Par lamp
By introducing a dial switch and a rotary sleeve design into the par light, the light efficiency adjustment is achieved by using the dial switch to toggle the dial switch, which solves the problem of high assembly accuracy of traditional par lights and improves production efficiency and user experience.
Patent Information
- Application Number
- CN202421952607.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-12
AI Technical Summary
Traditional par lamps require high-precision assembly when adjusting the light output effect, resulting in high production costs, difficult to reduce the defect rate, and single functions.
The design of the dial switch and the rotary sleeve is adopted, and the light efficiency adjustment is achieved by toggling the dial switch on the inner side of the rotary sleeve, reducing assembly accuracy requirements, and improving the operating experience through rounded corners and indicators.
The adjustable lighting control is realized, which reduces the production failure rate, improves production efficiency and user experience, while enhancing the convenience of assembly and intuitive operation.
Smart Images

Figure CN223049981U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a lighting device, in particular to a par lamp. Background Art
[0002] When working, traditional par lamps can only irradiate fixed brightness of light. As people's usage requirements gradually increase, traditional par lamps are difficult to meet usage needs. In order to enrich the usage functions of par lamps, some par lamps are equipped with knob switches to control and adjust the light effect. During assembly, the button on the outside of the par lamp needs to be accurately connected to the rotating end of the rotary switch inside the par lamp. This requires high assembly accuracy for both, resulting in high production costs and difficulty in reducing the defective rate. Therefore, there is an urgent need for a par lamp that can be adjusted and is easy to produce. Utility Model Content
[0003] The utility model aims to provide a par lamp to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.
[0004] The solution of the utility model to solve the technical problem is:
[0005] A PAR lamp comprises: a lamp body, wherein a dip switch is arranged inside, and a hole is arranged on the outer side of the lamp body opposite to the dip switch; a rotating sleeve, which is rotatably connected to the outer side of the lamp body, and a pull rib is formed on the inner side of the rotating sleeve opposite to the hole, and at least two pull ribs are arranged at intervals along the circumference of the rotating sleeve, and at least two of the pull ribs extend to both sides of the toggle end of the dip switch.
[0006] This technical solution has at least the following beneficial effects: the lamp body can provide a lighting function, and when it is necessary to adjust the effect of the lamp body emitting light outward, the rotating sleeve is rotated forward or reversed, and two levers arranged at intervals on the inner side of the rotating sleeve are used to apply force from the side of the toggle end of the toggle switch, thereby driving the toggle end of the toggle switch to move, thereby adjusting the light effect of the lamp body and making the functions of the par lamp more diverse. Since the force is applied to the toggle end of the toggle switch directly through the two levers arranged at intervals on the inner side of the rotating sleeve, during assembly, it is not necessary for the shape of the toggle end of the toggle switch to be completely adapted to or identical to the shape of the spacing space between the two levers, which reduces the production and assembly accuracy requirements for the rotating sleeve and the toggle switch, thereby reducing the production defect rate. In this way, the function of adjustable light control is realized and the overall production efficiency is improved.
[0007] As a further improvement of the above technical solution, the middle parts of the two rib portions located on both sides of the toggle end of the DIP switch arch away from each other, and rounded corners are provided at the ends of the two rib portions that abut against the toggle end of the DIP switch. For the two rib portions that abut against the toggle end of the DIP switch, rounded corners are respectively provided at their ends, so that when the rotating sleeve rotates, the two rib portions always remain in contact with both sides of the toggle end of the DIP switch, and the two rib portions arch away from each other in the middle position, forming a space for the toggle end of the DIP switch to move and avoid. In this way, the rotating sleeve can smoothly shift the DIP switch when rotating, improving the user experience.
[0008] As a further improvement of the above technical solution, a first indication mark is provided at a position on the outer side of the rotating sleeve opposite to the hole, and a second indication mark is provided at a position on the outer side of the lamp body opposite to the first indication mark. When the rotating sleeve rotates, the first indication mark on the outer side of the rotating sleeve matches the second indication mark on the outer side of the lamp body to correspond to the gear position of the DIP switch at this time. In this way, it is more intuitive and convenient to use, further improving the operation and use experience.
[0009] As a further improvement of the above technical solution, the lamp body includes a heat dissipation shell, a lamp head and a light source assembly. The hole is provided on the outer side of the heat dissipation shell. An outgoing light opening is formed by surrounding the bottom end of the heat dissipation shell. The light source assembly is arranged inside the heat dissipation shell. A limiting step is formed on the outer side of the top of the heat dissipation shell, and the limiting step extends around the outer periphery of the heat dissipation shell. The rotating sleeve is sleeved on the outer side of the top of the heat dissipation shell. The lamp head is connected to the top end of the heat dissipation shell, and the lamp head presses the rotating sleeve against the limiting step. During assembly, the rotating sleeve is directly sleeved on the top of the heat dissipation shell, and the rotating sleeve is limited by the limiting step formed on the outer side of the top of the heat dissipation shell. Then the lamp head is connected to the top end of the heat dissipation shell, and the bottom end of the lamp head presses the rotating sleeve downward, so that the rotating sleeve is relatively positioned on the limiting step. During operation, the light source assembly in the heat dissipation shell emits light outwards from the outgoing light opening at the bottom end, and the heat generated when the light source assembly works is transmitted to the heat dissipation shell and directly transmitted to the outside air by the heat dissipation shell, improving the overall heat dissipation efficiency.
[0010] As a further improvement of the above technical solution, a circular flanging is formed by bending the bottom side of the lamp head away from the center of the lamp head, and the circular flanging abuts against the top end of the rotating sleeve. A circular flanging is formed by bending the bottom side of the lamp head. During assembly, the circular flanging abuts against the top end of the rotating sleeve to limit the position of the rotating sleeve. The circular flanging can be used to increase the contact area with the top end of the rotating sleeve, thereby further improving the positioning effect on the rotating sleeve.
[0011] As a further improvement of the above technical solution, an annular groove is provided on the outer side of the heat dissipation shell below the hole, and a sealing ring is provided inside the annular groove, and the sealing ring abuts against the inner side of the rotating sleeve. The sealing ring can enhance the sealing between the rotating sleeve and the outer side of the top of the lamp housing, and reduce the external water vapor from entering the heat dissipation shell through the hole through the assembly gap between the rotating sleeve and the annular step, so that the connection sealing between the rotating sleeve and the heat dissipation shell can be improved while maintaining the stable rotation of the rotating sleeve.
[0012] As a further improvement of the above technical solution, an anti-skid groove is arranged on the outer side of the rotating sleeve, and a plurality of anti-skid grooves are arranged at intervals around the outer side of the rotating sleeve. The plurality of anti-skid grooves can increase the friction force on the outer side of the rotating sleeve, so that the rotating sleeve is not easy to slip when rotating, further improving the use experience.
[0013] As a further improvement of the above technical solution, the light source assembly includes a circuit board, a light board, a reflective cup and a lens. The circuit board and the reflective cup are respectively connected to the heat dissipation shell, the dial switch is connected to the circuit board, the light board is electrically connected to the circuit board, the light board is connected to the reflective cup and is located at the bottom of the circuit board, and the lens is connected to the bottom end of the heat dissipation shell. The circuit board is located on the top side of the light board, and the light board can support the circuit board. When working, the gear position of the dial switch changes, and the light board is controlled by the circuit board to adjust the light effect, and the reflective cup outside the light board can focus the light of the light board, so that the lens at the bottom of the light heat dissipation shell emits light downward.
[0014] As a further improvement of the above technical solution, a connection terminal is connected to the top side of the lamp board, and the connection terminal is connected to the circuit board. During assembly, the connection terminals on the lamp board and the circuit board are connected to each other, so as to achieve electrical connection between the two, and can play a relative limit role for the lamp board and the circuit board, and then the two are installed together in the heat dissipation shell, so that the overall installation is efficient and stable.
[0015] As a further improvement of the above technical solution, a limiting convex rib is provided on the inner side of the heat dissipation shell, and a limiting slot is provided on the bottom side of the limiting rib, and the side edge of the circuit board is clamped in the limiting slot. When the circuit board is installed into the heat dissipation shell, the limiting slot on the limiting rib can be used to quickly locate the side edge of the circuit board, thereby improving the efficiency and stability of the circuit board installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following is a brief description of the drawings required for the description of the embodiments. Obviously, the drawings described are only part of the embodiments of the present utility model, not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative work.
[0017] Figure 1 It is the overall front view of the present utility model.
[0018] Figure 2 It is the three-dimensional view of the rotating sleeve of the present utility model.
[0019] Figure 3 It is the three-dimensional view of the present utility model after removing the lamp head.
[0020] Figure 4 It is the overall explosion schematic diagram of the present utility model.
[0021] In the drawings: 110 - heat dissipation shell, 111 - limit step, 112 - sealing ring, 120 - lamp head, 121 - annular flange, 131 - DIP switch, 132 - circuit board, 133 - lamp board, 134 - reflector, 135 - lens, 140 - limit rib, 210 - hole, 300 - rotating sleeve, 310 - dial rib, 321 - first indication mark, 322 - second indication mark, 330 - anti-slip groove. Detailed implementation manners
[0022] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.
[0023] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0024] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more. Understanding greater than, less than, exceeding, etc. does not include the present number, and understanding above, below, within, etc. includes the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.
[0025] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.
[0026] Refer to Figure 1 、 Figure 2 and Figure 3 , a par lamp, comprising a lamp body and a rotating sleeve 300. Among them, a DIP switch 131 is arranged inside the lamp body. The DIP switch 131 is also called a toggle switch, which has a toggle end or toggle handle for toggling and switching circuits. A hole 210 is arranged at a position on the outer side of the lamp body opposite to the DIP switch 131; the rotating sleeve 300 is rotatably connected to the outer side of the lamp body. At a position on the inner side of the rotating sleeve 300 opposite to the hole 210, a dial rib 310 is formed. At least two dial ribs 310 are arranged at intervals along the circumferential direction of the rotating sleeve 300. Preferably, the number of the dial ribs 310 can be two. After the rotating sleeve 300 is installed in the lamp body, the two dial ribs 310 on the inner side of the rotating sleeve 300 extend into the lamp body from the hole 210, and the two dial ribs 310 are respectively located on both sides of the toggle end of the DIP switch 131.
[0027] As can be seen from the above, the lamp body mainly provides a lighting function. When it is necessary to adjust the light-emitting effect of the lamp body outward, rotate the rotating sleeve 300 forward or backward. Use the two dial ribs 310 arranged at intervals on the inner side of the rotating sleeve 300 to apply force laterally from the toggle end of the toggle switch, so as to drive the toggle end of the DIP switch 131 to move, realizing the adjustment of the light effect of the lamp body, making the functions of the par lamp more diverse. Since the two dial ribs 310 arranged at intervals on the inner side of the rotating sleeve 300 directly apply force to the toggle end of the DIP switch 131, during assembly, it is not necessary for the shape of the toggle end of the DIP switch 131 to be completely shape-matched or the same as the interval space between the two dial ribs 310, reducing the production and assembly precision requirements for the rotating sleeve 300 and the DIP switch 131, thereby reducing the production defect rate. In this way, both the function of adjustable light control of the lamp is realized, and the overall production efficiency can be improved.
[0028] When the lever 310 extends straight along the center direction of the heat dissipation shell 110 on the inner side of the heat dissipation shell 110, there needs to be a gap between the two lever ribs 310 and the toggle end of the dial switch 131, so that when the rotating sleeve 300 rotates, the toggle end of the dial switch 131 will not interfere and get stuck between the two lever ribs 310, affecting the rotation of the rotating sleeve 300. However, the rotating sleeve 300 used in this case cannot stably drive the toggle end to shift gears. In order to improve the user experience, in this embodiment, the middle parts of the lever ribs 310 located on both sides of the toggle end of the dial switch 131 are arched in a direction away from each other, and the ends of the two lever ribs 310 that abut against the toggle end of the dial switch 131 are provided with chamfered corners. The two push ribs 310 that abut against the toggle end of the dial head are respectively provided with rounded corners at their ends, so that when the rotating sleeve 300 rotates, the two push ribs 310 always keep against the two sides of the toggle end of the dial switch 131, and the two dial switches 131 are arched away from each other in the middle position, which can form a space for the toggle end of the dial switch 131 to move around. In this way, the rotating sleeve 300 can maintain smooth gear adjustment of the dial switch 131 when rotating, thereby improving the user experience.
[0029] Since the rotating sleeve 300 blocks the position of the hole 210, the gear state of the dial switch 131 cannot be intuitively known at this time. In order to facilitate the control of light emission, in this embodiment, the position of the rotating sleeve 300 facing the hole 210 is provided with a first indicator mark 321, and the position of the lamp body facing the first indicator mark 321 is provided with a second indicator mark 322. When the rotating sleeve 300 is rotated, the first indicator mark 321 on the outside of the rotating sleeve 300 and the second indicator mark 322 on the outside of the lamp body match each other to correspond to the gear position of the dial switch 131 at this time, so that it is more intuitive and convenient when used, and the operation experience is further improved. In practical applications, the first indicator mark 321 can be an indicator arrow set on the outside of the rotating sleeve 300, and the second indicator mark 322 can be a plurality of gear marks set on the outside of the lamp body, and the plurality of gear marks are evenly arranged around the periphery of the lamp body and correspond to the gear position of the dial switch 131. When in use, the gear state of the dial switch 131 can be known through the gear mark corresponding to the indicator arrow. Alternatively, the first indicator mark 321 is a plurality of gear marks arranged outside the rotating sleeve 300, and the second indicator mark 322 is an indicator arrow arranged outside the lamp body. Similarly, the indicator arrow on the lamp body indicates the gear state of the dial switch 131 at this time.
[0030] The lamp body has the main lighting function, such as Figure 4As shown in the figure, the lamp body includes a heat dissipation shell 110, a lamp head 120 and a light source assembly. The hole 210 is arranged outside the heat dissipation shell 110. The bottom end of the heat dissipation shell 110 is surrounded to form a light outlet. The light source assembly is arranged inside the heat dissipation shell 110. A limiting step 111 is formed on the outer side of the top of the heat dissipation shell 110. The limiting step 111 extends around the outer periphery of the heat dissipation shell 110. The rotating sleeve 300 is sleeved on the outer side of the top of the heat dissipation shell 110. The lamp head 120 is connected to the top end of the heat dissipation shell 110. The lamp head 120 presses the rotating sleeve 300 against the limiting step 111. In practical applications, a cavity that penetrates in the up-down direction of the hole 210 is formed inside the heat dissipation shell 110. The bottom space of the heat dissipation shell 110 gradually increases downward to form a lamp shade, which is convenient for installing the light source assembly. And the top of the heat dissipation shell 110 forms a top space that extends upward. The cross-sectional area of this top space is smaller than the space at the bottom of the heat dissipation shell 110. Thus, the rotating sleeve 300 is sleeved on the top of the heat dissipation shell 110, and the lamp head 120 is connected to its top end.
[0031] When assembling the lamp body, the rotating sleeve 300 is directly sleeved on the top of the heat dissipation shell 110. The limiting step 111 formed on the outer side of the top of the heat dissipation shell 110 is used to limit the rotating sleeve 300. Then the lamp head 120 is connected to the top end of the heat dissipation shell 110. The bottom end of the lamp head 120 is used to press the rotating sleeve 300 downward, so that the rotating sleeve 300 is relatively positioned on the limiting step 111. During operation, the light source assembly in the heat dissipation shell 110 emits light outward from the light outlet at the bottom end, and the heat generated when the light source assembly works is transferred to the heat dissipation shell 110 and directly transferred from the heat dissipation shell 110 to the external air, improving the overall heat dissipation efficiency.
[0032] When the lamp head 120 is connected to the top end of the heat dissipation shell 110, it is inserted into the inner bottom of the lamp head 120 from the bottom end of the heat dissipation shell 110, and then the two are fixed together by driving in connecting parts or other means. At this time, the bottom end of the lamp head 120 abuts against the top end of the rotating sleeve 300. In order to increase the contact area with the rotating sleeve 300, in this embodiment, a circular flanging 121 is formed by bending the bottom side of the lamp head 120 in a direction away from the center of the lamp head 120. The circular flanging 121 abuts against the top end of the rotating sleeve 300. The bottom side of the lamp head 120 is bent to form a circular flanging 121. During assembly, the circular flanging 121 abuts against the top end of the rotating sleeve 300 to limit the position of the rotating sleeve 300. The circular flanging 121 can be used to increase the contact area with the top end of the rotating sleeve 300, thereby further improving the positioning effect on the rotating sleeve 300.
[0033] In order to improve the sealing performance between the rotating sleeve 300 and the heat dissipation housing 110, in this embodiment, an annular groove is provided at a position below the hole 210 on the outer side of the heat dissipation housing 110. The annular groove is a groove formed around the outer circumference of the heat dissipation housing 110. A sealing ring 112 is sleeved in the annular groove, and the sealing ring 112 abuts against the inner side of the rotating sleeve 300. The sealing ring 112 can enhance the sealing performance between the rotating sleeve 300 and the outer side of the top of the lamp housing, reducing the entry of external water vapor into the heat dissipation housing 110 from the assembly gap between the rotating sleeve 300 and the annular step through the hole 210. In this way, the connection sealing performance between the rotating sleeve 300 and the heat dissipation housing 110 can be improved while keeping the rotating sleeve 300 rotating stably.
[0034] When the outer side of the rotating sleeve 300 is a smooth structure, since the connection between the rotating sleeve 300 and the heat dissipation housing 110 is tight, and the lamp head 120 has a certain pressure on the rotating sleeve 300, it is easy to slip with the rotating sleeve 300 at this time. Therefore, in this embodiment, anti-slip grooves 330 are provided on the outer side of the rotating sleeve 300. The anti-slip grooves 330 extend in the up and down direction, and a plurality of anti-slip grooves 330 are arranged at intervals around the outer side of the rotating sleeve 300. The plurality of anti-slip grooves 330 can increase the friction on the outer side of the rotating sleeve 300, so it is not easy to slip when rotating the rotating sleeve 300, further improving the user experience.
[0035] As a specific structural embodiment of the light source assembly, the light source assembly includes a circuit board 132, a lamp board 133, a reflector 134 and a lens 135. The circuit board 132 and the reflector 134 are respectively connected inside the heat dissipation housing 110. The dip switch 131 is connected to the circuit board 132. The lamp board 133 is electrically connected to the circuit board 132. The lamp board 133 is connected inside the reflector 134 and is located on the bottom side of the circuit board 132. The lens 135 is connected to the bottom end of the heat dissipation housing 110. The lens 135 mainly has an effect of homogenizing light. In practical applications, a positioning step can be formed on the inner side of the heat dissipation housing 110. The positioning step extends around the inner side of the heat dissipation housing 110. When the lamp board 133 is installed into the heat dissipation housing 110, its side is positioned at the positioning step, so as to realize the quick positioning of the lamp board 133. And an annular clamping groove is provided at the inner side position of the bottom end of the heat dissipation housing 110. When installing the lens 135, the side of the lens 135 can be snapped into the annular clamping groove, so as to quickly install and position the lens 135.
[0036] In this light source assembly, the circuit board 132 is located on the top side of the lamp board 133. The lamp board 133 can support the circuit board 132. During operation, the position of the DIP switch 131 changes, and the circuit board 132 controls the lamp board 133 to adjust the light effect of the emitted light. The reflector 134 outside the lamp board 133 can condense the light of the lamp board 133, so that the lens 135 at the bottom end of the light-emitting heat dissipation shell 110 emits light downward.
[0037] The electrical connection between the lamp board 133 and the circuit board 132 can be directly achieved by connecting the two with wires. In this embodiment, however, a terminal block is connected to the top side of the lamp board 133, and the terminal block is docked with the circuit board 132. During assembly, the terminal blocks on the lamp board 133 and the circuit board 132 are docked with each other, thereby realizing the electrical connection between the two and playing a role in relatively limiting the lamp board 133 and the circuit board 132. Then, the two are installed together into the heat dissipation shell 110. In this way, the overall installation is efficient and stable.
[0038] In order to facilitate the positioning of the circuit board 132, in this embodiment, a limiting rib 140 is provided on the inner side of the heat dissipation shell 110, and a limiting groove is provided on the bottom side of the limiting rib 140. The side of the circuit board 132 is clamped in the limiting groove. In practical applications, at the same horizontal position, two limiting ribs 140 are spaced apart on the inner side of the heat dissipation shell 110, and the two limiting ribs 140 respectively clamp both sides of the circuit board 132. When the circuit board 132 is installed into the heat dissipation shell 110, the limiting groove on the limiting rib 140 can quickly position the side of the circuit board 132, thereby improving the installation efficiency and stability of the circuit board 132. In addition, multiple limiting ribs 140 can be respectively provided at different heights in the heat dissipation shell 110. For example, two limiting ribs 140 are spaced apart at the position at the top in the heat dissipation shell 110. At this time, a limiting groove for limiting the side of the circuit board 132 is formed between the two limiting ribs 140. Taking these two limiting ribs 140 as a limiting group, two are provided at the same horizontal position in the heat dissipation shell 110, and the two limiting groups are used to respectively limit both sides of the circuit board 132.
[0039] The above has specifically described the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments. Those skilled in the art can also make various equivalent variations or substitutions without departing from the spirit of the present invention, and these equivalent variations or substitutions are all included in the scope defined by the claims of this application.
Claims
1. A par lamp, characterized in that: include: A lamp body is provided with a dial switch (131) inside, and a hole (210) is provided on the outside of the lamp body at a position directly facing the dial switch (131); A rotating sleeve (300) is rotatably connected to the outside of the lamp body, and a lever (310) is formed on the inside of the rotating sleeve (300) at a position directly opposite to the hole (210). At least two levers (310) are arranged at intervals along the circumference of the rotating sleeve (300), and at least two levers (310) extend to both sides of the toggle end of the dial switch (131).
2. A par lamp according to claim 1, characterized in that: The middle parts of the lever ribs (310) located on both sides of the toggle end of the toggle switch (131) are arched in directions away from each other, and the ends of the two lever ribs (310) abutting against the toggle end of the toggle switch (131) are provided with rounded corners.
3. A par lamp according to claim 1, characterized in that: A first indication mark (321) is provided on the outer side of the rotating sleeve (300) at a position directly opposite to the hole (210), and a second indication mark (322) is provided on the outer side of the lamp body at a position directly opposite to the first indication mark (321).
4. A par lamp according to claim 1, characterized in that: The lamp body comprises a heat dissipation shell (110), a lamp holder (120) and a light source assembly; the hole (210) is arranged on the outside of the heat dissipation shell (110); the bottom end of the heat dissipation shell (110) is surrounded by a light outlet; the light source assembly is arranged in the heat dissipation shell (110); a limiting step (111) is formed on the outside of the top of the heat dissipation shell (110); the limiting step (111) extends around the periphery of the heat dissipation shell (110); the rotating sleeve (300) is sleeved on the outside of the top of the heat dissipation shell (110); the lamp holder (120) is connected to the top of the heat dissipation shell (110); and the lamp holder (120) presses the rotating sleeve (300) against the limiting step (111).
5. A par lamp according to claim 4, characterized in that: The bottom side of the lamp holder (120) is bent in a direction away from the center of the lamp holder (120) to form an annular flange (121), and the annular flange (121) abuts against the top end of the rotating sleeve (300).
6. A par lamp according to claim 4, characterized in that: An annular groove is provided on the outside of the heat dissipation shell (110) at a position below the hole (210), a sealing ring (112) is provided inside the annular groove, and the sealing ring (112) abuts against the inner side of the rotating sleeve (300).
7. A par lamp according to claim 4, characterized in that: The outer side of the rotating sleeve (300) is provided with an anti-skid groove (330), and a plurality of the anti-skid grooves (330) are arranged at intervals around the outer side of the rotating sleeve (300).
8. A par lamp according to claim 4, characterized in that: The light source assembly comprises a circuit board (132), a lamp board (133), a reflective cup (134) and a lens (135); the circuit board (132) and the reflective cup (134) are respectively connected to the heat dissipation shell (110); the dial switch (131) is connected to the circuit board (132); the lamp board (133) is electrically connected to the circuit board (132); the lamp board (133) is connected to the reflective cup (134) and is located at the bottom side of the circuit board (132); and the lens (135) is connected to the bottom end of the heat dissipation shell (110).
9. A par lamp according to claim 8, characterized in that: The top side of the lamp board (133) is connected to a connection terminal, and the connection terminal is butt-jointed to the circuit board (132).
10. A par lamp according to claim 8, characterized in that: A limiting convex rib (140) is provided on the inner side of the heat dissipation shell (110), a limiting slot is provided on the bottom side of the limiting convex rib (140), and a side edge of the circuit board (132) is clamped in the limiting slot.