Waterproof PAR lamp with adjustable light beam angle

Abstract

The utility model discloses a waterproof PAR lamp with an adjustable light beam angle. The waterproof PAR lamp comprises a lamp shell, a lamp holder and a lampshade. The lamp shell comprises a front shell body and a rear shell body, one end of the front shell body is connected with the lamp holder, and the rear shell body is rotationally connected to the other end of the front shell body through a support. A first cavity is defined by the support, the rear shell and the lampshade, a lens assembly fixedly connected with the support is arranged in the first cavity, a lamp panel is arranged between the lens assembly and the support, and the lamp panel is connected with the rear shell; the support is provided with an elastic piece, the elastic piece is provided with a protruding block, and the inner wall of the rear shell is provided with a plurality of limiting grooves matched with the protruding block. Through the arrangement of the protruding blocks and the limiting grooves, the lamp bead units of the lamp panel sequentially correspond to the multiple lens units of the lens assembly. Different light emitting effects are achieved by changing the combination of different LED lamp beads and lenses with different light beam angles, then random switching of the PAR lamp among multiple illumination modes is achieved, and the PAR lamp has the advantages of being simple in dimming operation and good in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lighting, concretely relates to a waterproof PAR lamp that can be switched at will among various illumination modes. BACKGROUND

[0002] PAR lamp, full name is "Parabolic Aluminum Reflector bowl dish aluminum reflection", principle is to refer to the halogen lamp package to the light cup.PAR lamp is also called cylinder lamp, and it is a kind of reflecting lamp, and its optical structure is basically same as that of reflector lamp.The light reflector adopts parabolic reflector, but its light aperture and mirror depth are smaller than those of reflector lamp, and it has greater light source containment angle;PAR lamp structure is simple, and it is convenient to use, has stronger condensing capacity, the luminosity of projected light beam is higher, and it can produce stronger light beam effect.

[0003] After the popularization of LED light source, the light source of PAR lamp is directly replaced by LED light source.Traditional LED PAR lamp is single irradiation angle, if irradiation angle or focal length needs to be adjusted, it needs to be disassembled and placed new lens to meet, and the operation is cumbersome, the function is single, and practicality is not good. SUMMARY

[0004] On the existing technology, the purpose of the utility model is to provide a waterproof PAR lamp that is convenient to install and has reasonable structure.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A waterproof PAR lamp with adjustable beam angle, comprising a lamp shell, a lamp head arranged at one end of the lamp shell, and a lamp shade arranged at the other end of the lamp shell;

[0007] The lamp shell comprises a front shell body and a rear shell body, one end of the front shell body is connected with the lamp head, and the rear shell body is rotatably connected to the other end of the front shell body through a support; a sealing structure for sealing the cavity in the lamp shell is arranged between the front shell body and the rear shell body;

[0008] The support, the rear shell body and the lamp shade cooperatively form a first cavity, a lens assembly fixedly connected with the support is arranged in the first cavity, a lamp plate is arranged between the lens assembly and the support, and the lamp plate is connected with the rear shell body;

[0009] At least one elastic member is arranged on the support, and a protrusion is arranged on the elastic member; a plurality of limiting grooves matched with the protrusions are arranged on the inner wall of the rear shell body; when the rear shell body rotates relative to the front shell body, the protrusions arranged on the elastic member are clamped in the limiting grooves at different positions, so as to adjust the lamp bead units on the lamp plate to be aligned with the lens units on the lens assembly in sequence.

[0010] Further, the rear shell is provided with a connecting ring near the end close to the front shell, and the connecting ring is connected to the inner wall of the rear shell through a connecting block; the connecting column built in the front shell passes through the gap between the connecting ring and the inner wall of the rear shell, and the bracket is connected to the connecting column.

[0011] Further, the side surface of the bracket is provided with at least two connecting pieces, and the bracket is connected to the connecting column of the front shell through the connecting pieces.

[0012] Further, the elastic piece arranged on the bracket is connected between the two connecting pieces, and an elastic deformation space is arranged between the elastic piece and the side surface of the bracket.

[0013] Further, the bracket passes through the via hole arranged on the lamp panel and is connected to the lens assembly.

[0014] Further, the rear shell is provided with an annular sealing groove near the end close to the front shell, and the front shell is provided with a sealing ring near the end close to the rear shell.

[0015] The sealing ring is inserted into the sealing groove, and the sealing ring and the sealing groove form a sealing space for placing a sealing ring, and the sealing ring and the sealing space form an interference fit.

[0016] Further, the inner wall of the rear shell is provided with an embedded groove for embedding a light cup, and the inner wall of the light cup is provided with an annular clamping groove, and the side surface of the lamp panel is clamped in the clamping groove.

[0017] Further, the waterproof PAR lamp further comprises a light source driving board, the light source driving board is arranged in the second cavity formed by the cooperation of the bracket, the front shell and the lamp head, and the light source driving board is connected to the lamp panel through a wire, and the light source driving board is used to drive the lamp bead unit on the lamp panel to emit light.

[0018] Further, the light source driving board comprises a first driving board provided with a first light adjusting module and a second driving board provided with a second light adjusting module; the first driving board is inserted into the inner wall of the front shell, and the second driving board is arranged in the lamp head.

[0019] Further, the knob handle of the first light adjusting module passes through the opening arranged on the front shell, and the opening is covered with a convex petal capable of elastically deforming.

[0020] The end of the lamp head away from the front shell is rotatably connected with a contact, and the contact is connected to the knob handle of the second light adjusting module through a rotating connecting piece, so that the rotation of the contact causes the sliding of the knob handle of the second light adjusting module.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] The front shell body and the rear shell body are rotationally connected through the support, the front shell body drives the support to rotate, and then drives the lens assembly to rotate, so that the lamp bead units of the lamp panel correspond to the plurality of lens units of the lens assembly in sequence, the combination of different LED lamp beads and different beam angle lenses is changed to achieve different light emission effects, and the PAR lamp can be randomly switched between various illumination modes, and the utility model has the characteristics of simple dimming operation and good practicability.

[0023] At the same time, the rotation action can be realized only through the cooperation of the front shell body and the rear shell body, the structure is simple, the adjustment is convenient, the user can operate before and after installation, and the utility model has stronger practicability; the lens is limited through the cooperation of the convex block and the limiting groove, when the convex block is clamped into the limiting groove, the lens does not rotate under the condition that no external force is applied, and the stability of the light beam angle can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the drawings without creative labor.

[0025] Figure 1 It is the whole machine structure schematic view of the utility model PAR lamp.

[0026] Figure 2 It is the internal structure schematic view of the utility model PAR lamp.

[0027] Figure 3 It is the local structure enlarged schematic view of the utility model A.

[0028] Figure 4 It is the local structure enlarged schematic view of the utility model B.

[0029] Figure 5 It is the structure schematic view of the utility model rear shell body.

[0030] Figure 6 It is the structure schematic view of the utility model support.

[0031] Figure 7 It is the explosion structure schematic view of the utility model front shell body, rear shell body and support.

[0032] Figure 8The utility model discloses a lens assembly structure schematic diagram.

[0033] Figure 9 The utility model discloses a lens assembly and the corresponding position schematic diagram of lamp panel.

[0034] Figure 10 The utility model discloses a lamp cap internal structure schematic diagram. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range protected by the utility model.

[0036] As Figures 1 to 10 One of the scheme provides a kind of light beam angle adjustable waterproof PAR lamp;As Figure 1 Indicated, waterproof PAR lamp includes lamp shell, lamp cap 4 being located at one end of lamp shell and lamp shade 1 being located at the other end of lamp shell;

[0037] Referring to as Figures 2 to 10 Indicated, the specific structure of lamp shell is as follows:

[0038] As Figure 2 , Figure 3 And Figure 7 Indicated, lamp shell includes front shell body 3 and rear shell body 2, one end of front shell body 3 is connected with lamp cap 4, and rear shell body 2 is rotatably connected at the other end of front shell body 3 by support 5;Sealing structure for sealing cavity in lamp shell is arranged between front shell body 3 and rear shell body 2;

[0039] Among them, as Figures 2-10 Indicated, lamp cap 4, lamp shell and lamp shade 1 cooperate and form a containing cavity, and first drive plate 32 and lamp panel 6 are arranged in the containing cavity;Specifically, the containing cavity is divided into first cavity 25 and second cavity 26 by support 5;In addition, light source drive plate is arranged in the second cavity 26 formed by support 5, front shell body 3 and lamp cap 4 cooperation and enclosure, and the light source drive plate is connected with lamp panel 6 and lamp cap 4 by wire, and the light source drive plate is used to drive the light-emitting diode unit on lamp panel 6 to emit light;This is conventional setting, and will not be described in detail here.

[0040] Referring to as Figures 2 to 6As shown, the light source driving board comprises a first driving board 32 with a first light adjusting module 33 and a second driving board 41 with a second light adjusting module 42; the first driving board 32 is arranged on the inner wall of the front shell 3, and the second driving board 41 is arranged in the lamp cap 4, and the first driving board 32 is electrically connected with the second driving board 41.

[0041] The bracket 5, the front shell 3 and the lamp cap 4 are cooperated to form a second cavity 26, the first driving board 32 is arranged in the second cavity 26, and the first driving board 32 is arranged on the inner wall of the front shell 3; the first driving board 32 is electrically connected with the lamp plate 6 through wires, and the wires connected with the lamp plate 6 pass through the window 53 arranged on the bracket 5;

[0042] Meanwhile, the front shell 3 is provided with an opening, and the knob handle of the first light adjusting module 33 passes through the opening; the opening is covered with an elastic convex cover made of rubber material, so that the knob handle of the first light adjusting module 33 can be pushed back and forth, and the sealing of the second cavity 26 is ensured through the setting of the convex cover, thereby greatly improving the waterproof performance of the waterproof PAR lamp.

[0043] In addition, the second driving board 41 is arranged in the lamp cap 4, and the second driving board 41 is electrically connected with the external power supply through the lamp cap 4; the lamp cap 4 is rotatably connected with a contact 43 at the end away from the front shell 3, the lamp cap 4 is arranged with the second driving board 41, the second driving board 41 is arranged with the second light adjusting module 42, and the contact 43 is connected with the knob handle of the second light adjusting module 42 through a rotating connecting piece 44, and the rotation of the contact 43 makes the knob handle of the second light adjusting module 42 slide.

[0044] It should be noted that the first light adjusting module 33 and the second light adjusting module 42 can adopt a sliding rheostat, a potentiometer and the like, as long as the same effect can be achieved, and they can be replaced with each other, which will not be described here.

[0045] In the embodiment, as shown in the drawings, Figure 2 The first driving board 32 is arranged with the first light adjusting module 33, and the second driving board 41 is arranged with the second light adjusting module 42; the waterproof PAR lamp controls the brightness of the lamp beads on the lamp plate 6 through the first light adjusting module 33 arranged on the first driving board 32; the waterproof PAR lamp controls the color temperature of the lamp beads on the lamp plate 6 through the second light adjusting module 42 arranged on the second driving board 41;

[0046] Specifically, the protrusion on the front housing 3 is pushed back and forth, causing the knob of the first dimming module 33 to move. The first drive plate 32 adjusts the brightness of the lamp beads on the lamp board 6 by pushing the knob of the first dimming module 33. The contact 43 of the lamp head 4 is rotated, thereby driving the rotating connector 44 to rotate, causing the knob of the second drive plate 41 to move. The second drive plate 41 adjusts the color temperature of the lamp beads on the lamp board 6 by pushing the knob of the second dimming module 42.

[0047] It should be noted that the first dimming module 33 can control more than just the brightness of the LEDs on the lamp board 6, and the second dimming module 42 can control more than just the color temperature of the LEDs on the lamp board 6; both can be adjusted according to actual conditions. In other embodiments, the two can be interchanged or replaced with other functions. Depending on the implementation requirements, the first dimming module 33 or the second dimming module 42 can be set as different functional circuits such as color temperature adjustment circuit and brightness adjustment circuit, and multi-level adjustment can be achieved through the first dimming module 33 or the second dimming module 42 to meet the application needs of different application scenarios.

[0048] In addition, the LED units on the LED panel 6 can use warm color temperature white LEDs and cool color temperature white LEDs. The dimming module 33 or the second dimming module 42 can be set to two or more levels. When the dimming module 33 or the second dimming module 42 has two levels, one level alone lights up the warm color temperature white LED to display a warm color temperature, such as 3000K, and the other level alone lights up the cool color temperature white LED to display a cool color temperature, such as 6500K. When the dimming module 33 or the second dimming module 42 has multiple levels, in addition to displaying warm and cool color temperatures, the other levels can also light up the two color temperature white LEDs simultaneously according to the different current outputs to display other color temperatures, such as 4000K, 5000K, etc.

[0049] For reference Figures 2 to 7 As shown, the rotating structure of the lamp housing is as follows:

[0050] like Figures 2 to 7 As shown, one end of the front housing 3 is connected to the lamp holder 4, and the rear housing 2 is rotatably connected to the other end of the front housing 3 via the bracket 5; a sealing structure is provided between the front housing 3 and the rear housing 2 to seal the cavity inside the lamp housing; the bracket 5, the rear housing 2 and the lamp cover 1 cooperate to form a first cavity 25, and a lens assembly 7 fixedly connected to the bracket 5 is provided in the first cavity 25. A lamp plate 6 is provided between the lens assembly 7 and the bracket 5, and the lamp plate 6 is connected to the inner wall of the rear housing 2.

[0051] It should be noted that the inner wall of the rear housing 2 is provided with an inlay groove for embedding the reflector cup 9, and the inner wall of the reflector cup 9 is provided with an annular snap-fit ​​groove 91, and the side of the lamp plate 6 is snapped into the snap-fit ​​groove 91.

[0052] Wherein, as Figure 3 With Figure 7 Described, the rear shell 2 is close to the front shell 3 one end is equipped with the connecting ring 23, and the connecting ring 23 is connected with the rear shell 2 inner wall through the connecting block 21;The connecting column built-in in the front shell 3 passes through the gap between the connecting ring 23 and the inner wall of the rear shell 2, and the support 5 is connected with the connecting column;The support 5 passes through the via hole set on the lamp plate 6 and is connected with the lens assembly 7.

[0053] In this embodiment, as Figure 7 Described, through the setting of the support 5 and the connecting ring 23, and by the cooperation of both, the front shell 3 and the rear shell 2 form rotating connection, and the front shell 3 and the rear shell 2 are coaxially arranged;The user's both hands are held on the front shell 3 and the rear shell 2 respectively, so that the front shell 3 and the rear shell 2 can be relatively rotated;As Figure 2 Described, the lens assembly 7 is connected with the front shell 3 through the support 5, and the lamp plate 6 is clamped with the reflecting cup 9 arranged on the inner wall of the rear shell 2;When the front shell 3 and the rear shell 2 rotate, the lens assembly 7 and the lamp plate 6 have relative rotating displacement.

[0054] Wherein, the outer surface of the front shell 3 is provided with the concave-convex staggered hand holding part, the user acts on the hand holding part with hand to rotate, increases the friction force of the contact of both, makes the rotation more labor-saving;Rotating the front shell 3 drives the support 5 to rotate, and then drives the lens assembly 7 to rotate, so as to realize that the lamp bead units of the lamp plate 6 correspond to the plurality of lens units of the lens assembly in turn;Further realize that the PAR lamp randomly switches between various illumination modes, has the characteristics of simple dimming operation and good practicability.

[0055] In this embodiment, the connecting column built-in in the front shell 3 passes through the gap between the connecting ring 23 and the inner wall of the rear shell 2, and the connecting column extends to the rear shell 25 and is connected with the support 5, and the support 5 is fixedly connected with the connecting column by screws;In other embodiments, the connecting column can also be a separate structure, or can be an integral extension structure of the front shell 3, as long as the connection relationship is unchanged, the same effect can be achieved, which will not be described here. Similarly, the connecting column can also be provided as one or more.

[0056] In addition, the connecting ring 23 is connected with the inner wall of the rear shell 2 through the connecting block 21 arranged on both sides of the connecting ring 23, and the connecting block 21 can also be a separate structure, or can be an integral extension structure of the rear shell 2, as long as the connection relationship is unchanged, the same effect can be achieved, which will not be described here. Similarly, the connecting block 21 can also be provided as two or more.

[0057] Further, in order to realize the waterproof performance of the lamp shell, the front shell 3 and the rear shell 2 are provided with a sealing structure for sealing the cavity in the lamp shell.

[0058] As shown in Figure 3 , the rear shell 2 is provided with an annular sealing groove 24 at one end close to the front shell 3, and the front shell 3 is provided with a sealing ring 31 at one end close to the rear shell 2; the sealing ring 31 is inserted into the sealing groove 24, and the sealing ring 31 and the sealing groove 24 form a sealing space for placing the sealing ring 8, and the sealing ring 8 and the sealing space form an interference fit.

[0059] In this embodiment, the sealing ring 8 and the sealing ring 31 are provided, so that the front shell 3 and the rear shell 2 can be tightly connected, thereby greatly improving the waterproof performance of the waterproof PAR lamp and effectively ensuring the waterproof effect of the lamp.

[0060] In addition, the positions of the sealing ring 31 and the sealing groove 24 can be interchanged, that is, the sealing ring 31 is arranged on the rear shell 2 and the sealing groove 24 is arranged on the front shell 3; as long as the connection relationship is unchanged, the same effect can be achieved, which will not be described here.

[0061] As shown in Figures 5 to 7 , the side of the bracket 5 is provided with an elastic member 51, and the elastic member 51 is provided with a protrusion 52, and the inner wall of the rear shell 2 is provided with a plurality of limiting grooves 22 matched with the protrusions 52;

[0062] When the rear shell 2 rotates relative to the front shell 3, the protrusions 52 on the elastic member 51 are clamped in the limiting grooves 22 at different positions; so as to adjust the lamp bead units on the lamp plate 6 to align with each lens unit on the lens assembly 7 in turn.

[0063] It should be noted that the side of the bracket 5 is provided with at least two connecting members 54, and the bracket 5 is connected with the connecting column of the front shell 3 through the connecting members 54; the bracket 5 is provided with at least one elastic member 51, and the elastic member 51 is connected between the two connecting members 54, and the elastic member 51 and the side of the bracket 5 are provided with an elastic deformation space; the protrusions 52 are located on the side of the elastic member 51 close to the rear shell 2, and the limiting grooves 22 are arranged on the inner wall of the rear shell 2 along the circumference of the rear shell 2;

[0064] In addition, the elastic member 51 is connected with the side wall of the bracket 5 through the connecting member 54, and the elastic member 51 can also be a separate structure or an integral extension structure of the bracket 5, as long as the connection relationship is unchanged, the same effect can be achieved, which will not be described here. Similarly, the elastic member 51 can also be provided as two or more. Among them, the elastic member 51 can be arc-shaped, wave-shaped, or one-character-shaped, as long as the connection relationship is unchanged, the same effect can be achieved, which will not be described here.

[0065] In the embodiment, as shown in Figure 6 The number of elastic members 51 is 2, and the shape of the elastic members 51 is arc-shaped; two elastic members 51 are arranged on the two sides of the bracket 5, and the two elastic members 51 are combined to form a circular ring shape.

[0066] Among them, the protrusion 52 is arranged on the side of the elastic member 51 close to the rear shell 2, and an elastic deformation space is arranged between the elastic member 51 and the side of the bracket 5; when the rear shell 2 rotates relative to the front shell 3, the protrusion 52 can be clamped with the limiting groove 22 or separated from the limiting groove 22 by elastic deformation of the elastic member 51.

[0067] When the rear shell 2 rotates relative to the front shell 3, the protrusion 52 is clamped in different positions of the limiting groove 22, so that the front shell 3 and the rear shell 2 are clamped at different angles, and then the lamp plate 6 and the lens assembly 7 are adjusted at different angles. The lamp bead units of the lamp plate 6 are accurately corresponding to one of the lens units in the lens assembly 7.

[0068] As shown in Figures 8 to 9 The lamp plate 6 is provided with at least one group of lamp bead units, and the lamp beads of the lamp bead units are fan-shaped and non-uniformly distributed; the lamp bead units are arranged on the lamp plate 6 in a circular ring shape at equal intervals.

[0069] In addition, the side of the lens assembly 7 close to the lamp plate 6 is provided with at least two groups of lens units of different specifications, and the lenses in the lens units are one-to-one corresponding to the lamp beads in the lamp bead units.

[0070] It should be noted that the number of lens units of the same specification is the same as the number of lamp bead units.

[0071] In the embodiment, the number of lamp bead units on the lamp plate 6 is 3, and the 3 groups of lamp bead units are arranged on the lamp plate 6 in a circular ring shape at equal intervals; the lens assembly 7 is provided with a first lens unit 71, a second lens unit 72 and a third lens unit 73, and the number of the first lens unit 71, the second lens unit 72 and the third lens unit 73 is 3 groups; the first lens unit 71, the second lens unit 72 and the third lens unit 73 are arranged on the lens assembly 7 in turn.

[0072] It should be noted that a plurality of limiting grooves 22 are arranged on the inner wall of the rear shell 2 along the circumference of the rear shell 2; wherein the limiting grooves 22 corresponding to each elastic member 51 are one-to-one corresponding to the first lens unit 71, the second lens unit 72 and the third lens unit 73; when the protrusion 52 is clamped and positioned with a certain limiting groove 22 during the rotation of the front shell 3, the lamp bead units of the lamp plate 6 are accurately aligned with the lens units corresponding to the limiting groove 22.

[0073] Through the technical scheme of the utility model, the front shell 3 drives the support 5 to rotate, and then drives the lens assembly 7 to rotate, so that the lamp bead units of the lamp panel 6 correspond to the multiple lens units of the lens assembly in turn, the combination of different LED lamp beads and different beam angle lenses is changed to achieve different light emitting effects, and the PAR lamp can be switched between multiple light modes at will, and the utility model has the characteristics of simple dimming operation and good practicability.

[0074] At the same time, the rotating action can be realized only by cooperation of the front shell and the rear shell, the structure is simple, the adjustment is convenient, and the practicability is stronger, the lens is limited through cooperation of the convex block and the limiting groove, after the convex block is clamped into the limiting groove, the lens does not rotate under no external force, and the stability of the light beam angle can be ensured.

[0075] In summary, the PAR lamp provides a rotating mode to switch multiple groups of light sources and the light emitting angle of the lamp, the control mode is simple and convenient to operate, the cost of realizing the multi-angle application scene is low, the damage of outdoor splashing water to the internal electronic devices can be prevented, the application range is wide, and the reliability is high.

[0076] The above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it, although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A waterproof PAR lamp with adjustable beam angle, comprising a lamp housing, a lamp holder (4) disposed at one end of the lamp housing, and a lamp cover (1) disposed at the other end of the lamp housing; characterized in that: The lamp housing includes a front housing (3) and a rear housing (2). One end of the front housing (3) is connected to the lamp head (4), and the rear housing (2) is rotatably connected to the other end of the front housing (3) via a bracket (5). A sealing structure is provided between the front housing (3) and the rear housing (2) to seal the cavity inside the lamp housing. The bracket (5), the rear housing (2) and the lampshade (1) cooperate to form a first cavity (25). The first cavity (25) is provided with a lens assembly (7) that is fixedly connected to the bracket (5). A lamp plate (6) is provided between the lens assembly (7) and the bracket (5), and the lamp plate (6) is connected to the rear housing (2). The bracket (5) is provided with at least one elastic element (51), and the elastic element (51) is provided with a protrusion (52). The inner wall of the rear housing (2) is provided with a plurality of limiting grooves (22) that are adapted to the protrusions (52). When the rear housing (2) rotates relative to the front housing (3), the protrusions (52) provided on the elastic element (51) are engaged in the limiting grooves (22) at different positions, so as to adjust the lamp bead units on the lamp plate (6) to align with each lens unit on the lens assembly (7) in sequence.

2. The waterproof PAR lamp with adjustable beam angle according to claim 1, characterized in that: The rear housing (2) has a connecting ring (23) at one end near the front housing (3), and the connecting ring (23) is connected to the inner wall of the rear housing (2) through a connecting block (21); the connecting post built into the front housing (3) passes through the gap between the connecting ring (23) and the inner wall of the rear housing (2), and the bracket (5) is connected to the connecting post.

3. A waterproof PAR lamp with adjustable beam angle according to claim 2, characterized in that: The bracket (5) has at least two connectors (54) on its side, and the bracket (5) is connected to the connecting post of the front housing (3) through the connectors (54).

4. A waterproof PAR lamp with adjustable beam angle according to claim 3, characterized in that: The bracket (5) has an elastic element (51) that spans between the two connecting elements (54), and there is an elastic deformation space between the elastic element (51) and the side of the bracket (5).

5. A waterproof PAR lamp with adjustable beam angle according to claim 2, characterized in that: The bracket (5) passes through a through hole provided on the lamp plate (6) and is connected to the lens assembly (7).

6. A waterproof PAR lamp with adjustable beam angle according to claim 1, characterized in that: The rear housing (2) has an annular sealing groove (24) at one end near the front housing (3), and the front housing (3) has a sealing ring (31) at one end near the rear housing (2); The sealing ring (31) is inserted into the sealing groove (24), and the sealing ring (31) and the sealing groove (24) together form a sealing space for placing the sealing ring (8), and the sealing ring (8) and the sealing space form an interference fit.

7. A waterproof PAR lamp with adjustable beam angle according to claim 1, characterized in that: The inner wall of the rear housing (2) is provided with an inlay groove for embedding the reflector cup (9), and the inner wall of the reflector cup (9) is provided with an annular snap-fit ​​groove (91), and the side of the lamp plate (6) is snapped into the snap-fit ​​groove (91).

8. A waterproof PAR lamp with adjustable beam angle according to claim 1, characterized in that: It also includes a light source driver board, which is arranged in conjunction with the bracket (5), the front housing (3) and the lamp head (4) to form a second cavity (26). The light source driver board is connected to the lamp board (6) through wires. The light source driver board is used to drive the lamp bead units on the lamp board (6) to emit light.

9. A waterproof PAR lamp with adjustable beam angle according to claim 8, characterized in that: The light source driver board includes a first driver board (32) with a first dimming module (33) and a second driver board (41) with a second dimming module (42); the first driver board (32) is inserted into the inner wall of the front housing (3), and the second driver board (41) is disposed in the lamp head (4).

10. A waterproof PAR lamp with adjustable beam angle according to claim 9, characterized in that: The knob of the first dimming module (33) passes through an opening provided in the front housing (3), the opening being covered by an elastically deformable protrusion; The lamp head (4) is rotatably connected to a contact (43) at the end away from the front housing (3). The contact (43) is connected to the knob of the second dimming module (42) through a rotating connector (44) so ​​that the knob of the second dimming module (42) slides by rotating the contact (43).

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