LCD screen projection lamp convenient to disassemble and assemble

Abstract

The utility model provides an LCD screen projection lamp convenient to disassemble and assemble. The LCD screen projection lamp comprises a lens cone, an imaging lens group, a screen frame, LCD liquid crystal glass, a condensing lens and a light source. The lens barrel penetrates in the axial direction to form an inner cavity, the imaging lens set is arranged at one end in the lens barrel, the light source is arranged at the other end of the lens barrel, the screen frame is fixedly arranged in the lens barrel and located between the imaging lens set and the light source, the LCD glass is detachably arranged in the screen frame, an installation opening is formed in one side of the lens barrel, and the LCD glass is connected with a flat cable. One end of the LCD liquid crystal glass and the flat cable extend out of the lens barrel from the mounting opening, and the condensing lens is arranged in the lens barrel and located between the light source and the LCD liquid crystal glass. According to the LCD screen projection lamp convenient to disassemble and assemble, the projection lamp can project various different patterns through the arrangement of the LCD liquid crystal glass, and the LCD liquid crystal glass and the flat cable can be conveniently disassembled and assembled from the lens cone and are convenient to disassemble and replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of projection lamp, especially convenient dismouting's LCD screen projection lamp. BACKGROUND

[0002] With the improvement of productivity, various lamps have been greatly developed. The projection lamp is a lamp device capable of projecting various patterns. Due to its portability and convenience, it is widely used in various outdoor commercial activities, indoor decoration, public display, commercial promotion and other fields, such as attracting the attention of pedestrians by projecting patterns and text, improving brand image, and projecting patterns and images onto the ground, walls or ceilings to add artistic and decorative effects to indoor space.

[0003] Among them, the projection lamp of the prior art is provided with a film having a pattern to project a fixed pattern. This projection lamp often needs to replace the film to project different patterns, and the projection content is too single, and it is very inconvenient to replace the film for use.

[0004] Therefore, it is necessary to provide a convenient dismounting LCD screen projection lamp to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model provides a kind of convenient dismounting LCD screen projection lamp, to solve the projection lamp of prior art using film to project fixed pattern, projection content is too single, and it is very inconvenient to replace the film for use Problem.

[0006] To solve the above technical problems, the technical scheme of the utility model is as follows: a kind of convenient dismounting LCD screen projection lamp, it includes: lens barrel, imaging lens group, screen frame, LCD liquid crystal glass, condenser lens and light source;

[0007] The lens barrel is formed into an inner cavity along the axial direction, the imaging lens group is arranged at one end of the lens barrel, the light source is arranged at the other end of the lens barrel and projects light towards the imaging lens group, the screen frame is fixedly arranged in the lens barrel and located between the imaging lens group and the light source, the LCD liquid crystal glass is detachably arranged in the screen frame, one side of the lens barrel is provided with a mounting opening, the LCD liquid crystal glass is connected with a wire, one end of the LCD liquid crystal glass and the wire are extended out of the lens barrel from the mounting opening, the condenser lens is arranged in the lens barrel, and the condenser lens is located between the light source and the LCD liquid crystal glass.

[0008] In the utility model, the lens barrel includes upper cover and lower cover, the upper cover and the lower cover one side are all butt joint groove, the butt joint groove of upper cover and lower cover butt joint forms the inner chamber of lens barrel, the inner wall of upper cover and lower cover all is provided with first positioning slot for positioning and fixing screen frame, second positioning slot for positioning and fixing condenser lens and third positioning slot for positioning and fixing imaging lens group.

[0009] Wherein, one side of the upper cover is provided with a positioning convex part, and one side of the lower cover is provided with a positioning concave part.

[0010] Further, the surface of the positioning concave part is provided with a first jack, and one side of the positioning convex part is provided with a first insertion column for plugging with the first jack.

[0011] In the utility model, the screen frame includes upper screen cover and lower screen cover, the upper screen cover and the lower screen cover are positioned and arranged in the first positioning slot, and the upper screen cover and the lower screen cover butt joint to form a slot, and the LCD liquid crystal glass is plugged in the slot.

[0012] Wherein, one side of the upper screen cover is provided with a second jack, and one side of the lower screen cover is provided with a second insertion column for plugging with the second jack.

[0013] In addition, the inner side wall of the first positioning slot is provided with an anti-reverse mounting bump, and one side of the upper screen cover is provided with an anti-reverse mounting groove for positioning and cooperating with the anti-reverse mounting bump.

[0014] Optionally, the opposite two inner walls in the first positioning slot are inlaid with elastic strips, the elastic strips protrude from the inner wall surface in the first positioning slot, and the sides of the upper screen cover and the lower screen cover away from each other are in contact with the corresponding elastic strips.

[0015] In the utility model, both sides of the end of the slot away from the mounting opening are provided with through grooves, and the positions of the through grooves correspond to the end angles of the two sides of one end of the LCD liquid crystal glass.

[0016] In the utility model, the imaging lens group includes a first imaging lens and a second imaging lens, and the first imaging lens and the second imaging lens are both convex lenses.

[0017] Compared with the prior art, the LCD screen projection lamp convenient to disassemble of the utility model has the beneficial effects that: the LCD screen projection lamp convenient to disassemble of the utility model is provided with LCD liquid crystal glass, so that the projection lamp can project various different patterns, and the LCD liquid crystal glass and the flat cable can be conveniently disassembled from the lens barrel, and the LCD liquid crystal glass and the flat cable can be conveniently disassembled from the lens barrel. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the following will briefly introduce the drawings needed in the embodiments. The drawings in the following description are only corresponding drawings of some embodiments of the present application.

[0019] Figure 1 The figure is a structure diagram of the preferred embodiment of the LCD screen projection lamp convenient to disassemble of the present application.

[0020] Figure 2 The figure is an exploded structure diagram of the LCD screen projection lamp convenient to disassemble of the present application.

[0021] Figure 3 The figure is a structure diagram of the screen frame of the LCD screen projection lamp convenient to disassemble of the present application. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] The directional terms mentioned in the present application, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", are only the orientation of the drawings, and the directional terms are used to illustrate and understand the present application, but not to limit the present application.

[0024] The terms "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and are not limited as the order.

[0025] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, the connection can be detachable connection, or integral structure connection; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] The projection lamp of the prior art is provided with a film with patterns to project fixed patterns. This kind of projection lamp often needs to replace the film in order to project different patterns, and the projection content is too single, and it is very inconvenient to replace the film for use.

[0027] The preferred embodiment of the LCD screen projection lamp convenient to disassemble and assemble provided by the present application can solve the above technical problems.

[0028] Please refer to Figure 1 and Figure 2 , wherein Figure 1 is a structural schematic diagram of the preferred embodiment of the LCD screen projection lamp convenient to disassemble and assemble of the present application. Figure 2 is an exploded structural schematic diagram of the LCD screen projection lamp convenient to disassemble and assemble of the present application.

[0029] In the drawings, similar units are denoted by the same reference numerals.

[0030] The present embodiment provides an LCD screen projection lamp convenient to disassemble and assemble, which comprises a lens barrel 11, an imaging lens group 12, a screen frame 14, an LCD liquid crystal glass 13, a condenser lens 15, and a light source 16.

[0031] The lens barrel 11 is formed with an inner cavity along an axial direction, the imaging lens group 12 is arranged at one end of the lens barrel 11, the light source 16 is arranged at the other end of the lens barrel 11 and projects light towards the direction of the imaging lens group 12, the screen frame 14 is fixedly arranged in the lens barrel 11 and located between the imaging lens group 12 and the light source 16, the LCD liquid crystal glass 13 is detachably arranged in the screen frame 14, and the light projected by the light source 16 can project a corresponding image after passing through the condenser lens 15, the LCD liquid crystal glass 13, and the imaging lens group 12.

[0032] One side of the lens barrel 11 is provided with a mounting opening 1111, the LCD liquid crystal glass 13 is connected with a wire, one end of the LCD liquid crystal glass 13 and the wire are extended out of the lens barrel 11 from the mounting opening 1111, the LCD liquid crystal glass 13 is externally connected with a corresponding control device through the wire, the condenser lens 15 is arranged in the lens barrel 11 and located between the light source 16 and the LCD liquid crystal glass 13. The control device can control the arrangement change of the liquid crystal molecules of the LCD liquid crystal glass 13, thereby controlling the light transmission and further projecting a plurality of different patterns. Meanwhile, the LCD liquid crystal glass and the wire in the present embodiment can be conveniently disassembled and assembled from the lens barrel, which is convenient to disassemble and replace.

[0033] Please refer to Figure 2In the embodiment, the lens barrel 11 comprises an upper cover 111 and a lower cover 112, and one side of the upper cover 111 and the lower cover 112 is a butt joint groove, and the butt joint grooves of the upper cover 111 and the lower cover 112 form the inner cavity of the lens barrel 11. The inner wall of the upper cover 111 and the lower cover 112 is provided with a first positioning groove 1121 for positioning and fixing the screen frame 14, a second positioning groove 1122 for positioning and fixing the condenser lens 15, and a third positioning groove 1123 for positioning and fixing the imaging lens group 12. Thus, the screen frame 14, the condenser lens 15 and the imaging lens group 12 can be stably arranged in the lens barrel 11.

[0034] One side of the upper cover 111 is provided with a positioning convex part 1112, and one side of the lower cover 112 is provided with a positioning concave part 1125, so as to stably realize the butt joint of the upper cover 111 and the lower cover 112.

[0035] Further, the surface of the positioning concave part 1125 is provided with a first insertion hole 1126, and one side of the positioning convex part 1112 is provided with a first insertion column 1113 for insertion with the first insertion hole 1126. The stable connection of the upper cover 111 and the lower cover 112 can be realized by the interference insertion of the first insertion column 1113 and the first insertion hole 1126.

[0036] In the embodiment, the screen frame 14 comprises an upper screen cover 141 and a lower screen cover 142, and the upper screen cover 141 and the lower screen cover 142 are positioned and arranged in the first positioning groove 1121, and the upper screen cover 141 and the lower screen cover 142 butt joint to form an insertion groove, and the LCD liquid crystal glass 13 is inserted in the insertion groove.

[0037] Please refer to Figure 3 One side of the upper screen cover 141 is provided with a second insertion hole 1412, and one side of the lower screen cover 142 is provided with a second insertion column 1421 for insertion with the second insertion hole 1412, so as to realize the stable connection of the upper screen cover 141 and the lower screen cover 142.

[0038] Please refer to Figure 2 In addition, the inner side wall of the first positioning groove 1121 is provided with an anti-reverse mounting convex block 1124, and one side of the upper screen cover 141 is provided with an anti-reverse mounting groove 1411 for positioning and cooperation with the anti-reverse mounting convex block 1124. The screen frame 14 is prevented from being reversely mounted into the lens barrel 11.

[0039] Optionally, the elastic strips 1127 are embedded in the two opposite inner walls of the first positioning slot 1121, and the elastic strips 1127 protrude from the inner wall surface of the first positioning slot 1121. The side surfaces of the upper screen cover 141 and the lower screen cover 142 away from each other are in contact with the corresponding elastic strips 1127. In this way, when the LCD liquid crystal glass 13 is inserted into the slot of the screen frame 14, the distance between the upper screen cover 141 and the lower screen cover 142 can be expanded, and the friction between the LCD liquid crystal glass 13 and the upper screen cover 141 and the lower screen cover 142 is small, so that the LCD liquid crystal glass 13 is easily inserted into the slot. The elastic extrusion of the elastic strips 1127 on the upper screen cover 141 and the lower screen cover 142 can also make the LCD liquid crystal glass 13 stably inserted into the slot.

[0040] Please refer to Figure 3 In the embodiment, the two sides of the end of the slot away from the mounting opening 1111 are provided with through grooves 1413, and the positions of the through grooves 1413 correspond to the end corners of the two sides of the end of the LCD liquid crystal glass 13. The screen frame 14 can avoid damaging the LCD liquid crystal glass 13.

[0041] In the embodiment, the imaging lens group 12 includes a first imaging lens 121 and a second imaging lens 122, and the first imaging lens 121 and the second imaging lens 122 are both convex lenses.

[0042] The LCD liquid crystal glass 13 of the convenient disassembly and assembly LCD screen projection lamp can be connected to a corresponding control device through a wire, and the arrangement change of the liquid crystal molecules of the LCD liquid crystal glass 13 can be controlled through the control device, so that the light transmission can be controlled, and then a plurality of different patterns can be projected. At the same time, the LCD liquid crystal glass and the wire can be conveniently disassembled and assembled from the mounting opening 1111 on the lens barrel, and are convenient to disassemble and replace.

[0043] The convenient disassembly and assembly LCD screen projection lamp of the preferred embodiment can project a plurality of different patterns through the LCD liquid crystal glass, without the need to frequently disassemble and replace the LCD liquid crystal glass, and the LCD liquid crystal glass and the wire can be conveniently disassembled and assembled from the lens barrel, and are convenient to disassemble and replace.

[0044] In summary, although the utility model has disclosed the above-mentioned preferred embodiment, the above-mentioned preferred embodiment is not used to limit the utility model, and ordinary skilled persons in the art can make various changes and decorations without departing from the spirit and scope of the utility model, so the protection scope of the utility model is subject to the range defined by the claims.

Claims

1. A LCD screen projection lamp which is convenient to disassemble and assemble, characterized in that, The utility model relates to a camera lens, including: A mirror tube, an imaging lens group, a screen frame, an LCD liquid glass, a condenser lens and a light source; The mirror tube is formed with an inner cavity along an axial direction, the imaging lens group is arranged at one end of the mirror tube, the light source is arranged at the other end of the mirror tube and projects light towards the imaging lens group, the screen frame is fixedly arranged in the mirror tube and located between the imaging lens group and the light source, the LCD liquid glass is detachably arranged in the screen frame, one side of the mirror tube is provided with a mounting opening, the LCD liquid glass is connected with a wire, and one end of the LCD liquid glass and the wire both extend out of the mirror tube from the mounting opening; the condenser lens is arranged in the mirror tube and located between the light source and the LCD liquid glass.

2. The portable LCD screen projector light of claim 1, wherein, The mirror tube comprises an upper cover and a lower cover, one side of the upper cover and the lower cover is a butt joint groove, the butt joint grooves of the upper cover and the lower cover form the inner cavity of the mirror tube, and the inner walls of the upper cover and the lower cover are provided with a first positioning groove for positioning and fixing the screen frame, a second positioning groove for positioning and fixing the condenser lens and a third positioning groove for positioning and fixing the imaging lens group.

3. The portable LCD screen projector light of claim 2, wherein, One side of the upper cover is provided with a positioning convex part, and one side of the lower cover is provided with a positioning concave part.

4. The portable LCD screen projector light of claim 3, wherein, The surface of the positioning concave part is provided with a first jack, and one side of the positioning convex part is provided with a first jack post for plugging with the first jack.

5. The portable LCD screen projector light of claim 2, wherein, The screen frame comprises an upper screen cover and a lower screen cover, the upper screen cover and the lower screen cover are positioned and arranged in the first positioning groove, the upper screen cover and the lower screen cover are butt jointed to form a plug-in groove, and the LCD liquid glass is plugged in the plug-in groove.

6. The portable LCD screen projector light of claim 5, wherein, One side of the upper screen cover is provided with a second jack, and one side of the lower screen cover is provided with a second jack post for plugging with the second jack.

7. The portable LCD screen projector light of claim 5, wherein, An anti-reverse mounting bump is arranged on the inner side wall of the first positioning groove, and one side of the upper screen cover is provided with an anti-reverse mounting groove for positioning and cooperation with the anti-reverse mounting bump.

8. The portable LCD screen projector light of claim 5, wherein, Elastic strips are inlaid on the two opposite inner walls in the first positioning groove, the elastic strips protrude from the inner wall surface in the first positioning groove, and the side surfaces of the upper screen cover and the lower screen cover away from each other are in contact with the corresponding elastic strips.

9. The portable dismountable LCD screen projection lamp according to claim 5, wherein, Both sides of the end of the plug-in groove away from the mounting opening are provided with through grooves, and the positions of the through grooves correspond to the end corners of both sides of one end of the LCD liquid glass.

10. The portable projection lamp of claim 1, wherein, The imaging lens group comprises a first imaging lens and a second imaging lens, and the first imaging lens and the second imaging lens are both convex lenses.

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