CN216383705U - Projection mechanism capable of replacing projection film and projection flashlight - Google Patents
Projection mechanism capable of replacing projection film and projection flashlight Download PDFInfo
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Abstract
本实用新型属于照明领域,尤其涉及一种可替换投影片的投影机构和投影手电筒。包括灯头壳体,形成有容纳空间,容纳空间内设有投影片和滑动槽,滑动槽的开口端位于灯头壳体侧壁,投影片能从灯头壳体侧壁进入滑动槽并安装到容纳空间内;靠近投影片设置的旋转环,旋转环内设有齿部,投影片靠近齿部的一端设有齿条,齿部与齿条之间设有齿轮,当旋转环被转动时,齿轮在齿部的带动下转动,使投影片在滑动槽内滑动;投影片两端还分别设有光源和凸透镜,光源所发出的光穿过投影片和凸透镜并在外部形成投影。本实用新型可实现在不拆卸投影手电筒头部的情况下通过转动旋转环将投影片安装到灯头壳体内,投影片不易脱落,替换方便。
The utility model belongs to the field of lighting, in particular to a projection mechanism capable of replacing projection sheets and a projection flashlight. It includes a lamp holder shell, and an accommodating space is formed. The accommodating space is provided with a projection sheet and a sliding groove. The open end of the sliding groove is located on the side wall of the lamp head casing. The projection sheet can enter the sliding groove from the side wall of the lamp head casing and be installed in the accommodation space. Inside; a rotating ring set close to the projection sheet, the rotating ring is provided with a toothed portion, the end of the projection sheet close to the toothed portion is provided with a rack, and a gear is arranged between the toothed portion and the rack. When the rotating ring is rotated, the gear is in Driven by the teeth, it rotates to make the projection sheet slide in the sliding groove; the two ends of the projection sheet are respectively provided with a light source and a convex lens, and the light emitted by the light source passes through the projection sheet and the convex lens and forms a projection outside. The utility model can realize that the projection sheet can be installed in the lamp holder housing by rotating the rotating ring without disassembling the head of the projection flashlight, the projection sheet is not easy to fall off, and the replacement is convenient.
Description
技术领域technical field
本实用新型属于照明领域,尤其涉及一种可替换投影片的投影机构和投影手电筒。The utility model belongs to the field of lighting, in particular to a projection mechanism capable of replacing projection sheets and a projection flashlight.
背景技术Background technique
投影手电筒是一种能够将投影片上的图案或文字投影到墙壁或幕布平面上的手电筒,适用于广告宣传、家庭氛围照明、帮助儿童认知事物、促进儿童智力发育等;市面上常见的投影手电筒,一般采用圆盘式的投影片,通过旋转投影片实现投影的切换,投影片需要凸出一部分到灯头壳体的外部,容易脱落;部分投影手电筒将投影片设置到灯头壳体内,每次更换投影片都需要拆卸下投影手电筒的头部,极其不便。Projection flashlight is a kind of flashlight that can project the pattern or text on the projection film onto the wall or the screen plane. It is suitable for advertising, family atmosphere lighting, helping children to recognize things, promoting children's intellectual development, etc. Common projection flashlights on the market , Generally, a disc-type projection film is used, and the projection switching is realized by rotating the projection film. The projection film needs to protrude a part to the outside of the lamp holder shell, which is easy to fall off; some projection flashlights set the projection film in the lamp head case. The projection film needs to be removed from the head of the projection flashlight, which is extremely inconvenient.
因此,亟需一种可替换投影片的投影机构和投影手电筒。Therefore, there is an urgent need for a projection mechanism and a projection flashlight that can replace the projection sheet.
发明内容SUMMARY OF THE INVENTION
本实用新型的目的在于针对现有技术的不足,提供一种可替换投影片的投影机构和投影手电筒,可实现在不拆卸投影手电筒头部的情况下通过转动旋转环将投影片安装到灯头壳体内,不易脱落,且替换方便。The purpose of this utility model is to aim at the deficiencies of the prior art, to provide a projection mechanism and a projection flashlight that can replace the projection sheet, which can realize the installation of the projection sheet to the lamp housing by rotating the rotating ring without disassembling the head of the projection flashlight. In the body, it is not easy to fall off, and it is easy to replace.
为了实现上述目的,本实用新型采用了以下技术方案:In order to achieve the above purpose, the utility model adopts the following technical solutions:
一种可替换投影片的投影机构,包括:A projection mechanism capable of replacing projection sheets, comprising:
灯头壳体,所述灯头壳体形成有一容纳空间,所述容纳空间内设有投影片和供所述投影片滑动的滑动槽,所述滑动槽的开口端位于所述灯头壳体侧壁,所述投影片能从所述灯头壳体侧壁进入所述滑动槽并安装到所述容纳空间内;A lamp holder housing, the lamp holder housing is formed with an accommodating space, and the accommodating space is provided with a projection sheet and a sliding slot for the projection sheet to slide, and the open end of the sliding slot is located on the side wall of the lamp holder housing, The projection sheet can enter the sliding groove from the side wall of the lamp holder housing and be installed in the accommodating space;
靠近所述投影片设置的旋转环,所述旋转环内设有齿部,所述投影片靠近所述齿部的一端设有齿条,所述齿部与所述齿条之间设有相互咬合的齿轮,当所述旋转环被转动时,所述齿轮在所述齿部的带动下转动,使所述投影片在所述滑动槽内滑动;A rotating ring arranged close to the projection plate, a toothed portion is arranged in the rotating ring, a rack is arranged at one end of the projection plate close to the toothed portion, and a mutual connection is arranged between the toothed portion and the rack. The engaged gear, when the rotating ring is rotated, the gear rotates under the driving of the tooth portion, so that the projection sheet slides in the sliding groove;
所述投影片两端还分别设有光源和凸透镜,所述光源所发出的光能够穿过所述投影片和所述凸透镜并在所述灯头壳体的外部形成投影。Both ends of the projection sheet are further provided with a light source and a convex lens, respectively, and the light emitted by the light source can pass through the projection sheet and the convex lens and form a projection on the outside of the lamp holder housing.
进一步的,所述投影片包括支架和安装于所述支架上的透光片,所述齿条位于所述支架上,所述光源所发出的光能够穿过所述透光片形成投影。Further, the projection sheet includes a support and a light-transmitting sheet mounted on the support, the rack is located on the support, and the light emitted by the light source can pass through the light-transmitting sheet to form a projection.
进一步的,所述支架上设有通孔,所述透光片可选地贴附在所述通孔上。Further, the bracket is provided with a through hole, and the light-transmitting sheet is optionally attached to the through hole.
进一步的,所述支架上设有若干所述通孔,当转动所述旋转环时,所述投影片在所述滑动槽内滑动,使所述光源所发出的光能够选择性地透过所述通孔。Further, the bracket is provided with a plurality of the through holes, and when the rotating ring is rotated, the projection sheet slides in the sliding groove, so that the light emitted by the light source can selectively pass through all the holes. the through hole.
进一步的,所述通孔共有3个,排列方向与所述投影片的移动方向平行。Further, there are three through holes in total, and the arrangement direction is parallel to the moving direction of the projection sheet.
进一步的,所述容纳空间内还设有定位件,所述支架上还设有与所述定位件相配合的定位槽,当所述支架移动至所述通孔与所述光源相对应时,所述定位件落入到所述定位槽中,起相对固定作用。Further, the accommodating space is further provided with a positioning member, and the bracket is further provided with a positioning groove matched with the positioning member. When the bracket moves to the position corresponding to the through hole and the light source, The positioning member falls into the positioning groove and plays a relatively fixed role.
优选的,所述定位件包括弹簧和销钉。Preferably, the positioning member includes a spring and a pin.
优选的,所述透光片为胶片、透明透光片、有色透光片的一种或多种。Preferably, the light-transmitting sheet is one or more of a film, a transparent light-transmitting sheet, and a colored light-transmitting sheet.
优选的,所述滑动槽的两端均贯穿所述灯头壳体侧壁,使所述投影片能够从所述滑动槽的任意一个开口端装入或取出。Preferably, both ends of the sliding slot penetrate through the side wall of the lamp holder housing, so that the projection sheet can be loaded into or taken out from any open end of the sliding slot.
本实用新型还提供一种投影手电筒,包括筒身和所述的一种可替换投影片的投影机构,所述筒身内装配有与所述光源电连接的电源和开关,所述筒身与所述灯头壳体连接。The utility model also provides a projection flashlight, which includes a barrel body and a projection mechanism for replacing projection films, wherein the barrel body is equipped with a power supply and a switch that is electrically connected to the light source, and the barrel body is connected to the light source. connected to the lamp holder shell.
本实用新型的有益效果:The beneficial effects of the present utility model:
本实用新型通过旋转环的齿部与齿轮、投影片的齿条相互咬合配合,可通过转动旋转环将投影片安装到灯头壳体内或从灯头壳体内取出,当将投影片安装到灯头壳体内后,光源所发出的光能够穿过投影片和凸透镜并在灯头壳体的外部形成投影;通过在支架上设置多个通孔和透光片,使转动旋转环时能够切换光源所对应的通孔,实现投影的切换;通过在容纳空间内设置定位件和在支架上设置定位槽,使支架在滑动槽内移动时能够起到定位作用;通过在灯体壳体两端都设置滑动槽的开口,使投影片能从任意一个开口端装入或取出;本实用新型可实现在不拆卸投影手电筒头部的情况下通过转动旋转环将投影片安装到灯头壳体内,投影片不易脱落,替换方便,作为儿童玩具使用时也能够增强儿童的动手能力。In the utility model, the toothed part of the rotating ring, the gear and the rack of the projection sheet are engaged with each other, and the projection sheet can be installed in or taken out from the lamp holder housing by rotating the rotating ring. When the projection sheet is installed in the lamp holder casing After that, the light emitted by the light source can pass through the projection sheet and the convex lens and form a projection on the outside of the lamp holder housing; by setting a plurality of through holes and light-transmitting sheets on the bracket, when the rotating ring is rotated, the corresponding channel of the light source can be switched. By setting the positioning piece in the accommodating space and setting the positioning slot on the bracket, the bracket can play a positioning role when moving in the sliding slot; by setting the sliding slot at both ends of the lamp body shell The opening allows the projection sheet to be loaded into or taken out from any open end; the utility model can realize that the projection sheet can be installed into the lamp holder housing by rotating the rotating ring without disassembling the head of the projection flashlight, and the projection sheet is not easy to fall off and can be replaced. It is convenient, and can also enhance children's hands-on ability when used as a children's toy.
附图说明Description of drawings
附图1是本实用新型的投影手电筒的爆炸结构示意图;
附图2是本实用新型的旋转环、齿轮、投影片相互配合的结构示意图;Accompanying
附图3是本实用新型的可替换投影片的投影机构的结构示意图;3 is a schematic structural diagram of the projection mechanism of the replaceable projection sheet of the present invention;
附图4是本实用新型的可替换投影片的投影机构的剖视图;4 is a cross-sectional view of the projection mechanism of the replaceable projection sheet of the present invention;
附图5是本实用新型的投影片的爆炸结构示意图;Accompanying
附图6是本实用新型的定位件的爆炸结构示意图;Accompanying
图中标识:1-灯头壳体、110-容纳空间、120-滑动槽、130-缺口;2-投影片、210-支架、211-齿条、212-通孔、213-定位槽、220-透光片;3-旋转环、310-齿部;4-齿轮;5-光源;6-凸透镜;7-定位件、710-弹簧、720-销钉;8-筒身、810-电源、820-开关。Identification in the figure: 1-lamp housing, 110-accommodating space, 120-sliding groove, 130-notch; 2-projection plate, 210-bracket, 211-rack, 212-through hole, 213-positioning slot, 220- Translucent sheet; 3-rotating ring, 310-tooth; 4-gear; 5-light source; 6-convex lens; 7-positioning piece, 710-spring, 720-pin; 8-cylinder, 810-power supply, 820- switch.
具体实施方式Detailed ways
下面详细描述本实用新型的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,旨在用于解释本实用新型,而不能理解为对本实用新型的限制。The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention.
在本实用新型的描述中,需要理解的是,术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本实用新型和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本实用新型的限制。In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description , rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present invention.
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本实用新型的描述中,“多个”的含义是两个或两个以上,除非另有明确具体的限定。In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.
在本实用新型实施例中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本实用新型中的具体含义。In the embodiments of the present utility model, unless otherwise expressly specified and limited, terms such as "installation", "connection", "connection", "fixation" should be understood in a broad sense, for example, it may be a fixed connection or a Removable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
参阅附图1至附图6,图示为本实用新型所提供的一种可替换投影片的投影机构和投影手电筒的一个具体实施例。Referring to Fig. 1 to Fig. 6, there are shown a specific embodiment of a projection mechanism and a projection flashlight for a replaceable projection sheet provided by the present invention.
参阅附图2和附图3,可替换投影片的投影机构包括:Referring to Figure 2 and Figure 3, the projection mechanism of the replaceable projection sheet includes:
灯头壳体1,灯头壳体1形成有一容纳空间110,容纳空间110内设有投影片2和供投影片2滑动的滑动槽120,滑动槽120的开口端位于灯头壳体1侧壁,投影片2能从灯头壳体1侧壁进入滑动槽120并安装到容纳空间110内;The
靠近投影片2设置的旋转环3,旋转环3内设有齿部310,投影片2靠近齿部310的一端设有齿条211,齿部310与齿条211之间设有相互咬合的齿轮4,当旋转环3被转动时,齿轮4在齿部310的带动下转动,使投影片2在滑动槽120内滑动;The rotating
参阅附图1,在上述实施例中,投影片2两端还分别设有光源5和凸透镜6,光源5所发出的光能够穿过投影片2和凸透镜6并在灯头壳体1的外部形成投影。Referring to FIG. 1 , in the above embodiment, the two ends of the
参阅附图4,在上述实施例中,灯头壳体1的侧面设置有滑动槽120的开口端,使用时,投影片2从滑动槽120的开口端装入,沿着滑动槽120的滑动方向将投影片2安装到滑动槽120内,安装过程中,投影片2的齿条211接触齿轮4并咬合,由于齿轮4和旋转环3的齿部310处于咬合状态,因此可以通过转动旋转环3将投影片2装入灯头壳体1内;需要取出投影片2时,转动旋转环3,旋转环3的齿部310随之转动,齿轮4跟着转动,推着与齿轮4咬合的齿条211移动,从而将投影片2移出滑动槽120;当需要进行投影时,将投影片2安装到灯头壳体1内,光源5所发出的光能够穿过投影片2和凸透镜6,并在灯头壳体1外部的墙壁或幕布平面上形成投影;实施例中,旋转环3套设在灯头壳体1上,灯头壳体1靠近齿部310的位置设有缺口130,旋转环3的齿部310通过缺口130与位于头部壳体1内的投影片2的齿条211通过齿轮4连接;在一些实施例中,旋转环3也可以安装在灯头壳体1内且凸出一部分于头部壳体1之外,使其能够从头部壳体1外部转动旋转环3以移动投影片2;在上述实施例中,旋转环3的齿部310为内齿轮的一部分,光源5为LED光源,光源5与投影片2之间还设有用于提高光通量的反光碗。Referring to FIG. 4 , in the above embodiment, the side surface of the
在上述实施例中,滑动槽120的两端均贯穿灯头壳体1侧壁,使投影片2能够从滑动槽120的任意一个开口端装入或取出。In the above embodiment, both ends of the sliding
参阅附图5,在上述实施例中,投影片2包括支架210和安装于支架210上的透光片220,齿条211位于支架210上,光源5所发出的光能够穿过透光片220形成投影,在实施例中,支架210上可以设置一个或多个透光片220,透光片220为胶片、透明透光片、有色透光片的一种或多种。Referring to FIG. 5 , in the above embodiment, the
在上述实施例中,支架210上设有通孔212,透光片220可选地贴附在通孔212上,支架210上设有若干通孔212,当转动旋转环3时,投影片2在滑动槽120内滑动,使光源5所发出的光能够选择性地透过通孔212,在实施例中,可以通过转动旋转环3将投影片2装入灯头壳体1内,当投影片2位于灯头壳体1内时,可以通过继续转动旋转环3来切换光源5与不同的通孔212之间的相对位置,使光源5与不同的通孔212相互对应,从而实现通过转动旋转环3切换投影画面的效果,在本实施例中,通孔212共有3个,排列方向与投影片2的移动方向平行,在同一个投影片2上有3个不同的胶片,实现3个不同的投影画面之间的切换;市面上常见的投影手电筒,一般采用圆盘式的投影片2,占用的胶片面积较大,本实施例的投影片2的支架210呈矩形,透光片220也为矩形,缩小了投影胶片的面积,降低了成本。In the above-mentioned embodiment, the
参阅附图6,在上述实施例中,容纳空间110内还设有定位件7,支架210上还设有与定位件7相配合的定位槽213,当支架210移动至通孔212与光源5相对应时,定位件7落入到定位槽213中,起相对固定作用,其中,定位件7包括弹簧710和销钉720,当转动旋转环3时,齿部310带动齿轮4、齿轮4带动齿条211使投影片2的支架210移动,支架210上设有一个或多个通孔212,当支架210被移动至通孔212与光源5相对应时,支架210上的定位槽213相应地移动到与定位件7相对应的位置,此时在弹簧710的作用下,销钉720的一部分被挤入定位槽213内,从而实现定位和相对固定,提供操作反馈。Referring to FIG. 6 , in the above embodiment, the
参阅附图1,本实施例还提供一种投影手电筒,包括筒身8和上述的可替换投影片的投影机构,筒身8内装配有与光源5电连接的电源810和开关820,筒身8与灯头壳体1连接,通过开关820可以控制光源5的开启、关闭或亮度等。Referring to FIG. 1 , the present embodiment also provides a projection flashlight, which includes a
综上所述,本实施例提供一种可替换投影片的投影机构和投影手电筒,通过旋转环3的齿部310与齿轮4、投影片2的齿条211相互咬合配合,可通过转动旋转环3将投影片2安装到灯头壳体1内或从灯头壳体1内取出,当将投影片2安装到灯头壳体1内后,光源5所发出的光能够穿过投影片2和凸透镜6并在灯头壳体1的外部形成投影;通过在支架210上设置多个通孔212和透光片220,使转动旋转环3时能够切换光源5所对应的通孔212,实现投影画面的切换;通过在容纳空间110内设置定位件7和在支架210上设置定位槽213,使支架210在滑动槽120内移动时能够起到定位作用;通过在灯体壳体1两端都设置滑动槽120的开口,使投影片2能从任意一个开口端装入或取出;本实施例可实现在不拆卸投影手电筒头部的情况下通过转动旋转环3将投影片2安装到灯头壳体1内,投影片2不易脱落,替换方便,当作为儿童玩具使用时,也能够增强儿童的动手能力。To sum up, the present embodiment provides a projection mechanism and a projection flashlight that can replace the projection sheet. 3. Install the
以上所述的实施例,只是本实用新型的较优选的具体方式之一,本领域的技术员在本实用新型技术方案范围内进行的通常变化和替换都应包含在本实用新型的保护范围内。The above-mentioned embodiment is only one of the preferred specific modes of the present invention, and the usual changes and substitutions performed by those skilled in the art within the scope of the technical solution of the present invention should be included in the protection scope of the present invention.
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