CN209979912U - Adjustable optical assembly of 3D projection equipment - Google Patents

Adjustable optical assembly of 3D projection equipment Download PDF

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Publication number
CN209979912U
CN209979912U CN201920885688.4U CN201920885688U CN209979912U CN 209979912 U CN209979912 U CN 209979912U CN 201920885688 U CN201920885688 U CN 201920885688U CN 209979912 U CN209979912 U CN 209979912U
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China
Prior art keywords
prism
fixing frame
vertical plate
side vertical
adjusting
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CN201920885688.4U
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Chinese (zh)
Inventor
戴水玲
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Shenzhen Thousand Light Photoelectricity Co Ltd
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Shenzhen Thousand Light Photoelectricity Co Ltd
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Abstract

The utility model discloses an adjustable optical component of 3D projection equipment, which comprises a first fixing frame, a second fixing frame, a prism component, an adjusting lens and an adjusting component; the first fixing frame and the second fixing frame are in frame shapes, the prism assembly is fixed in the first fixing frame, the adjusting lens is fixed in the second fixing frame, and the second fixing frame is positioned on one side of the first fixing frame; the adjusting assembly is arranged on two sides of the first fixing frame and the second fixing frame and comprises an adjusting screw rod, a fixing nut, a connecting block, a sliding rail and a sliding block, one end of the connecting block and the fixing nut are fixed on the side wall of the second fixing frame, the sliding rail is fixed on the side wall of the first fixing frame, and the sliding block is fixedly connected with the other end of the connecting block; the adjusting screw is rotatably arranged on the side wall of the first fixing frame, and the top end of the adjusting screw is provided with an external thread; the utility model has the advantages that: the position of the adjusting lens is convenient to adjust, and the adjusting mode is simple and quick.

Description

Adjustable optical assembly of 3D projection equipment
Technical Field
The utility model relates to a projection equipment technical field, more specifically the utility model relates to a 3D throws adjustable optical assembly with equipment.
Background
At present, projection equipment is miniaturized, in the using process, the used scene can be changed continuously, various adjustments are needed to be carried out through the projection equipment, and a perfect visual effect is achieved.
For a projection device using a gear adjusting device to adjust the light-emitting angle, a pair of gears engaged with each other needs to be rotated to axially displace one of the gears, so as to adjust the light-emitting angle. Can reserve certain clearance value in the design between the terminal surface of set screw and gear and ensure the normal rotation of size, because the existence in this clearance easily leads to the vibration of vibration sources such as conduction loudspeaker between the gear, takes place the abnormal sound of vibration, and customer experience is not good.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a 3D throws adjustable optical assembly of equipment is convenient for adjust the position of adjusting lens, and the regulative mode is simple swift, improves user experience to reach best projection effect.
The utility model provides a technical scheme that its technical problem adopted is: in an adjustable optical assembly for a 3D projection device, the improvement comprising: the device comprises a first fixing frame, a second fixing frame, a prism assembly, an adjusting lens and an adjusting assembly;
the first fixing frame and the second fixing frame are in frame shapes, the prism assembly is fixed in the first fixing frame, the adjusting lens is fixed in the second fixing frame, and the second fixing frame is positioned on one side of the first fixing frame;
the adjusting assembly is arranged on two sides of the first fixing frame and the second fixing frame and comprises an adjusting screw rod, a fixing nut, a connecting block, a sliding rail and a sliding block, wherein one end of the connecting block and the fixing nut are fixed on the side wall of the second fixing frame, the sliding rail is fixed on the side wall of the first fixing frame along the horizontal direction, the sliding block is arranged on the sliding rail in a sliding manner, and the sliding block is fixedly connected with the other end of the connecting block; adjusting screw rotate and install on the lateral wall of first mount, adjusting screw's top has the external screw thread, and adjusting screw's top and fixation nut looks adaptation.
In the structure, the side wall of the first fixing frame is provided with a fixing block protruding outwards, the fixing block is provided with a bearing, and the adjusting screw rod is fixed in a central hole of the bearing.
In the above structure, the first fixing frame includes a first side vertical plate, a second side vertical plate and a frame plate, the first side vertical plate and the second side vertical plate are oppositely disposed, two ends of the frame plate are respectively fixedly connected to the first side vertical plate and the second side vertical plate, and the prism assembly is located between the first side vertical plate and the second side vertical plate.
In the structure, the top of the first side vertical plate and the top of the second side vertical plate are both provided with cover plates, and the cover plates are pressed on two ends of the prism assembly.
In the above structure, the prism assembly is composed of an incident prism, a first refractive prism, a second refractive prism, a third refractive prism, and an emergent prism;
the longitudinal section of the light incidence prism is an obtuse isosceles triangle, the structures of the first refraction prism and the second refraction prism are the same, the longitudinal section of the light incidence prism is an acute triangle, the longitudinal section of the third refraction prism is a right isosceles triangle, and the added angle of the obtuse angle of the light incidence prism, the right angle of the third refraction prism, one acute angle of the first refraction prism and one acute angle of the second refraction prism is 360 degrees;
in the longitudinal section of the third refraction prism, the plane where the bevel edge is located is a first plane, the light-emitting prism is provided with a second plane, and the second plane is tightly attached to the first plane of the third refraction prism.
The utility model has the advantages that: when the position of adjusting lens is adjusted to needs, rotate adjusting screw, because adjusting screw rotates and installs on first mount, its position can not change for fixation nut moves on adjusting screw, drives adjusting lens and keeps away from or be close to prism subassembly, satisfies the projected demand under the different conditions, and the regulation mode is simple swift, improves user experience, in order to reach best projection effect. In the process, due to the matching of the sliding rail and the sliding block, the sliding rail is arranged along the moving direction of the adjusting lens, so that the movement of the adjusting lens is guided, the adjusting lens is prevented from moving in the vertical direction in the moving process, and the adjusting precision is improved.
Drawings
Fig. 1 is a schematic perspective view of an adjustable optical assembly of a 3D commissioning device according to the present invention.
Fig. 2 is an exploded schematic view of the adjustable optical assembly of the 3D commissioning device of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.
Referring to fig. 1 and 2, the present invention discloses an adjustable optical assembly of a 3D projection apparatus, and particularly, the adjustable optical assembly of the 3D projection apparatus includes a first fixing frame 10, a second fixing frame 20, a prism assembly 30, an adjusting lens 40, and an adjusting assembly; the first fixing frame 10 and the second fixing frame 20 are frame-shaped, the prism assembly 30 is fixed in the first fixing frame 10, the adjusting lens 40 is fixed in the second fixing frame 20, and the second fixing frame 20 is positioned at one side of the first fixing frame 10; the adjusting components are arranged on two sides of the first fixing frame 10 and the second fixing frame 20, in this embodiment, a structure of one of the adjusting components is described in detail, the adjusting component includes an adjusting screw 501, a fixing nut 502, a connecting block 503, a sliding rail 504 and a sliding block 505, one end of the connecting block 503 and the fixing nut 502 are both fixed on a side wall of the second fixing frame 20, the sliding rail 504 is fixed on a side wall of the first fixing frame 10 along a horizontal direction, the sliding block 505 is slidably arranged on the sliding rail 504, and the sliding block 505 is fixedly connected with the other end of the connecting block 503; the adjusting screw 501 is rotatably mounted on the side wall of the first fixing frame 10, the top end of the adjusting screw 501 is provided with an external thread, and the top end of the adjusting screw 501 is matched with the fixing nut 502.
With the structure, when the position of the adjusting lens 40 needs to be adjusted, the adjusting screw 501 is rotated, and the position of the adjusting screw 501 is not changed because the adjusting screw 501 is rotatably mounted on the first fixing frame 10, so that the fixing nut 502 moves on the adjusting screw 501 to drive the adjusting lens 40 to be far away from or close to the prism assembly 30, and the requirements of projection under different conditions are met; the adjusting mode is simple and quick, and the user experience is improved, so that the optimal projection effect is achieved. In the process, due to the matching of the sliding rail 504 and the sliding block 505, the sliding rail 504 is arranged along the moving direction of the adjusting lens 40, so that the movement of the adjusting lens 40 is guided, the adjusting lens 40 is prevented from moving in the vertical direction in the moving process, and the adjusting precision is improved.
In the above embodiment, the side wall of the first fixing frame 10 is provided with a fixing block 506 protruding outwards, the fixing block 506 is provided with a bearing, and the adjusting screw 501 is fixed in the central hole of the bearing. In addition, the fixing block 506 is further provided with a plurality of screw holes to facilitate the installation and fixation of the first fixing frame 10.
Further, as shown in fig. 2, the first fixing frame 10 includes a first side vertical plate 101, a second side vertical plate 102 and a frame plate 103, the first side vertical plate 101 and the second side vertical plate 102 are oppositely disposed, two ends of the frame plate 103 are respectively fixedly connected to the first side vertical plate 101 and the second side vertical plate 102, and the prism assembly 30 is located between the first side vertical plate 101 and the second side vertical plate 102; this kind of structure can be changed prism assembly 30, when prism assembly 30 damages, perhaps different projection demands, is convenient for change prism assembly 30. In addition, the top of the first side vertical plate 101 and the top of the second side vertical plate 102 are both provided with a cover plate 104, the cover plates 104 are pressed on two ends of the prism assembly 30, the limit of the prism assembly 30 is realized through the cover plates 104, and the prism assembly 30 is prevented from being separated from the first fixing frame 10.
As shown in fig. 2, for the prism assembly 30, the present invention provides a specific embodiment, the prism assembly 30 is composed of an incident prism 301, a first refractive prism 302, a second refractive prism 303, a third refractive prism 304 and an emergent prism 305; the longitudinal section of the light incidence prism 301 is an obtuse isosceles triangle, the structures of the first refraction prism 302 and the second refraction prism 303 are the same, the longitudinal section is an acute triangle, the longitudinal section of the third refraction prism 304 is a right isosceles triangle, and the angle formed by adding the obtuse angle of the light incidence prism 301, the right angle of the third refraction prism 304, one acute angle of the first refraction prism 302 and one acute angle of the second refraction prism 303 is 360 degrees; in the longitudinal section of the third folding prism 304, the plane where the hypotenuse is located is the first plane, the light-emitting prism 305 has the second plane, and the second plane is closely attached to the first plane of the third folding prism 304. The design of the structure ensures that the gap between the adjacent prisms is small, avoids diffraction, and enlarges the visual angle through the combination of a plurality of prisms.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (5)

1. An adjustable optical assembly for a 3D projection device, characterized by: the device comprises a first fixing frame, a second fixing frame, a prism assembly, an adjusting lens and an adjusting assembly;
the first fixing frame and the second fixing frame are in frame shapes, the prism assembly is fixed in the first fixing frame, the adjusting lens is fixed in the second fixing frame, and the second fixing frame is positioned on one side of the first fixing frame;
the adjusting assembly is arranged on two sides of the first fixing frame and the second fixing frame and comprises an adjusting screw rod, a fixing nut, a connecting block, a sliding rail and a sliding block, wherein one end of the connecting block and the fixing nut are fixed on the side wall of the second fixing frame, the sliding rail is fixed on the side wall of the first fixing frame along the horizontal direction, the sliding block is arranged on the sliding rail in a sliding manner, and the sliding block is fixedly connected with the other end of the connecting block; adjusting screw rotate and install on the lateral wall of first mount, adjusting screw's top has the external screw thread, and adjusting screw's top and fixation nut looks adaptation.
2. An adjustable optical component of a 3D projection device according to claim 1, characterized in that: the lateral wall of the first fixing frame is provided with a fixing block protruding outwards, a bearing is installed on the fixing block, and the adjusting screw rod is fixed in a central hole of the bearing.
3. An adjustable optical component of a 3D projection device according to claim 1, characterized in that: the first fixing frame comprises a first side vertical plate, a second side vertical plate and a frame plate, the first side vertical plate and the second side vertical plate are arranged oppositely, two ends of the frame plate are fixedly connected with the first side vertical plate and the second side vertical plate respectively, and the prism assembly is located between the first side vertical plate and the second side vertical plate.
4. An adjustable optical component of a 3D projection device according to claim 3, characterized in that: and cover plates are arranged at the top of the first side vertical plate and the top of the second side vertical plate and are pressed at two ends of the prism assembly.
5. An adjustable optical component of a 3D projection device according to claim 1, characterized in that: the prism assembly consists of a light-in prism, a first refraction prism, a second refraction prism, a third refraction prism and a light-out prism;
the longitudinal section of the light incidence prism is an obtuse isosceles triangle, the structures of the first refraction prism and the second refraction prism are the same, the longitudinal section of the light incidence prism is an acute triangle, the longitudinal section of the third refraction prism is a right isosceles triangle, and the added angle of the obtuse angle of the light incidence prism, the right angle of the third refraction prism, one acute angle of the first refraction prism and one acute angle of the second refraction prism is 360 degrees;
in the longitudinal section of the third refraction prism, the plane where the bevel edge is located is a first plane, the light-emitting prism is provided with a second plane, and the second plane is tightly attached to the first plane of the third refraction prism.
CN201920885688.4U 2019-06-11 2019-06-11 Adjustable optical assembly of 3D projection equipment Active CN209979912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920885688.4U CN209979912U (en) 2019-06-11 2019-06-11 Adjustable optical assembly of 3D projection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920885688.4U CN209979912U (en) 2019-06-11 2019-06-11 Adjustable optical assembly of 3D projection equipment

Publications (1)

Publication Number Publication Date
CN209979912U true CN209979912U (en) 2020-01-21

Family

ID=69266052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920885688.4U Active CN209979912U (en) 2019-06-11 2019-06-11 Adjustable optical assembly of 3D projection equipment

Country Status (1)

Country Link
CN (1) CN209979912U (en)

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