step and high-rise these six layers of platforms of step Rank, so the angle between lamp holder and lamp stand can be adjusted flexibly 5 °～150 °, I.e. adjustable angle in lamp holder face down to space, right angle the most upward Expanded range 1/6.A plurality of by arranging on the plane of structure of step and/or vertical plane Protruding striped, when making one end of lamp stand 13 contact with wherein one layer of step, should The striped of a plurality of projection plays the effect of increasing friction force.

[accompanying drawing explanation]

Fig. 1 is the structural representation of this utility model adjustable type LED street lamp.

Fig. 2 is that this utility model adjustable type LED street lamp lamp holder open mode is shown It is intended to.

Fig. 3 is that this utility model adjustable type LED street lamp lamp holder tail cavity configuration shows It is intended to.

Fig. 4 is structure for amplifying schematic diagram at A in Fig. 3.

Fig. 5 is the anchor ear in this utility model adjustable type LED street lamp lamp holder The perspective view of one embodiment.

Fig. 6 is the anchor ear in this utility model adjustable type LED street lamp lamp holder The perspective view of another angle of one embodiment.

Fig. 7 is the anchor ear in this utility model adjustable type LED street lamp lamp holder A kind of structural representation of mounting means.

Fig. 8 is the anchor ear in this utility model adjustable type LED street lamp lamp holder The structural representation of two kinds of mounting means.

Fig. 9 is the anchor ear in this utility model adjustable type LED street lamp lamp holder The structural representation that arcuate surface contacts with anchor ear.

Figure 10 is the anchor ear in this utility model adjustable type LED street lamp lamp holder The structural representation that contacts with anchor ear of inner concave.

Figure 11 is the anchor ear in this utility model adjustable type LED street lamp lamp holder The second example structure schematic diagram.

Figure 12 is the anchor ear in this utility model adjustable type LED street lamp lamp holder The another kind of angled arrangement schematic diagram of the second embodiment.

Figure 13 is the anchor ear in this utility model adjustable type LED street lamp lamp holder The structural representation of the 3rd embodiment.

[detailed description of the invention]

In order to make the purpose of this utility model, technical scheme and advantage are clearer Understand, below in conjunction with accompanying drawing and embodiment, this utility model is entered one Step describes in detail.Should be appreciated that specific embodiment described herein is only used To explain this utility model, it is not used to limit this utility model.

Referring to Fig. 1 and Fig. 2, this utility model adjustable type LED street lamp 1 is wrapped Including lamp holder 11, lamp stand 13 and lamppost 15, lamppost 15 is vertically fixed on ground. Lamp holder 11 includes a LED illuminating module 12 and afterbody (non-label), afterbody bag Including upper cover 16 and lower cover 18, this upper cover 16 can rotate around an axle and make itself and lower cover Realize between 18 opening the switching with buckling state.It it is a tail chamber inside afterbody 14, this tail chamber 14 is separated into two parts, and a part is power source cavity 182, and it is used In depositing the devices such as power supply, another part is lock chamber 181.The material of lamp stand 13 Matter is metal material, such as aluminum, coats one layer of paint and be used for preventing metal outside it Oxide etch, one end of this lamp stand 13 is at an angle with lamppost 15 to be connected, and it is another One end is fixing in being plugged on lock chamber 181 to be connected.It is set up in parallel in lock chamber 181 Two anchor ears 2, these two anchor ears 2 are tightened by bolt thus are fixed by lamp stand 13 In lock chamber 181.The material of anchor ear 2 is metal material, such as aluminum.

Refer to Fig. 3 and Fig. 4, be arranged in parallel in lock chamber 181 two identical Ladder 1811, each ladder 1811 includes first step the most successively 18111, second step the 18112, the 3rd step the 18113, the 4th step 18114, 5th step 18115 and high-rise step 18116 are (in all embodiments, above, Under, the relative position that is only limitted in given view of the position determiner such as left and right, Rather than absolute position), the height of first step 18111 and the end of lock chamber 181 Face is identical, second step the 18112, the 3rd step the 18113, the 4th step 18114 Identical with the 5th step 18115 structure, it includes plane of structure and vertical plane respectively, often The striped of a plurality of projection is set on individual plane of structure, when one end and wherein of lamp stand 13 During layer step contact, the striped of this plurality of projection plays the work of increasing friction force With.High-rise step 18116 includes plane of structure and vertical plane, and its plane of structure and vertical plane are flat Sliding surface, deforms as one, and plane of structure and the vertical plane of this high level step 18116 can (other lines is difference to be set to have the face of convex stripe or other lines The bossy body of shape, such as point-like, wavy etc.), according to actual production not With arranging；Deform as another kind, second step the 18112, the 3rd step 18113, the vertical plane of the 4th step 18114 and the 5th step 18115 may be configured as There is the face of convex stripe or other lines, set according to actual production difference Put；Deforming as another kind, the numbers of steps that ladder 1811 includes is at least two Individual, particular number is not construed as limiting.

Further referring to Fig. 5 and Fig. 6, first embodiment anchor ear 2 includes two Symmetrical end face 21 and a median surface 23, this median surface 23 is positioned at two ends Between face 21.Each end face 21 is square, and it is for having certain thickness plane One bolt hole 211 is set on plates, and each end face 21；Median surface 23 in Arch, and this median surface 23 face outwardly is arcuate surface 231, its face inwardly For inner concave 233, this arcuate surface 231 and inner concave 233 collectively constitute one to be had Certain thickness plates median surface 23.

One outer fixing district 232, this wild card are set in the middle of the arcuate surface of arcuate surface 231 Gu district 232 includes a plurality of outer burr 2321 and a plurality of outer dimpled grain 2322, this evagination Stricture of vagina 2321 is a protruding sawtooth striped, and outer dimpled grain 2322 is the bar of depression Stricture of vagina, this plurality of outer burr 2321 and a plurality of outer dimpled grain 2322 transpostion interval are arranged, So the cross section in this outer fixing district 232 is zigzag.

Face (non-label), this center centered by the arcuate surface centre of inner concave 233 The both sides in face are respectively symmetrically in arranging two fixing district 234, each interior fixing district 234 include a plurality of interior burr 2341 and a plurality of interior dimpled grain 2342, this interior burr 2341 is a protruding sawtooth striped, and interior dimpled grain 2342 is the striped of depression, This plurality of interior burr 2341 and a plurality of interior dimpled grain 2342 transpostion interval are arranged, so The cross section fixing district 234 in these two is zigzag.Deform as one, The fixing district 234 being set up in parallel on inner concave 233 is one or at least two, but Its particular number is not construed as limiting, and arranges according to needs of production difference.As Another kind of deformation, can be separately provided outer fixing district 232 in anchor ear 2 and not set Put interior fixing district 234, or be separately provided interior fixing district 234 and be not provided with wild card Gu district 232.

Outer fixing district 232 and the interior fixing district 234 of anchor ear 2 are possible not only to increase it With the frictional force of lamp stand 13 contact surface, and outer burr 2321 and interior burr 2341 The stability keeping contacting it is possible not only to lamp stand 13 when contacting, and heavier , the paint card of coating outside lamp stand 13 can be fallen by it, makes metal level Directly contact with anchor ear 2 thus electrically conduct, make adjustable type LED street lamp 1 The earth is connect, it is to avoid the generation of leaky by lamp stand 13.Outer fixing district 232 It is h with the degree of depth of the zigzag striped in interior fixing district 234, in order to ensure that it is permissible Easily paint card fallen and keep the stability of contact, its degree of depth h Span is preferably 0.5-2mm.

Further referring to Fig. 7, when anchor ear 2 in use, lamp stand 13 is put into In lock chamber 181, the end of lamp stand 13 is placed on the plane of structure of the 3rd step 18113 And contact with the vertical plane of the 4th step 18114, the arcuate surface of two anchor ears 2 231 place simultaneously the most side by side so that it is fix district in two of inner concave 233 234 are just stuck on lamp stand 13 to be blocked and fasten, and now anchor ear 2 is formal dress shape State (the first mounting means).It is each passed through with four bolts (non-label) Four bolts hole 211 insert twist-on in the screw (figure does not regards) in lock chamber 181 Fixing.When lamp stand 13 contacts with ladder 1811, its end can be placed on Contact on the plane of structure of one step 18111 and with the vertical plane of second step 18112, Or its end can be placed on the plane of structure of second step 18112 and with the 3rd The vertical plane on rank 18113 contacts, or its end can be placed on the 4th step Contact on the plane of structure of 18114 and with the vertical plane of the 5th step 18115, or its End can be placed on the plane of structure of the 5th step 18115 and with high-rise step The vertical plane of 18116 connects, and the end of lamp stand 13 is placed on which layer of ladder 1811 Needing to select according to practical set on step, the end of lamp stand 13 often raises/ Reducing a step, it increases/reduces 5 ° with the angle of lock chamber 181 bottom surface, So that the angle between lamp holder 11 and lamp stand 13 regulates in units of 5 °. Step 1811 includes first step 18111, second step the 18112, the 3rd step 18113, the 4th step the 18114, the 5th step 19115 and high-rise step 18116 These six layers of steps, when on the plane of structure that lamp stand 13 is placed on the 3rd step 18113, Desk lamp angle is 0 °, then the angle between lamp holder 11 and lamp stand 13 can spirit Live and adjust-10 °～+10 °.It practice, the differential seat angle between each step Can be as desired to be configured, it is preferably between 3-10 °, preferably 3 °, 5 °, 8 ° and 10 °.

A diameter of A of bolt hole 211, the diameter of bolt is B, bolt hole The diameter A of 211 is larger than diameter B, A=(1～the 1.3) B of bolt, Good value be A=(1.1～1.2) B, i.e. A be 1.1 times to the 1.2 times sizes of B, Its reason is as follows: when the angle of lamp stand 13 is when adjusting for-10 °～+10 °, embrace Hoop 2 changes the most therewith with the angle of lock chamber 181 bottom surface, anchor ear 2 and lamp Bar 13 remains surface contact state, when lamp stand 13 being installed under not 0 deg angle, Bolt and the end face 21 of anchor ear 2 are an acute angle (taking minimum angle), so working as spiral shell When bolt inserts bolt hole 211, between bolt and bolt hole 211, there is certain sky Between just can make bolt 211 and end face 21 angle can also along with being adjusted flexibly, Under the conditions of preferred A=(1.1～1.2) B, the installation of lamp stand 13 can be kept Stability, can flexible adaptation install in the lamp stand 13 of different angles again.

Further referring to Fig. 8, during assembling, two anchor ears 2 can also simultaneously by Inner concave 233 is placed the most side by side so that it is the outer fixing district 232 of arcuate surface 231 Just being stuck on lamp stand 13 to be blocked and fasten, now anchor ear 2 is counter to fill state (the second mounting means).On the whole, anchor ear 2 can the most positive and negative assembling, Anchor ear 2 is made to be applicable to various sizes of lamp stand.

Referring to Fig. 9 and Figure 10, the cross section of lamp stand 13 is a circle, its diameter For D, a length of W of the median surface 23 of anchor ear 2, a height of H, two bolts hole Beeline between 211 is L, and this anchor ear 2 actual production is desirable excellent when arranging Select state, i.e. the arcuate arc of median surface 23 is that a minor arc (includes 180 ° of central angle Situation), i.e. H≤W/2.

During assembling, when arcuate surface 231 contacts with lamp stand 13, as long as ensureing D L；When inner concave 233 contacts with lamp stand 13,

(1) as D H, owing to the diameter D of lamp stand 13 is less than median surface 23 High H, fix in two of inner concave 233 district 234 cannot simultaneously with lamp stand 13 Touch, and the median plane of inner concave 233 also cannot touch with lamp stand 13, so Lamp stand 13 cannot consolidate in median surface 23.

(2) as D=H, lamp stand 13 is just embedded in the indent of median surface 23 In face 233.

(3) as D > H time, as long as ensure D L lamp stand 13 can be fixed on In inner concave 233, now H D L.

In sum, the length of the median surface 23 of this anchor ear 2 and high and bolt hole The beeline of 211 should meet following condition: D L.At this moment two kinds it are divided into Situation: as H≤D L, two anchor ears 2 can formal dress or the most anti-simultaneously Dress；As D H, two anchor ears 2 can only the most counter fill.

Refer to Figure 11 and Figure 12, in anchor ear 3 second embodiment, arcuate surface In the outer fixing district 332 of 331, multiple outer salient point 3323 is set, inner concave 333 Fix district 334 in two and multiple interior salient points 3343, this outer salient point respectively are set 3323 is the point-like body protruding from arcuate surface 331, and this interior salient point 3343 is for protruding Point-like body in inner concave 333.This salient point (includes outer salient point 3323 and convex Point 3343) increase the frictional force of contact surface with lamp stand when contacting, the most such as This, it is often more important that the paint card of coating outside lamp stand 13 can be fallen by it, makes Metal level directly contacts with anchor ear 3 thus electrically conducts, and makes adjustable type LED street lamp 1 connects the earth by lamp stand 13, it is to avoid the generation of leaky. Outside outer salient point 3323 and interior salient point 3343, its of the second embodiment anchor ear 3 His structure, function are all identical with first embodiment anchor ear 2 with usage.As A kind of deformation, outer fixing district 232 and/or the interior fixing district 234 of anchor ear 3 can also Multiple tip cone outwardly or the bossy body of other shapes are set, it is also possible to By salient point and/or multiple tip cone outwardly and/or a plurality of sawtooth striped Arrange simultaneously, arrange according to actual production demand difference.

Refer to Figure 13, in anchor ear 4 the 3rd embodiment, outside median surface 43 The outer fixing district 432 of convex surface 431 is a curved indentations 432 being matched with lamp stand, The interior fixing district 434 of inner concave 433 is plane.When this anchor ear 4 formal dress, lamp The two-part structure of bar 13 is stuck in the interior fixing district 434 of two planes； When this anchor ear 4 is counter fill time, a part for lamp stand is placed exactly in outer fixing district 432 Curved indentations 432 in.In addition, other knots of the 3rd embodiment anchor ear 4 Structure, function are all identical with first embodiment anchor ear 2 with usage.As one Deformation, outer fixing district 432 only can be set to curved indentations and protect by this anchor ear 4 Hold interior fixing district 434 identical with the structure of first embodiment anchor ear 2, or only will Fix district 434 in two to be set to plane and fix outward the structure at district 432 and adopt With identical with the structure of first embodiment anchor ear 2.Deform as another kind, outward Fix district 432 and interior fixing district 434 is respectively provided with the song being matched with lamp stand 13 radian Face groove 432 is to expand the contact area between anchor ear 4 and lamp stand 4.Curved surface is recessed Can arrange at the plane in groove 432 and/or interior fixing district 434 zigzag striped and / or salient point and/or multiple tip cone outwardly.Deform as another kind, Fix in two and be also provided with phase at the curved indentations being matched with lamp stand 13 in district 434 Isostructural striped.

As a kind of modification, the outer fixing district 232 of anchor ear 2 and/or interior fixing district 234 can be arranged to other coating removal structures fallen by paint card, concrete condition root Border Production requirement is arranged factually.

Compared with prior art, embracing in this utility model adjustable type street lamp 1 Hoop 2 is by arranging outer fixing district 232 at its arcuate surface 231, at inner concave 233 Interior fixing district 234 is set, fixes district and (include outer fixing district 232 and/or interior card Gu district 234) it is possible not only to increase its frictional force with lamp stand 13 contact surface, keep away Exempt from lamp stand 13 and skid so that lamp stand 13 is firm in anchor ear 2 in anchor ear 2, logical After fixing district 232 outside, jagged outer burr 2321, interior fixing district 234 are set Jagged interior burr 2341 is set, or fixes district 232 and/or interior card outside Gu district 234 arranges multiple outer salient point and/or multiple interior salient point and/or multiple tip Cone outwardly so that outer fixing district 232 or interior fixing district 234 and lamp stand 13 The paint card coated outside it can be fallen when contacting, make metal level directly with Anchor ear 2 contacts thus electrically conducts, and makes the electricity in adjustable type L ED street lamp The earth is imported, it is to avoid the generation of leaky along lamp stand 13.By by lamp Shank diameter D, a length of W of median surface 23, a height of H, two bolts hole 211 Between beeline be that L is arranged to following parameter: H≤D L and H W/2, makes two anchor ears 2 can simultaneously formal dress or the most anti-dress.

By arranging multi-step in lock chamber 181, by the end of lamp stand 13 It is placed on wherein one layer of step of ladder 1811, makes the end of lamp stand 13 often raise / reducing a step, it increases/reduces 5 ° with the angle of lock chamber 181 bottom surface, So that the angle between lamp holder 11 and lamp stand 13 regulates in units of 5 °, Avoid the limitation of angle between lamp holder 11 and lamp stand 13.By by step 1811 are arranged to first step 18111, second step the 18112, the 3rd step 18113, the 4th step the 18114, the 5th step 19115 and high-rise step 18116 These six layers of steps, so the angle between lamp holder 11 and lamp stand 13 can be adjusted flexibly Whole 5 °～150 °, i.e. empty to right angle the most upward in lamp holder 11 face down Interior angle adjustable range expands 1/6.By step plane of structure and/or The striped of a plurality of projection is set on vertical plane, make one end of lamp stand 13 with wherein one layer During step contact, the striped of this plurality of projection plays the effect of increasing friction force.

The foregoing is only preferred embodiment of the present utility model, and need not To limit this utility model, all made within principle of the present utility model appoint What amendment, equivalent and improvement etc. all should comprise protection model of the present utility model Within enclosing.

Claims (10)

1. an adjustable type LED street lamp, it includes that one fixes Chamber, arranges integrated anchor ear in lock chamber, anchor ear is used for will Lamp stand one end is fixed in lock chamber, it is characterised in that: anchor ear bag Include two symmetrical end faces and a median surface, this median surface position Between two end faces, median surface is domed, and its face outwardly is Arcuate surface, face inwardly are inner concave, and this inner concave is provided with District is fixed at least one pair of.

2. adjustable type LED street lamp as claimed in claim 1, its It is characterised by: be provided with outside at least one on described arcuate surface and fix district.

3. adjustable type LED street lamp as claimed in claim 2, its It is characterised by: lamp stand coordinates with inner concave and carries out formal dress, at least one Internally fix district to contact with lamp stand；Lamp stand coordinates with arcuate surface and carries out Anti-dress, at least one pair of outer district that fixes contacts with lamp stand.

4. adjustable type LED road as claimed in claim 2 or claim 3 Lamp, it is characterised in that: in described interior fixing district and/or outer fixing district A plurality of zigzag striped and/or multiple salient point and/or multiple point are set End cone outwardly.

5. adjustable type LED road as claimed in claim 2 or claim 3 Lamp, it is characterised in that: described interior fixing district and outer fixing Qu Shangshe Putting a plurality of zigzag striped, the degree of depth of zigzag striped is 0.5-2mm。

6. adjustable type LED street lamp as claimed in claim 1, its Being characterised by: the cross section of lamp stand is a circle, its a diameter of D embraces A height of H of the median surface of hoop, two end faces of this anchor ear are respectively provided with One bolt hole, the beeline of two bolts hole is L, H≤D L, anchor ear formal dress or counter fill.

7. adjustable type LED street lamp as claimed in claim 1, its Being characterised by: the cross section of lamp stand is a circle, its a diameter of D embraces The a height of H of median surface of hoop, two end faces of this anchor ear are respectively provided with one Bolt hole, the beeline of two bolts hole is L, D H, embraces The anti-dress of hoop.

Adjustable type LED road the most as claimed in claims 6 or 7 Lamp, it is characterised in that: a length of W of median surface, H of anchor ear≤ W/2。

9. adjustable type LED street lamp as claimed in claim 1, its It is characterised by: be arranged in parallel in lock chamber two identical ladders, Each ladder include first step, second step, the 3rd step, 4th step, the 5th step and high-rise step, lamp stand one end is positioned at During three steps, the setting angle of its correspondence is 0 °, lamp stand one end Be positioned at second, four steps time, the setting angle of its correspondence is+5 ° or-5 °, lamp stand one end is positioned at first, five steps time, it is right The setting angle answered is+10 ° or-10 °.

10. adjustable type LED street lamp as claimed in claim 1, its It is characterised by: bolt hole is set on end face, its a diameter of A, coordinates The diameter of bolt size of bolt hole is that the relation that B, A and B meet is A=(1.1～1.2) B.