CN220828791U - Waterproof focus-adjustable projection lamp - Google Patents
Waterproof focus-adjustable projection lamp Download PDFInfo
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- CN220828791U CN220828791U CN202322594562.0U CN202322594562U CN220828791U CN 220828791 U CN220828791 U CN 220828791U CN 202322594562 U CN202322594562 U CN 202322594562U CN 220828791 U CN220828791 U CN 220828791U
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- ring body
- inner ring
- groove
- light source
- annular groove
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- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000008602 contraction Effects 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides a waterproof and focusing-adjustable projection lamp, which comprises a lamp body, wherein the lamp body comprises a lamp holder, an inner ring body, an LED light source, a lens assembly and a light-transmitting panel; the inner ring body is rotatably arranged in the light source groove around an axis; the LED light source is arranged in the light source groove; the lens component covers the LED light source; the light-transmitting panel is covered on the light outlet of the inner ring body; a spiral telescopic mechanism which can enable the lens assembly to do linear reciprocating motion along the axis when the inner ring body rotates is arranged between the inner ring body and the lens assembly; a first annular groove and a second annular groove are formed in the outer annular wall of the inner ring body; the annular groove wall is penetrated with a locking screw, and a screw rod of the locking screw can extend into the first annular groove to abut against the inner ring body; and a first sealing rubber ring is arranged in the second annular groove. According to the technical scheme, focusing is carried out by adjusting the expansion and contraction of the lens assembly, so that the power-on stability of the light source is not affected; and a sealing rubber ring is arranged between the outer part of the inner ring body and the lamp holder, so that the waterproof performance is improved.
Description
Technical Field
The utility model relates to a waterproof and focusing-adjustable projection lamp.
Background
Most of the existing lamps are focused by a telescopic lamp cap, such as a telescopic spotlight disclosed in Chinese patent No. 206904764U, when focusing, the whole lamp cap is telescopic, so that the adjustment of a projection focus is realized, and the wires of a light source in the lamp cap connected by the structure are easily pulled to cause unstable electrifying.
Disclosure of utility model
The utility model aims to provide a waterproof and focusing projection lamp which comprises a lamp body, wherein the lamp body comprises a lamp holder, an inner ring body, an LED light source, a lens assembly and a light-transmitting panel; the front end of the lamp holder is provided with a light source groove; the light source groove comprises a groove bottom and an annular groove wall surrounding the groove bottom; the inner ring body is rotatably arranged in the light source groove around an axis, and the outer ring wall of the inner ring body is in rotary fit with the annular groove wall; the LED light source is arranged on the bottom of the light source groove; the lens component covers the LED light source and is positioned in the inner ring body; the front end of the inner ring body is provided with a light outlet, and the light-transmitting panel covers the light outlet; a spiral telescopic mechanism which can enable the lens assembly to do linear reciprocating motion along the axis when the inner ring body rotates is arranged between the inner ring body and the lens assembly; the spiral telescopic mechanism comprises a spiral groove arranged on the inner annular wall of the inner annular body and a ball group arranged on the lens component; the spiral groove extends spirally around an axis; the balls of the ball group fall into the spiral groove so that the balls are guided by the spiral groove; a first annular groove and a second annular groove are formed in the outer annular wall of the inner ring body; the annular groove wall is penetrated with a locking screw, and a screw rod of the locking screw can extend into the first annular groove to abut against the inner ring body; and a first sealing rubber ring is arranged in the second annular groove and clamped between the inner ring body and the annular groove wall of the light source groove.
According to the projection lamp, the lens assembly is adjusted to stretch out and draw back, focusing is conducted by adjusting the distance between the lens and the light-transmitting panel, and in the focusing process, the position of the light source is unchanged and the electrified stability is not affected.
In addition, the spiral telescopic mechanism of the technical scheme is arranged in the inner ring body, and a waterproof structure (a first sealing rubber ring) can be arranged between the outer side of the inner ring body and the lamp holder; and the damping sense generated by the first sealing rubber ring can limit the rotation speed of the inner ring body, so that the focus can be conveniently fine-adjusted.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the lamp body of the present utility model.
Fig. 3 is an exploded view based on fig. 2.
Fig. 4 is an exploded view of the lamp body of the present utility model.
Fig. 5 is a schematic structural view of a lens assembly according to the present utility model.
Detailed Description
The scheme of the application is further described with reference to the accompanying drawings:
Referring to fig. 1-5, a waterproof focus-adjustable projector comprises a projector body 100 and a mounting frame 200; the lamp body 100 is hinged with the mounting frame 200.
The lamp body 100 comprises a lamp holder 1, an inner ring body 2, an LED light source 3, a lens 41 assembly 4 and a light-transmitting panel 5.
The front end of the lamp holder 1 is provided with a light source groove 11; the light source groove 11 includes a groove bottom 111 and an annular groove wall 112 surrounding the groove bottom 111; the inner ring 2 is rotatably mounted in the light source groove 11 about an axis L, and the outer annular wall of the inner ring 2 is in rotational engagement with the annular groove wall 112. The axis L coincides with the central axis of the inner ring body 2.
The LED light source 3 is arranged on the bottom 111 of the light source groove 11; the lens 41 assembly 4 covers the LED light source 3 and is positioned in the inner ring body 2; the front end of the inner ring body 2 is provided with a light outlet 21, and the light-transmitting panel 5 covers the light outlet 21.
A spiral telescopic mechanism which can lead the lens 41 assembly 4 to linearly reciprocate along the axis when the inner ring body 2 rotates is arranged between the inner ring body 2 and the lens 41 assembly 4. The spiral telescopic mechanism comprises a spiral groove 22 arranged on the inner annular wall of the inner annular body 2 and a ball group 43 arranged on the lens 41 assembly 4; the helical groove 22 extends helically about an axis L; the balls of the ball group 43 fall into the spiral groove 22 so that the balls are guided by the spiral groove 22.
The ball groups 43 are provided with a plurality of groups, and the ball groups 43 are uniformly distributed at intervals around the axis; the number of the spiral grooves 22 corresponds to that of the ball groups 43, and the spiral grooves 22 are uniformly distributed at intervals around the axis; each ball group 43 falls into the corresponding spiral groove 22. In this embodiment, there are three ball groups 43 to form a stable guide.
The outer annular wall of the inner annular body 2 is provided with a first annular groove 23 and a second annular groove 24.
The annular groove wall 112 is penetrated with a locking screw 6, and the screw rod of the locking screw 6 can extend into the first annular groove 23 to abut against the inner ring body 2 so as to limit the rotation of the inner ring body to position.
The annular groove wall 112 is provided with a detachable radial pin 12, and the radial pin 12 falls into the first annular groove 23 of the inner ring body 2.
In this embodiment, two radial pins 12 are symmetrically disposed.
The radial pin shaft 12 radially limits the inner ring body 2, prevents the inner ring body from being separated from the lamp holder 1, has a rotary guiding function, and improves stability.
The second ring groove 24 is internally provided with a first sealing rubber ring 7, and the first sealing rubber ring 7 is clamped between the inner ring body 2 and the annular groove wall 112 of the light source groove 11. Two second annular grooves 24 are arranged, and each second annular groove 24 is provided with a first sealing rubber ring 7.
According to the projection lamp, the lens 41 assembly 4 is adjusted to stretch, so that the distance between the lens 41 and the light-transmitting panel 5 is adjusted to focus, the position of a light source is unchanged in the focusing process, and the electrified stability is not affected.
In addition, the spiral telescopic mechanism of the technical scheme is arranged in the inner ring body 2, and a waterproof structure (a first sealing rubber ring 7) can be arranged between the outside of the inner ring body 2 and the lamp holder 1; and the damping sense generated by the first sealing rubber ring 7 can limit the rotation speed of the inner ring body 2, so that the focus can be finely adjusted.
The second ring groove 24 and the first sealing rubber ring 7 are internally provided with fit conical surfaces 241 and 71; the tapered surfaces 241, 71 are inclined inward from the front end to the rear end of the inner ring body 2.
According to the technical scheme, the first sealing rubber ring 7 is matched with the inner ring body 2 through the conical surface, so that the assembly stability of the first sealing rubber ring 7 is improved, and the inner ring body 2 is prevented from loosening during rotation.
The lamp body 100 further includes a fixing frame 9 detachably mounted to the front end of the inner ring body 2, and the edge of the light-transmitting panel 5 is sandwiched between the fixing frame 9 and the inner ring body 2. The fixed frame 9 is connected with the inner ring body 2 through a buckling connection or a screw connection or other existing connecting pieces; in this embodiment, the fixing frame 9 is connected to the inner ring 2 by a screw.
A second sealing rubber ring 8 is clamped between the light-transmitting panel 5 and the inner ring body 2 to seal an installation gap between the light-transmitting panel 5 and the inner ring body 2, so that the waterproof performance of the lamp body 100 is ensured; the edge of the light outlet 21 is provided with a third annular groove 25 for accommodating the second sealing rubber ring 8.
The lens 41 assembly 4 comprises a lens 41 and a lens holder 42. The lens support 42 is in a circular ring shape, and the central axis of the lens support 42 coincides with the axis L of rotation of the inner ring body 2. The ball group 43 is mounted on the lens holder 42; the lens holder 42 is provided with a guide post 44, the bottom 111 of the light source groove 11 is provided with a guide hole 13, and the guide post 44 is movably inserted into the guide hole 13 along the axis.
In this embodiment, two guide posts 44 are inserted into the corresponding two guide holes 13.
According to the technical scheme, the lens 41 assembly 4 is guided in a matched mode through the guide post 44 and the guide hole 13, and the stability of axial movement of the lens 41 assembly 4 is improved.
The inner ring body 2 comprises a first ring body part 201 and a second ring body part 202; the outer diameter of the first ring body portion 201 is larger than the outer diameter of the second ring body portion 202; the second ring portion 202 is disposed in the light source groove 11, and the first ring portion 201 abuts against the front end of the lamp socket 1.
The locking screw 6 is provided with a knob portion 61 for facilitating hand-held rotation.
The lamp socket 1 comprises a heat sink 14 at the tail.
The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present application, and all such technical deductions, substitutions, improvements made on the basis of the same, similar or similar embodiments of the present application should be regarded as the protection scope of the present patent.
Claims (9)
1. The utility model provides a waterproof projecting lamp that can focus, includes the lamp body, its characterized in that: the lamp body comprises a lamp holder, an inner ring body, an LED light source, a lens assembly and a light-transmitting panel;
The front end of the lamp holder is provided with a light source groove; the light source groove comprises a groove bottom and an annular groove wall surrounding the groove bottom; the inner ring body is rotatably arranged in the light source groove around an axis, and the outer ring wall of the inner ring body is in rotary fit with the annular groove wall;
The LED light source is arranged on the bottom of the light source groove; the lens component covers the LED light source and is positioned in the inner ring body; the front end of the inner ring body is provided with a light outlet, and the light-transmitting panel covers the light outlet;
A spiral telescopic mechanism which can enable the lens assembly to do linear reciprocating motion along the axis when the inner ring body rotates is arranged between the inner ring body and the lens assembly;
The spiral telescopic mechanism comprises a spiral groove arranged on the inner annular wall of the inner annular body and a ball group arranged on the lens component; the spiral groove extends spirally around an axis; the balls of the ball group fall into the spiral groove so that the balls are guided by the spiral groove;
a first annular groove and a second annular groove are formed in the outer annular wall of the inner ring body;
The annular groove wall is penetrated with a locking screw, and a screw rod of the locking screw can extend into the first annular groove to abut against the inner ring body;
And a first sealing rubber ring is arranged in the second annular groove and clamped between the inner ring body and the annular groove wall of the light source groove.
2. The waterproof focus-adjustable projector of claim 1, wherein:
The second annular groove and the first sealing rubber ring are internally provided with fit conical surfaces; the conical surface is inclined inwards from the front end of the inner ring body to the rear end.
3. The waterproof focus-adjustable projector of claim 1, wherein:
The lamp body further comprises a fixed frame detachably arranged at the front end of the inner ring body, and the edge of the light-transmitting panel is clamped between the fixed frame and the inner ring body;
A second sealing rubber ring is clamped between the light-transmitting panel and the inner ring body; and a third annular groove for accommodating the second sealing rubber ring is formed in the edge of the light outlet.
4. The waterproof focus-adjustable projector of claim 1, wherein:
The lens assembly includes a lens and a lens holder;
The ball group is arranged on the lens bracket;
The lens support is provided with a guide column, the bottom of the light source groove is provided with a guide hole, and the guide column can be movably inserted into the guide hole along the axis.
5. The waterproof focus-adjustable projector of claim 4, wherein:
The ball groups are provided with a plurality of groups, and the ball groups are uniformly distributed at intervals around the axis;
The number of the spiral grooves corresponds to that of the ball groups, and the spiral grooves are uniformly distributed at intervals around the axis;
each ball group falls into the corresponding spiral groove.
6. The waterproof focus-adjustable projector of claim 1, wherein:
a detachable radial pin shaft is arranged on the wall of the annular groove, and falls into the first annular groove of the inner ring body.
7. The waterproof focus-adjustable projector of claim 1, wherein:
the number of the second annular grooves is two, and each second annular groove is provided with a first sealing rubber ring.
8. The waterproof focus-adjustable projector of claim 1, wherein:
The inner ring body comprises a first ring body part and a second ring body part;
The outer diameter of the first ring body part is larger than that of the second ring body part;
The second ring body part is arranged in the light source groove, and the first ring body part is abutted against the front end of the lamp holder.
9. The waterproof focus-adjustable projector of claim 1, wherein:
The locking screw is provided with a knob portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322594562.0U CN220828791U (en) | 2023-09-22 | 2023-09-22 | Waterproof focus-adjustable projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322594562.0U CN220828791U (en) | 2023-09-22 | 2023-09-22 | Waterproof focus-adjustable projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220828791U true CN220828791U (en) | 2024-04-23 |
Family
ID=90725435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322594562.0U Active CN220828791U (en) | 2023-09-22 | 2023-09-22 | Waterproof focus-adjustable projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220828791U (en) |
-
2023
- 2023-09-22 CN CN202322594562.0U patent/CN220828791U/en active Active
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