Edge lamp
By setting first and second illumination sections in the side lights, and utilizing the acute angle design and adjustable second illumination section, the problem of truck side lights illuminating the tires or fuel tanks is solved, achieving a stable road lighting effect.
Patent Information
- Application Number
- CN202422301409.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The light from the side lights of trucks can easily shine onto the tires or fuel tank, affecting the ability to observe road conditions at night.
Design a side light having a first illumination part and a second illumination part with an acute illumination angle α between them. The second illumination part is adjustable to avoid the tires and fuel tank. The first illumination part is used to mark the shape and position of the vehicle body, and the second illumination part is used for auxiliary lighting.
It effectively prevents light from being blocked by tires and fuel tanks, improves the convenience of observing road conditions at night, and ensures the stability of lighting effects.
Smart Images
Figure CN223755223U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile accessories, in particular to a side light. BACKGROUND
[0002] The side light of the automobile, also called side light, position indicating light, wide indicating light, etc., is installed on the front, side and rear of the automobile, and is turned on to indicate the shape and position of the automobile when the automobile is running at night, and is particularly common on trucks.
[0003] Because the truck body is large, the side light on the truck currently not only plays a role in indicating the shape and position of the truck body, but also irradiates the ground downward to facilitate the truck driver to observe the road conditions when adjusting the parking position at night. Because of the different structures of the truck cabin and the shapes of the truck body, the light irradiated downward by the side light on some trucks may irradiate the tire or the oil tank, affecting the use effect, and therefore the patent provides a side light to solve the above technical problems. SUMMARY
[0004] The technical problem to be solved by the utility model is to provide a side light which can facilitate the driver to observe the road conditions when adjusting the parking position.
[0005] To solve the above technical problems, the utility model adopts the technical scheme that a side light comprises a first irradiation part and a second irradiation part, the irradiation direction of the first irradiation part and the irradiation direction of the second irradiation part have an irradiation included angle alpha, 0° < the irradiation included angle alpha < 90°. The irradiation direction of the first irradiation part and the irradiation direction of the second irradiation part have the irradiation included angle alpha, the irradiation included angle alpha is an acute angle, when the first irradiation part plays a role in indicating the shape and position of the truck body, the second irradiation part can play a role in assisting the illumination at night.
[0006] As an optional scheme, the second irradiation part is connected with the first irradiation part and rotates relative to the first irradiation part. The second irradiation part can rotate relative to the first irradiation part for adjustment, when the first irradiation part plays a role in indicating the shape and position of the truck body on the side of the truck body, the second irradiation part can be rotated to a suitable angle state, thereby avoiding the vehicle parts such as the tire and the oil tank, and better playing a role in assisting the illumination at night.
[0007] As an optional scheme, the first irradiation part comprises a first lamp cavity, a first light source is arranged in the first lamp cavity, a connecting piece is arranged outside the first lamp cavity; the second irradiation part comprises a second lamp cavity, the second lamp cavity is connected with the connecting piece and rotates relative to the connecting piece, and the second lamp cavity and the connecting piece are further connected through a fastener. The first lamp cavity is connected with the second lamp cavity, and the second lamp cavity can rotate relative to the first lamp cavity, so that the irradiation direction of the second irradiation part can be adjusted relative to the irradiation direction of the first irradiation part, facilitating the use at different positions of the truck body.
[0008] As an optional solution, the connecting piece is two connecting lugs arranged at the bottom of the first lamp cavity, the connecting lugs are provided with outer connecting holes, and a second lamp cavity connecting area is arranged between the two connecting lugs, the opposite two end faces of the second lamp cavity are provided with inner connecting holes, and the top of the second lamp cavity extends into the second lamp cavity connecting area, and the fastener passes through the outer connecting hole and the inner connecting hole to connect the second lamp cavity and the connecting lug.
[0009] As an optional solution, a locking mechanism is arranged between the connecting lug and the second lamp cavity, the locking mechanism comprises a locking protrusion and a locking groove,
[0010] the locking protrusion is arranged at the inner end face of the connecting lug, the outer end face of the locking protrusion is provided with a plurality of clamping teeth in the circumferential direction, the outer connecting hole penetrates the end of the locking protrusion, the locking groove is arranged at the side end face of the second lamp cavity, the inner end face of the locking groove is provided with a plurality of clamping grooves in the circumferential direction, the inner connecting hole is arranged in the locking groove, the locking protrusion extends into the locking groove, and each clamping tooth cooperates with each clamping groove.
[0011] or the locking protrusion is arranged at the side end face of the second lamp cavity, the outer end face of the locking protrusion is provided with a plurality of clamping teeth in the circumferential direction, the outer connecting hole penetrates the end of the locking protrusion, the locking groove is arranged at the inner end face of the connecting lug, the inner end face of the locking groove is provided with a plurality of clamping grooves in the circumferential direction, the inner connecting hole is arranged in the locking groove, the locking protrusion extends into the locking groove, and each clamping tooth cooperates with each clamping groove.
[0012] The locking mechanism is arranged, which can further prevent the second lamp cavity from rotating relative to the first lamp cavity, avoid the second irradiation part of the side lamp from being deflected during use, and affect the use effect.
[0013] As an optional solution, the locking protrusion is a cylindrical protrusion, and the locking groove is a circular groove; or the locking protrusion is a circular truncated cone protrusion, and the locking groove is a circular truncated cone groove.
[0014] As an optional solution, the first lamp source comprises a first lamp light plate and a lamp, the first lamp light plate is arranged in the first lamp cavity, and a plurality of lamps are arranged on the first lamp light plate in a distributed manner, and a light collector is arranged in the first lamp cavity corresponding to each lamp. The light collector is arranged in the first lamp cavity corresponding to each lamp, which is beneficial to improve the irradiation effect of the first irradiation part.
[0015] As an optional solution, each lamp is distributed on the first lamp light plate in a matrix manner.
[0016] As an optional solution, the first lamp cavity and / or the second lamp cavity are connected with the mounting piece.
[0017] As an optional solution, the mounting piece is arranged outside the first lamp cavity, the mounting piece is provided with a mounting hole on the side of the first lamp cavity and the top of the first lamp cavity, and the mounting hole comprises a round hole and a waist hole.
[0018] Compared with the prior art, the utility model has the beneficial effects that 1, in the side light of the patent, the first irradiation part or the second irradiation part can irradiate to the ground when being used for identifying the shape position of the vehicle body, which is convenient for the driver to observe the road condition when adjusting the parking position at night, the design that the irradiation direction of the second irradiation part and the irradiation direction of the first irradiation part have irradiation angle alpha makes the side light can avoid the components such as oil tank and tire, and better lighting effect is played;2, the irradiation direction of the second irradiation part can be adjusted relative to the direction of the first irradiation part, when installing multiple side lights of the patent on the same vehicle, according to the installation position, each side light can be adjusted, so that when the first irradiation part plays the role of identifying the shape position of the vehicle body, the second irradiation part can stably irradiate to the ground;3, the locking mechanism is still arranged between the connecting lug plate of the second lamp cavity and the first lamp cavity, under the action of the locking mechanism, the second lamp cavity position is fixed and cannot rotate relative to the first lamp cavity, thereby effectively avoiding the change of the angle between the two irradiation parts of the side light in the use process, and the stability of product use is improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creating labor for those skilled in the art.
[0020] Figure 1 It is the perspective view of the side light when the second irradiation part irradiates to the side;
[0021] Figure 2 It is the side view of the side light;
[0022] Figure 3 It is the explosion schematic view of the side light;
[0023] Figure 4 It is the structural schematic view of the first lamp source;
[0024] Figure 5 It is the structural schematic view of the second lamp source;
[0025] Figure 6 It is the perspective view of the side light when the second irradiation part irradiates downward;
[0026] In the drawing: 1, first lamp cavity, 2, first lamp source, 3, light collector cover, 4, second lamp cavity, 5, second lamp source, 6, connecting lug plate, 7, locking protrusion, 8, locking groove, 9, mounting piece, 10, mounting hole. DETAILED DESCRIPTION
[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative effort under the premise that no creative effort is made, belong to the scope of protection of the present application. Embodiment
[0028] A side light comprises a first irradiation part and a second irradiation part, the irradiation direction of the first irradiation part and the irradiation direction of the second irradiation part have an irradiation included angle a, 0° < irradiation included angle a < 90°. Please refer to Figure 2 In actual use, one of the first irradiation part and the second irradiation part irradiates to the side, and plays a role of indicating the shape and position of the vehicle body. In order to make the other one irradiate to the ground obliquely avoiding the vehicle parts such as oil tank or tire, the irradiation included angle a of the two irradiation parts should be greater than 0 degree and less than 90 degree. In the embodiment, the first irradiation part is used for irradiating to the side and plays a role of indicating the width, contour and position of the vehicle body, and the second irradiation part is used for irradiating to the ground to play a role of illuminating to the ground, which is taken as an example to describe the side light.
[0029] Since the number of side lights installed on vehicles such as cars and trucks is generally large, the installation positions of different side lights on the same vehicle are also different. The side light at some positions needs to avoid the ground illumination of the outer oil tank of the vehicle, and the side light at some positions needs to avoid the ground illumination of the tire of the vehicle. The irradiation included angle a of the side light at different installation positions is also different. If the irradiation included angle of the first irradiation part and the second irradiation part is fixed, a plurality of side lights need to be selected and purchased according to the model of the vehicle and the installation position of the side light, which is more troublesome. Therefore, in the preferred embodiment, the second irradiation part is connected with the first irradiation part and rotates relative to the first irradiation part. The second irradiation part can rotate relative to the first irradiation part. When the first irradiation part plays a role of indicating the shape and position of the vehicle body, the second irradiation part can rotate relative to the first irradiation part to avoid the parts such as the tire and the oil tank of the vehicle and irradiate to the ground.
[0030] In some embodiments of the present embodiment, the side light is preferably of a split structure, please refer to Figures 1-6 The first irradiation part comprises a first lamp cavity 1, a first light source 2 is arranged in the first lamp cavity 1. The side panel of the first lamp cavity 1 at least in the direction corresponding to the irradiation direction of the first light source 2 is of transparent material, so as to facilitate the first light source 2 to illuminate outward through the first lamp cavity 1. The first light source 2 comprises a first light plate and electric lamps. The first light plate is arranged in the first lamp cavity 1 and a plurality of electric lamps are arranged on the first light plate. The first light plate is a lamp plate of prior art. The first light plate is connected with a wire, the wire extends to the outside of the first lamp cavity 1 and is used to be connected with a power supply device to supply power to each electric lamp on the first light plate. The electric lamp can be an LED lamp or other forms of lamps.
[0031] As an optional embodiment of the present embodiment, a light cover 3 is arranged in front of each lamp in the first lamp cavity 1, the light cover 3 is a transparent conical structure and is arranged in a buckling state relative to the first lamp panel, the light emitted by each lamp on the first lamp panel is converged by the light cover 3 and then irradiates to the outside of the first lamp cavity 1. As a preferred embodiment, each lamp on the first lamp panel is distributed in a matrix shape, and each light cover 3 in the first lamp cavity 1 is also distributed in a matrix shape and corresponds to each lamp on the first lamp panel respectively.
[0032] The second irradiation part includes a second lamp cavity 4, and the second lamp cavity 4 is provided with a second lamp source 5. Similar to the first lamp cavity 1, at least the side panel of the second lamp cavity 4 in the direction corresponding to the irradiation direction of the second lamp source 5 is made of transparent material, so as to facilitate the second lamp source to irradiate to the outside through the second lamp cavity 4. The second lamp source 5 includes a second lamp panel and lamps, the second lamp panel is arranged in the second lamp cavity 4, and a plurality of lamps are arranged on the second lamp panel. The second lamp panel is also provided with a connecting line which extends to the outside of the second lamp cavity 4 and is used to connect with a power supply device to supply power to each lamp on the second lamp panel.
[0033] In some embodiments, the first lamp cavity 1 includes a first lamp holder and a first lamp cover, the first lamp cover is buckled on the mounting end face of the first lamp holder and forms the first lamp cavity 1, and the first lamp panel is arranged on the mounting end face of the first lamp holder and is covered in the first lamp cavity 1 by the first lamp cover; the second lamp cavity 4 includes a second lamp holder and a second lamp cover, the second lamp cover is buckled on the mounting end face of the second lamp holder and forms the second lamp cavity 4, and the second lamp panel is arranged on the mounting end face of the second lamp holder and is covered in the second lamp cavity 4 by the second lamp cover, and the mounting end face of the first lamp holder and the mounting end face of the second lamp holder have an included angle. The first lamp cover and the second lamp cover are made of transparent materials such as transparent acrylic plate, transparent plastic or glass.
[0034] The outside of the first lamp cavity 1 is provided with a connecting piece, the second lamp cavity 4 is connected with the connecting piece, and the irradiation directions of the first irradiation part and the second irradiation part are fixed.
[0035] As a further embodiment of the present embodiment, the second lamp cavity 4 is connected with the connecting piece and can rotate relative to the connecting piece, so that the irradiation included angle between the irradiation direction of the second irradiation part and the irradiation direction of the first irradiation part can be adjusted, and the second irradiation part can be adjusted by rotating relative to the first irradiation part, so that the irradiation direction of the second irradiation part can be adjusted according to the installation position during use, avoiding that the light is blocked by the tire, the oil tank and other parts. A fastener is further arranged between the second lamp cavity 4 and the connecting piece, after the second irradiation part is adjusted by rotating relative to the first irradiation part, the second lamp cavity 4 is connected with the connecting piece through the fastener, so as to avoid that the irradiation direction of the second irradiation part is changed due to the rotation of the second lamp cavity 4 during use.
[0036] Specifically, please refer to Figures 1-3 and Figure 6 The connecting piece includes two connecting lugs 6 arranged at the bottom of the first lamp cavity 1, the plate faces of the two connecting lugs 6 are opposite to each other, the bottom of the first lamp cavity 1 is a second lamp cavity connecting area between the two connecting lugs 6, the outer connecting holes of the two connecting lugs 6 are opposite to each other, the opposite two end faces of the second lamp cavity 4 are provided with inner connecting holes, the top of the second lamp cavity 4 extends into the second lamp cavity connecting area and the inner connecting holes are opposite to the outer connecting holes, the fastener passes through the outer connecting holes and the inner connecting holes to connect the second lamp cavity 4 and the connecting lug 6, and a certain gap is reserved between the top of the second lamp cavity 4 and the bottom of the first lamp cavity 1, so that the second lamp cavity 4 can be adjusted by rotating around the connection between the connecting lug 6.
[0037] The fastener is a screw, the inner connecting hole is a threaded hole, the screw is screwed with the inner connecting hole after passing through the outer connecting hole, the screw is tightened and the connecting lug 6 is pressed to the side face of the second lamp cavity 4 through the cap of the screw, the second lamp cavity 4 can be in close contact with the connecting lug 6 and the rotation of the second lamp cavity 4 relative to the connecting lug 6 is prevented, and after the screw is loosened, the second lamp cavity 4 can be adjusted by rotating relative to the connecting lug 6. Optionally, a fitting groove is arranged in the second lamp cavity 4, a nut is arranged in the fitting groove, the opposite two side end faces of the nut abut against the opposite two side inner walls of the fitting groove and the nut cannot rotate, the inner hole of the nut is opposite to the inner connecting hole, the screw is screwed with the inner connecting hole and also screwed with the nut, and the nut is arranged to avoid damage to the inner thread of the inner connecting hole so that the screw cannot fasten the fastener.
[0038] As a further embodiment of the embodiment, a locking mechanism is arranged between each connecting lug 6 and the second lamp cavity 4, and the locking mechanism can prevent the second lamp cavity 4 from rotating relative to the connecting lug 6.
[0039] As a specific example of the locking mechanism, the locking mechanism includes a locking protrusion 7 and a locking groove 8, the locking protrusion 7 is a cylindrical protrusion or a circular truncated cone protrusion, the locking groove 8 is a circular groove or a circular truncated cone groove adapted to the shape of the locking protrusion 7, the outer end face of the locking protrusion 7 is provided with a plurality of clamping teeth in the circumferential direction, and the inner end face of the locking groove 8 is provided with a plurality of clamping grooves in the circumferential direction, when the locking protrusion 7 extends into the locking groove 8, each clamping tooth cooperates with each clamping groove to limit the relative rotation therebetween.
[0040] The locking protrusion 7 can be arranged on the inner end face of the connecting lug 6, and the outer connecting hole on the connecting lug 6 penetrates the end of the locking protrusion 7, and the locking recess 8 is arranged on the side end face of the second lamp cavity 4 and the inner connecting hole is arranged in the locking recess 8; or the locking protrusion 7 can be arranged on the side end face of the second lamp cavity 4, and the inner connecting hole of the second lamp cavity 4 penetrates the end of the locking protrusion 7, and the locking recess 8 is arranged on the inner end face of the connecting lug 6 and the outer connecting hole is arranged in the locking recess 8.
[0041] After the second lamp cavity 4 rotates relative to the connecting lug 6, the rotating screw presses the connecting lug 6 to the side end face of the second lamp cavity 4, and at the same time, the locking protrusion 7 is pressed into the locking recess 8, and each tooth is matched with each slot, thereby effectively preventing the second lamp cavity 4 from rotating relative to the connecting lug 6, and fixing the included angle of the irradiation direction of the second irradiation part and the first irradiation part.
[0042] As another specific example of the locking mechanism, a screw hole is arranged on the connecting lug 6, a screw rod is arranged in the screw hole, and the end of the screw rod is arranged as a sharp end, a plurality of matching holes are arranged on the side end face of the second lamp cavity 4 in a circumferential direction with the inner connecting hole as the center, and the second lamp cavity 4 rotates relative to the connecting lug so that each matching hole is opposite to the screw hole, and after the second lamp cavity 4 is rotated in place, the screw rod is rotated so that the sharp end of the screw rod extends into one matching hole, and then the connecting lug 6 and the second lamp cavity 4 are connected by the screw rod, thereby avoiding the rotation of the second lamp cavity 4 relative to the connecting lug 6.
[0043] The first lamp cavity 1 and / or the second lamp cavity 4 are connected with the mounting member 9, and the mounting member 9 is a part suitable for being connected with the automobile, and the side light of the embodiment is mounted on the automobile or truck through the mounting member 9. As a preferred embodiment, since the first irradiation part is used for side irradiation and plays a role of indicating width, contour and marking vehicle shape and position, the irradiation direction thereof is relatively fixed, and therefore the mounting member 9 is arranged on the outside of the first lamp cavity 1, and in use, the mounting member 9 is mounted on the automobile or truck and fixes the irradiation direction of the first irradiation part, and then the irradiation direction of the second irradiation part is adjusted according to the mounting position on the automobile or truck.
[0044] The mounting member 9 includes a mounting plate, and the mounting plate is connected with the outside of the first lamp cavity 1, preferably connected with the back of the first lamp cavity 1 or the first lamp holder, and mounting holes 10 are arranged on the mounting plate at the side and top of the first lamp cavity 1, and the mounting plate can be connected with the automobile or truck by welding or bonding, or connected with the automobile or truck by passing through the bolts or other parts of the mounting holes 10.
[0045] The mounting holes 10 can be round holes or waist-type holes, and as a preferred embodiment, the mounting holes 10 on the side of the first lamp cavity 1 are round holes, and the mounting holes 10 on the top of the mounting member 9 are waist-type holes, and the waist-type holes are used in combination with the round holes, which is beneficial to adapt to the mounting of various automobiles or trucks.
[0046] In the embodiment with fixed irradiation included angle a, the side lamp can be a split structure or a whole structure. When the side lamp is a whole structure, the side lamp comprises a total light plate, the total light plate is divided into a first irradiation area and a second irradiation area, the total light plate is bent at the joint of the first irradiation area and the second irradiation area, the total light plate has an included angle between the plate surface in the first irradiation area and the plate surface in the second irradiation area, the total light plate is provided with electric lamps at the first irradiation area and the second irradiation area, the first irradiation area and the electric lamps in the area form a first irradiation part, and the second irradiation area and the electric lamps in the area form a second irradiation part. Since the total light plate has an included angle between the plate surface in the first irradiation area and the plate surface in the second irradiation area, the irradiation direction of the first irradiation part and the irradiation direction of the second irradiation part have an included angle.
[0047] As one embodiment of the embodiment, the total light plate is provided with a first lampshade in the first irradiation area, the first lampshade covers the electric lamps in the first irradiation area inside, and a second lampshade is provided in the second irradiation area, the second lampshade covers the electric lamps in the second irradiation area inside; as another embodiment of the embodiment, the total light plate is provided with a total lampshade, the total lampshade is a V-shaped cover body suitable for the bending state of the total light plate, and the total lampshade covers all the electric lamps of the total light plate inside.
[0048] In the description of the specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0049] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A side light characterized by: The first irradiation part and the second irradiation part are connected and rotate relative to each other. The first irradiation part comprises a first lamp cavity (1), and a first lamp source (2) is arranged in the first lamp cavity (1). The second irradiation part comprises a second lamp cavity (4), and the second lamp cavity (4) is connected with the connecting piece and rotates relative to the connecting piece. The connecting piece is two connecting lugs (6) arranged at the bottom of the first lamp cavity (1), and the connecting lugs (6) are provided with outer connecting holes and are arranged as a second lamp cavity connecting area between the two connecting lugs (6). The relative two end faces of the second lamp cavity (4) are provided with inner connecting holes, and the top of the second lamp cavity (4) extends into the second lamp cavity connecting area. The fasteners pass through the outer connecting holes and the inner connecting holes and connect the second lamp cavity (4) with the connecting lugs (6).
2. A side light according to claim 1, characterized in that: The connecting lugs (6) and the second lamp cavity (4) are provided with a locking mechanism. The locking mechanism comprises a locking protrusion (7) and a locking groove (8). The locking protrusion (7) is arranged on the inner end face of the connecting lug (6), and the outer end face of the locking protrusion (7) is provided with a plurality of clamping teeth in the circumferential direction.
3. A side light according to claim 2, characterised in that: The outer connecting hole penetrates the end of the locking protrusion (7), the locking groove (8) is arranged on the side end face of the second lamp cavity (4), and the inner end face of the locking groove (8) is provided with a plurality of clamping grooves in the circumferential direction.
4. A side light according to claim 3, characterised in that: The inner connecting hole is arranged in the locking groove (8), the locking protrusion (7) extends into the locking groove (8), and each clamping tooth cooperates with each clamping groove.
5. A side light according to claim 4, characterised in that: The locking protrusion (7) is arranged on the side end face of the second lamp cavity (4), and the outer end face of the locking protrusion (7) is provided with a plurality of clamping teeth in the circumferential direction.
6. A side light according to claim 3, characterized in that: The inner connecting hole penetrates the end of the locking protrusion (7), the locking groove (8) is arranged on the inner end face of the connecting lug (6), and the inner end face of the locking groove (8) is provided with a plurality of clamping grooves in the circumferential direction.
7. A side light according to claim 6, characterised in that: The outer connecting hole is arranged in the locking groove (8), the locking protrusion (7) extends into the locking groove (8), and each clamping tooth cooperates with each clamping groove. The locking protrusion (7) is a cylindrical protrusion, and the locking groove (8) is a circular groove; or the locking protrusion (7) is a circular truncated cone protrusion, and the locking groove (8) is a circular truncated cone groove. The first lamp source (2) comprises a first lamp light plate and an electric lamp, the first lamp light plate is arranged in the first lamp cavity (1), and a plurality of electric lamps are arranged on the first lamp light plate in a distributed manner. Each electric lamp is distributed on the first lamp light plate in a matrix manner. The first lamp cavity (1) and / or the second lamp cavity (4) are connected with a mounting piece (9). The mounting piece (9) is arranged outside the first lamp cavity (1), and the mounting piece (9) is provided with a mounting hole (10) on the side of the first lamp cavity (1) and the top of the first lamp cavity (1). The mounting hole (10) comprises a round hole and a waist hole.