CN213656382U - Lamp capable of adjusting beam angle - Google Patents
Lamp capable of adjusting beam angle Download PDFInfo
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- CN213656382U CN213656382U CN202022671782.5U CN202022671782U CN213656382U CN 213656382 U CN213656382 U CN 213656382U CN 202022671782 U CN202022671782 U CN 202022671782U CN 213656382 U CN213656382 U CN 213656382U
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- lamp body
- sliding groove
- sliding
- spring
- beam angle
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Abstract
The utility model discloses a lamp with adjustable beam angle, which comprises a lamp body, a light source and a lens unit, wherein the lamp body is provided with a lamp body chute, the lamp body chute is one section of a spiral chute, and the axial direction of the spiral chute is parallel to the axial direction of the lamp body; the lens unit comprises a lens, a sliding fixing mechanism and an installation block, and when the installation block and the lamp body sliding groove are positioned at a preset position, the installation block and the lamp body sliding groove are fixedly connected through the sliding fixing mechanism; the light source sets up in the space that forms between lamp body and lens unit, the utility model discloses simple structure adjusts reliably, has realized the illumination of multiple angle.
Description
Technical Field
The utility model relates to a can adjust lamps and lanterns of beam angle belongs to the lighting technology field.
Background
The beam angle of lamps and lanterns has reflected spot size and illumination intensity after the light emission goes out, and different beam angles can bring different illuminating effect, and the present beam angle of lamps and lanterns is mostly all fixed at present, and its irradiant angle and intensity can't change, and when the lighting environment of use need change, it hardly adapts to on-the-spot demand.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the not enough that exists among the prior art, the utility model provides a simple structure, convenient and reliable, can adjust beam angle's adjustable beam angle lamps and lanterns, this lamps and lanterns are through adjusting the distance between light source and the lens, can realize the change of its beam angle, consequently can change its irradiant angle and power according to the user's demand.
The technical scheme is as follows: in order to achieve the above object, the utility model adopts the following technical scheme:
a kind of lamps and lanterns that can adjust the beam angle, including lamp body, light source, lens unit, wherein:
the lamp body is provided with a lamp body sliding groove, the lamp body sliding groove is a section of a spiral sliding groove, and the axial direction of the spiral sliding groove is parallel to the axial direction of the lamp body.
The lens unit comprises a lens, a sliding fixing mechanism and an installation block, the installation block is arranged on the lens, the sliding fixing mechanism is installed on the installation block, the sliding fixing mechanism is connected with the lamp body sliding groove in a sliding mode, and when the installation block and the lamp body sliding groove are located at preset positions, the installation block is fixedly connected with the lamp body sliding groove through the sliding fixing mechanism.
The light source is disposed in a space formed between the lamp body and the lens unit.
Preferably: the lamp body is provided with a ventilation assembly, the ventilation assembly comprises a sealing nut and a hollow screw rod, the hollow screw rod is arranged on the lamp body, one end of the hollow screw rod is communicated with a space formed between the lamp body and the lens unit, and the other end of the hollow screw rod is connected with the sealing nut.
Preferably: the sliding fixing mechanism is a positioning screw.
Preferably: the sliding fixing mechanism comprises a sliding rod and a spring fixing device, one end of the sliding rod is fixedly connected with the mounting block, the other end of the sliding rod penetrates through the lamp body sliding groove to be connected with the spring fixing device, and the spring fixing device is used for elastically fixing the mounting block and the lamp body sliding groove.
Preferably: the spring fixing device comprises a first spring and a first fixing block, the first fixing block is fixedly connected with the sliding rod, the first spring is fixedly connected with the first fixing block, and the first spring is located between the lamp body sliding groove and the first fixing block.
Preferably: the spring fixing device comprises a second spring and a second fixing block, the second spring is arranged on the sliding rod, one end of the second spring is fixedly connected with the sliding rod, and the other end of the second spring penetrates through the lamp body sliding groove and is fixedly connected with the second fixing block.
Preferably: and the lamp body sliding groove is provided with light beam angle scales.
Preferably: three sliding gears are arranged on the sliding groove of the lamp body and correspond to three light beam angles of 65 degrees, 90 degrees and 105 degrees respectively.
Compared with the prior art, the utility model, following beneficial effect has:
1. the beam angle of the existing lamp is mostly fixed, the illumination angle and the intensity of the existing lamp cannot be changed frequently, the existing lamp is difficult to adapt to the field requirement when the lighting environment needs to be changed, and the lighting with multiple beam angles can be realized through the modification design, so that the user selection under the specific environment is met.
2. The beam angle of the lamp reflects the size and the illumination intensity of a light spot after the light is emitted, different beam angles can bring different lighting effects, and the distance between the lens and the light source is changed through sliding gears between the manual free rotation screws and the sliding grooves of the lamp body, so that a simple-structure, convenient and reliable beam angle adjusting mode is provided.
3. The nut of the plastic knob component behind the lamp body is unscrewed manually, air enters a closed space between the light source and the lens, sliding gears between the screw and the sliding groove of the lamp body can be adjusted easily, and convenience in distance adjustment between the lens and the light source is improved.
Through above regulation mode, especially 3 rd type regulation mode, not only effectively promote the beam angle adjustment efficiency and the regulation convenience of lamps and lanterns, simplify assembly process moreover by a wide margin, reduce the required part of production operation, the effectual manufacturing cost that has reduced establishes the basis for batch production and occupation of market.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection between the lamp body and the venting assembly.
Fig. 3 is a partially enlarged view of the beam angle scale and the sliding groove of the lamp body.
Fig. 4 is a light distribution graph when the beam angle is 105 °.
Detailed Description
The invention will be further elucidated with reference to the drawings and specific embodiments, it being understood that these examples are intended to illustrate the invention only and are not intended to limit the scope of the invention, and that modifications to the various equivalent forms of the invention, which may occur to those skilled in the art after reading the present invention, fall within the scope of the invention as defined in the claims appended hereto.
Example 1
A lamp with adjustable beam angle, as shown in fig. 1-3, comprising a lamp body 1, a light source, a lens unit 3, wherein:
the lamp body 1 is provided with a lamp body sliding groove 12, the lamp body sliding groove 12 is a section of a spiral sliding groove, and the axial direction of the spiral sliding groove is parallel to the axial direction of the lamp body 1. The lamp body sliding grooves 12 are two pairs or four pairs and are uniformly distributed along the circumferential direction of the lamp body 1, and the lamp body sliding grooves 12 are provided with beam angle scales 11. The lamp body sliding groove 12 is provided with three sliding gears corresponding to three light beam angles of 65 degrees, 90 degrees and 105 degrees respectively.
The lens unit 3 includes lens 31, slip fixed establishment 32 and installation piece 33, and lens 31 is circular lens, adopts the PMMA plastics to make, installation piece 33 sets up on lens 31, slip fixed establishment 32 installs on installation piece 33, slip fixed establishment 32 is set screw, slip fixed establishment 32 and lamp body spout 12 sliding connection, when installation piece 33 and lamp body spout 12 are located preset position, through slip fixed establishment 32 fixed connection between installation piece 33 and the lamp body spout 12.
The light source is disposed in a space formed between the lamp body 1 and the lens unit 3.
During the use, loosen set screw, rotate lens unit 3 on lamp body 1, and then make set screw slide along lamp body spout 12, when lens unit 3 rotatory to required light beam angle, during required gear promptly, the stall screws up set screw.
Since the lamp body sliding groove 12 is a segment of a spiral sliding groove and the axial direction of the spiral sliding groove is parallel to the axial direction of the lamp body 1, when the set screw slides along the lamp body sliding groove 12, the rotation track of the lens unit 3 is the same as the shape of the lamp body sliding groove 12, and since the axial direction of the spiral sliding groove is parallel to the axial direction of the lamp body 1, the lens unit 3 moves in the axial direction of the lamp body 1. Since the light source is disposed in the space formed between the lamp body 1 and the lens unit 3 and the light source is stationary, the distance between the lens unit 3 and the light source is changed when the lens unit 3 rotates, and since the beam angle is related to the distance between the lens unit 3 and the light source, the size of the beam angle can be adjusted along the length direction by adjusting the distance change between the lens and the light source.
As shown in fig. 2, a vent assembly 4 is disposed on the back of the lamp body 1, the vent assembly 4 includes a cap nut 41 and a hollow screw 42, the hollow screw 42 is disposed on the lamp body 1, one end of the hollow screw 42 is communicated with a space formed between the lamp body 1 and the lens unit 3, and the other end is connected to the cap nut 41. When the lamp is used, the sealing nut 41 is rotated, and the sealing nut 41 is opened, so that air can enter a sealed space between the light source and the lens, and the lens unit 3 can conveniently rotate on the lamp body 1.
When the sliding position of each pair of screws along the slide groove of the lamp body is adjusted to a beam angle of 105 °, as shown in fig. 4, the light distribution curve diagram shows the spatial distribution curve diagram of the planar light, and it can be known from the light distribution curve diagram: the beam angle of the light rays in the spatial distribution is 105 degrees.
In another embodiment of the present invention, the sliding fixing mechanism 32 includes a sliding rod and a spring fixing device, one end of the sliding rod is fixedly connected to the mounting block 33, and the other end of the sliding rod passes through the lamp body sliding groove 12 to be connected to the spring fixing device, and the spring fixing device is used for elastic fixation between the mounting block 33 and the lamp body sliding groove 12. The spring fixing device comprises a first spring and a first fixing block, the first fixing block is fixedly connected with the sliding rod, the first spring is fixedly connected with the first fixing block, and the first spring is located between the lamp body sliding groove 12 and the first fixing block. When the size of the beam angle needs to be adjusted, the lens unit 3 is directly rotated on the lamp body 1, and the spring one is located between the lamp body sliding groove 12 and the fixed block one, so that the sliding rod rotates along the lamp body sliding groove 12, and further the lens 31 rotates along the lamp body sliding groove 12. The elastic force of the lamp body sliding groove 12 and the first fixing block can be adjusted through the elastic force of the first adjusting spring. The elastic force of the spring can be changed by adopting springs with different elastic coefficients.
In another embodiment of the present invention, the spring fixing device includes a second spring and a second fixed block, the second spring is disposed on the sliding rod, and one end of the second spring is fixedly connected to the sliding rod, and the other end of the second spring passes through the lamp body sliding groove 12 and is fixedly connected to the second fixed block. When the size of the beam angle needs to be adjusted, the lens unit 3 is directly rotated on the lamp body 1, and since the lamp body sliding groove 12 is located between the mounting block 33 and the second fixing block, the sliding rod rotates along the lamp body sliding groove 12, so that the lens 31 rotates along the lamp body sliding groove 12.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (8)
1. A lamp capable of adjusting a beam angle is characterized in that: comprising a lamp body (1), a light source, a lens unit (3), wherein:
the lamp body (1) is provided with a lamp body sliding groove (12), the lamp body sliding groove (12) is a section of a spiral sliding groove, and the axial direction of the spiral sliding groove is parallel to the axial direction of the lamp body (1);
the lens unit (3) comprises a lens (31), a sliding fixing mechanism (32) and an installation block (33), the installation block (33) is arranged on the lens (31), the sliding fixing mechanism (32) is installed on the installation block (33), the sliding fixing mechanism (32) is in sliding connection with the lamp body sliding groove (12), and when the installation block (33) and the lamp body sliding groove (12) are located at a preset position, the installation block (33) is fixedly connected with the lamp body sliding groove (12) through the sliding fixing mechanism (32);
the light source is disposed in a space formed between the lamp body (1) and the lens unit (3).
2. The adjustable beam angle light fixture of claim 1, wherein: the lamp body (1) is provided with a ventilation assembly (4), the ventilation assembly (4) comprises a sealing nut (41) and a hollow screw rod (42), the hollow screw rod (42) is arranged on the lamp body (1), one end of the hollow screw rod is communicated with a space formed between the lamp body (1) and the lens unit (3), and the other end of the hollow screw rod is connected with the sealing nut (41).
3. The adjustable beam angle light fixture of claim 1, wherein: the sliding fixing mechanism (32) is a positioning screw.
4. The adjustable beam angle light fixture of claim 1, wherein: the sliding fixing mechanism (32) comprises a sliding rod and a spring fixing device, one end of the sliding rod is fixedly connected with the mounting block (33), the other end of the sliding rod penetrates through the lamp body sliding groove (12) to be connected with the spring fixing device, and the spring fixing device is used for elastically fixing the mounting block (33) and the lamp body sliding groove (12).
5. The adjustable beam angle light fixture of claim 4, wherein: the spring fixing device comprises a first spring and a first fixing block, the first fixing block is fixedly connected with the sliding rod, the first spring is fixedly connected with the first fixing block, and the first spring is located between the lamp body sliding groove (12) and the first fixing block.
6. The adjustable beam angle light fixture of claim 4, wherein: the spring fixing device comprises a second spring and a second fixing block, the second spring is arranged on the sliding rod, one end of the second spring is fixedly connected with the sliding rod, and the other end of the second spring penetrates through the lamp body sliding groove (12) and is fixedly connected with the second fixing block.
7. The adjustable beam angle light fixture of claim 1, wherein: the lamp body sliding groove (12) is provided with a light beam angle scale (11).
8. The adjustable beam angle light fixture of claim 7, wherein: the lamp body sliding groove (12) is provided with three sliding gears which respectively correspond to three light beam angles of 65 degrees, 90 degrees and 105 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671782.5U CN213656382U (en) | 2020-11-18 | 2020-11-18 | Lamp capable of adjusting beam angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671782.5U CN213656382U (en) | 2020-11-18 | 2020-11-18 | Lamp capable of adjusting beam angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213656382U true CN213656382U (en) | 2021-07-09 |
Family
ID=76684608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022671782.5U Active CN213656382U (en) | 2020-11-18 | 2020-11-18 | Lamp capable of adjusting beam angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213656382U (en) |
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2020
- 2020-11-18 CN CN202022671782.5U patent/CN213656382U/en active Active
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