CN201149185Y

CN201149185Y - Angle-adjustable type LED road lamp

Info

Publication number: CN201149185Y
Application number: CNU2008200920403U
Authority: CN
Inventors: 张志海; 吴新慧
Original assignee: Dongguan Kingsun Optoelectronic Co Ltd
Current assignee: Dongguan Kingsun Optoelectronic Co Ltd
Priority date: 2008-01-28
Filing date: 2008-01-28
Publication date: 2008-11-12
Anticipated expiration: 2018-01-28

Abstract

The utility model relates to an adjustable-angle LED street lamp. A rotatable fixing and connecting frame is installed between the top end of a supporting rod and the middle part on the back surface of a lamp base, and the fixing and connecting frame is composed of a supporting rod fixing frame and a lamp base fixing frame which are mutually hinged. In addition, a set of screw hinged device which is formed by right thread and left thread which are mutually matched is adopted on the fixing and connecting frame of the adjustable-angle LED street lamp, and can prevent the natural loosing during the normal use. The adjustable-angle LED street lamp can ensure the illuminate angle of the lamp base on the premise of the reliability of the structural connections of all the parts being ensured, and can meet the illuminate requirements under the different road conditions, for the production process, the street lamp structure is not needed to be changed based on the illuminate requirements during the production, and the production steps are simplified; more importantly, the balanced stress of all the parts are allowed through the connection between the supporting rod and the middle part on the back surface of the lamp base, the inner sealing ring of the lamp base can not be squeezed to lead the sealing ring to be deformed to cause the water leakage, and the waterproof performance can be enhanced.

Description

Angle adjustable formula LED street lamp

Technical field

The utility model belongs to lighting field, particularly a kind of angle adjustable formula LED street lamp.

Background technology

Existing the most widely used road-light light-source generally all adopts high-pressure mercury lamp, the voltage of this light source works is very high, and the power that consumes is also very big, is paying attention to security and energy-conservation today, this street lamp is no longer suitable, so people carry out technological improvement to it always.When new type light source great power LED technology reached its maturity, street lamp adopted great power LED also generally to get up gradually as the scheme of light source.In the stage that high-pressure mercury lamp street lamp and high-power LED street lamp replace, most LED street lamp is still continued to use the framework pattern of high-pressure mercury lamp, promptly adopt original lamp holder model to design led light source, and adopt original integral type lamp stand to support lamp holder, simplify production procedure and reduce production costs with this.Because the light of led light source has stronger directionality, so in order to reach road lighting effect preferably, general way is that the direction of illumination that changes light source adapts to the road lighting requirement with this by the angle of bend of adjustment lamp stand.Therefore, just need carry out different adjustment to the state of street lamp post in the production phase in different road conditions, that is to say the street lamp at different road conditions, its production procedure also needs to adjust, so just be unfavorable for producing in batches, also be unfavorable for follow-up installation procedure.In addition, present street lamp generally all is that a side by lamp holder is connected with lamp stand, therefore after installing, because the factor that self gravitation and air flow, lamp holder can be subjected to very big torsion, like this must be on lamp holder and lamp stand junction reinforcement material reliability of structure, general way is to strengthen the material thickness of junction on the lamp holder, the waste that can produce material in the making of lamp holder; Similarly,, make each position of lamp holder stressed extremely unbalanced, so lamp holder interior waterproof sealing ring can be squeezed and produce distortion, can cause lamp holder inside the slit to occur like this and leak, reduce the waterproof effect of lamp holder because lamp holder influences by torsion.

Summary of the invention

In order to overcome some defectives of above-mentioned street lamp, the utility model proposes a kind of angle adjustable formula LED street lamp, it can be by producing in batches, can adjust the irradiating angle of lamp holder when mounted easily, to reach best illuminating effect, and can save the part material, more can improve the waterproof effect of road lamp cap.

The utility model realizes that the technical scheme of above-mentioned effect is as follows: angle adjustable formula LED street lamp, comprise the lamp stand that supports street lamp, be connected in the pole on the lamp stand, and be fixed in lamp holder on the pole, it is characterized in that, be connected by one fixedly connected between pole top and the middle part, the lamp holder back side, this fixedly connected comprises by screw rod hinged strut fixation frame and lamp holder fixed mount two parts; Have internal diameter and the trepanning that pole top external diameter matches on the described strut fixation frame, have hook on the lamp holder fixed mount, described lamp holder is provided with the draw-in groove that matches with above-mentioned hook; Described screw rod two ends have anticlockwise anti-pitch thread, and these screw rod two ends have two anti-tooth screws that are provided with dorsad, be respectively arranged with a locking nut on two anti-tooth screws, described locking nut has clockwise positive pitch thread, described anti-tooth screw has internal thread and external screw thread, the anti-pitch thread of its internal thread and above-mentioned screw rod is complementary, and the positive pitch thread of its external screw thread and above-mentioned locking nut is complementary; Extend two symmetrically arranged connecting pins by cover hole wall both sides on the described strut fixation frame, the end of this connecting pin have over against hinge hole; The cross section of described lamp holder fixed mount is the H shape, and both sides have the connecting plate of two symmetries, have on the connecting plate top over against hinge hole, the bottom has described hook; The back of described lamp holder has many heat sinks, and wherein two heat sink tops that are positioned at symmetric position are respectively equipped with the draw-in groove that extends along the heat sink length direction, and the cross section of this draw-in groove and the cross section of above-mentioned hook match; Fix by screw between described hook and the draw-in groove.

After adopting above-mentioned technical scheme, the utility model can all adopt with a kind of technological process of production and produce in batches at the street lamp of various road conditions demands, has simplified production stage; When installing,, can adjust the angle that installs and fixes of lamp holder easily, reach the road lighting requirement, to produce best illuminating effect at different road conditions.In addition, be connected with middle part, the lamp holder back side to support the weight of lamp holder by pole, make lamp holder its each position when being subjected to gravity stressed evenly, common relatively street lamp does not need the thickness that strengthens material structure with the pole junction on the lamp holder so just can to save certain material to guarantee reliability; And each position stress equalization of lamp holder, can not make the sealing ring extrusion of installing additional in the lamp holder, the slit that can not cause lamp holder inside to occur leaking like this, the waterproof effect of lamp holder also greatly improves.

Description of drawings

Fig. 1 is a confined state schematic diagram of the present utility model;

Fig. 2 is a STRUCTURE DECOMPOSITION view of the present utility model;

Fig. 3 is a confined state side schematic view of the present utility model;

Fig. 4 is the decomposing state schematic diagram among the utility model Fig. 3;

Fig. 5 is an A place enlarged drawing among the utility model Fig. 3.

The specific embodiment

The utility model is a kind of LED street lamp of angle adjustable, and it comprises lamp holder 1, pole 2 and lamp stand three parts composition.With reference to the accompanying drawings, the utility model is elaborated.

Lamp holder 1 comprises the Lights section, optical element, radiator portion and power unit composition, the array that the Lights section is made up of many groups great power LED is arranged by rule and is formed, optical element is a secondary optical lens, the corresponding great power LED of each optical lens, radiator portion is positioned at the lamp holder back, heat sink 11 by many parallel arranged is formed, and power unit comprises a power-supply controller of electric 7.Pole 2 is generally adopted integral structure with lamp stand, but also can fix by modes such as bolt connections, hinged mode is then adopted in being connected between lamp holder 1 and the pole 2, to reach the purpose that conveniently to regulate the light-illuminating angle, as shown in Figure 1, fixedly connected 3 hinged between pole 2 tops and the middle part, lamp holder 1 back side by one, comprise strut fixation frame 4 and lamp holder fixed mount 5 for fixedly connected 3, strut fixation frame 4 is hinged by screw rod 6 with lamp holder fixed mount 5, power-supply controller of electric 7 is fixedly mounted on the heat sink 11, and is located between the bipod of lamp holder fixed mount 5.

As shown in Fig. 2, Fig. 3 and Fig. 4, have a trepanning 41 on the strut fixation frame 4, the internal diameter of trepanning 41 and pole 2 top external diameters are complementary, pole 2 tops are inserted in the trepanning 41, on strut fixation frame 4, be positioned at place, trepanning 41 tops and offer locating hole 43, also offer locating hole 21 on pole 2 tops and locating hole 43 corresponding positions, in locating hole 43 and locating hole 21, dog screw is installed, pole 2 can not produced after installing with strut fixation frame 4 relatively move, strengthen the stability of syndeton; On strut fixation frame 4, extend two connecting pins 44 in trepanning 41 outer wall bilateral symmetry positions, the end of connecting pin 44 have over against hinge hole 42, by this hinge hole 42 strut fixation frame 4 and lamp holder fixed mount 5 are linked together.The cross section of lamp holder fixed mount 5 is the H shape, both sides have the connecting plate 51 of two symmetries, the hinge hole 52 that has symmetry on the top of connecting plate 51, this hinge hole 52 has corresponding relative position and size with hinge hole 42 on the strut fixation frame 4, between hinge hole 42 and hinge hole 52, be interspersed with screw rod 6, make strut fixation frame 4 and lamp holder fixed mount 5 hinged; Has a pair of hook 53 in opposite directions in connecting plate 51 bottoms.Screw rod 6 two ends have anticlockwise anti-pitch thread, and have two anti-tooth screws 61 that are provided with dorsad at screw rod 6 two ends, anti-tooth screw 61 has internal thread and external screw thread, anti-pitch thread on internal thread and the screw rod 6 is complementary, external screw thread is clockwise positive pitch thread, locking nut 62 is installed on external screw thread, and locking nut 62 has clockwise positive pitch thread, is complementary with the external screw thread of anti-tooth screw 61.Like this, locking nut 62 is that positive tooth cooperates with cooperating of anti-tooth screw 61, and anti-tooth screw 61 is that anti-tooth cooperates with cooperating of screw rod 6, when locking nut 62 and anti-tooth screw 61 are in the rotary course of locking, anti-tooth screw 61 can be followed locking nut 62 and be rotated in the same way, so anti-tooth screw 61 will move to the rotation of screw rod 6 two ends, cause locking nut 62 to twist tightlyer, and anti-tooth screw 61 also is in the state that holds out against fixedly connected 3 inwall fixedly connected 3 inboard, makes strut fixation frame 4 be connected more firm with lamp holder fixed mount 5; On the contrary, when locking nut 62 and anti-tooth screw 61 are in the rotary course that unclamps, anti-tooth screw 61 also can be followed locking nut 62 and be rotated in the same way, so anti-tooth screw 61 will move to rotation to screw rod 6 third sides, thereby driving locking nut 62 contacts tightr with fixedly connected 3 outer wall, increased the resistance of locking nut 62 rotations, the probability that locking nut 62 is got loose reduces.Fit system by different screw threads between screw rod 6, anti-tooth screw 61 and the locking nut 62 has formed one and has prevented to connect the structure that gets loose, and has ensured the fastness and the stability of attaching parts effectively.

With reference to Fig. 3 and Fig. 4, promptly be hook 53 in the bottom of lamp holder fixed mount 5 upper junction plates 51, hook 53 is fixedly connected on lamp holder 1 back.Because lamp holder 1 back is provided with the heat sink 11 of many parallel arranged, therefore hook 53 directly being connected with heat sink 11 is a kind of method of attachment eaily.Two heat sink 11 tops that lamp holder 1 back is positioned at symmetric position are respectively arranged with the draw-in groove 12 that extends along the heat sink length direction, two draw-in grooves 12 can be provided with in opposite directions, also can be provided with dorsad, as shown in Figure 5, the cross section of the cross section of draw-in groove 12 and hook 53 matches, hook 53 just is interlocked after installing with draw-in groove 12, lamp holder fixed mount 5 and lamp holder 1 link together by the interlock between hook 53 and the draw-in groove 12 just, in order to prevent to produce relative slip between hook 53 and the draw-in

groove

12,12 of hook 53 and draw-in grooves are fixed by screw, this screw vertically penetrates hook 53 and draw-in groove 12, make lamp holder fixed mount 5 be connected the middle part at lamp holder 1 back side, the stress point of lamp holder fixed mount 5 on lamp holder 1 is consistent as much as possible with the position of centre of gravity of lamp holder 1 like this.The mode that connects lamp stand with respect to existing street lamp in lamp holder one side, in the utility model, lamp holder 1 each position is stressed relatively more balanced, does not need the thickness that strengthens material structure with pole 2 junctions on the lamp holder 1 so just can to save certain material to guarantee reliability; The sealing ring that installs additional for waterproof in lamp holder 1 inside can not be extruded distortion because of lamp holder 1 unbalance stress yet in addition, the slit that also can not cause lamp holder 1 to occur leaking in like manner, the waterproof effect of lamp holder 1 also greatly improves like this, by the test proof, the classification of waterproof of this structure of the utility model can reach IP67, lamp holder is immersed in lamp holder inside does not have the into phenomenon of water yet in the water.In order to guarantee that hook 53 can not deviate from draw-in groove 12, the transverse width sum of hook 53 and draw-in groove 12 is greater than the heat sink at draw-in groove 12 places and the spacing between the adjacent heat sink thereof.Like this, when hook 53 was deviate from a part in draw-in groove 12, the back of hook 53 can be blocked by the heat sink adjacent with draw-in groove 12, thereby can further not deviate from and cause them to be totally released.

The utility model is on the basis of traditional street lamp connected mode, using hinged mode instead between pole and lamp holder is connected, a series of anti-loose fastening structures have been disposed in order to strengthen connection stability, both reach the purpose of conveniently adjusted lamp holder irradiating angle, also ensured the reliability that is connected between lamp holder and the pole.

Claims

1, angle adjustable formula LED street lamp, comprise the lamp stand that supports street lamp, be connected in the pole on the lamp stand, and be fixed in lamp holder on the pole, it is characterized in that: be connected by one fixedly connected between pole top and the middle part, the lamp holder back side, this fixedly connected comprises by screw rod hinged strut fixation frame and lamp holder fixed mount; Have internal diameter and the trepanning that pole top external diameter matches on the described strut fixation frame, have hook on the lamp holder fixed mount, described lamp holder is provided with the draw-in groove that matches with above-mentioned hook.

2, angle adjustable formula LED street lamp according to claim 1, it is characterized in that: described screw rod two ends have anticlockwise anti-pitch thread, and these screw rod two ends have two anti-tooth screws that are provided with dorsad, be respectively arranged with a locking nut on two anti-tooth screws, described locking nut has clockwise positive pitch thread, described anti-tooth screw has internal thread and external screw thread, the anti-pitch thread of its internal thread and above-mentioned screw rod is complementary, and the positive pitch thread of its external screw thread and above-mentioned locking nut is complementary.

3, angle adjustable formula LED street lamp according to claim 1 is characterized in that: extend two symmetrically arranged connecting pins by cover hole wall both sides on the described strut fixation frame, the end of this connecting pin have over against hinge hole.

4, angle adjustable formula LED street lamp according to claim 1, it is characterized in that: the cross section of described lamp holder fixed mount is the H shape, both sides have the connecting plate of two symmetries, have on the connecting plate top over against hinge hole, the bottom has described hook.

5, according to claim 1 or 4 described angle adjustable formula LED street lamps, it is characterized in that: the back of described lamp holder has many heat sinks, wherein two heat sink tops that are positioned at symmetric position are respectively equipped with the draw-in groove that extends along the heat sink length direction, and the cross section of this draw-in groove and the cross section of above-mentioned hook match.

6, angle adjustable formula LED street lamp according to claim 5 is characterized in that: fix by screw between described hook and the draw-in groove.