CN215340660U - Projection device - Google Patents

Abstract

The utility model discloses a projection device, which comprises an illumination device; an imaging device detachably connected to the illumination device; the absorbing body and the absorbed body are respectively arranged at one end of the imaging device and one end of the illuminating device; the adsorber can adsorb an adsorbed body, the adsorber is a magnet, and the adsorbed body is a magnet or a ferromagnetic metal piece. The projection device is divided into the imaging device and the lighting device, the two devices are fixed through the adsorption between the magnet and the magnet or between the magnet and the ferromagnetic metal piece, the operation efficiency of replacing the projection film and correcting the imaging pattern is effectively improved, the mounting and dismounting are convenient and quick, the operation is simple, the replacement efficiency of the projection film is high, and the user experience is improved.

Description

Projection device

Technical Field

The application relates to the technical field of lamps, in particular to a projection device.

Background

The projection device is a lamp which projects images and/or characters on a screen, a wall surface and the ground by utilizing light, and has strong visual effect, atmosphere is set off, warning signs and the like can be projected for safety precaution, and the projection device is widely applied to places such as offices, clothing stores, hotels, professional show windows, homes and the like which need decoration effect and key illumination.

The projection device sold on the market at present has large volume, the projection film is arranged inside the lamp body, the operation is troublesome when the projection film is replaced, and the imaging pattern can not be corrected after the projection film is arranged. In general, it is very troublesome to fix a projection film while lighting up a lamp to compare the effect of an image pattern when mounting the image pattern. Not only wastes working time, but also has low installation efficiency, and can not ensure the stability and the rapidness of replacing the projection film.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a projection device, which solves the problems that the existing projection device is complex in installation operation when a projection film is replaced, and the replacement projection film and the imaging pattern cannot be quickly taken down and corrected.

In view of the above technical problem, the present invention provides a projection apparatus comprising: an illumination device; an imaging device detachably connected to the illumination device; the absorbing body and the absorbed body are respectively arranged at one end of the imaging device and one end of the illuminating device; the adsorbate can be with the adsorbate adsorbs, the adsorbate is the magnet, the adsorbate is magnet or ferromagnetic metalwork.

Further, the adsorption body is a permanent magnet; the ferromagnetic metal part is made of a monomer or a compound containing at least one metal of iron, cobalt and nickel.

Further, the lighting device includes a first housing which is a heat sink; and the magnetic attraction ring is a magnet or a ferromagnetic metal piece and is fixedly connected to the bottom surface of one side, facing the imaging device, of the first shell.

Further, the lighting device includes: a light source located within the first housing; a lens holder secured within the first housing; and a lens fixed to the middle of the lens holder and disposed opposite to the light source.

Further, the imaging apparatus includes: the second shell is a cylinder; a film mounting bracket, which is ring-shaped, mounted to the top of the second housing; the top surface of the film mounting rack is provided with at least one magnetic suction groove; and at least one magnetic attraction block which is a magnet or a ferromagnetic metal piece and is respectively arranged in the magnetic attraction groove.

Furthermore, the top of the film mounting rack is provided with at least one hook for fixing the film.

Further, the projection device comprises: at least one connecting groove, which is concave on the top surface of the film mounting rack of the imaging device; the connecting rod is protruded out of the bottom surface of the lens support of the lighting device; each connecting rod is detachably inserted into a connecting groove.

Further, the lighting device further includes a rail box, the rail box including: an upper cover slidably mounted to the guide rail; and the lower cover body is fixedly connected to the top of the lighting device and is detachably connected to the upper cover body.

Further, a second magnet or a second ferromagnetic metal piece is arranged inside or on the upper surface of the lower cover body; and a third magnet is arranged in the upper cover body or on the lower surface of the upper cover body, and can adsorb the second magnet or the second ferromagnetic metal piece.

Further, the imaging apparatus further includes: the first imaging cylinder is internally provided with a first lens and is arranged opposite to the film mounting frame; and a second imaging cylinder, in which a second lens is arranged, and is arranged opposite to the first lens.

The utility model has the beneficial effects that: the utility model provides a projection device which is divided into an imaging device and an illuminating device, wherein the two devices are detachably connected through the adsorption between a magnet and a magnet or between the magnet and a ferromagnetic metal piece. When the projection film is replaced, the imaging device and the lighting device are separated, the original projection film is drawn out, and a new projection film is inserted, so that the projection film can be quickly taken down and replaced. Since the projection film is mounted on the imaging device, the imaging device can be rotated after the imaging device is connected to the lighting device, thereby achieving the purpose of correcting the imaging pattern. The utility model has the advantages of convenient and quick assembly and disassembly, simple operation, high projection film replacement efficiency and improvement on user experience.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of an imaging device and an illumination device before they are connected according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lighting device according to an embodiment of the present invention, which mainly embodies the first housing and its internal components;

fig. 3 is a schematic structural diagram of an imaging device according to an embodiment of the utility model, which mainly embodies the second housing and its internal components;

FIG. 4 is a schematic view of a film holder structure of an image forming apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an imaging apparatus according to an embodiment of the present invention, which mainly embodies the first imaging cylinder and its internal components;

FIG. 6 is a schematic diagram of the construction of a guide rail box embodying the internal components of an embodiment of the present invention;

description of reference numerals:

1 projection device 100 projection film

10 illumination device 20 imaging device

11 guide rail box

101 first shell 102 magnetic attracting ring

103 light source 104 lens holder

1041 connecting rod 105 lens

106 rotating shaft 1061 screw rod

107 rear end cover 108 rotating shaft gland

201 second shell 202 film holder

2021 magnetic attraction groove 2022 connecting groove

2023 magnetic attraction block with hook 203

204 first imaging cylinder 2041 threaded portion

2042 damping part 2043 damping ring

205 lens fastener 206 first imaging lens

207 second imaging cylinder 208 second imaging lens

111 lower cover 112 connector

113 limit stop sheet 114 insulation cover

115 nut 116 third magnet

117 upper cover body

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. It should be understood that the detailed description and specific examples, while indicating the present application, are given by way of illustration and explanation only, and are not intended to limit the present application. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.

The embodiment of the application provides a projection device. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.

Example 1

Referring to fig. 1, the present invention provides a projection apparatus 1, which includes an illumination apparatus 10 and an imaging apparatus 20. The imaging device 20 is detachably connected to the illumination device 10. An adsorbing body and an adsorbed body respectively arranged at one end of the imaging device 20 and one end of the illuminating device 10; the adsorbate can be adsorbed by the adsorbate, and the adsorbate is a magnet or a ferromagnetic metal piece.

Referring to fig. 2, the lighting device 10 includes: a first housing 101, a magnetic attracting ring 102, a light source 103, a lens holder 104, and a lens 105.

The first casing 101 is a heat sink, and has a cylindrical structure with an open end at one end and a closed end at the other end. The magnetic attracting ring 102 is fixedly attached to the bottom surface of the first housing 101 on the side facing the imaging device 20. The light source 103 is located within the first housing 101 and the lens holder 104 is fixed within the first housing 101. The lens 105 is fixed to the middle of the lens holder 104, and is disposed opposite to the light source 103.

Referring to fig. 3 and 4, the image forming apparatus 20 includes: a second housing 201, a film mounting bracket 202 and a magnetic block 203.

The second housing 201 is a cylinder including a cylindrical cavity, and the film mount 202, which is ring-shaped, is mounted to the top of the second housing 201. The top surface of the film mounting frame 202 is uniformly provided with at least one magnetic groove 2021 at intervals, and the at least one magnetic block 203 is respectively installed in the magnetic groove 2021 and can absorb the lighting device 10. The film mounting bracket 202 has at least one hook 2023 on the top thereof for fixing the projection film 100, thereby effectively preventing the projection film 100 from falling off.

In this embodiment, the magnetic block 203 is a magnet, the magnetic ring 102 is a ferromagnetic metal member, the magnetic block 203 (i.e., the magnet) is located at one end of the imaging device 20, and the magnetic ring 102 (i.e., the ferromagnetic metal member) is located at one end of the illumination device 10. The magnet is a permanent magnet, and the ferromagnetic metal part is made of a monomer or a compound containing at least one metal of iron, cobalt and nickel. The illumination device 10 and the imaging device 20 are detachably connected by attraction between a ferromagnetic metal piece and a magnet.

In this embodiment, the lighting device 10 further includes at least one connecting rod 1041 protruding from the bottom surface of the lens holder 104 of the lighting device 10. The imaging device 20 further includes at least one connection groove 2022 recessed below the top surface of the film mounting frame 202 of the imaging device 20, and each connection rod 1041 of the transparent support 104 of the illumination device 10 is detachably inserted into one connection groove 2022. The cooperation of the connecting rod 1041 and the connecting groove 2022 can enable the illumination device 10 to be detachably connected to the imaging device 20, thereby preventing the illumination device and the imaging device from being unstable due to insufficient magnetic attraction.

Referring to fig. 1 and 2, the lighting device 10 further includes: a rotating shaft 106, a rear end cover 107, a rotating shaft gland 108 and a guide rail box 11.

The rotating shaft 106 extends to the outside of the first casing 101, and the end thereof is provided with a screw 1061; the rotating shaft 106 facilitates adjusting the angle of the projection device, and the rear end cover 107 is located in the first housing 101; and a shaft cover 108 located in the first housing 101.

Referring to fig. 5, the rail box 11 includes: the lower cover 111, the connector 112, the limit stop 113, the insulation cover 114, the nut 115, the third magnet 116, and the upper cover 117.

The upper cover 117 is slidably mounted to the guide rail; and the lower cover 111 is fixedly connected to the top of the lighting device 10 and detachably connected to the upper cover 117. A second magnet or a second ferromagnetic metal part is arranged inside or on the upper surface of the lower cover body 111; the third magnet 116 is disposed inside or on the lower surface of the upper cover 117, and can attract the second magnet or the second ferromagnetic metal member. The nut 115 is screwed to the screw 1061 of the rotating shaft 106 of the lighting device 10 to fix the lower cover 111 to the rotating shaft 106. The connector 112 is sleeved on the screw 1061 of the rotating shaft 106 and disposed on the lower cover 111, the limit stop piece 113 is sleeved on the screw 1061 of the rotating shaft 106 and disposed on the connector 112, the insulating cover 114 is disposed on the screw 1061 of the rotating shaft 106 and disposed on the limit stop piece 113 and the connector 112, and the projection apparatus 1 can be adsorbed on any magnetic track through the track box 11.

Referring to fig. 6, the image forming apparatus 20 further includes: a first imaging barrel 204, a lens fastener 205, a first lens 206, a second imaging barrel 207, a damping ring 2043, and a second lens 208.

The first imaging cylinder 204 is a cylinder, in which a first lens 206 is disposed, and is disposed opposite to the film mounting frame 202; the first lens 206 is threaded into the first imaging barrel 206 by a first lens 206 mount, the distance of which from the film mount is adjustable. The second imaging cylinder 207, in which the second lens 208 is disposed, is disposed opposite to the first lens 206. The second lens 208 is threaded into the first imaging cylinder 204 by a lens fastener 205, and the distance of the second lens 208 from the film mount 202 is adjustable. One end of the first imaging cylinder 204 is screwed to the second housing 201, and the other end thereof is screwed to the second imaging cylinder 207. The damping ring 2043 is sleeved on the outer side wall of the first imaging cylinder 204 to play a limiting role.

The first imaging lens 206 is an acrylic imaging lens, and the second imaging lens 208 is a glass imaging lens.

Specifically, in use, the projection film 100 is fixed in the film holder 202 by the hook 2023, and then the imaging device 20 and the lighting device 10 are magnetically connected to the first magnet by the ferromagnetic metal piece, and the lighting device 10 projects the pattern and/or text on the projection film 100 to the surface of the object through the imaging device 20 in the form of light.

When the projection film 100 is replaced, the imaging device 20 is separated from the lighting device 10, the original projection film 100 is pulled out from the film holder 202, the projection film 100 with a new projection is inserted into the film holder 202, and the projection film 100 is fixed on the film holder 202 by the hook 2023.

When the image pattern is corrected, the image device 20 can be directly rotated without separating the image device 20 from the illumination device 10 in a state where the image device 20 is connected to the illumination device 10, thereby achieving the purpose of correcting the position of the image pattern and/or the character.

Example 2

The present embodiment includes all the solutions of embodiment 1, and is different from embodiment 1 in that the magnetic attraction block 203 of the present embodiment is a magnet, the magnetic attraction ring 102 is also a magnet, the magnetic attraction block 203 (i.e., a magnet) is located at one end of the imaging device 20, and the magnetic attraction ring 102 (i.e., a magnet) is located at one end of the illumination device 10. The two magnets are permanent magnets, and the S pole of one permanent magnet is adjacent to the N pole of the other permanent magnet, so that the two magnets are ensured to attract each other rather than repel each other. The illumination device 10 and the imaging device 20 are detachably connected by attraction between the magnets. The device is convenient and quick to disassemble and assemble, simple to operate and convenient to replace the projection film and correct the projection image.

Example 3

The embodiment includes the whole solution of embodiment 1, and the difference is that the magnetic block 203 of this embodiment is a ferromagnetic metal member, the magnetic ring 102 is a magnet, the magnetic block 203 (i.e., the ferromagnetic metal member) is located at one end of the imaging device 20, and the magnetic ring 102 (i.e., the magnet) is located at one end of the illumination device 10. The magnet is a permanent magnet, and the ferromagnetic metal part is made of a monomer or a compound containing at least one metal of iron, cobalt and nickel. The illumination device 10 and the imaging device 20 are detachably connected by attraction between a ferromagnetic metal piece and a magnet. The device is convenient and quick to disassemble and assemble, simple to operate and convenient to replace the projection film and correct the projection image.

The foregoing detailed description is directed to a projection apparatus provided in an embodiment of the present application, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A projection device is characterized by comprising

An illumination device; and

an imaging device detachably connected to the illumination device; and

the absorption body and the absorbed body are respectively arranged at one end of the imaging device and one end of the illuminating device;

the adsorbate can be with the adsorbate adsorbs, the adsorbate is the magnet, the adsorbate is magnet or ferromagnetic metalwork.

2. The projection device of claim 1,

the adsorption body is a permanent magnet;

the material of the ferromagnetic metal piece comprises any one of iron, cobalt and nickel.

3. The projection device of claim 1, wherein the illumination device comprises

A first housing which is a heat sink; and

a magnetic attraction ring which is the magnet or the ferromagnetic metal piece and is fixedly connected to the first shell towards the magnet

Like the bottom surface of the device side.

4. The projection device of claim 3, wherein the illumination device comprises:

a light source located within the first housing;

a lens holder secured within the first housing; and

a lens fixed to the middle of the lens holder and disposed opposite to the light source.

5. The projection device of claim 1, wherein the imaging device comprises:

the second shell is a cylinder;

a film mounting bracket, which is ring-shaped, mounted to the top of the second housing; the top surface of the film mounting rack is provided with at least one magnetic suction groove; and

and the magnetic attraction block is the magnet or the ferromagnetic metal piece and is respectively arranged in the magnetic attraction groove.

6. The projection device of claim 5,

the top of the film mounting rack is provided with at least one clamping hook for fixing the film.

7. The projection device of claim 1, comprising:

at least one connecting groove, which is concave on the top surface of the film mounting rack of the imaging device; and

at least one connecting rod protruding from the bottom surface of the lens support of the lighting device; each connecting rod is detachably inserted into a connecting groove.

8. The projection device of claim 1, wherein the illumination device further comprises a rail box, the rail box comprising:

an upper cover slidably mounted to the guide rail; and

and the lower cover body is fixedly connected to the top of the lighting device and is detachably connected to the upper cover body.

9. The projection apparatus according to claim 8,

a second magnet or a second ferromagnetic metal piece is arranged in the lower cover body or on the upper surface of the lower cover body;

and a third magnet is arranged in the upper cover body or on the lower surface of the upper cover body, and can adsorb the second magnet or the second ferromagnetic metal piece.

10. The projection device of claim 5, wherein the imaging device further comprises:

the first imaging cylinder is internally provided with a first lens and is arranged opposite to the film mounting frame; and

and the second imaging cylinder is internally provided with a second lens and is opposite to the first lens.

Images