CN216383705U

CN216383705U - Projection mechanism capable of replacing projection film and projection flashlight

Info

Publication number: CN216383705U
Application number: CN202123077108.5U
Authority: CN
Inventors: 周述举; 周子洋
Original assignee: Dongguan Aolei Mobile Lighting Equipment Co Ltd
Current assignee: Dongguan Aolei Mobile Lighting Equipment Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-04-26
Anticipated expiration: 2031-12-09

Abstract

The utility model belongs to the field of illumination, and particularly relates to a projection mechanism with a replaceable projection film and a projection flashlight. The lamp holder comprises a lamp holder shell, wherein an accommodating space is formed, a projection sheet and a sliding groove are arranged in the accommodating space, the opening end of the sliding groove is positioned on the side wall of the lamp holder shell, and the projection sheet can enter the sliding groove from the side wall of the lamp holder shell and is arranged in the accommodating space; the rotary ring is arranged close to the slide, a tooth part is arranged in the rotary ring, a rack is arranged at one end of the slide close to the tooth part, a gear is arranged between the tooth part and the rack, and when the rotary ring is rotated, the gear is driven by the tooth part to rotate, so that the slide slides in the sliding groove; the two ends of the projection film are respectively provided with a light source and a convex lens, and light emitted by the light source penetrates through the projection film and the convex lens to form projection outside. The utility model can realize that the projection film is arranged in the lamp holder shell by rotating the rotating ring under the condition of not disassembling the head of the projection flashlight, the projection film is not easy to fall off, and the replacement is convenient.

Description

Projection mechanism capable of replacing projection film and projection flashlight

Technical Field

The utility model belongs to the field of illumination, and particularly relates to a projection mechanism with a replaceable projection film and a projection flashlight.

Background

The projection flashlight is a flashlight capable of projecting patterns or characters on a projection film onto a wall or a curtain plane, and is suitable for advertising, family atmosphere lighting, helping children to recognize things, promoting intelligence development of children and the like; the projection flashlight commonly used in the market generally adopts a disc type projection film, the projection switching is realized by rotating the projection film, and the projection film needs to protrude a part to the outside of the lamp holder shell and is easy to fall off; the projection film is arranged in the lamp holder shell by the partial projection flashlight, and the head of the projection flashlight needs to be detached every time the projection film is replaced, so that the partial projection flashlight is extremely inconvenient.

Therefore, a projection mechanism and a projection flashlight with replaceable slide are needed.

Disclosure of Invention

The utility model aims to provide a projection mechanism with a replaceable projection film and a projection flashlight, aiming at overcoming the defects of the prior art, and the projection film can be installed in a lamp holder shell by rotating a rotating ring under the condition of not disassembling the head of the projection flashlight, is not easy to fall off and is convenient to replace.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a projection mechanism for replacing a slide, comprising:

the lamp holder shell is provided with an accommodating space, a projection sheet and a sliding groove for the projection sheet to slide are arranged in the accommodating space, the opening end of the sliding groove is positioned on the side wall of the lamp holder shell, and the projection sheet can enter the sliding groove from the side wall of the lamp holder shell and is installed in the accommodating space;

the rotary ring is arranged close to the slide, a tooth part is arranged in the rotary ring, a rack is arranged at one end of the slide close to the tooth part, gears which are meshed with each other are arranged between the tooth part and the rack, and when the rotary ring is rotated, the gears are driven by the tooth part to rotate, so that the slide slides in the sliding groove;

and a light source and a convex lens are respectively arranged at two ends of the projection sheet, and light emitted by the light source can penetrate through the projection sheet and the convex lens and form projection outside the lamp holder shell.

Furthermore, the slide comprises a support and a light-transmitting sheet arranged on the support, the rack is positioned on the support, and light emitted by the light source can penetrate through the light-transmitting sheet to form projection.

Furthermore, the support is provided with a through hole, and the light transmitting sheet is optionally attached to the through hole.

Furthermore, the bracket is provided with a plurality of through holes, and when the rotating ring is rotated, the slide slides in the sliding groove, so that the light emitted by the light source can selectively penetrate through the through holes.

Furthermore, the number of the through holes is 3, and the arrangement direction is parallel to the moving direction of the slide.

Furthermore, a positioning part is further arranged in the accommodating space, a positioning groove matched with the positioning part is further arranged on the support, and when the support moves to the through hole and corresponds to the light source, the positioning part falls into the positioning groove to play a role in relative fixation.

Preferably, the positioning member comprises a spring and a pin.

Preferably, the light-transmitting sheet is one or more of a film, a transparent light-transmitting sheet and a colored light-transmitting sheet.

Preferably, both ends of the sliding groove penetrate through the side wall of the lamp holder shell, so that the slide can be put in or taken out from any one opening end of the sliding groove.

The utility model also provides a projection flashlight which comprises a flashlight body and the projection mechanism capable of replacing the projection film, wherein a power supply and a switch which are electrically connected with the light source are assembled in the flashlight body, and the flashlight body is connected with the lamp holder shell.

The utility model has the beneficial effects that:

according to the utility model, the tooth part of the rotating ring is mutually meshed and matched with the gear and the rack of the slide, the slide can be installed in the lamp holder shell or taken out of the lamp holder shell by rotating the rotating ring, and after the slide is installed in the lamp holder shell, light emitted by the light source can penetrate through the slide and the convex lens and form projection outside the lamp holder shell; through arranging the through holes and the light-transmitting sheets on the bracket, the through holes corresponding to the light sources can be switched when the rotating ring is rotated, so that the switching of projection is realized; the positioning part is arranged in the accommodating space and the positioning groove is arranged on the bracket, so that the bracket can play a positioning role when moving in the sliding groove; the openings of the sliding grooves are arranged at the two ends of the lamp body shell, so that the projection film can be put in or taken out from any one opening end; the utility model can realize that the projection film is arranged in the lamp holder shell by rotating the rotating ring under the condition of not disassembling the head of the projection flashlight, the projection film is not easy to fall off, the replacement is convenient, and the operation ability of children can be enhanced when the projection film is used as a toy for children.

Drawings

FIG. 1 is a schematic diagram of an exploded view of the projection flashlight of the present invention;

FIG. 2 is a schematic view of the structure of the rotating ring, gears and slide of the present invention;

FIG. 3 is a schematic diagram of the projection mechanism of the replaceable slide of the present invention;

FIG. 4 is a cross-sectional view of a projection mechanism of the present invention with an alternative slide;

FIG. 5 is a schematic diagram of an exploded view of the slide of the present invention;

FIG. 6 is an exploded view of the spacer of the present invention;

the labels in the figure are: 1-lamp holder shell, 110-accommodating space, 120-sliding groove and 130-notch; 2-projection sheet, 210-bracket, 211-rack, 212-through hole, 213-positioning groove and 220-light-transmitting sheet; 3-rotating ring, 310-teeth; 4-a gear; 5-a light source; a 6-convex lens; 7-locating element, 710-spring, 720-pin; 8-cylinder body, 810-power supply and 820-switch.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 6, there is shown an embodiment of a projection mechanism and a projection flashlight with replaceable slides according to the present invention.

Referring to fig. 2 and 3, a projection mechanism for replacing a slide comprises:

the lamp holder comprises a lamp holder shell 1, wherein an accommodating space 110 is formed in the lamp holder shell 1, a slide film 2 and a sliding groove 120 for the slide film 2 to slide are arranged in the accommodating space 110, the open end of the sliding groove 120 is positioned on the side wall of the lamp holder shell 1, and the slide film 2 can enter the sliding groove 120 from the side wall of the lamp holder shell 1 and is installed in the accommodating space 110;

the rotary ring 3 is arranged close to the slide 2, a tooth part 310 is arranged in the rotary ring 3, a rack 211 is arranged at one end of the slide 2 close to the tooth part 310, a gear 4 meshed with each other is arranged between the tooth part 310 and the rack 211, and when the rotary ring 3 is rotated, the gear 4 is driven by the tooth part 310 to rotate, so that the slide 2 slides in the sliding groove 120;

referring to fig. 1, in the above embodiment, the two ends of the slide 2 are respectively provided with the light source 5 and the convex lens 6, and the light emitted by the light source 5 can pass through the slide 2 and the convex lens 6 and form a projection outside the lamp cap housing 1.

Referring to fig. 4, in the above embodiment, the side surface of the lamp holder housing 1 is provided with the opening end of the sliding groove 120, when in use, the slide 2 is loaded from the opening end of the sliding groove 120, the slide 2 is installed in the sliding groove 120 along the sliding direction of the sliding groove 120, during the installation process, the rack 211 of the slide 2 contacts and is meshed with the gear 4, and the gear 4 and the tooth part 310 of the rotating ring 3 are in a meshed state, so that the slide 2 can be loaded into the lamp holder housing 1 by rotating the rotating ring 3; when the slide 2 needs to be taken out, the rotating ring 3 is rotated, the tooth part 310 of the rotating ring 3 rotates along with the rotating ring, the gear 4 rotates along with the rotating ring, and the rack 211 meshed with the gear 4 is pushed to move, so that the slide 2 is moved out of the sliding groove 120; when projection is needed, the slide 2 is installed in the lamp holder shell 1, light emitted by the light source 5 can penetrate through the slide 2 and the convex lens 6, and projection is formed on a wall or a screen plane outside the lamp holder shell 1; in the embodiment, the rotating ring 3 is sleeved on the lamp head housing 1, the position of the lamp head housing 1 close to the tooth part 310 is provided with a notch 130, and the tooth part 310 of the rotating ring 3 is connected with the rack 211 of the slide 2 in the head housing 1 through the notch 130 by a gear 4; in some embodiments, the rotating ring 3 can also be installed in the head housing 1 and protrude partially out of the head housing 1, so that it can rotate the rotating ring 3 from the outside of the head housing 1 to move the slide 2; in the above embodiment, the tooth 310 of the rotating ring 3 is a part of the internal gear, the light source 5 is an LED light source, and a reflector for increasing the luminous flux is further provided between the light source 5 and the slide 2.

In the above embodiment, both ends of the sliding groove 120 penetrate the side wall of the base housing 1, so that the slide 2 can be inserted into or taken out from any one of the opening ends of the sliding groove 120.

Referring to fig. 5, in the above embodiment, the slide 2 includes a frame 210 and a light-transmitting sheet 220 mounted on the frame 210, the rack 211 is located on the frame 210, and the light emitted from the light source 5 can pass through the light-transmitting sheet 220 to form a projection, in the embodiment, one or more light-transmitting sheets 220 may be disposed on the frame 210, and the light-transmitting sheet 220 may be one or more of a film, a transparent light-transmitting sheet, and a colored light-transmitting sheet.

In the above embodiment, the bracket 210 is provided with the through hole 212, the light-transmitting sheet 220 is optionally attached to the through hole 212, the bracket 210 is provided with a plurality of through holes 212, when the rotating ring 3 is rotated, the slide 2 slides in the sliding groove 120, so that the light emitted from the light source 5 can selectively transmit through the through hole 212, in an embodiment, the slide 2 can be loaded into the head housing 1 by rotating the rotating ring 3, and when the slide 2 is positioned in the head housing 1, the relative positions of the light source 5 and the different through holes 212 can be switched by continuing to rotate the rotating ring 3, so that the light source 5 and the different through holes 212 correspond to each other, thereby achieving the effect of switching the projection picture by rotating the rotating ring 3, in the present embodiment, there are 3 through holes 212, the arrangement direction is parallel to the moving direction of the

slide

2, 3 different films are arranged on the same slide 2, so that the switching among 3 different projection pictures is realized; the projection flashlight commonly used in the market generally adopts the disc type projection film 2, the occupied film area is large, the support 210 of the projection film 2 is rectangular, and the light transmission film 220 is also rectangular, so that the area of the projection film is reduced, and the cost is reduced.

Referring to fig. 6, in the above embodiment, the accommodating space 110 is further provided with a positioning member 7, the bracket 210 is further provided with a positioning groove 213 matching with the positioning member 7, when the bracket 210 moves to the through hole 212 corresponding to the light source 5, the positioning member 7 falls into the positioning groove 213 to perform a relative fixing function, wherein the positioning member 7 comprises a spring 710 and a pin 720, when the rotating ring 3 is rotated, the tooth portion 310 drives the gear 4 and the gear 4 to drive the rack 211 to move the bracket 210 of the slide 2, the bracket 210 is provided with one or more through holes 212, when the bracket 210 is moved to the through hole 212 corresponding to the light source 5, the positioning groove 213 on the bracket 210 correspondingly moves to a position corresponding to the positioning member 7, and at this time, under the action of the spring 710, a part of the pin 720 is pushed into the positioning groove 213 to perform positioning and relative fixing, thereby providing operation feedback.

Referring to fig. 1, the embodiment further provides a projection flashlight, which includes a barrel 8 and the projection mechanism with replaceable slides, a power supply 810 and a switch 820 electrically connected to the light source 5 are installed in the barrel 8, the barrel 8 is connected to the lamp cap housing 1, and the on/off or brightness of the light source 5 can be controlled through the switch 820.

In summary, the present embodiment provides a projection mechanism and a projection flashlight with replaceable slide, wherein the tooth 310 of the rotating ring 3 is engaged with the gear 4 and the rack 211 of the slide 2, so that the slide 2 can be installed in the lamp head housing 1 or taken out of the lamp head housing 1 by rotating the rotating ring 3, and after the slide 2 is installed in the lamp head housing 1, the light emitted from the light source 5 can pass through the slide 2 and the convex lens 6 and form a projection outside the lamp head housing 1; the plurality of through holes 212 and the light-transmitting sheet 220 are arranged on the bracket 210, so that the through holes 212 corresponding to the light source 5 can be switched when the rotating ring 3 is rotated, and the switching of the projection pictures is realized; the positioning part 7 is arranged in the accommodating space 110, and the positioning groove 213 is arranged on the bracket 210, so that the bracket 210 can play a positioning role when moving in the sliding groove 120; the openings of the sliding grooves 120 are arranged at both ends of the lamp body shell 1, so that the slide 2 can be put in or taken out from any one opening end; this embodiment can realize installing projection film 2 in lamp holder casing 1 through rotating rotatory ring 3 under the condition of not dismantling projection flashlight head, and projection film 2 is difficult for droing, and the replacement is convenient, when using as children's toy, also can strengthen children's hands-on ability.

The above-described embodiments are only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. A projection mechanism capable of replacing a slide, comprising:

the lamp holder comprises a lamp holder shell (1), wherein an accommodating space (110) is formed in the lamp holder shell (1), a projection sheet (2) and a sliding groove (120) for the projection sheet (2) to slide are arranged in the accommodating space (110), the opening end of the sliding groove (120) is positioned on the side wall of the lamp holder shell (1), and the projection sheet (2) can enter the sliding groove (120) from the side wall of the lamp holder shell (1) and is installed in the accommodating space (110);

the slide projector is characterized in that a rotating ring (3) is arranged close to the slide projector (2), a tooth part (310) is arranged in the rotating ring (3), a rack (211) is arranged at one end, close to the tooth part (310), of the slide projector (2), a gear (4) meshed with the rack (211) is arranged between the tooth part (310) and the rack (211), and when the rotating ring (3) is rotated, the gear (4) is driven by the tooth part (310) to rotate, so that the slide projector (2) slides in the sliding groove (120);

the lamp holder is characterized in that a light source (5) and a convex lens (6) are further arranged at two ends of the projection sheet (2) respectively, and light emitted by the light source (5) can penetrate through the projection sheet (2) and the convex lens (6) and form projection outside the lamp holder shell (1).

2. The projection mechanism of claim 1, wherein the slide (2) comprises a bracket (210) and a light-transmitting sheet (220) mounted on the bracket (210), the rack (211) is located on the bracket (210), and the light emitted from the light source (5) can form a projection through the light-transmitting sheet (220).

3. The projection mechanism of claim 2, wherein the holder (210) has a through hole (212), and the transparent sheet (220) is optionally attached to the through hole (212).

4. A projection mechanism of replaceable slide as claimed in claim 3, wherein said frame (210) is provided with a plurality of said through holes (212), and when said rotating ring (3) is rotated, said slide (2) slides in said sliding groove (120) to allow the light emitted from said light source (5) to selectively pass through said through holes (212).

5. The projection mechanism of claim 4, wherein the number of said through holes (212) is 3, and the arrangement direction is parallel to the moving direction of said slide (2).

6. The projection mechanism of claim 3, wherein a positioning member (7) is further disposed in the accommodating space (110), a positioning groove (213) is further disposed on the bracket (210) and is engaged with the positioning member (7), and when the bracket (210) moves to the through hole (212) and corresponds to the light source (5), the positioning member (7) falls into the positioning groove (213) to perform a relative fixing function.

7. The projection mechanism of claim 6, wherein the positioning member (7) comprises a spring (710) and a pin (720).

8. The projection mechanism of any of claims 2-7, wherein the light transmissive sheet (220) is one or more of a film, a transparent light transmissive sheet, and a colored light transmissive sheet.

9. The projection mechanism of claim 1, wherein both ends of the sliding groove (120) penetrate through the side wall of the lamp cap shell (1), so that the slide (2) can be inserted into or taken out from any one of the open ends of the sliding groove (120).

10. A projection flashlight, comprising a body (8) and the projection mechanism of any one of claims 1-9, wherein a power source (810) and a switch (820) are electrically connected to the light source (5) and are mounted in the body (8), and the body (8) is connected to the head housing (1).