CN215494511U - Projector lens adjusting device based on photosensitive resistor - Google Patents
Projector lens adjusting device based on photosensitive resistor Download PDFInfo
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- CN215494511U CN215494511U CN202121533168.0U CN202121533168U CN215494511U CN 215494511 U CN215494511 U CN 215494511U CN 202121533168 U CN202121533168 U CN 202121533168U CN 215494511 U CN215494511 U CN 215494511U
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Abstract
The utility model discloses a projector lens adjusting device based on a photoresistor, which comprises a lens body, wherein the lens body comprises an adjusting mechanism for adjusting the length of a lens, an adjusting sleeve for hiding the lens and adjusting the length of a first stage is arranged on one side of the adjusting mechanism, and an adjusting lens for adjusting the length of a second stage and projection imaging is arranged on the inner side of the adjusting sleeve.
Description
Technical Field
The utility model relates to the technical field of projectors, in particular to a projector lens adjusting device based on a photoresistor.
Background
The output device is a terminal device of a computer hardware system, and is used for receiving output display, printing, sound of computer data, controlling peripheral device operation and the like. Various calculation result data or information are also expressed in the form of numbers, characters, images, sounds, and the like. A common output device includes a projector, which is also called a projector, and is a device that can project images or videos onto a curtain, and can be connected to a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places, and have different types such as CRT, LCD and DLP according to different working modes.
The projecting apparatus is in order to prevent to take place the shake when formation of image, generally carries out fixed mounting with the projecting apparatus base with placing the mesa, and fixed good projecting apparatus can't remove at will, and when formation of image, the distance of projecting apparatus and imaging surface is exactly certain, because the projected picture of formation of image is different, and the picture size that the projection came out also can be different, but the fixed back of present projecting apparatus can't remove, the unable problem of adjusting of projection picture size will appear. For this reason, we propose a photoresistor-based projector lens adjustment device.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a device for adjusting a lens of a projector based on a photo resistor, so as to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme: projecting apparatus camera lens adjusting device based on photo resistance, including the camera lens body, the camera lens body is including the adjustment mechanism who is used for camera lens length adjustment, adjustment mechanism one side is equipped with the adjustment sleeve that is used for hiding camera lens and first stage length regulation, the adjustment sleeve inboard is equipped with the adjusting lens who is used for second stage to adjust and projection formation of image.
Preferably, the adjusting mechanism comprises a fixing plate arranged inside the projector, a bearing is arranged at one end of the fixing plate, an adjusting screw rod used for rotating is arranged inside the bearing, an adjusting wheel is arranged on the outer side of one end, penetrating through the bearing, of the adjusting screw rod, the adjusting wheel is used for adjusting the rotation of the adjusting screw rod, and a guide pillar is arranged on one side of the other end of the fixing plate.
Preferably, the fixing plate comprises a wire passing hole formed in the middle, the wire passing hole penetrates through the fixing plate and is used for a data transmission line to pass through, a penetrating placing hole is formed in one side of one end of the fixing plate, and a bearing is placed in the placing hole.
Preferably, the adjusting sleeve comprises a hidden sleeve connected to one side of the adjusting mechanism, an external stop dog is arranged on the outer side of one end of the hidden sleeve, an internal stop dog is arranged on the inner side of the same end of the hidden sleeve, two symmetrical via holes are formed in one side of the internal stop dog, one of the via holes is used for the adjusting screw to pass through, and the other via hole is used for the guide pillar to pass through.
Preferably, the adjusting lens comprises an imaging head connected to the inner side of the hidden sleeve, an end stop block is arranged on the outer side of one end of the imaging head, a threaded hole and a guide hole are formed in the other end of the imaging head, the threaded hole and the guide hole are symmetrically distributed, and the threaded hole and the guide hole correspond to the through hole in the adjusting sleeve one to one.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model sets the adjusting lens on the projector lens body to project the picture on the screen, sets the adjusting sleeve outside the adjusting lens to hide the adjusting lens and adjust the distance between the lens and the projection screen, sets the adjusting mechanism at one end of the adjusting sleeve to adjust the distance between the adjusting sleeve and the adjusting lens and the projection screen, and solves the problem that the size of the projection picture of the existing projector is not convenient to adjust through the matching of the structures.
2. The adjusting mechanism drives the adjusting screw rod to adjust the adjusting sleeve and the adjusting lens through the adjusting wheel on the adjusting mechanism through the bearing, the length of the first stage is adjusted through the limit of the external stop block, and the adjusting lens can be pushed against the adjusting sleeve to be retracted into the projector when the adjusting lens is retracted and hidden through the internal stop block and the end stop block.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an adjustment mechanism according to the present invention;
FIG. 3 is a schematic view of a fixing plate according to the present invention;
FIG. 4 is a schematic view of an adjusting sleeve according to the present invention;
FIG. 5 is a schematic view of an adjusting lens structure according to the present invention.
In the figure: 1-a lens body; 2-an adjustment mechanism; 3-adjusting sleeve; 4-adjusting the lens; 21-fixing the plate; 22-a bearing; 23-adjusting the screw; 24-a regulating wheel; 25-guide pillars; 211-a wire through hole; 212-placing holes; 31-a hidden sleeve; 32-an external stop; 33-internal stops; 34-a via hole; 41-an imaging head; 42-end stop; 43-a threaded hole; 44-guide hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the projector lens adjusting device based on the photoresistor is used for projecting pictures on a curtain by arranging an adjusting lens 4 on a projector lens body 1, an adjusting sleeve 3 is arranged outside the adjusting lens 4 and is used for hiding the adjusting lens 4 and adjusting the distance of the lens, one end of the adjusting sleeve 3 is provided with an adjusting mechanism 2 which is used for adjusting the distance between the adjusting sleeve 3 and the adjusting lens 4 and the projection screen, the adjusting wheel 24 on the adjusting mechanism 2 drives the adjusting screw 23 through the bearing 22 to adjust the adjusting sleeve 3 and the adjusting lens 4, the length adjustment of the first stage is carried out through the limit of the external stopper 32, the adjusting lens 4 can be retracted into the projector against the adjusting sleeve 3 through the internal stopper 33 and the end stopper 42 when being retracted and hidden, through the cooperation of the structures, the problem that the size of a projection picture of the existing projector is inconvenient to adjust is solved.
The projector lens adjusting device comprises a lens body 1, wherein the lens body 1 comprises an adjusting mechanism 2 used for adjusting the length of a lens, an adjusting sleeve 3 used for adjusting the length of a hidden lens and the length of a first stage is connected to one side of the adjusting mechanism 2, and an adjusting lens 4 used for adjusting the length of a second stage and projecting and imaging is connected to the inner side of the adjusting sleeve 3.
The adjusting sleeve 3 comprises a hidden sleeve 31 connected to one side of the adjusting mechanism 2, an external stop 32 is connected to the outer side of one end of the hidden sleeve 31, an internal stop 33 is connected to the inner side of the same end of the hidden sleeve 31, two symmetrical via holes 34 are formed in one side of the internal stop 33, one via hole 34 is used for the adjusting screw 23 to pass through, the other via hole 34 is used for the guide pillar 25 to pass through, and the external stop 32 is used for limiting the length of the adjusting sleeve 3 during length adjustment so that the adjusting lens 4 can be continuously adjusted.
The adjusting lens 4 comprises an imaging head 41 which is slidably connected inside the hidden sleeve 31, an end stop 42 is connected to the outer side of one end of the imaging head 41, a threaded hole 43 and a guide hole 44 are formed in the other end of the imaging head 41, the threaded hole 43 and the guide hole 44 correspond to the via holes 34 one by one, the inner portion of the threaded hole 43 is connected to the outer side of the adjusting screw 23, and the inner portion of the guide hole 44 is connected to the guide post 25.
The working principle is as follows: the adjusting wheel 24 is rotated, the adjusting wheel 24 drives the adjusting screw 23 to rotate through the bearing 22, when the adjusting screw 23 rotates, the adjusting lens 4 and the adjusting sleeve 3 are driven to move outside the guide post 25 through the threaded hole 43, when the lens moves to a certain distance, the external stop 32 at the outer side of one end of the adjusting sleeve 3 stops through the passage opening in the projector, the position of the adjusting sleeve 3 is fixed, then the adjusting wheel 24 is rotated, the adjusting lens 4 continues to move, when the adjusting lens is moved to a proper position, the adjusting lens stops rotating to perform imaging work, when the adjusting lens needs to be folded, the adjusting wheel 24 is rotated reversely to drive the adjusting lens 4 to move back, when the end stop 42 at the outer side of one end of the adjusting lens 4 touches one end of the hidden sleeve 31 and the other end of the adjusting sleeve 3 touches the inner stop 33 at the inner side of the other end of the hidden sleeve 31, the adjusting wheel 24 is continuously rotated, and the adjusting lens 4 continuously moves back against the adjusting sleeve 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Projecting apparatus camera lens adjusting device based on photo resistance, including camera lens body (1), its characterized in that: the lens body (1) comprises an adjusting mechanism (2) for adjusting the length of the lens, an adjusting sleeve (3) for adjusting the length of a hidden lens and the length of a first stage is arranged on one side of the adjusting mechanism (2), and an adjusting lens (4) for adjusting the length of a second stage and projecting and imaging is arranged on the inner side of the adjusting sleeve (3).
2. The photo-resistor based projector lens adjustment apparatus of claim 1, wherein: the adjusting mechanism (2) comprises a fixing plate (21) arranged inside the projector, a bearing (22) is arranged at one end of the fixing plate (21), an adjusting screw (23) used for rotating is arranged inside the bearing (22), an adjusting wheel (24) is arranged on the outer side of one end, penetrating through the bearing (22), of the adjusting screw (23), the adjusting wheel (24) is used for rotating and adjusting the adjusting screw (23), and a guide pillar (25) is arranged on one side of the other end of the fixing plate (21).
3. The photo-resistor based projector lens adjustment apparatus of claim 2, wherein: the fixing plate (21) comprises a wire passing hole (211) formed in the middle, the wire passing hole (211) penetrates through the fixing plate (21) and is used for a data transmission line to pass through, a penetrating placing hole (212) is formed in one side of one end of the fixing plate (21), and a bearing (22) is placed in the placing hole (212).
4. The photo-resistor based projector lens adjustment apparatus of claim 1, wherein: the adjusting sleeve (3) comprises a hidden sleeve (31) connected to one side of the adjusting mechanism (2), an external stop block (32) is arranged on the outer side of one end of the hidden sleeve (31), an internal stop block (33) is arranged on the inner side of the same end of the hidden sleeve (31), two symmetrical through holes (34) are formed in one side of the internal stop block (33), one of the through holes (34) is used for the adjusting screw rod (23) to penetrate, and the other through hole (34) is used for the guide pillar (25) to penetrate.
5. The photo-resistor based projector lens adjustment apparatus of claim 1, wherein: adjusting lens (4) including connecting at imaging head (41) of hiding cover (31) inboard, imaging head (41) one end outside is equipped with tip dog (42), threaded hole (43) and guiding hole (44) have been seted up to imaging head (41) other end, threaded hole (43) and guiding hole (44) symmetric distribution, threaded hole (43) and guiding hole (44) are with via hole (34) one-to-one on adjusting sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121533168.0U CN215494511U (en) | 2021-07-06 | 2021-07-06 | Projector lens adjusting device based on photosensitive resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121533168.0U CN215494511U (en) | 2021-07-06 | 2021-07-06 | Projector lens adjusting device based on photosensitive resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215494511U true CN215494511U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121533168.0U Active CN215494511U (en) | 2021-07-06 | 2021-07-06 | Projector lens adjusting device based on photosensitive resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215494511U (en) |
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2021
- 2021-07-06 CN CN202121533168.0U patent/CN215494511U/en active Active
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