Lamp structure capable of controlling illumination range by changing opening and closing shape of reflecting cover

Abstract

The utility model discloses a lamp structure capable of controlling the illumination range by changing the opening and closing shape of a reflecting cover, which comprises a lamp cap, a lamp holder connected with the lamp cap, and a light source plate fixed in the middle of the bottom surface of the lamp holder, the reflecting cover is fixed on the lamp holder, and the edge of the bottom surface of the reflecting cover is rotatably connected with a plurality of light guide blades through a shaft rod; the reflecting cover sheets are rotationally folded or unfolded by taking the shaft rod as the center; light of the light source plate irradiates outwards from the opening of the reflecting cover. The LED lamp is reasonable in structural arrangement, the light guide blade is rotatably connected to the edge of the bottom face of the reflecting cover through the shaft rod, meanwhile, the lamp holder can be fixed to the center of the top face of the reflecting cover, and when the LED lamp is used, the unfolding or folding size of the light guide blade can be adjusted according to the size of the irradiation range; light of the light source plate irradiates outwards from an area formed by the light guide blades, convenience and effectiveness of adjustment are improved, illumination requirements of different conditions can be met, the application range of the lamp is widened, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lamps and lanterns, specifically relates to a lamp structure of controlling illumination range through changing open-close shape of reflector. BACKGROUND

[0002] The lamp is a common lighting and decoration electric appliance, which generally comprises a lamp head, a lamp holder, a light source plate and a lampshade, and although it can meet the use demand in general conditions, the connection between the lampshade and the lamp holder is fixed connection, the shape is single and fixed, and it cannot be adjusted as required, so that the illumination range is limited, and it is difficult to meet the use demand in different conditions, and the light source plate and the lampshade are fixed through screws or buckles, and the lampshade is also prone to damage, so that the applicability and practicability are limited. SUMMARY

[0003] The utility model discloses a kind of lamp structures of controlling illumination range through changing open-close shape of reflector, and the structure is reasonably arranged, and it is beneficial to improve the adjustment convenience.

[0004] The technical scheme for realizing the utility model is a kind of lamp structure of controlling illumination range through changing open-close shape of reflector, including lamp head, the lamp holder being connected with the lamp head, the light source plate being fixed in the middle part of the bottom surface of lamp holder, the reflector being fixed on the lamp holder, the bottom surface edge of the reflector is rotatably connected with a plurality of light guide vanes by shaft rod;

[0005] The reflector piece is rotated and folded or unfolded with shaft rod as center;

[0006] The light of the light source plate is irradiated outward from the opening of the reflector.

[0007] Further preferably, the reflector is a horn-shaped cover body;

[0008] The outer wall middle part of the lamp holder is fixed with support convex ring;

[0009] The lower part of the lamp holder is inserted in the top of the horn-shaped cover body, and the support convex ring is attached to the top surface of the horn-shaped cover body and fixed by screw;

[0010] The light guide vane is connected to the bottom edge of the horn-shaped cover body.

[0011] Further preferably, the light guide vane is an isosceles triangular vane or an isosceles trapezoidal vane;

[0012] The bottom edge of the isosceles triangular vane or the long bottom edge of the isosceles trapezoidal vane is connected to the bottom edge of the horn-shaped cover body.

[0013] Further preferably, the diameter of the shaft rod is the same as the inner diameter of the shaft hole on the light guide vane;

[0014] The shaft and the light guide blade are rotationally limited by friction.

[0015] Further preferably, the blade is a plastic structure or an acrylic structure.

[0016] Further preferably, the lamp holder is a cylindrical lamp holder.

[0017] The utility model has the positive effect: the utility model discloses the structure is reasonable, and it can be rotatable to connect the light guide blade through the shaft at the bottom surface edge of the reflector cover, and the lamp holder can be fixed at the top surface center of the reflector cover, when using, can adjust the light guide blade to open or close the size according to the size of the illumination range, makes the light of light source board from the area formed by the light guide blade radiate outward, improves the convenience and effectiveness of adjustment, also is favorable to meet the illumination demand of different situations, improves its application range, and the practicality is strong.

[0018] And it is not easy to cause damage, and it is beneficial to improve the overall service life, and the practicality is strong. ACCURACY

[0019] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the attached drawing, the utility model is further detailed, wherein:

[0020] Figure 1 It is the structure schematic diagram of the utility model;

[0021] Figure 2 It is the split structure schematic diagram of the utility model;

[0022] Figure 3 It is the structure schematic diagram when the utility model is closed;

[0023] Figure 4 It is the structure schematic diagram when the utility model is opened.

[0024] The drawing mark: lamp cap 1, lamp holder 2, light source board 3, reflector cover 4, shaft 5, light guide blade 6, support convex ring 7. CONCRETE IMPLEMENTING METHOD

[0025] The technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection. EMBODIMENT

[0026] See Figures 1 to 4As shown, a lamp structure for controlling light illumination range by transforming the opening and closing shape of the reflector cover, comprising a lamp head 1, a lamp holder 2 connected with the lamp head, a light source plate 3 fixed in the middle of the bottom surface of the lamp holder, and in the embodiment, the lamp holder is a cylindrical lamp holder. The lamp holder, the lamp head and the light source plate are all conventional structures of the prior art, and only simple application is made, so they are not described in detail.

[0027] Meanwhile, a reflector cover 4 is fixed on the lamp holder, and a plurality of light guide vanes 6 are rotatably connected with the edge of the bottom surface of the reflector cover through a shaft 5. In the embodiment, the diameter of the shaft is the same as the inner diameter of the shaft hole on the light guide vane, and the shaft and the light guide vane are rotationally limited through friction. That is, under the action of external force, the light guide vane rotates around the shaft as the fulcrum, and when there is no external force, the stability of the position of the light guide vane can be ensured, the effectiveness and stability of the adjustment are improved, and in use, the reflector cover piece rotates around the shaft as the center to fold or unfold; the light of the light source plate is irradiated outward from the opening of the reflector cover. The adjustment can be made according to the requirements of the required illumination range, the utilization rate of light is improved, edge light leakage is avoided, and the use stability and reliability are improved.

[0028] In actual application, the reflector cover is a horn-shaped cover body; a supporting convex ring 7 is fixed in the middle of the outer wall of the lamp holder; in assembly, the lower part of the lamp holder is inserted into the top of the horn-shaped cover body, and the supporting convex ring is attached to the top surface of the horn-shaped cover body and fixed through screws; and the light guide vanes are connected to the bottom edge of the horn-shaped cover body. Through the above structure, the convenience and reliability of the connection between the lamp holder and the reflector cover can be improved, and the disassembly and maintenance operation is facilitated.

[0029] Meanwhile, in actual application, the light guide vanes are isosceles triangular vanes or isosceles trapezoidal vanes; in assembly, the bottom edge of the isosceles triangular vane or the long bottom edge of the isosceles trapezoidal vane is connected to the bottom edge of the horn-shaped cover body. Through the above structure, the effectiveness and reliability of folding can be ensured.

[0030] In actual application, the vanes are plastic structures or acrylic structures.

[0031] The utility model has the positive effect: the structure of the utility model is reasonable, the light guide vane is rotatably connected with the edge of the bottom surface of the reflector cover through a shaft, meanwhile, the lamp holder can be fixed on the top surface center of the reflector cover, in use, the size of the light guide vane can be adjusted to expand or fold according to the size of the illumination range, the light of the light source plate is irradiated outward from the area composed of the light guide vanes, the convenience and effectiveness of adjustment are improved, different lighting requirements can be met, the application range is improved, and the utility model is practical;

[0032] Moreover, damage is not easy to cause, the overall service life is improved, and the utility model is practical.

[0033] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description in the specification can also be directly processed according to the existing technical knowledge without doubt, meanwhile, the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment all adopt the conventional models in the existing technology, so the specific description is not made here.

[0034] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation to the embodiments of the utility model. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The changes or variations extended from the essential spirit of the utility model and obvious to the skilled in the art still belong to the protection scope of the utility model.

Claims

1. A lamp structure for controlling the light irradiation range by transforming the opening and closing shape of a reflector, comprising a lamp head, a lamp holder connected to the lamp head, and a light source plate fixed to the middle part of the bottom surface of the lamp holder, characterized in that: The lamp holder is fixed with a reflecting cover, and the bottom edge of the reflecting cover is rotatably connected with several light guiding blades through a shaft rod; The reflecting cover pieces rotate and fold or unfold around the shaft rod as the center; The light of the light source plate is radiated outward from the opening of the reflecting cover.

2. The light fixture structure of claim 1, wherein: The reflecting cover is a horn-shaped cover body; The outer wall of the lamp holder is fixed with a supporting convex ring in the middle part; The lower part of the lamp holder is inserted into the top of the horn-shaped cover body, and the supporting convex ring is attached to the top surface of the horn-shaped cover body and fixed through a screw; The light guiding blades are connected to the bottom edge of the horn-shaped cover body.

3. The light fixture structure of claim 2, wherein: The light guiding blades are isosceles triangular blades or isosceles trapezoidal blades; The bottom edge of the isosceles triangular blade or the long bottom edge of the isosceles trapezoidal blade is connected to the bottom edge of the horn-shaped cover body.

4. The light fixture structure of claim 3, wherein: The diameter of the shaft rod is the same as the inner diameter of the shaft hole on the light guiding blade; The shaft rod and the light guiding blade are rotationally limited through friction force.

5. The light fixture structure of claim 1, wherein: The blades are plastic structures or acrylic structures.

6. The light fixture structure of claim 1, wherein: The lamp holder is a cylindrical lamp holder.

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