CN212056977U - Lamp fitting - Google Patents

Abstract

The utility model discloses a lamp, which comprises a casing, a light source module, a functional component and a mounting surface ring. The casing has a first accommodation space and an opening, the first accommodation space is communicated with the opening, and the The light source module and the functional component are arranged in the first receiving space; the casing is provided with a first connection part at at least part of the edge surrounding the opening, the functional component has a second connection part, the The first connecting part is connected with the mounting surface ring through fasteners, and the first connecting part presses and fixes the second connecting part on the mounting surface ring; the mounting surface ring has a light outlet, so The light emitted by the light source module is emitted through the light outlet. The above solution can solve the problems of low production efficiency and cumbersome assembly procedures of the current lamps due to many internal functional components.

Description

lamps

technical field

The utility model relates to the technical field of lighting, in particular to a lamp.

Background technique

With the continuous development of lighting technology, the performance and appearance of lamps and lanterns have been greatly improved. At present, there are more and more functional components used for auxiliary functions such as light distribution in lamps. These components are usually installed and fixed in the shell of the lamps by means of snaps. Therefore, in the process of lamp production, the above functional components need to be And a large number of snap structures are processed on the shell, which will lead to low production efficiency of the lamp, and a large number of snap structures during the assembly process will also have the problems of cumbersome assembly procedures and low efficiency.

Utility model content

The utility model discloses a lamp, which solves the problems of low production efficiency and complicated assembly procedures of the current lamp due to many internal functional components.

In order to solve the above-mentioned problems, the utility model adopts the following technical solutions:

A lamp includes a housing, a light source module, a functional component and a mounting surface ring, the housing has a first accommodating space and an opening, the first accommodating space is communicated with the opening, the light source module and the functional component is arranged in the first accommodation space;

The casing is provided with a first connecting portion around at least part of the edge of the opening, the functional component has a second connecting portion, the first connecting portion is connected with the mounting surface ring by a fastener, and the The first connecting part presses and fixes the second connecting part on the mounting surface ring; the mounting surface ring has a light outlet through which the light emitted by the light source module exits.

The technical scheme adopted by the utility model can achieve the following beneficial effects:

In the lamp disclosed in the present utility model, the casing is provided with a first connecting portion at least at a part of the edge surrounding the opening, the functional component has a second connecting portion, and the first connecting portion can be connected to the mounting surface ring by a fastener, and connects the The second connecting portion is pressed and fixed on the mounting surface ring, thereby realizing the mounting of the functional component.

Compared with the prior art, the lamp disclosed by the present invention does not need to process the buckle structure on the shell and the functional components, which undoubtedly improves the production efficiency of the lamp and simplifies the assembly process of the lamp.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present utility model and constitute a part of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. . In the attached image:

FIG. 1 is a schematic diagram of an exploded structure of a first lamp disclosed in an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a first lamp disclosed by an embodiment of the present utility model;

FIG. 3 is a schematic three-dimensional structure diagram of a first lamp disclosed in an embodiment of the present utility model;

Fig. 4 is about the enlarged schematic diagram of A place in Fig. 1;

5 is a schematic diagram of an exploded structure of a second type of lamp disclosed in an embodiment of the present utility model;

6 is a cross-sectional view of a second type of lamp disclosed in an embodiment of the present utility model;

FIG. 7 is a schematic three-dimensional structure diagram of a second type of lamp disclosed in an embodiment of the present utility model;

8 is a schematic diagram of an exploded structure of a third lamp disclosed in an embodiment of the present utility model;

9 is a cross-sectional view of a third lamp disclosed in an embodiment of the present utility model;

10 is a schematic three-dimensional structure diagram of a third lamp disclosed in an embodiment of the present invention;

FIG. 11 is a schematic diagram of an exploded structure of a fourth lamp disclosed in an embodiment of the present utility model;

12 is a cross-sectional view of a fourth lamp disclosed in an embodiment of the present utility model;

13 is a schematic three-dimensional structure diagram of a fourth lamp disclosed in an embodiment of the present utility model;

14 is a schematic diagram of an exploded structure of the fifth lamp disclosed in the embodiment of the present utility model;

15 is a cross-sectional view of a fifth lamp disclosed in an embodiment of the present utility model;

16 is a schematic three-dimensional structure diagram of a fifth lamp disclosed in an embodiment of the present utility model;

17 is a schematic diagram of an exploded structure of a sixth type of lamp disclosed in an embodiment of the present utility model;

18 is a cross-sectional view of a sixth lamp disclosed by an embodiment of the present utility model;

FIG. 19 is a schematic three-dimensional structure diagram of a sixth lamp disclosed by an embodiment of the present utility model;

Description of reference numbers:

100-shell, 110-first accommodation space, 120-first connection part, 130-heat dissipation fins, 140-heat dissipation frame,

200-light source module,

300-installation surface ring, 310-light outlet, 320-second storage space, 330-support cantilever,

400 - Fasteners,

500-functional component, 510-first light distribution element, 511-second connection part, 520-second light distribution element, 521-installation hole, 530-third light distribution element,

600 - Mounting.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The technical solutions disclosed by the various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to FIGS. 1 to 19 , an embodiment of the present invention discloses a lamp, which includes a housing 100 , a light source module 200 , a functional component 500 and a mounting surface ring 300 .

The casing 100 is the basic component of the lamp, and the casing 100 can provide a mounting and supporting basis for other structures of the lamp; in this embodiment, the casing 100 has a first accommodation space 110, and some other components of the lamp can be arranged in the first accommodating space 110. In a receiving space 110 , the casing 100 can also play a certain protective role.

Usually, the housing 100 can be a heat sink, which can be an aluminum structure. The aluminum profile is not only light in weight, but also reduces the overall weight of the lamp, and has excellent heat dissipation performance, which is beneficial to improve the service life of the internal components of the lamp. Of course, the specific material of the casing 100 is not limited in this embodiment, and it may also be a metal material such as copper or iron, or a plastic material.

In order to optimize the heat dissipation effect of the casing 100 , in an optional solution, as shown in FIGS. 5 to 7 , at least one of the heat dissipation fins 130 and the heat dissipation frame 140 may be provided on the outer peripheral wall of the casing 100 , namely, That is to say, the outer peripheral wall of the casing 100 is provided with the heat dissipation fins 130 or the heat dissipation frame 140 , or the outer peripheral wall of the casing 100 is provided with the heat dissipation fins 130 and the heat dissipation frame 140 at the same time.

It should be understood that both the heat dissipation fins 130 and the heat dissipation frame 140 are disposed protruding from the outer peripheral wall of the casing 100 , and can increase the effective heat dissipation area of the casing 100 , thereby improving the overall heat dissipation efficiency of the casing 100 , thereby optimizing the The heat dissipation effect of the casing 100 .

Normally, in the above-mentioned embodiment, the housing 100 is a die-casting structural part, and since the die-casting process is more convenient for molding, the heat dissipation fins 130 and the heat dissipation frame 140 can be formed more conveniently. In the embodiment shown in FIG. 1 to FIG. 3 without the heat dissipation fins 130 and the heat dissipation frame 140 , the casing 100 is a stamped structural part, and the stamping process can significantly improve the processing efficiency of the production process.

The light source module 200 is a light-emitting component of the lamp, and the light source module 200 can emit light to realize the lighting function of the lamp. The light source module 200 includes a luminous body, and the luminous body can usually be selected as an LED luminous body. The LED luminous body has the advantages of environmental protection, energy saving, long life and the like.

In this embodiment, the light source module 200 can be selected as a light source board. Of course, this embodiment does not limit the specific configuration of the light source module 200 , and its configuration can be adaptively adjusted according to the matching of the casing 100 , for example, the light source module 200 can also be a point light source.

The functional component 500 is a functional auxiliary realization component of the lamp. For example, the functional component 500 can play a light distribution function, a protective function, a supporting function, and the like.

The mounting surface ring 300 is an auxiliary mounting member of the lamp. As described later, the mounting surface ring 300 provides a mounting support for the functional component 500 .

In combination with the foregoing, the housing 100 further has an opening, the first receiving space 110 is communicated with the opening, and the light source module 200 and the functional component 500 are disposed in the first receiving space 110 . It should be understood that the light emitted by the light source module 200 can be emitted through the opening.

In this embodiment, the mounting surface ring 300 is installed on the opening side of the housing 100 , and at the same time, the mounting surface ring 300 has a light outlet 310 through which the light emitted by the light source module 200 can be emitted. Normally, the light source module 200 is disposed opposite to the opening and the light outlet 310 , so that the light emitted by the light source module 200 can be directly projected to the opening and the light outlet 310 to be emitted. Of course, an optical path adjustment component can also be provided in the lamp, and the optical path adjustment component can adjust the optical path of the light emitted by the light source module 300, and finally make the light project out of the lamp through the opening and the light outlet 310 in sequence.

The casing 100 is provided with the first connecting portion 120 around at least a part of the edge of the opening, that is to say, the casing 100 is provided with the first connecting portion 120 at a part of the edge surrounding the opening, or the casing 100 is provided on the whole surrounding the opening. The edge is provided with a first connecting portion 120 . The first connecting portion 120 is connected to the mounting surface ring 300 through the fastener 400. It should be understood that after the fastener 400 connects the first connecting portion 120 to the mounting surface ring 300, the housing 100 and the mounting surface ring 300 are realized. connection relationship.

Usually, the fasteners 400 can be selected as threaded fasteners such as screws and bolts. During the tightening process of the fasteners 400, the distance between the first connection portion 120 and the mounting surface ring 300 can be shortened, thereby clamping Tightly fix the second connecting portion 511 . Of course, this embodiment does not limit the specific type of the fastener 400 , and it may also be a pin connector, a key connector, a riveting component, or the like.

Meanwhile, the functional component 500 has a second connecting portion 511 , and the first connecting portion 120 presses and fixes the second connecting portion 511 to the mounting surface ring 300 . Specifically, the housing 100 presses and fixes the second connecting portion 511 to the mounting surface ring 300 through the first connecting portion 120 , and the second connecting portion 511 is clamped and fixed between the first connecting portion 120 and the mounting surface ring 300 . , based on the connection relationship, thus completing the installation and fixation of the functional component 500 .

The structures of the first connecting portion 120 and the second connecting portion 511 are relatively simple, and during the production process of the lamp, rapid processing and production can be performed. Higher production efficiency; at the same time, the functional assembly 500 can be installed only by pressing and fixing the second connecting portion 511 on the mounting surface ring 300 through the first connecting portion 120 , the installation requirements are low, and the installation process is simple.

It can be seen from the above description that in the lamp disclosed in the embodiment of the present invention, the casing 100 is provided with a first connecting portion 120 at at least a part of the edge surrounding the opening, and the functional component 500 has a second connecting portion 511. The first connecting portion 120 can be The fastener 400 is connected to the mounting surface ring 300 , and the second connecting portion 511 is pressed and fixed on the mounting surface ring 300 , thereby realizing the installation of the functional component 500 .

Compared with the prior art, the lamp disclosed in the embodiment of the present invention does not need to process the buckle structure on the housing 100 and the functional component 500 , which undoubtedly improves the production efficiency of the lamp and simplifies the assembly process of the lamp.

It should be noted that, in this embodiment, the lamps may be of various types, such as downlights, candle lamps, panel lamps, and the like, and this embodiment does not limit the specific types of lamps.

In the case where the functional component 500 has a light distribution function, the illumination characteristics such as illumination, brightness, luminous flux, and light exit angle of the lamp can be adjusted through the functional component 500 .

In an optional solution, the functional component 500 may include a first light distribution element 510 , the first light distribution element 510 has a second connection portion 511 , and the light emitted by the light source module 200 passes through the first light distribution element 510 and is emitted by The mouth 310 exits.

Specifically, since the second connecting portion 511 is disposed on the first light distribution element 510, when the second connecting portion 511 is clamped and fixed between the first connecting portion 120 and the mounting surface ring 300, The optical element 510 is mounted and fixed. The light emitted by the light source module 200 can be distributed through the first light distribution element 510 , and the lighting characteristics of the lamp can be changed through the first light distribution element 510 .

In this embodiment, the first light distribution element 510 may have various types. As shown in FIG. 1 to FIG. 3 , the first light distribution element 510 can be selected as a light diffusing plate, and the light is distributed and emitted by the light diffusing plate. After that, the light coverage of the lamp will be significantly improved; as shown in Figures 8 to 10 , the first light distribution element 510 can be selected as a lens element with a converging configuration. More concentrated, its light intensity and brightness will be significantly improved.

In order to further optimize the lighting characteristics of the lamp, in an optional solution, the functional component 500 may further include a second light distribution element 520, the first light distribution element 510 is disposed adjacent to the light source module 200, and the second light distribution element 520 is disposed at The first light distribution element 510 is on the side away from the light source module 200 , and the second light distribution element 520 is fixedly fitted to the first connecting portion 120 , and the light emitted by the light source module 200 passes through the first light distribution element 510 and the second light distribution element 510 in sequence. The light distribution element 520 is then emitted from the light outlet 310 .

It should be understood that since the first light distribution element 510 has been clamped and fixed between the first connection part 120 and the mounting surface ring 300 through the second connection part 511, that is, the first light distribution element 510 has been installed and fixed; In this case, after the second light distribution element 520 is fixedly fitted to the first connecting portion 120 , the installation and fixation of the functional component 500 is completed. In a specific working process, the light emitted by the light source module 200 may first undergo a first light distribution process through the first light distribution element 510 , and then undergo a second light distribution process through the second light distribution element 520 . Based on this embodiment, the lamp includes two light distribution structures at the same time, which can undoubtedly improve the light distribution accuracy and light distribution diversity of the lamp.

In this embodiment, the second light distribution element 520 may have various types. For example, the second light distribution element 520 can be selected from a light diffusing plate, a lens element, etc., and the specific type thereof is not limited in this embodiment. In a specific embodiment, as shown in FIG. 11 to FIG. 13 , the second light distribution element 520 can be selected as a reflector cup, and the reflector cup can perform condensing processing on the light emitted by the light source module 200 , so that the outgoing light of the lamp more focused.

Under normal circumstances, when the second light distribution element 520 is a reflector, the first light distribution element 510 is a lens element with a converging configuration. In this setting, the light emitted by the light source module 200 can first pass through the lens element for a second One time convergence processing, after processing, it is projected into the reflector for the second convergence processing. The outgoing light after two convergence processing undoubtedly has a higher concentration, and the light intensity and brightness are significantly improved.

In the above-mentioned embodiment, the horizontal section of the reflector can be a circular configuration; in another specific embodiment, as shown in FIGS. 14 to 16 , the second light distribution element 520 is also a reflector. The horizontal cross-section of the reflector is a square (square or rectangular) configuration. Of course, in the case where the first light distribution element 510 and the second light distribution element 520 are reflective cups, this embodiment does not limit the specific configuration of the reflective cups.

In the case where the second light distribution element 520 is a reflector, since the reflector occupies a large space in the height direction, it is difficult for the first accommodating space 110 to accommodate the reflector. Based on this, in an optional solution, the mounting surface ring A second receiving space 320 may be formed on the height of the 300 , the light outlet 310 communicates with the second receiving space 320 , and the second light distribution element 520 partially extends into the second receiving space 320 .

Specifically, the mounting surface ring 300 can accommodate the second light distribution element 520 through the second accommodating space 320 , so that the second light distribution element 520 can be completely accommodated inside the lamp, so that the second light distribution element 520 will not Exposed, the second light distribution element 520 can be prevented from being damaged, and a stable light distribution effect can be provided by the second light distribution element 520 . Normally, the light exit direction of the second light distribution element 520 is directly opposite to the light exit port 310 , and the light can be emitted from the light exit port 310 after being distributed by the second light distribution element 520 .

As mentioned above, the second light distribution element 520 is fixedly matched with the first connecting portion 120 , but this embodiment does not limit the specific fixing manner of the second light distribution element 520 and the first connecting portion 120 , for example, the second light distribution element 520 may be provided with a connecting portion through which the second light distribution element 520 passes through the mounting surface ring 300 to be fixedly matched with the first connecting portion 120; There may be various connection relationships. For example, the second light distribution element 520 may realize the connection relationship with the first connection portion 120 by means of clamping, bonding, or the like.

In another specific embodiment, the second light distribution element 520 may be provided with a mounting hole 521 , and the fastener 400 may pass through the mounting surface ring 300 to fit in the mounting hole 521 .

It should be understood that the installation position of the installation hole 521 on the second light distribution element 520 should be able to correspond to the installation position of the fastener 400 . In this way, the fastener 400 connects the first connection portion 120 and the installation surface ring 300 Afterwards, the fastener 400 can continue to pass through the mounting surface ring 300 and protrude into the mounting hole 521 to achieve matching, thereby realizing the fixed matching relationship between the second light distribution element 520 and the first connecting portion 120, so that the second The light distribution element 520 is installed and fixed inside the lamp.

Under this arrangement, only one fastener 400 can be used to realize the connection between the housing 100 and the mounting surface ring 300, the installation and fixation of the first light distribution element 510, and the installation and fixation of the second light distribution element 520, which undoubtedly reduces the number of connectors. The number of luminaires used not only reduces the cost, but also optimizes the internal structural layout of the luminaire.

In another specific embodiment in which the functional assembly includes the first light distribution element 510, the functional assembly 500 may further include a third light distribution element 530, the third light distribution element 530 is disposed adjacent to the light source module 200, and the first light distribution element 530 The element 510 is disposed on the side of the third light distribution element 530 away from the light source module 200 , the third light distribution element 530 is installed on the first light distribution element 510 , and the light emitted by the light source module 200 passes through the third light distribution element in sequence. 530 and the first light distribution element 510 are then emitted from the light outlet 310 .

It should be understood that, as mentioned above, since the first light distribution element 510 has been clamped and fixed between the first connection part 120 and the mounting surface ring 300 through the second connection part 511 , that is, the first light distribution element 510 has been is installed and fixed; in this case, the third light distribution element 530 is directly installed on the first light distribution element 510, thus completing the installation and fixation inside the lamp. In a specific working process, the light emitted by the light source module 200 may first undergo a first light distribution process through the third light distribution element 530 , and then undergo a second light distribution process through the first light distribution element 510 .

Likewise, this embodiment does not limit the specific type of the third light distribution element 530 . In a specific embodiment, as shown in FIGS. 17 to 19 , the third light distribution element 530 can be selected as a lens element in a convergent configuration, the first light distribution element can be selected as a reflector, and the light source module The light emitted by 200 can undergo two converging processing in turn.

More specifically, the third light distribution element 530 may be an assembly of a TIR (Total Internal Reflection) lens and a polarizing lens, the first light distribution element 510 may be a wall washer reflector, and the polarization direction of the third light distribution element 530 is the same as that of the polarizing lens. The light emitting directions of the first light distribution elements 510 are matched. With this arrangement, the light emitted from the lamp is concentrated and deflected toward the preset direction, thereby meeting the illumination angle requirements of the lamp.

In this embodiment, the specific shapes of the first connecting portion 120 and the second connecting portion 511 are not limited. The 511 may be provided with a second protruding edge, and the first protruding edge and the second protruding edge are correspondingly arranged in the height direction, so that the first protruding edge can press and fix the second protruding edge on the mounting surface ring 300 .

In another specific embodiment, the first connecting portion 120 may be circumferentially disposed along the circumference of the opening, and the second connecting portion 511 may be circumferentially disposed along the circumferential direction of the first light distribution element 510 . It should be understood that, under such arrangement, when the second connecting portion 511 is clamped and fixed between the first connecting portion 120 and the mounting surface ring 300, the first connecting portion 120 can closely fit the second connecting portion in the circumferential direction The second connecting portion 511 can also be closely attached to the mounting surface ring 300 in the circumferential direction. Both have a large contact area, which undoubtedly improves the installation stability and reliability between them.

In this embodiment, the first connecting portion 120 can be arranged in various ways. For example, the first connecting portion 120 can be extended toward the direction of the first receiving space 110 , but this arrangement may interfere with the internal components of the lamp. .

Based on this, in order to prevent the first connecting portion 120 from interfering with the internal components of the lamp in the first accommodating space 110 , in an optional solution, the first connecting portion 120 may extend in a direction away from the first accommodating space 110 . Specifically, under this arrangement, the first connecting portion 120 is disposed outside the housing 100, and the functional component 500 is located in the first receiving space 110, so the first connecting portion 120 will not interfere with the arrangement of the internal components of the lamp .

In order to improve the installation convenience of the functional assembly 500, in an optional solution, as shown in FIG. 4 , the mounting surface ring 300 may be provided with a support cantilever 330 on the inner surface of the ring 300 facing the housing 100, and the first connecting portion 120 will The second connecting portion 511 is pressed and fixed on the supporting cantilever 330 .

It should be understood that, under such arrangement, the supporting cantilever 330 can provide vertical support to the second connecting portion 511, and the mounting surface ring 300 can form a limit constraint on the peripheral side of the second connecting portion 511, so when When the second connecting portion 511 is completely attached to the supporting cantilever 330 , it means that the functional component 500 is installed in place, which undoubtedly makes the installation of the functional component 500 easier and more convenient, and improves the installation efficiency of the functional component 500 .

Generally, the lamp disclosed in this embodiment further includes a mounting member 600 , and the lamp can be connected to the installation base through the mounting member 600 , for example, the lamp can be installed on a wall or a lamp post through the mounting member 600 . This embodiment does not limit the specific installation position of the mounting member 600 . Generally, the mounting member 600 is mounted on the outer wall of the housing 100 or the mounting surface ring 300 .

The above embodiments of the present invention mainly describe the differences between the various embodiments. As long as the different optimized features of the various embodiments are not contradictory, they can be combined to form better embodiments. Considering the conciseness of the text, here It will not be repeated.

The above descriptions are merely examples of the present invention, and are not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the scope of the claims of the present utility model.

Claims (10)

1. A lamp is characterized by comprising a shell (100), a light source module (200), a functional component (500) and a mounting surface ring (300), wherein the shell (100) is provided with a first accommodating space (110) and an opening, the first accommodating space (110) is communicated with the opening, and the light source module (200) and the functional component (500) are arranged in the first accommodating space (110);

the shell (100) is provided with a first connecting part (120) at least partially surrounding the opening, the functional assembly (500) is provided with a second connecting part (511), the first connecting part (120) is connected with the mounting surface ring (300) through a fastener (400), and the second connecting part (511) is tightly fixed on the mounting surface ring (300) by the first connecting part (120); the mounting surface ring (300) is provided with a light outlet (310), and light rays emitted by the light source module (200) pass through the light outlet (310) to be emitted.

2. A lamp as claimed in claim 1, wherein the functional assembly (500) comprises a first light distribution element (510), the first light distribution element (510) has the second connection portion (511), and the light emitted from the light source module (200) passes through the first light distribution element (510) and then exits from the light exit (310).

3. A lamp as claimed in claim 2, wherein the functional assembly (500) further comprises a second light distribution element (520), the first light distribution element (510) is disposed adjacent to the light source module (200), the second light distribution element (520) is disposed on a side of the first light distribution element (510) away from the light source module (200), the second light distribution element (520) is fixedly fitted to the first connection portion (120), and light emitted from the light source module (200) passes through the first light distribution element (510) and the second light distribution element (520) in sequence and then is emitted from the light outlet (310).

4. A lamp as claimed in claim 3, wherein the mounting surface ring (300) is formed with a second receiving space (320) at the height thereof, the light outlet (310) is communicated with the second receiving space (320), and the second light distribution element (520) partially protrudes into the second receiving space (320).

5. A lamp as claimed in claim 4, characterized in that the second light distribution element (520) is provided with a mounting hole (521), and the fastener (400) can pass through the mounting surface ring (300) to be matched with the mounting hole (521).

6. A lamp as claimed in claim 2, wherein the functional assembly (500) further includes a third light distribution element (530), the third light distribution element (530) is disposed adjacent to the light source module (200), the first light distribution element (510) is disposed on a side of the third light distribution element (530) away from the light source module (200), the third light distribution element (530) is mounted on the first light distribution element (510), and light emitted from the light source module (200) passes through the third light distribution element (530) and the first light distribution element (510) in sequence and then is emitted from the light outlet (310).

7. A lamp as claimed in claim 2, wherein the first connecting portion (120) is circumferentially arranged along the opening, and the second connecting portion (511) is circumferentially arranged along the first light distribution element (510).

8. A lamp as claimed in claim 1, wherein the first connecting portion (120) extends towards a direction away from the first receiving space (110).

9. A lamp as claimed in claim 1, characterized in that the mounting surface ring (300) is provided with a support arm (330) on its inner surface facing the housing (100), and the first connecting portion (120) is adapted to press-fix the second connecting portion (511) to the support arm (330).

10. A light fixture as claimed in any one of claims 1 to 9, characterized in that the housing (100) is a heat sink, and at least one of heat sink fins (130) and a heat sink frame (140) is provided on the outer peripheral wall of the housing (100).

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