Projection cylinder capable of rotating angle

Abstract

The utility model provides a projection cylinder with a rotatable angle, which comprises a projection cylinder body and an assembling component, one end of the projection cylinder body is provided with an assembling opening, the other end of the projection cylinder body is provided with a light outlet opening, the projection cylinder body is internally provided with a projection channel communicated with the assembling opening and the light outlet opening, and the assembling opening is communicated with the light outlet opening through the projection channel. The assembling component is mounted at the assembling opening; the assembling assembly comprises an assembling connecting cylinder, a connecting piece and a fixing ring, the fixing ring is fixed to the inner side of the assembling opening, one side of the connecting piece is rotatably installed on the inner side of the fixing ring, and the other side of the connecting piece is rotatably installed on the outer side of one end of the assembling connecting cylinder; the assembly connecting cylinder is rotatably installed on the fixing ring through the connecting piece, and the other end of the assembly connecting cylinder is used for being connected with a projection lamp. By adopting the scheme, the angle is adjusted by rotating the projection cylinder body relative to the projection lamp, and the adjustment operation is convenient and fast.

Description

Technical Field

[0001] The utility model belongs to the technical field of projection lamps, and particularly relates to a projection tube with a rotatable angle. Background Art

[0002] In today's indoor photography environments such as photo studios or advertising photography, in order to create various optical effects, people often install projection tubes on the photographic light source to achieve various required optical effects.

[0003] However, the angle of the projection tube will be adjusted before it is installed on the photographic light source, and it will be fixed after the installation is completed. The angle cannot be adjusted according to the user's needs. When the angle needs to be adjusted, the projection tube needs to be disassembled before the angle can be adjusted and then installed again, which makes the operation of adjusting the angle of the projection tube more cumbersome and reduces the user experience. Utility Model Content

[0004] The main purpose of the present utility model is to provide a projection tube with a rotatable angle, wherein the assembly component includes: an assembly connecting tube, a connecting piece, and a fixing ring, the fixing ring is fixed to the inner side of the assembly opening, one side of the connecting piece can be rotatably installed on the inner side of the fixing ring, and the other side of the connecting piece can be rotatably installed on the outer side of one end of the assembly connecting tube, the assembly connecting tube can be rotatably installed on the fixing ring through the connecting piece, and the other end of the assembly connecting tube is used to connect the projection lamp, and then after the projection tube is installed on the projection lamp, the projection tube body can be rotatably installed on the projection lamp through the assembly component; the above scheme is adopted to overcome the shortcomings that the traditional projection tube cannot be rotated relative to the projection lamp and needs to be installed and disassembled multiple times to be adjusted to the appropriate angle. The utility model does not need to deliberately align the angle, and only needs to install the projection tube on the projection lamp. The angle can be adjusted relative to the projection lamp by rotating the projection tube body. Adjusting the angle of the projection tube is convenient and quick, thereby improving the user experience.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A projection tube with a rotatable angle comprises: a projection tube body, and an assembly component, wherein one end of the projection tube body is provided with an assembly opening, the other end of the projection tube body is provided with a light outlet opening, a projection channel connecting the assembly opening and the light outlet opening is provided inside the projection tube body, and the assembly component is installed at the assembly opening; wherein the assembly component comprises: an assembly connecting tube, a connecting piece, and a fixing ring, the fixing ring is fixed to the inner side of the assembly opening, one side of the connecting piece can be rotatably mounted on the inner side of the fixing ring, the other side of the connecting piece can be rotatably mounted on the outer side of one end of the assembly connecting tube, the assembly connecting tube can be rotatably mounted on the fixing ring through the connecting piece, and the other end of the assembly connecting tube is used to connect a projection lamp.

[0007] As a preferred solution for a projection tube with a rotatable angle, the connecting piece is an elastic connecting ring, which is provided with a notch for providing elasticity; a first fixing groove is provided around the inner side of the fixing ring, one end of the assembly connecting tube extends outward to form a fixing platform, and a second fixing groove is provided around the outer side of the fixing platform; after the fixing platform is extended into the assembly opening, the inner and outer sides of the elastic connecting ring can be rotatably embedded in the first fixing groove and the second fixing groove respectively.

[0008] As a preferred solution for the projection tube with a rotatable angle, the fixed platform extends outward to form a shielding convex edge, and the shielding convex edge is used to shield the gap between the assembly connecting tube and the fixing ring.

[0009] As a preferred solution for a projection tube with a rotatable angle, the projection tube with a rotatable angle also includes: a projection film and a lens assembly, and the lens assembly includes: a lens mounting tube and a pair of convex lenses fixed in the lens mounting tube; a projection film slot is provided at one end of the projection tube body close to the light outlet opening, and the projection film slot is connected to the projection channel, and the projection film can be plugged in and out of the projection film slot; the lens assembly is fixed in the projection channel at a position between the assembly opening and the projection film, and the light emitted by the projection lamp passes through the assembly opening and is focused by the lens assembly and projected parallelly onto the projection film.

[0010] As a preferred solution for the rotatable projection tube, abutment springs are provided at both ends of the projection slot. After the projection is inserted into the projection slot, the abutment springs abut the sides of the projection to restrict the projection from falling out of the projection slot.

[0011] As a preferred solution for a projection tube with a rotatable angle, a limiting ring assembly is provided on the outside of the projection tube body at a position corresponding to the opening of the projection film slot, and the limiting ring assembly includes: a limiting ring body and a fixing knob; guide grooves are provided at both ends of the limiting ring body, and the guide grooves extend along the direction of the projection tube body. The fixing knob passes through the guide grooves and extends into the projection tube body for fixing, and the limiting ring body can slide up and down along the direction of the guide grooves.

[0012] As a preferred solution for a projection tube with a rotatable angle, the projection tube with a rotatable angle also includes: multiple light-cutting plates; the projection tube body is provided with multiple light-cutting plate slots at positions corresponding to the positions between the projection plate slots and the lens assembly, and the multiple light-cutting plate slots are connected to the projection channel. The multiple light-cutting plates can be plugged in and out of the corresponding light-cutting plate slots to fully or partially block the light projected by the lens assembly onto the projection plate.

[0013] As a preferred solution for a rotatable projection tube, a first heat dissipation hole connecting the projection channel and the outside world is provided on the side of the projection tube body, and a second heat dissipation hole is provided on the fixed platform. The first heat dissipation hole, the projection channel and the second heat dissipation hole cooperate with each other to form a heat dissipation channel.

[0014] As a preferred solution for a projection tube with a rotatable angle, the lens assembly also includes: a light-shielding tube installed on one end of the lens mounting tube facing the assembly opening; the light-shielding tube is arranged around the lens mounting tube, and the light-shielding tube extends in a direction of expanding diameter toward the assembly opening, and the light-shielding hood is used to block the gap between the lens mounting tube and the projection channel.

[0015] As a preferred solution for a projection tube with a rotatable angle, the projection tube with a rotatable angle further includes: a lens assembly that can be detachably mounted on the light exit opening; the lens assembly includes: a lens body, and a lens mounting tube that is sleeved on the lens body, and one end of the lens mounting tube can be detachably mounted on the light exit opening.

[0016] The beneficial effects of the utility model are:

[0017] The present invention provides a rotatable projection tube, comprising: a projection tube body and an assembly assembly, wherein one end of the projection tube body is provided with an assembly opening, the other end of the projection tube is provided with a light outlet opening, a projection channel communicating with the assembly opening and the light outlet opening is provided inside the projection tube body, and the assembly assembly is mounted at the assembly opening; wherein the assembly assembly comprises: an assembly connecting tube, a connecting piece, and a fixing ring, wherein the fixing ring is fixed to the inner side of the assembly opening, one side of the connecting piece is rotatably mounted on the inner side of the fixing ring, and the other side of the connecting piece is rotatably mounted on the outer side of one end of the assembly connecting tube, the assembly connecting tube is rotatably mounted on the fixing ring via the connecting piece, and the other end of the assembly connecting tube is used to connect to a projection lamp, and after the projection tube is mounted on the projection lamp, the projection tube body is rotatably mounted on the projection lamp via the assembly assembly; adopting the above-mentioned scheme, the disadvantage that the traditional projection tube cannot be rotated relative to the projection lamp and needs to be assembled and disassembled multiple times to adjust to a suitable angle is overcome. The utility model does not need to deliberately align the angle, and only needs to install the projection tube to the projection lamp. The angle of the projection tube can be adjusted relative to the projection lamp by rotating the projection tube body. Adjusting the angle of the projection tube is convenient and quick, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without creative work, and all of them belong to the protection scope of the present invention, among which:

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the projection tube with a rotatable angle of the utility model;

[0020] Figure 2 yes Figure 1 A cross-sectional view of the projection tube that can be rotated at an angle shown;

[0021] Figure 3 yes Figure 1 An exploded schematic diagram of a rotatable projection tube is shown;

[0022] Figure 4 yes Figure 3 The schematic diagram of the structure of the assembly connection cylinder of the rotatable projection cylinder shown;

[0023] Figure 5 yes Figure 3 A schematic structural diagram of the connecting member of the rotatable projection tube shown;

[0024] Figure 6 yes Figure 3 A schematic structural diagram of a fixed ring of a rotatable projection tube is shown;

[0025] Figure 7 yes Figure 3 A schematic diagram of the structure of a projection tube body of the rotatable projection tube at one angle is shown;

[0026] Figure 8 yes Figure 7 The diagram shows another angle structure diagram of the projection tube body of the rotatable projection tube. DETAILED DESCRIPTION

[0027] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. It should be noted that, unless there is a conflict, the various features of the embodiments of the present invention may be combined with each other, and the combined embodiments are still within the scope of protection of the present invention.

[0029] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, rotatable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0030] In today's indoor photography environments such as photo studios or advertising photography, in order to create various optical effects, people often install projection tubes on the photographic light source to achieve various required optical effects.

[0031] However, the angle of the projection tube will be adjusted before it is installed on the photographic light source, and it will be fixed after the installation is completed. The angle cannot be adjusted according to the user's needs. When the angle needs to be adjusted, the projection tube needs to be disassembled before the angle can be adjusted and then installed again, which makes the operation of adjusting the angle of the projection tube more cumbersome and reduces the user experience.

[0032] like Figure 1 、 Figure 2 and Figure 3 As shown, the embodiment of the present invention provides a projection tube with a rotatable angle, which includes: a projection tube body 10, a projection film 20, a lens assembly 30, a plurality of light cutting pieces 40, an assembly assembly 50, and a lens assembly 60. One end of the projection tube body 10 is provided with an assembly opening 11, and the other end of the projection tube body 10 is provided with a light outlet opening 12. The projection tube body 10 is provided with a projection channel 13 connecting the assembly opening 11 and the light outlet opening 12. The assembly assembly 50 is installed at the assembly opening 11. The lens assembly 60 is detachably mounted at the light exit opening 12, the projection sheet 20 is pluggable and mounted in a position near the light exit opening 12 in the projection tube body 10, the lens assembly 30 is mounted in a position near the assembly opening 11 in the projection tube body 10, and the light cutter 40 is pluggable and mounted in a position between the projection sheet 20 and the lens assembly 30 in the projection tube body 10, and the light emitted by the projection lamp passes through the lens assembly 30, the light cutter 40, the projection sheet 20 and the lens assembly 60 in sequence and is emitted to the outside;

[0033] Among them, the assembly component 50 includes: an assembly connecting tube 51, a connecting member 52, and a fixing ring 53. The fixing ring 53 is fixed to the inner side of the assembly opening 11. One side of the connecting member 52 can be rotatably installed on the inner side of the fixing ring 53, and the other side of the connecting member 52 can be rotatably installed on the outer side of one end of the assembly connecting tube 51. The assembly connecting tube 51 can be rotatably installed on the fixing ring 53 through the connecting member 52. The other end of the assembly connecting tube 51 is used to connect the projection lamp. After the projection tube is installed on the projection lamp, the projection tube body 10 can be rotatably installed on the projection lamp through the assembly component 50.

[0034] In the present invention, the above-mentioned solution is adopted to overcome the shortcomings of the traditional projection tube that cannot be rotated relative to the projection lamp and needs to be installed and disassembled multiple times to be adjusted to a suitable angle. The present invention does not need to deliberately align the angle, and only needs to install the projection tube on the projection lamp. The angle can be adjusted relative to the projection lamp by rotating the projection tube body 10. The angle of the projection tube is adjusted quickly and conveniently, thereby improving the user experience.

[0035] like Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 As shown, specifically, the connecting member 52 is an elastic connecting ring 52, and the elastic connecting ring 52 is provided with a notch 521 for providing elasticity; a first fixing groove 531 is provided around the inner side of the fixing ring 53, and the elastic connecting ring 52 is installed in the first fixing groove 531 by compressing the elastic connecting ring 52, and one end of the assembly connecting tube 51 extends outward to form a fixing platform 511, and a second fixing groove 5111 is provided around the outer side of the fixing platform 511; after the fixing platform 511 is extended into the assembly opening 11, the inner and outer sides of the elastic connecting ring 52 can be rotatably embedded in the first fixing groove 531 and the second fixing groove 5111 respectively.

[0036] In order to improve the viewing experience of the rotatable projection tube, the fixed platform 511 extends outward to form a shielding convex edge 5112, and the shielding convex edge 5112 is used to block the gap between the assembly connecting tube 51 and the fixing ring 53, so that the user can avoid seeing the gap between the assembly connecting tube 51 and the fixing ring 53.

[0037] In order to install the projector 20 and the lens assembly 30, the lens assembly 30 includes: a lens mounting tube 31, and a pair of convex lenses 32 fixed in the lens mounting tube 31; a projector slot 14 is provided at one end of the projection tube body 10 close to the light outlet opening 12, and the projector slot 14 is connected to the projection channel 13, and the projector 20 can be inserted into the projector slot 14; the lens assembly 30 is fixed in the projection channel 13 at a position between the assembly opening 11 and the projector 20, and the light emitted by the projection lamp passes through the assembly opening 11 and is focused and projected parallelly onto the projector 20 by the lens assembly 30, thereby installing the projector 20 and the lens assembly 30 on the projection tube body 10.

[0038] In order to prevent the slide 20 from falling out easily, abutment springs 15 are provided at both ends of the slide slot 14 . After the slide 20 is inserted into the slide slot 14 , the abutment springs 15 abut against the sides of the slide 20 to restrict the slide 20 from falling out of the slide slot 14 .

[0039] In order to further fix the projection film 20, a limiting ring assembly 16 is provided on the outside of the projection tube body 10 at a position corresponding to the opening of the projection film slot 14. The limiting ring assembly 16 includes: a limiting ring body 161 and a fixing knob 162; guide grooves 1611 are provided at both ends of the limiting ring body 161, and the guide grooves 1611 extend along the direction of the projection tube body 10. The fixing knob 162 passes through the guide grooves 1611 and extends into the projection tube body 10 for fixation. The limiting ring body 161 can slide up and down along the direction of the guide grooves 1611.

[0040] During the installation process, first loosen the fixing knob 162, slide the limiting ring body 161 along the guide groove 1611 toward the direction away from the slide slot 14, insert the slide 20 into the slide slot 14, and then slide the limiting ring body 161 along the guide groove 1611 toward the direction close to the slide slot 14. After sliding to the appropriate position, tighten the fixing knob 162, and then the limiting ring body 161 abuts against the slide 20 to limit the slide 20 from falling out of the slide slot 14.

[0041] In order to install multiple light-cutting plates 40, the projection tube body 10 is provided with multiple light-cutting plate slots 17 at positions corresponding to the projection plate slots 14 and the lens assembly 30. The multiple light-cutting plate slots 17 are connected to the projection channel 13. The multiple light-cutting plates 40 can be plugged in and out of the corresponding light-cutting plate slots 17 to fully or partially block the light projected by the lens assembly 30 onto the projection plate 20.

[0042] In order to dissipate heat inside the projection tube body 10, a first heat dissipation hole 18 is provided on the side of the projection tube body 10 to connect the projection channel 13 and the outside world, and a second heat dissipation hole 5113 is provided on the fixed platform 511. The first heat dissipation hole 18, the projection channel 13 and the second heat dissipation hole 5113 cooperate with each other to form a heat dissipation channel 19 for heat dissipation, thereby preventing heat from accumulating inside the projection tube body 10 and damaging heat-sensitive components inside the projection tube body 10.

[0043] In order to prevent light from leaking from the first heat dissipation hole 18, the lens assembly 30 also includes: a light-shielding tube 33 installed on the end of the lens mounting tube 31 facing the assembly opening 11; the light-shielding tube 33 is arranged around the lens mounting tube 31, and the light-shielding tube 33 extends in an expanding diameter trend toward the assembly opening 11, and the light-shielding hood is used to block the gap between the lens mounting tube 31 and the projection channel 13, thereby preventing light from leaking from the first heat dissipation hole 18 after passing through the above-mentioned gap.

[0044] In order to install the lens assembly 60, the lens assembly 60 can be detachably installed on the light exit opening 12; the lens assembly 60 includes: a lens body 61, and a lens mounting tube 62 mounted on the lens body 61, one end of the lens mounting tube 62 can be detachably installed at the light exit opening 12, so that the projection tube can be configured with different lens assemblies 60 to achieve different shooting effects.

[0045] The present invention is described in detail above with reference to the accompanying drawings, but the present invention is not limited to the embodiments described. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A projection tube with a rotatable angle, characterized in that: include: A projection tube body and an assembly component, wherein one end of the projection tube body is provided with an assembly opening, the other end of the projection tube body is provided with a light outlet opening, a projection channel is provided inside the projection tube body to connect the assembly opening and the light outlet opening, and the assembly component is installed at the assembly opening; Wherein, the assembly component includes: an assembly connecting tube, a connecting piece, and a fixing ring, the fixing ring is fixed to the inner side of the assembly opening, one side of the connecting piece can be rotatably installed on the inner side of the fixing ring, and the other side of the connecting piece can be rotatably installed on the outer side of one end of the assembly connecting tube, the assembly connecting tube can be rotatably installed on the fixing ring through the connecting piece, and the other end of the assembly connecting tube is used to connect the projection lamp.

2. The rotatable projection tube according to claim 1, wherein: The connecting piece is an elastic connecting ring, and the elastic connecting ring is provided with a notch for providing elasticity; A first fixing groove is provided around the inner side of the fixing ring, one end of the assembly connecting tube extends outward to form a fixing platform, and a second fixing groove is provided around the outer side of the fixing platform; After the fixing platform extends into the assembly opening, the inner and outer sides of the elastic connecting ring are rotatably embedded in the first fixing groove and the second fixing groove respectively.

3. The rotatable projection tube according to claim 2, wherein: The fixing platform extends outward to form a shielding convex edge, and the shielding convex edge is used to shield the gap between the assembly connecting cylinder and the fixing ring.

4. The rotatable projection tube according to claim 2, wherein: The rotatable projection tube further comprises: a projection sheet and a lens assembly, wherein the lens assembly comprises: a lens mounting tube and a pair of convex lenses fixed in the lens mounting tube; A projection film slot is provided at one end of the projection tube body close to the light outlet, the projection film slot is communicated with the projection channel, and the projection film can be inserted into the projection film slot; The lens assembly is fixed in the projection channel at a position between the assembly opening and the projection film. The light emitted by the projection lamp passes through the assembly opening and is focused by the lens assembly and projected parallelly onto the projection film.

5. The rotatable projection tube according to claim 4, characterized in that: Both ends of the slide slot are provided with abutting spring pieces. After the slide is inserted into the slide slot, the abutting spring pieces abut against the side surfaces of the slide to restrict the slide from falling out of the slide slot.

6. The rotatable projection tube according to claim 4, characterized in that: A limiting ring assembly is provided on the outside of the projection tube body at a position corresponding to the opening of the projection slot, and the limiting ring assembly includes: a limiting ring body and a fixing knob; Guide grooves are provided at both ends of the limiting ring body, and the guide grooves extend along the direction of the projection tube body. The fixing knob passes through the guide grooves and extends into the projection tube body for fixation. The limiting ring body can slide up and down along the direction of the guide grooves.

7. The rotatable projection tube according to claim 4, characterized in that: The projection tube capable of rotating at an angle further comprises: a plurality of light cutting pieces; The projection tube body is provided with a plurality of light-cutting plate slots at positions corresponding to those between the projection plate slots and the lens assembly. The plurality of light-cutting plate slots are connected to the projection channel. The plurality of light-cutting plates can be plugged in and out of the corresponding light-cutting plate slots to fully or partially block the light projected from the lens assembly onto the projection plate.

8. The rotatable projection tube according to claim 4, wherein: A first heat dissipation hole connecting the projection channel and the outside is provided on the side of the projection tube body, and a second heat dissipation hole is provided on the fixing platform. The first heat dissipation hole, the projection channel and the second heat dissipation hole cooperate with each other to form a heat dissipation channel.

9. The rotatable projection tube according to claim 8, wherein: The lens assembly further comprises: a light-shielding cylinder mounted on one end of the lens mounting cylinder facing the assembly opening; The light-shielding tube is arranged around the lens mounting tube and extends toward the assembly opening in a trend of expanding the diameter. The light-shielding tube is used to block the gap between the lens mounting tube and the projection channel.

10. The rotatable projection tube according to claim 1, wherein: The projection tube with a rotatable angle further comprises: a lens assembly detachably mounted on the light exit opening; The lens assembly comprises a lens body and a lens mounting tube sleeved on the lens body, and one end of the lens mounting tube is detachably mounted on the light exit opening.

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