CN206943968U - LED spotlight - Google Patents

Abstract

The utility model belongs to technical field of lamps; a kind of more particularly to LED spotlight; including LED light group, radiator, glass cover and protection ring cover; radiator lower end is provided with buck plate; LED light group is fixed on the lower surface of buck plate; protection ring cover includes ring cover body, and the upper ring surface of ring cover body is fixedly connected with the lower surface of buck plate, and upper sealing ring is provided between upper ring surface and buck plate；Ring cover body lower end is fixed in the capping of glass cover, lower seal is provided between glass cover and the lower anchor ring of ring cover body, the madial wall of ring cover body is collectively forming the waterproof sealing area for housing LED light group with buck plate and glass mask, and LED light group is located in the waterproof sealing area.LED spotlight of the present utility model; by setting protection ring cover in radiator lower end, sealing ring is set between protection ring cover and buck plate, lower seal is set between glass cover and protection ring cover; so that rainwater can not contact with LED light group, LED light group damage is avoided.

Description

LED spotlight

Technical field

The utility model belongs to technical field of lamps, more particularly to a kind of LED spotlight.

Background technology

LED (light emitting diode) shot-lights are just gradually being widely used as greatly due to its good illuminating effect and relatively low energy consumption The lighting apparatus of the facilities such as type stage, gymnasium.

At present, the protective cover of existing LED spotlight is more due to cost considerations is simply assemblied in LED spotlight, but existing Some protective covers can not form the protection of sealing to LED spotlight, i.e., can not realize waterproof due to the limitation of its structure design, And it is also easy to side light leak occur；Do not have radiating effect also simultaneously.

Utility model content

The purpose of this utility model is to provide a kind of LED spotlight, it is intended to solves the protective cover of the LED spotlight of prior art The technical problem of waterproof can not be realized.

To achieve the above object, the technical solution adopted in the utility model is：A kind of LED spotlight, including LED light group, dissipate Hot device, glass cover and protection ring cover, the lower end of the radiator are provided with buck plate, and the LED light group is fixed on the assembling The lower surface of plate, the protection ring cover include ring cover body, the upper ring surface of the ring cover body and the lower surface of the buck plate It is fixedly connected, and upper sealing ring is provided between the lower surface of the upper ring surface and the buck plate；

The glass cover capping is fixed on the lower anchor ring of the ring cover body, and the glass cover and the ring cover Lower seal is provided between the lower anchor ring of body, madial wall, the buck plate and the glass mask of the ring cover body are total to The waterproof sealing area to be formed for housing LED light group is set with enclosing, the LED light group is located in the waterproof sealing area.

Further, the upper ring surface offers the upper sealing ring groove for installing the upper sealing ring, the upper sealing Circle is embedded in the closure gasket groove, and the upper sealing ring abuts with the lower surface of the buck plate.

Further, the upper ring surface is further opened with some spaced screwed holes, and the buck plate offers some Individual tapped through hole, each tapped through hole are corresponded and are bolted to connection with each screwed hole.

Further, the also upward projection in the outward flange of the upper ring surface is formed with upper ring convex side, the upper ring surface and described Formed with the upper limit annular groove that the buck plate is set for card between upper ring convex side, the outward flange of the buck plate is arranged in described In upper limit annular groove.

Further, the inward flange of the lower anchor ring is further opened with assembling step, the assembling step and the glass surface Between the upper surface of lid the lower sealing is embedded at formed with the lower sealing ring groove for housing lower seal, the lower seal In annular groove.

Further, the also downward projection in the outward flange of the lower anchor ring is formed with lower ring convex side, the lower anchor ring and described It is arranged between lower ring convex side formed with the lower limit annular groove that the glass cover is set for card, the outward flange of the glass cover In the lower limit annular groove.

Further, the lower ring convex side is provided with least one neck, and the glass cover passes through movable buckle and institute Protection ring cover is stated to connect and fix, described movable buckle one end is fixedly connected with the glass cover, the movable buckle it is another Side pressure is buckled in the neck.

Further, the curved face of lateral wall of the protection ring cover, the top edge of the arcwall face and the upper ring convex Side smoothly connects, and the lower edge of the arcwall face smoothly connects with the lower ring convex side.

Further, the radiator includes overhead guard, heat-conducting plate, some fin and some fixed columns, each fixation Post is uniform and the upper end of each fixed column is connected to the outward flange of the overhead guard, lower end and the assembling of each fixed column Plate is fixedly connected, and the buck plate is fixedly connected with the heat-conducting plate, and each fin is fixed on the overhead guard in layered laminate Between the buck plate.

Further, the protection ring cover is heat dissipation ceramic protection ring cover.

The beneficial effects of the utility model are：LED spotlight of the present utility model, assembled by being set in radiator lower end Plate, and LED light group is fixed on the lower surface of buck plate, realize effective radiating to LED light group；Due under buck plate Be provided with protection ring cover on end face, and protection ring cover covered by glass cover, in this way, join protection ring cover, buck plate and Glass cover encloses jointly sets the waterproof sealing area to be formed and sealing protection is carried out to LED light group；Meanwhile in the upper ring surface of ring cover body Upper sealing ring is set between the lower surface of buck plate, and under being set between glass cover and the lower anchor ring of ring cover body it is close Seal, sealing and ring cover body and the glass for strengthening changing between cover body and buck plate by upper sealing ring and lower seal Sealing between cover, the sealing in waterproof sealing area is further enhanced, LED light group is carried out so as to effectively close Envelope protection so that the liquid substance such as rainwater can not contact with LED light group, and then avoid LED light group moisture damage, while also carry The ability of the high anti-side light leak of LED spotlight equipped with protection ring cover.

Brief description of the drawings

, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the configuration schematic diagram for the LED spotlight that the utility model embodiment provides；

Fig. 2 is another configuration schematic diagram for the LED spotlight that the utility model embodiment provides；

Fig. 3 is the overall structure diagram for the LED spotlight that the utility model embodiment provides；

Fig. 4 is the structural representation of the protection ring cover for the LED spotlight that the utility model embodiment provides；

Fig. 5 is another structural representation of the protection ring cover for the LED spotlight that the utility model embodiment provides；

Fig. 6 is the buck plate of LED spotlight and the structural representation of heat-conducting plate that the utility model embodiment provides；

Fig. 7 is the buck plate of LED spotlight and another structural representation of heat-conducting plate that the utility model embodiment provides.

Wherein, each reference in figure：

10-LED light group, 20-radiator, 21-overhead guard

22-fin, 23-fixed column, 24-suspension bracket

25-retainer ring bar 26-heat-conducting plate, 27-buck plate

30-protection ring cover 31-ring, 32-upper ring surface of cover body

33-go up sealing ring 34-upper ring convex side 35-upper limit annular groove

36-madial wall, 37-waterproof sealing area, 38-arcwall face

40-glass cover 211-212-assembling block of lower pilot hole

221-tapped through hole, 222-fixing hole, 223-accommodating cavity

224-go up pilot hole 311-screwed hole, 312-neck

313-lower anchor ring 314-lower ring convex side 315-lower limit annular groove

316-lower seal.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining the description of accompanying drawing 1~7 is exemplary, it is intended to for explaining the utility model, and it is not intended that to this practicality New limitation.

In description of the present utility model, it is to be understood that term " length ", " width ", " on ", " under ", " preceding ", The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached Orientation or position relationship shown in figure, it is for only for ease of and describes the utility model and simplify to describe, rather than instruction or hint Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this The limitation of utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.

As shown in Figures 1 to 3, the utility model embodiment provides a kind of LED spotlight, including LED light group 10, radiator 20th, glass cover 40 and protection ring cover 30, the lower end of radiator 20 are provided with buck plate 27, and LED light group 10 is fixed on buck plate 27 Lower surface, protection ring cover 30 include ring cover body 31, and the lower surface of the upper ring surface 32 and buck plate 27 of ring cover body 31 is fixed Connection, and upper sealing ring 33 is provided between the lower surface of upper ring surface 32 and buck plate 27；

The capping of glass cover 40 is fixed on the lower anchor ring 313 of ring cover body 31, and glass cover 40 and ring cover body 31 Lower anchor ring 313 between be provided with lower seal 316, madial wall 36 and buck plate 27 and the common shape of glass mask of ring cover body 31 Into the waterproof sealing area 37 for housing LED light group 10, LED light group 10 is located in waterproof sealing area 37.

Specifically, tapped through hole 221, radiator 20 and the company of being bolted of buck plate 27 can be offered on buck plate 27 Connect.LED light group 10 includes some densely arranged LED luminescence units, and LED luminescence units are intensive to be installed under buck plate 27 On end face.

Further, buck plate 27 can be also adhesively fixed with radiator 20 by heat-resistant adhesive, specifically, can be in buck plate 27 Upper surface coated body layer heat-resistant adhesive, and the upper surface of buck plate 27 and the lower end of radiator 20 is adhesively fixed.So, pass through Buck plate 27 and radiator 20 are adhesively fixed, the processing technology of buck plate 27 and radiator 20 is simplified, reduces LED spotlight Overall manufacturing cost.Certainly, also can be in radiator 20 and assembling to make the connection of buck plate 27 and radiator 20 more firm While plate 27 is bolted to connection, buck plate 27 and radiator 20 are adhesively fixed using heat-resistant adhesive, to cause lower end Face be provided with densely arranged LED light group 10 fitting surface will not due to densely arranged LED light group 10 weight effect and with Radiator 20 separates, and triggers security incident.

The LED spotlight of the utility model embodiment, by setting buck plate 27 in the lower end of radiator 20, and by LED light group 10 are fixed on the lower surface of buck plate 27, realize effective radiating to LED light group 10；Due in the lower surface of buck plate 27 On be fixedly installed protection ring cover 30, and protection ring cover 30 is covered by glass cover 40, in this way, join protection ring cover 30, Buck plate 27 and glass cover 40 enclose jointly sets the waterproof sealing area 37 to be formed to the sealing protection of LED light group 10；Meanwhile in ring cover Upper sealing ring 33 is set between the upper ring surface 32 of body 31 and the lower surface of buck plate 27, and in glass cover 40 and ring cover sheet Lower seal 316 is set between the lower anchor ring 313 of body 31, passes through upper sealing ring 33 and the reinforcing ring cover body 31 of lower seal 316 The sealing between sealing and ring cover body 31 and glass cover 40 between buck plate 27, is further enhanced anti- The sealing in water-stop area 37, so as to effectively carry out sealing protection to LED light group 10 so that the liquid substance such as rainwater can not Contacted with LED light group 10, and then avoid the moisture damage of LED light group 10, while also improve the LED equipped with protection ring cover 30 The ability of the anti-side light leak of shot-light.

In the present embodiment, as shown in Figure 1, Figure 4 and Figure 5, upper ring surface 32 is offered for installing the upper close of sealing ring 33 Seal ring groove, upper sealing ring 33 are embedded in closure gasket groove, and upper sealing ring 33 abuts with the lower surface of buck plate 27.

Specifically, the latter half of upper sealing ring 33 is embedded in upper sealing ring groove, and the installation position of upper sealing ring groove Close to the edge inward flange of upper ring surface 32.By the way that the lower half of upper sealing ring 33 is embedded in upper sealing ring groove, may be such that Sealing ring 33, which can consolidate, to be installed in upper sealing ring groove and is unlikely to come off.By the way that the installation position of upper sealing ring groove is close The edge inward flange of upper ring surface 32, it may be such that sealing ring 33 and the contact position of the lower surface of buck plate 27 are located at LED light group 10 Rigging position near, and then the week of upper ring surface 32 and the lower surface of buck plate 27 in the rigging position of LED light group 10 can be realized Realization sealing is enclosed, and then may be such that upper ring surface 32 maximizes with the lower surface of buck plate 27 to the sealing protection effect of LED light group 10. Meanwhile the upper end of upper sealing ring 33 is pressed in the lower surface of buck plate 27 due to being protected the pressure of the application of ring cover 30 On, so that the fixed connection place of protection ring cover 30 and buck plate 27 will not produce gap, and then avoid the liquid such as rainwater Material is penetrated into by gap so that and LED light group 10 is protected from the influence of the liquid substances such as rainwater and the failures such as short circuit occurs, So that the light that LED light group 10 is sent will not expose along gap from the side of LED spotlight, and then LED spotlight hair is also prevented The phenomenon of raw side light leak.

Preferably, the shape of cross section of upper sealing ring groove is semicircle, and the cross section of upper sealing ring 33 is circle, upper close Seal ring groove semi-circular cross-section is identical with the radius of the circular cross section of upper sealing ring 33.So, upper sealing ring 33 can with it is upper Closure gasket groove mutually agrees with adaptation, and by the way that the cross section of upper sealing ring groove is designed as into semicircle, may be such that sealing ring 33 more It is easy to be embedded in upper sealing ring groove, as upper ring surface 32 and the lower surface of buck plate 27 move closer to, upper sealing ring 33 and assembling The contact area of the lower surface of plate 27 can also realize ascending gradually growth, and then sealing effectiveness can be better achieved.Certainly, To simplify the processing of upper sealing ring groove, the cross section of upper sealing ring groove can be designed as rectangle, so may be such that simplified protection ring The manufacturing process of cover 30 simultaneously reduces the overall manufacturing cost of LED spotlight.

Further, the manufacture raw material of upper sealing ring 33 are preferably silica gel or rubber, by being used as manufacture from silica gel The raw material of upper sealing ring 33, are remarkably improved the elastic deformability of sealing ring 33, so may be such that sealing ring 33 with During the lower surface contact of buck plate 27 it is more easy to that elastic deformation occurs, so that upper sealing ring 33 and the lower surface of buck plate 27 Contact area significantly increases, and sealing effectiveness is more preferably.

In the present embodiment, as shown in Figure 1, Figure 4 and Figure 5, upper ring surface 32 is further opened with some spaced screwed holes 311, buck plate 27 offers several tapped through holes 221, and each tapped through hole 221 is corresponded and passed through with each screwed hole 311 Bolt is fixedly connected.

Specifically, screwed hole 311 is opened in the outer edge of upper ring surface 32, and with certain between each screwed hole 311 Distance interval lay.Meanwhile tapped through hole 221 is opened in the outer edge of the lower surface of buck plate 27, and position and screw thread Hole 311 is corresponding, and interval is laid at a certain distance between each tapped through hole 221.

So, by the way that screwed hole 311 and tapped through hole 221 are opened in into upper ring surface 32 and the lower surface of buck plate 27 respectively Outer edge, it may be such that the lower surface of buck plate 27 is used for the space maximization of mounted LED lamp group 10, so can be in buck plate 27 Lower surface on LED light group 10 as much as possible is installed, so as to also be significantly improved the illumination capability of LED spotlight.Passing through will Bolt is plugged between tapped through hole 221 and screwed hole 311, may be such that upper ring surface 32 can be fixed with the lower surface of buck plate 27 Connection, and guarantee is each bolt strained uniform, and then may be such that the thrust of upper ring surface 32 that 33 each position of sealing ring obtains It is consistent so that upper sealing ring 33 keeps homogeneous to the sealing effectiveness of the lower surface of buck plate 27.By bolt by upper ring surface 32 It is fixedly connected, was both namely fixedly connected with protection ring cover 30 with buck plate 27, due to bolt with the lower surface of buck plate 27 Detachability, then achieve that the facilitation of dismounting between protection ring cover 30 and buck plate 27, and cause to LED light group 10 with And dismounting, replacing, maintenance and the maintenance of radiator 20 become easy.

Further, can be also adhesively fixed between the lower surface of upper ring surface 32 and buck plate 27 by heat-resistant adhesive, specifically, Can be in the lower surface coated body layer heat-resistant adhesive of buck plate 27, and make the lower surface of buck plate 27 and the upper ring surface 32 of protection ring cover 30 It is adhesively fixed.So, by the way that buck plate 27 and protection ring cover 30 are adhesively fixed, buck plate 27 and protection ring be further enhancing Sealing between cover 30.Certainly, also can be in protection ring cover 30 to make the connection of buck plate 27 and protection ring cover 30 more firm Upper ring surface 32 and buck plate 27 while be bolted to connection, buck plate 27 and upper ring surface 32 are bonded using heat-resistant adhesive It is fixed.

In the present embodiment, as shown in Figure 1, Figure 4 and Figure 5, the also upward projection in outward flange of upper ring surface 32 is formed with upper ring convex Side 34, forms the upper limit annular groove 35 that buck plate 27 is set for card between upper ring surface 32 and upper ring convex side 34, buck plate 27 it is outer Edge card is located in upper limit annular groove 35.

Specifically, the medial surface on upper ring convex side 34 and upper ring surface 32 are in 90 ° of angles.Pass through the inner side on upper ring convex side 34 Face and the vertical connection of upper ring surface 32, then right angle upper limit annular groove 35 can be formed, while the outward flange of buck plate 27 can also be set Be set to right angle outward flange, the outward flange of such buck plate 27 can be embedded in upper limit annular groove 35 and with the phase of upper limit annular groove 35 Adaptation, then the relative position of protection ring cover 30 and buck plate 27 would not change, and further increasing protection ring cover 30 stability being fixedly connected with buck plate 27.Simultaneously as the outward flange of buck plate 27 is embedded in upper limit annular groove 35, and And the interior angle of upper limit annular groove 35 and 27 outer peripheral turning of buck plate are all right angle, then 27 outer peripheral turning of buck plate can Abuts the interior angle of upper limit annular groove 35 when protection ring cover 30 and buck plate 27 are realized and assembled, so cause upper limit annular groove 35 and Existing gap between buck plate 27 significantly narrows, and significantly improves the sealing effect between protection ring cover 30 and buck plate 27 Fruit, further such that the LED light group 10 on buck plate 27 is isolated with introduced contaminantses such as rainwater, significantly reduce LED Lamp group 10 is made moist the probability of damage, also further enhancing the anti-side light leak performance for the LED spotlight for possessing protection ring cover 30.

Further, screwed hole 311 can be opened between ring convex side 34 and upper sealing ring groove, be so achieved that to protecting The optimization of the space utilization of retaining ring cover 30 so that three-layer sealed guard circle is formd between protection ring cover 30 and upper sealing ring groove, both Namely between upper limit annular groove 35 and the outward flange of buck plate 27 formed first layer sealing protection circle, and upper ring surface 32 then with assembling The lower surface of plate 27 is bolted to connection to form second layer sealing protection circle.Finally, it is arranged in upper sealing ring groove Upper sealing ring 33 is bonded to form third layer sealing protection circle with the lower surface of buck plate 27.

In the present embodiment, as shown in Figure 1, Figure 4 and Figure 5, the inward flange of lower anchor ring 313 is further opened with assembling step, assembling The lower sealing ring groove for housing lower seal 316 is formed between the upper surface of step and glass cover 40, lower seal 316 is embedding In lower sealing ring groove.

Specifically, the inward flange of lower anchor ring 313 offers assembling step upwards, and assembles the side wall and assembling step of step Upper surface shape angle in 90 °.Meanwhile glass cover 40 is covered on fixed lower anchor ring 313, and the upper end of glass capping Face can be bonded fixation by refractory glue with lower anchor ring 313.

By the way that the side wall for assembling step is arranged into 90 ° with assembling the angle that the upper surface of step is formed, peace may be such that The space for the inside for assembling step can be utilized to greatest extent loaded on the lower seal 316 in assembling step.By by glass Cover 40 fits with lower anchor ring 313, then glass cover 40 can be collectively forming lower sealing ring groove with assembling step, then under Sealing ring 316 is just mountable among lower sealing ring groove, and then the upper end of lower seal 316 and side are respectively with assembling step Upper surface and side wall mutually compress fitting, while the lower end of lower seal 316 compresses with the upper surface of glass cover 40 and is bonded, that Sealing is just realized by lower seal 316 between glass cover 40 and the lower anchor ring 313 of protection ring cover 30.

Further, the shape of cross section of lower seal 316 is settable circular or is designed as ellipse according to actual conditions, So, lower seal 316 is mutually agreed with lower sealing ring groove when being adapted to, because glass cover 40 and assembling step are to lower seal 316 are applied with thrust, then upper end, side and the lower end of lower seal 316 are respectively with assembling step upper surface, assembling step Side wall and the contact area of the upper surface of glass cover 40 will increase with the continuous action of thrust, and then can be better achieved To the sealing between lower anchor ring 313 and glass cover 40, the sealing between protection ring cover 30 and glass cover 40 is realized.

Further, the manufacture raw material of lower seal 316 are preferably silica gel or rubber, by being used as manufacture from silica gel The raw material of lower seal 316, are remarkably improved the elastic deformability of lower seal 316, and then may be such that lower seal 316 With assembling the upper surface of step and side wall and being more easy to when contacting with the upper surface of glass cover 40 that elastic deformation occurs, so that Lower seal 316 and the upper surface of assembling step and side wall and significantly increase with the contact area of the upper surface of glass cover 40 Greatly, sealing effectiveness is more preferably.

By using upper sealing ring 33 and lower seal 316, realize protection ring cover 30 respectively with the lower surface of buck plate 27 With the sealing of the upper surface of glass cover 40, and then realize to the madial wall 36 by ring cover body 31 and buck plate 27 and glass surface Cover the sealing for being used to house the waterproof sealing area 37 of LED light group 10 being collectively forming.And then cause in waterproof sealing area 37 LED light group 10 do not influenceed by introduced contaminants, can be achieved LED spotlight in the complicated weather condition such as weather such as sleet, sand and dust Normal operation under environment, improve the versatility of LED spotlight.

By the way that the upper surface of glass cover 40 and lower anchor ring 313 are fixed by fire resisting glue laminating, glass cover can be made 40 further enhance while being fixedly connected with protection ring cover 30 between glass cover 40 and the lower anchor ring 313 of protection ring cover 30 Sealing.Further, because the upper surface of glass cover 40 is fixed with lower anchor ring 313 by fire resisting glue laminating, then also Avoid and screwed hole 311 is opened up on glass cover 40, to be fixedly connected by bolt with lower anchor ring 313.So, due to exempting Screwed hole 311 is opened up on glass cover 40, also avoid the screwed hole 311 of glass cover 40 nearby due to stress concentration and Micro-crack is formed, so as to further obviate due to the presence of the neighbouring micro-crack of the screwed hole 311 of glass cover 40, glass sheet in addition Body quality is firmly crisp, and the working environment of glass cover 40 is hot environment, easily causes micro-crack to extend rapidly and cause glass cover 40 fragmentations, cause the potential risk of security incident.

In the present embodiment, as shown in Figure 1, Figure 4 and Figure 5, the also downward projection in outward flange of lower anchor ring 313 is formed with lower ring convex Side 314, the lower limit annular groove 315 that glass cover 40 is set for card, glass surface are formed between lower anchor ring 313 and lower ring convex side 314 The outward flange of lid 40 is arranged in lower limit annular groove 315.

Specifically, the medial surface on lower ring convex side 314 and lower anchor ring 313 are in 90 ° of angles.So, the inner side on lower ring convex side 314 Face can be with the lower vertical connection of anchor ring 313, then right angle lower limit annular groove 315 can be formed, while also can be by glass cover 40 Outward flange is arranged to right angle outward flange, and the outward flange of such glass cover 40 can be embedded in lower limit annular groove 315, and with Limited ring groove 315 is adapted, then the relative position of protection ring cover 30 and glass cover 40 would not change, so as to enter one Improve the stability that protection ring cover 30 is fixedly connected with glass cover 40 to step.

In the present embodiment, as shown in Figure 1, Figure 4 and Figure 5, at least one neck 312, glass are additionally provided with lower ring convex side 314 Cover 40 is connected and fixed by movable buckle and protection ring cover 30, and movable buckle one end is fixedly connected with glass cover 40, activity The other end clinching of buckle is in neck 312.

Specifically, neck 312 is spaced is laid on lower ring convex side 314 at a certain distance.

By setting neck 312 on lower ring convex side 314, then glass cover 40 can pass through movable buckle and protection ring Cover 30 connects and fixes, and further keeps the firm fixation between glass cover 40 and protection ring cover 30, avoids due to protection ring Be bonded between cover 30 and glass cover 40 it is insecure and so that protection ring cover 30 is separated from each other with glass cover 40, cause the accident. By by the arranged for interval at a certain distance of neck 312, may be such that the pressure that neck 312 is acted on glass cover 40 is uniformly distributed There is the phenomenon of stress concentration on glass mask, avoiding glass cover 40, enter to reduce it is cracked on glass cover 40, Crack Extension causes the accident odds that glass cover 40 ruptures.

In the present embodiment, as shown in Figure 1, Figure 4 and Figure 5, the curved face 38 of lateral wall of protection ring cover 30, arcwall face 38 Arc core is located at the outside of arcwall face 38, and the top edge of arcwall face 38 smoothly connects with upper ring convex side 34, the lower edge of arcwall face 38 Smoothly connect with lower ring convex side 314.

By the way that the lateral wall of protection ring cover 30 is arranged into arcwall face 38, and the arc core of arcwall face 38 is set to be located at arcwall face 38 outside, it thus may be such that arcwall face 38 is recessed to the inner side of protection ring cover 30, then when the LED provided with protection ring cover 30 is penetrated When lamp is in working morphology, i.e., when shot-light is horizontally or obliquely set, rainwater or liquid can be in the recess of arcwall face 38 Collect, and slipped away LED spotlight by Action of Gravity Field, so avoid rainwater or other impurities are penetrated into inside LED spotlight so that The moisture damage of LED light group 10.Smoothly connected with upper ring convex side 34 by the top edge of arcwall face 38, and cause arcwall face 38 Lower edge smoothly connect with lower ring convex side 314, then rainwater or other impurities can be eliminated in arcwall face 38 and upper ring convex side 34 junction accumulation, and then the probability penetrated into LED spotlight, effectively protect LED light group 10 from the influence of extraneous factor And damage.

In the present embodiment, as shown in Figure 1, Figure 2 and Figure 3, radiator 20 includes overhead guard 21, heat-conducting plate 26, some fin 22 and some fixed columns 23, each fixed column 23 is uniform and the upper end of each fixed column 23 is connected to the outward flange of overhead guard 21, each fixation The lower end of post 23 is fixedly connected with buck plate 27, and buck plate 27 is fixedly connected with heat-conducting plate 26, and each fin 22 is consolidated in layered laminate Due between overhead guard 21 and buck plate 27.

By setting heat-conducting plate 26, it may be such that buck plate 27 is fixedly connected with heat-conducting plate 26 first, without direct and LED Group 10 is fixedly connected, and simultaneously assembles densely arranged LED light group 10 so as to avoid buck plate 27, another side is solid with radiator 20 Connect calmly and cause buck plate 27 to lose assembly space due to two-sided fixation and reduce structural strength.So led by setting Hot plate 26, and lower pilot hole 211 is opened up on heat-conducting plate 26, pilot hole 224 is accordingly opened up on buck plate 27, is so assembled Plate 27 can be bolted to connection with heat-conducting plate 26, and the another side of heat-conducting plate 26 is then fixedly connected with LED light group 10, from And greatly save the assembly space of the lower surface of heat-conducting plate 26 so that the lower surface of heat-conducting plate 26 can install more LEDs Group 10, while the lower surface of heat-conducting plate also forms some assembling blocks 212 for mounted LED lamp group 10.Meanwhile radiator 20 In can also be provided with fixed ring stand 25, fixed ring stand 25 pass through fin 22, and company is fixed in the upper end of fixed ring stand 25 with overhead guard 21 Connect.The lower end of fixed ring stand is additionally provided with inflection structure, and inflection structure is folded at the bottom center of radiator 20, and then inflection structure can So that the fin 22 of stacked in multi-layers, from being scattered, the upper surface of buck plate 27 is additionally provided with accommodating fixed ring stand 25 The accommodating cavity 223 of the inflection structure at end and the fixing hole 222 to fixed heat sink 20.

In the present embodiment, protection ring cover 30 is heat dissipation ceramic protection ring cover 30.

By using manufacture material of the heat dissipation ceramic as protection ring cover 30, heat dissipation ceramic radiating efficiency can be made full use of The advantages of height, ceramic compactness are high so that protection ring cover 30 can additional cooler 20 heat caused by LED light group 10 is timely Dissipation is gone out.Meanwhile heat dissipation ceramic protection ring cover 30 can be on active service without obvious deformation occurs steadily in the long term in high temperature environments, enter And cause the LED light group 10 that is engaged with heat dissipation ceramic protection ring cover 30 will not due to being protected oppressing caused by ring cover 30 and It is impaired, also the use cost of LED spotlight is remarkably decreased.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of LED spotlight, including LED light group, radiator, glass cover and protection ring cover, the lower end of the radiator are provided with Buck plate, the LED light group are fixed on the lower surface of the buck plate, it is characterised in that：The protection ring cover includes ring cover sheet Body, the upper ring surface of the ring cover body are fixedly connected with the lower surface of the buck plate, and the upper ring surface and the buck plate Lower surface between be provided with upper sealing ring；

The glass cover capping is fixed on the lower anchor ring of the ring cover body, and the glass cover and the ring cover body Lower anchor ring between be provided with lower seal, madial wall, the buck plate and the glass mask of the ring cover body enclose jointly If forming the waterproof sealing area for housing LED light group, the LED light group is located in the waterproof sealing area.

2. LED spotlight according to claim 1, it is characterised in that：The upper ring surface offers described close for installing The upper sealing ring groove of seal, the upper sealing ring are embedded in the closure gasket groove, the upper sealing ring and the buck plate Lower surface abuts.

3. LED spotlight according to claim 1, it is characterised in that：The upper ring surface is further opened with some spaced Screwed hole, the buck plate offer several tapped through holes, and each tapped through hole corresponds simultaneously with each screwed hole It is bolted to connection.

4. LED spotlight according to claim 1, it is characterised in that：The also upward projection in the outward flange of the upper ring surface is formed There is upper ring convex side, formed with the upper limit annular groove that the buck plate is set for card between the upper ring surface and the upper ring convex side, The outward flange of the buck plate is arranged in the upper limit annular groove.

5. LED spotlight according to claim 1, it is characterised in that：The inward flange of the lower anchor ring is further opened with assembly bench Rank, formed with the lower sealing ring groove for housing lower seal between the assembling step and the upper surface of the glass cover, The lower seal is embedded in the lower sealing ring groove.

6. LED spotlight according to claim 1, it is characterised in that：The also downward projection in outward flange of the lower anchor ring is formed There is lower ring convex side, formed with the lower limit ring that the glass cover is set for card between the lower anchor ring and the lower ring convex side Groove, the outward flange of the glass cover are arranged in the lower limit annular groove.

7. LED spotlight according to claim 6, it is characterised in that：The lower ring convex side is provided with least one neck, institute State glass cover to connect and fix by movable buckle and the protection ring cover, described movable buckle one end is consolidated with the glass cover Fixed connection, the other end clinching of the movable buckle is in the neck.

8. LED spotlight according to claim 4, it is characterised in that：The curved face of lateral wall of the protection ring cover, it is described The top edge of arcwall face smoothly connects with the upper ring convex side, the lower edge of the arcwall face and the lower smooth phase in ring convex side Connect.

9. according to the LED spotlight described in any one of claim 1~8, it is characterised in that：The radiator includes overhead guard, heat conduction Plate, some fin and some fixed columns, each fixed column is uniform and the upper end of each fixed column is connected to the overhead guard Outward flange, the lower end of each fixed column is fixedly connected with the buck plate, and the buck plate is fixed with the heat-conducting plate to be connected Connect, each fin is fixed between the overhead guard and the buck plate in layered laminate.

10. according to the LED spotlight described in any one of claim 1~8, it is characterised in that：The protection ring cover is heat dissipation ceramic Protection ring cover.