CN217464308U

CN217464308U - Rotary projection lamp

Info

Publication number: CN217464308U
Application number: CN202220868677.7U
Authority: CN
Inventors: 冯仕利; 冯小刚; 罗强; 王宇
Original assignee: Shenzhen Little Boat Technology Co ltd
Current assignee: Shenzhen Little Boat Technology Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-09-20
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a rotary projection lamp, relating to the technical field of projection lamps; the utility model relates to a rotary projection lamp, which comprises a light source, a lens shell and a rotary piece; a condensing lens group, a film and an imaging lens group are sequentially arranged in the lens shell along the direction far away from the light source; the film and the lens shell are relatively and fixedly arranged in the lens shell; the rotating part is arranged outside the lens shell and can drive the rotating part to drive the film to rotate; through the setting of drive rotating part and rotating member on the lens casing for the user can carry out rotation regulation to the film piece as required, with the use convenience that improves the projection lamp, and be favorable to the reduction of rotatory projection lamp volume.

Description

Rotary projection lamp

Technical Field

The utility model relates to a projection lamp technical field, more specifically say, relate to a rotatory projection lamp.

Background

The projection lamp is mainly installed at the bottom of a car door, the bottom of a rearview mirror and other positions on an automobile, and mainly plays the roles of welcoming guests, lighting when getting on or off the automobile, warning the coming car behind and the like by projecting various patterns and colors on the ground. In the advertising industry, the projection device is mostly used for projecting advertisements, graphic and text information and the like to the ground and the wall.

The existing automobile welcome projection lamp has various types, but has the defects of complex structure and larger volume, but the space inside a rearview mirror and the space at the bottom of a vehicle door are extremely crowded, and the arrangement space of the projection lamp is increased almost. In some use scenes, the projection picture of the projection lamp needs to be adjusted in a rotating mode, the automobile rearview mirror projection lamp in the prior art is usually fixedly installed and is difficult to adjust in a rotating mode, the projected image is difficult to be located at the optimal projection position, and therefore the using effect of the projection lamp is reduced.

Through retrieval, a welcome projection lamp is disclosed in the chinese patent with publication number CN208204709U, which comprises a film, a condenser lens assembly disposed at one side of the film, an imaging lens assembly disposed at the other side of the film, and a light source disposed at one side of the condenser lens assembly away from the film; the condenser lens assembly comprises a first condenser lens and a second condenser lens which is positioned on one side of the first condenser lens, which is far away from the film; the first condensing lens is clamped with the second condensing lens, the first condensing lens is a non-rotationally symmetrical lens, a heat insulation clamping piece is arranged between the second condensing lens and the light source, and the heat insulation clamping piece is clamped with the second condensing lens; in the scheme, the first condenser lens forming the condenser lens assembly is set to be a non-rotationally symmetrical lens, so that the welcome projection lamp is asymmetrically arranged, namely, a non-uniform illumination mode is realized, and the oblique illumination effect is improved to a certain extent; but it is still difficult to satisfy the use of rotational adjustment for the projected image.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved by the utility model

An object of the utility model is to provide a rotatory projection lamp to the limited and technical problem that the volume is difficult to reduce of rotatory result of use of projection lamp among the prior art, through the reasonable setting of the rotary mechanism of film to improve above-mentioned technical problem.

Technical scheme of utility model

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model relates to a rotary projection lamp, which comprises a light source, a lens shell and a rotary piece; a condensing lens group, a film and an imaging lens group are sequentially arranged in the lens shell along the direction far away from the light source; the film and the lens shell are relatively and fixedly arranged in the lens shell; the rotating part is arranged outside the lens shell and can drive the rotating part to drive the film to rotate; through the setting of drive rotating part and rotating member on the lens casing for the user can carry out rotation regulation to the film piece as required, with the use convenience that improves the projection lamp, does not need the mechanism of complicacy or bulky to realize rotation regulation simultaneously, makes rotatory projection lamp volume littleer.

Preferably, the rotating member is sleeved at one end of the lens housing, a first rotating driving member is arranged on the lens housing, a second rotating driving member is correspondingly arranged on the rotating member, and the rotating member is matched with the second rotating driving member to drive the lens housing to rotate.

Preferably, the first rotary drive is a recess and the second rotary drive is a protrusion which mates with the recess.

Preferably, be provided with the film holding tank in the lens casing, the film is non-circular structure, and the film holding tank sets up with the film cooperation.

Preferably, the imaging lens system further comprises a lens fixing seat, wherein the lens fixing seat is arranged on one side of the opening of the lens shell and is used for fixing the condensing lens group, the film and the imaging lens group in the lens shell; the lens fixing seat is provided with a first lens fixing buckle, the lens shell is provided with a second lens fixing buckle, and the lens fixing seat is connected with the lens shell through the first lens fixing buckle and the second lens fixing buckle.

Preferably, the LED lamp further comprises a PCB board, and the light source is arranged on the PCB board.

Preferably, the condenser lens group includes a first condenser lens and a second condenser lens; and/or the imaging lens group comprises a first imaging lens, a second imaging lens and a third imaging lens.

Preferably, the LED lamp further comprises an outer shell, the outer shell is sleeved outside the lens shell, and one side of the outer shell, which is close to the light source, is connected with the PCB.

Preferably, the lens further comprises a sealing ring, and the sealing ring is arranged between the outer shell and the lens shell.

Preferably, the rotating member is a rotating ring sleeve, and rotating teeth are arranged on the outer periphery of the rotating ring sleeve.

Technical scheme of utility model

Compared with the prior art, the utility model, its technical effect lies in:

the utility model relates to a rotary projection lamp, which comprises a light source, a lens shell and a rotary piece; a condensing lens group, a film and an imaging lens group are sequentially arranged in the lens shell along the direction far away from the light source; the film and the lens shell are relatively and fixedly arranged in the lens shell; the rotating part is arranged outside the lens shell and can drive the rotating part to drive the film to rotate; through the setting of drive rotating part and rotating member on the lens casing for the user can carry out rotation regulation to the film piece according to the use needs, with the use convenience that improves the projection lamp, does not need the mechanism of complicacy or bulky simultaneously to realize rotation regulation, makes rotatory projection lamp volume littleer.

Drawings

Fig. 1 is an exploded view of a rotary projection lamp according to the present invention;

FIG. 2 is a schematic view of the internal structure of a lens housing of a rotary projection lamp according to the present invention;

fig. 3 is a schematic structural view of a second rotary driving part on the first rotary driving part and the rotary member of the lens housing of the rotary projection lamp of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a PCB board; 110. a light source;

200. a lens holder; 210. a first lens fixing buckle;

310. a first condenser lens; 320. a second condenser lens;

400. film;

510. a first imaging lens; 520. a second imaging lens; 530. a third imaging lens;

600. a lens housing; 611. the second lens is fixed with the buckle; 621. a first rotary drive member; 630. a lens accommodating groove; 640. a film accommodating groove;

700. a seal ring;

800. an outer housing;

900. a rotating member; 910. a second rotary drive; 920. the teeth are rotated.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, proportion, size and so on shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions of the present invention, so that the present invention does not have the essential significance in the technology, and any structure modification, proportion relation change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like, referred to in the present specification, are used for clarity of description only, and are not used to limit the implementable scope, and changes or adjustments of the relative relationship thereof are also regarded as the implementable scope of the present invention without substantial changes in the technical content; in addition, the embodiments of the present invention are not independent of each other, but can be combined.

As shown in fig. 1 to 3, a rotary projection lamp of the present embodiment includes a light source 110, a lens housing 600, and a rotary 900; along the direction far away from the light source 110, a condenser lens group, a film 400 and an imaging lens group are sequentially arranged.

In this embodiment, the lighting device further includes a PCB 100, the light source 110 is disposed on the PCB 100, and the light source 110 may be an LED lamp. The condenser lens group includes a first condenser lens 310 and a second condenser lens 320, and the imaging lens group includes a first imaging lens 510, a second imaging lens 520, and a third imaging lens 530. During the use, light that light source 110 sent provides light to film 400 after condensing through condensing lens group, then passes through imaging lens group again, then just can outwards carry out the projection. The arrangement of the condenser lens assembly, the film 400 and the imaging lens assembly of the present embodiment has a good imaging effect.

The condenser lens assembly, the film 400 and the imaging lens assembly are all disposed in the lens housing 600, in this embodiment, the present invention further includes a lens holder 200, the lens holder 200 is disposed on one side of the opening of the lens housing 600, and is used for fixing the condenser lens assembly, the film 400 and the imaging lens assembly in the lens housing 600; the lens fixing seat 200 is provided with a first lens fixing buckle 210, the lens housing 600 is provided with a second lens fixing buckle 611, and the lens fixing seat 200 matched with the second lens fixing buckle 611 through the first lens fixing buckle 210 is connected with the lens housing 600; through the arrangement, the installation stability of the condenser lens assembly, the film 400 and the imaging lens assembly can be ensured.

In addition, the lens module further comprises an outer casing 800, the outer casing 800 is sleeved outside the lens housing 600, and one side of the outer casing 800 close to the light source 110 is connected to the PCB board 100. The outer casing 800 further protects the lens casing 600, and additionally comprises a sealing ring 700, the sealing ring 700 is arranged between the outer casing 800 and the lens casing 600, the sealing ring 700 can seal between the outer casing 800 and the lens casing 600, and the influence of external impurities on the PCB 100, the condenser lens assembly, the film sheet 400 and the imaging lens assembly is avoided.

In particular, the film 400 is fixed to the lens housing 600 in the lens housing 600; the rotating member 900 is disposed outside the lens housing 600, and can drive the rotating portion 620 to rotate the film 400; through the arrangement of the driving rotating part 620 and the rotating part 900 on the lens housing 600, the user can rotate and adjust the film 400 according to the use requirement, so as to improve the use convenience of the projection lamp.

The rotating member 900 is sleeved at one end of the lens housing 600, a first rotating driving member 621 is disposed on the lens housing 600, a second rotating driving member 910 is correspondingly disposed on the rotating member 900, and the rotating member 900 is configured to rotate the lens housing 600 through the cooperation of the first rotating driving member 621 and the second rotating driving member 910.

Specifically, the first rotary driving element 621 is a concave portion, the second rotary driving element 910 is a convex portion matching with the concave portion, and of course, the arrangement may be reversed, the first rotary driving element 621 is a convex portion, and the second rotary driving element 910 is a concave portion matching with the convex portion, but in order to facilitate the installation of the first rotary driving element 621 and avoid an excessive gap from being formed between the first rotary driving element 621 and the outer shell 800, it is preferable that the first rotary driving element 621 is a concave portion, and the second rotary driving element 910 is a convex portion matching with the concave portion.

And for the installation of film 400, be provided with film holding tank 640 in lens housing 600, film 400 is non-circular structure, and film holding tank 640 sets up with film 400 cooperation. In this embodiment, as shown in fig. 1 and fig. 2, the film 400 is rectangular, the film accommodating groove 640 is a rectangular accommodating groove, and the film 400 is installed in the rectangular accommodating groove in a matching manner. To ensure that rotation of the lens housing 600 can rotate the film 400. A lens accommodating groove 630 is further provided in the lens housing 600 to accommodate the condenser lens group and the imaging lens group.

In addition, for convenience of use, the rotating member 900 is a rotating ring, rotating teeth 920 are arranged on the outer periphery of the rotating ring, and the rotating teeth 920 enable a supporting point for driving rotation when the rotating ring rotates outside, so that convenience of use is further improved.

The invention has been described above in detail with reference to specific exemplary embodiments. It will, however, be understood that various modifications and changes may be made without departing from the scope of the invention as defined by the appended claims. The detailed description and drawings are to be regarded as illustrative rather than restrictive, and any such modifications and variations are intended to be included within the scope of the present invention as described herein. Furthermore, the background is intended to illustrate the present state of the art and the meaning of the present development and is not intended to limit the present invention or the present application and the field of application of the present invention.

More specifically, although exemplary embodiments of the invention have been described herein, the invention is not limited to these embodiments, but includes any and all embodiments modified, omitted, such as combinations between various embodiments, adapted changes and/or substitutions as would be recognized by those skilled in the art from the foregoing detailed description. The limitations in the claims are to be interpreted broadly based the language employed in the claims and not limited to examples described in the foregoing detailed description or during the prosecution of the application, which examples are to be construed as non-exclusive. Any steps recited in any method or process claims may be executed in any order and are not limited to the order presented in the claims. The scope of the invention should, therefore, be determined only by the appended claims and their legal equivalents, rather than by the descriptions and examples given above.

Claims

1. A rotary projection lamp comprising a light source (110), a lens housing (600), and a rotary member (900); a condenser lens group, a film (400) and an imaging lens group are sequentially arranged in the lens shell (600) along the direction far away from the light source (110); the Fresnel lens (400) and the lens shell (600) are relatively and fixedly arranged in the lens shell (600); the rotating part (900) is arranged outside the lens shell (600), and can drive the rotating part (620) to drive the film (400) to rotate.

2. The rotary projection lamp as claimed in claim 1, wherein the rotary member (900) is disposed at one end of the lens housing (600), the lens housing (600) is provided with a first rotary driving member (621), the rotary member (900) is correspondingly provided with a second rotary driving member (910), and the rotary driving of the lens housing (600) by the rotary member (900) is realized by the cooperation of the first rotary driving member (621) and the second rotary driving member (910).

3. A rotary projection lamp as claimed in claim 2, wherein the first rotary drive member (621) is a recess and the second rotary drive member (910) is a protrusion which fits into the recess.

4. A rotary projection lamp as claimed in claim 1, wherein a film receiving groove (640) is provided in the lens housing (600), the film (400) is of a non-circular configuration, and the film receiving groove (640) is provided in cooperation with the film (400).

5. A rotary projection lamp as claimed in claim 1, further comprising a lens holder (200), said lens holder (200) being disposed at an open side of the lens housing (600) for fixing the condenser lens group, the film sheet (400) and the imaging lens group in the lens housing (600); the lens fixing seat (200) is provided with a first lens fixing buckle (210), the lens shell (600) is provided with a second lens fixing buckle (611), and the lens fixing seat (200) is connected with the lens shell (600) through the matching of the first lens fixing buckle (210) and the second lens fixing buckle (611).

6. A rotary projection lamp as claimed in claim 1, further comprising a PCB board (100), wherein the light source (110) is disposed on the PCB board (100).

7. A rotary projection lamp as claimed in claim 1, wherein the condenser lens group comprises a first condenser lens (310) and a second condenser lens (320); and/or the imaging lens group comprises a first imaging lens (510), a second imaging lens (520) and a third imaging lens (530).

8. The rotary projection lamp as claimed in claim 6, further comprising an outer casing (800), wherein the outer casing (800) is disposed outside the lens casing (600), and a side of the outer casing (800) near the light source (110) is connected to the PCB (100).

9. A rotary projection lamp as claimed in claim 8, further comprising a sealing ring (700), the sealing ring (700) being disposed between the outer housing (800) and the lens housing (600).

10. A rotary projection lamp as claimed in claim 2, wherein said rotary member (900) is a rotary ring, and the outer periphery of said rotary ring is provided with rotary teeth (920).