CN212623270U - Lens adjustable mounting base and projector - Google Patents
Lens adjustable mounting base and projector Download PDFInfo
- Publication number
- CN212623270U CN212623270U CN202020414643.1U CN202020414643U CN212623270U CN 212623270 U CN212623270 U CN 212623270U CN 202020414643 U CN202020414643 U CN 202020414643U CN 212623270 U CN212623270 U CN 212623270U
- Authority
- CN
- China
- Prior art keywords
- adjusting
- lens
- plate
- adjusting plate
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lens Barrels (AREA)
Abstract
The application discloses adjustable mount pad of lens and projector. This adjustable mount pad of lens includes: a first adjusting plate; the second adjusting plate is overlapped with the first adjusting plate; the lens fixing piece is arranged on one side of the second adjusting plate, which is far away from the first adjusting plate, and is used for fixing the lens; the first adjusting assembly is connected between the first adjusting plate and the second adjusting plate and is used for adjusting the relative position between the first adjusting plate and the second adjusting plate along a first adjusting direction perpendicular to the overlapping direction of the second adjusting plate and the first adjusting plate; the second adjusting assembly is connected between the second adjusting plate and the lens holder and is used for adjusting the relative position between the second adjusting plate and the lens holder in a second adjusting direction perpendicular to the folding direction and the first adjusting direction. Through the mode, the adjustable lens mounting base can eliminate the influence of manufacturing errors, mounting errors and the like on the focusing of the lens, and further enables the lens mounted on the adjustable lens mounting base to be accurate in focusing.
Description
Technical Field
The application relates to the technical field of projectors, in particular to a lens adjustable mounting seat and a projector.
Background
The difficulty and the key point of the optical axis technology of the laser projector are the spatial stability and the precision of the optical axis after the optical lens is fixed. Because there are more optical axis parts in the laser projector and machining inevitably brings errors, the accumulation of errors of each part increases the errors. If the relative position of the lens changes due to errors, the stability and precision of the optical axis are insufficient, and the projected images are further spatially displaced and blurred, so that the viewing experience of projection is affected.
SUMMERY OF THE UTILITY MODEL
The application mainly provides an adjustable lens mounting base and a projector, and aims to solve the problem that the lens is inaccurate in focus due to manufacturing errors, mounting errors and the like.
In order to solve the technical problem, the application adopts a technical scheme that: a lens adjustable mount is provided. This adjustable mount pad of lens includes: a first adjusting plate; the second adjusting plate is overlapped with the first adjusting plate; the lens fixing piece is arranged on one side of the second adjusting plate, which is far away from the first adjusting plate, and is used for installing the lens; the first adjusting assembly is connected between the first adjusting plate and the second adjusting plate and is used for adjusting the relative position between the first adjusting plate and the second adjusting plate along a first adjusting direction perpendicular to the overlapping direction of the second adjusting plate and the first adjusting plate; the second adjusting assembly is connected between the second adjusting plate and the lens holder and is used for adjusting the relative position between the second adjusting plate and the lens holder in a second adjusting direction perpendicular to the folding direction and the first adjusting direction.
In some embodiments, the first adjustment plate includes a first main plate body and a first bending portion bending from the first main plate body to a side facing the second adjustment plate, the second adjustment plate includes a second main plate body and a second bending portion bending from the second main plate body to a side far away from the first adjustment plate, wherein the first main plate body and the second main plate body are overlapped with each other, the first bending portion and the second bending portion are opposite to each other, one of the first bending portion and the second bending portion is provided with a first through hole, the other of the first bending portion and the second bending portion is provided with a first threaded hole, and the first adjustment assembly includes a first adjustment screw passing through the first through hole and in threaded fit with the first threaded hole.
In some embodiments, the first adjustment assembly further comprises a first resilient support resiliently supported between the first and second bent portions.
In some embodiments, the lens adjustable mount includes a first elastic pressing member, and the first elastic pressing member is configured to elastically press and hold the second main board on the first main board, wherein an elastic force provided by the first elastic supporting member between the first bending portion and the second bending portion is always greater than a static friction force formed between the first main board and the second main board after the first elastic pressing member elastically presses and holds the second main board on the first main board.
In some embodiments, one of the first main board body and the second main board body is provided with a first guide groove extending along the first adjustment direction, the other of the first main board body and the second main board body is provided with a first guide member, the first guide member is inserted into the first guide groove and forms a guiding fit with the first guide groove, and the first elastic pressing member is connected to the first guide member to elastically press and hold the second main board body to the first main board body.
In some embodiments, the second adjusting plate further includes a third bending portion, the third bending portion is bent from the second main plate body to a side away from the first adjusting plate, wherein the second main plate body and the lens fixing member are overlapped with each other, the third bending portion and the side wall of the lens fixing member are arranged opposite to each other, the side wall of the lens fixing member is provided with a second threaded hole, the third bending portion is provided with a second through hole, and the second adjusting assembly includes a second adjusting screw passing through the second through hole and in threaded fit with the second threaded hole.
In some embodiments, the second adjusting component further comprises a second elastic support elastically supported between the third bending part and the sidewall of the lens holder.
In some embodiments, the lens adjustable mount includes a second elastic pressing member, and the second elastic pressing member is configured to elastically press and hold the lens fixing member on the second main board body, where an elastic force provided by the second elastic supporting member between the third bending portion and the sidewall of the lens fixing member is always greater than a static friction force formed between the lens fixing member and the second main board body after the second elastic pressing member elastically presses and holds the lens fixing member on the second main board body.
In some embodiments, one of the second main plate body and the lens holder is provided with a second guide groove extending along the second adjustment direction, and the other of the second main plate body and the lens holder is provided with a second guide member inserted into the second guide groove and forming a guide fit with the second guide groove, and the second elastic pressing member is connected to the first guide member to elastically press the lens holder onto the second main plate body.
In some embodiments, the bottom side of the lens holder is further provided with a first locking hole, the second main plate body is provided with a second locking hole and a first adjusting hole extending along the second adjusting direction, and the first adjusting plate is provided with a second adjusting hole extending along the first adjusting direction;
after the relative position of the lens fixing piece and the second adjusting plate is adjusted and determined, the first locking hole and the first adjusting hole are locked through a first fastener; after the relative position of the first adjusting plate and the second adjusting plate is adjusted and determined, the second locking hole and the second adjusting hole are locked through a second fastener.
In order to solve the above technical problem, another technical solution adopted by the present application is: a projector is provided. The projector comprises a frame and the lens adjustable mounting seat, wherein the first adjusting plate is detachably mounted on the frame.
The beneficial effect of this application is: in contrast to the prior art, the present application discloses a lens adjustable mount and a projector. By adjusting the relative position between the first adjustment plate and the second adjustment plate in a first adjustment direction using the first adjustment assembly, the lens holder moves in the first adjustment direction along with the second adjustment plate, and adjusting the relative position between the second adjustment plate and the lens holder in a second adjustment direction using a second adjustment assembly, and the first adjusting direction and the second adjusting direction are both vertical to the overlapping direction of the second adjusting plate and the first adjusting plate, the first adjusting direction and the second adjusting direction are vertical to each other, thereby enabling the position of the lens holder relative to the first adjusting plate in a plane perpendicular to the folding direction to be freely adjusted, even if the lens is not accurately focused due to manufacturing errors, installation errors and the like, the influence of the manufacturing errors, the installation errors and the like on the focusing of the lens can be eliminated by adjusting the lens fixing piece, and the focusing of the lens installed on the lens fixing piece is accurate.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts, wherein:
FIG. 1 is a schematic structural diagram of an embodiment of a lens adjustable mount provided herein;
FIG. 2 is an exploded view of the lens adjustable mount of FIG. 1;
FIG. 3 is a schematic view of the first adjustment plate and the second adjustment plate of the adjustable mount for the lens of FIG. 1;
FIG. 4 is a schematic view of the lens adjustable mount of FIG. 1 from another perspective;
FIG. 5 is an exploded view of the lens adjustable mount of FIG. 1 from another perspective;
fig. 6 is a schematic view of a second adjustment plate and a lens holder in the adjustable mount of fig. 1.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
The terms "first", "second" and "third" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a lens adjustable mount 100 provided in the present application.
The lens adjustable mount 100 includes a first adjustment plate 10, a second adjustment plate 20, a lens holder 30, a first adjustment assembly 40, and a second adjustment assembly 50.
Wherein, the second adjusting plate 20 is overlapped with the first adjusting plate 10; the lens fixing member 30 is disposed on a side of the second adjusting plate 20 away from the first adjusting plate 10, and is used for mounting a lens; the first adjusting assembly 40 is connected between the first adjusting plate 10 and the second adjusting plate 20, and serves to adjust a relative position between the first adjusting plate 10 and the second adjusting plate 20 in a first adjusting direction perpendicular to a direction in which the second adjusting plate 20 overlaps the first adjusting plate 10; the second adjusting assembly 50 is coupled between the second adjusting plate 20 and the lens holder 30, and serves to adjust a relative position between the second adjusting plate 20 and the lens holder 30 in a second adjusting direction perpendicular to the folding direction and the first adjusting direction.
When the relative position between the first adjusting plate 10 and the second adjusting plate 20 is adjusted in the first adjusting direction, the lens fixing member 30 moves along with the second adjusting plate 20 in the first adjusting direction, and thus the relative position between the lens fixing member 30 and the first adjusting plate 10 in the first adjusting direction can be adjusted; adjusting the relative position between the second adjustment plate 20 and the lens holder 30 in a second adjustment direction while the relative position between the first adjustment plate 10 and the second adjustment plate 20 remains unchanged, thereby relatively adjusting the relative position between the lens holder 30 and the first adjustment plate 10 in the second adjustment direction; and the first adjusting direction and the second adjusting direction are perpendicular to the overlapping direction of the second adjusting plate 20 and the first adjusting plate 10 and the first adjusting direction and the second adjusting direction are perpendicular to each other, so that the free adjustment of the relative position of the lens holder 30 to the first adjusting plate 10 in a plane perpendicular to the overlapping direction can be achieved, and the lens is fixed to the lens holder 30 so that the position of the lens in a plane perpendicular to the overlapping direction can be adjusted.
In this application, the coincide direction is the same with the optical axis direction of lens, and first regulating plate 10 still is used for installing in the camera lens position department of equipment such as projector, therefore when the lens is got burnt inaccurate, can be in the plane of perpendicular to coincide direction the position of regulation lens mounting 30, make the lens that is fixed in on lens mounting 30 get burnt accurately, the adjustable position of lens is favorable to solving because the manufacturing error, the problem that the lens that installation error etc. lead to gets burnt inaccurate, and be favorable to reducing the installation degree of difficulty between complete machine equipment such as lens and projector, projector.
Specifically, as shown in fig. 2, the lens holder 30 is provided with a through hole 31, and the through hole 31 is used for accommodating and installing a lens; the first regulating plate 10 is provided with a first avoiding opening 11, the second regulating plate 20 is provided with a second avoiding opening 21, the first regulating plate 10, the second regulating plate 20 and the lens fixing member 30 are sequentially overlapped, and the first avoiding opening 11, the second avoiding opening 21 and the through hole 31 are sequentially and relatively arranged. Even if the relative position between the first adjusting plate 10 and the second adjusting plate 20 is adjusted in the first adjusting direction and the relative position between the second adjusting plate 20 and the lens holder 30 is adjusted in the second adjusting direction, it does not cause the first adjusting plate 10 and the second adjusting plate 20 to block the optical path transmission of the lenses mounted at the through-holes 31.
The embodiment of the application adjusts the relative position between the first adjusting plate 10 and the second adjusting plate 20 along the first adjusting direction by adopting the first adjusting component 40, and adjusts the relative position between the second adjusting plate 20 and the lens fixing member 30 along the second adjusting direction by adopting the second adjusting component 50, and the first adjusting direction and the second adjusting direction are both perpendicular to the overlapping direction of the second adjusting plate 20 and the first adjusting plate 10, and the first adjusting direction and the second adjusting direction are perpendicular to each other, so that the position of the lens fixing member 30 relative to the first adjusting plate 10 in the plane perpendicular to the overlapping direction can be freely adjusted, the problem that the lens is not focused accurately due to manufacturing errors, installation errors and the like is favorably solved, and the installation difficulty between the lens and complete equipment such as a projector and the like is favorably reduced.
As shown in fig. 2 and 3, the first adjusting plate 10 includes a first main plate 12 and a first bending portion 14 bending from the first main plate 12 toward one side of the second adjusting plate 20, the second adjusting plate 20 includes a second main plate 22 and a second bending portion 24 bending from the second main plate 22 toward one side away from the first adjusting plate 10, wherein the first main plate 12 and the second main plate 22 are disposed in an overlapping manner, the first bending portion 14 and the second bending portion 24 are disposed opposite to each other, one of the first bending portion 14 and the second bending portion 24 is provided with a first through hole 140, the other of the first bending portion 14 and the second bending portion 24 is provided with a first threaded hole 240, the first adjusting assembly 40 includes a first adjusting screw 41 passing through the first through hole 140 and threadedly engaged with the first threaded hole 240, so as to adjust the screwing length of the first adjusting screw 41 and the first threaded hole 240, the relative position between the second adjusting plate 20 and the first adjusting plate 10 is adjusted in the first adjusting direction.
In this embodiment, the first bending portion 14 is provided with a first through hole 140, and the second bending portion 24 is provided with a first threaded hole 240. The first adjustment assembly 40 further includes a first resilient support 43 resiliently supported between the first bent portion 14 and the second bent portion 24. For example, two first elastic supporting members 43 are disposed on two sides of the first adjusting screw 41 and elastically supported between the first bending portion 14 and the second bending portion 24. The first elastic supporting member 43 provides a pre-tightening force between the first bent portion 14 and the second bent portion 24, so that the end of the first adjusting screw 41, which is not connected to the first threaded hole 240, is initially stopped on the first bent portion 14, and the relative position between the second adjusting plate 20 and the first adjusting plate 10 is adjusted along the first adjusting direction in cooperation with the first adjusting screw 41.
Specifically, the first elastic supporting element 43 is a compressed spring, and spring positioning pins are installed on the first bending portion 14 and the second bending portion 24, and two ends of the compressed spring are respectively sleeved on the spring positioning pins of the first bending portion 14 and the second bending portion 24. When the first adjusting screw 41 rotates to adjust the elongation, the pretightening force provided by the pressure spring is matched with the first adjusting screw 41 to push the second adjusting plate 20 to move along the first adjusting direction relative to the first adjusting plate 10; when the first adjusting screw 41 is rotated, adjusted and shortened, the pretightening force provided by the compression spring is matched with the first adjusting screw 41, so that the second adjusting plate 20 moves in the direction opposite to the first adjusting direction relative to the first adjusting plate 10.
In another embodiment, a first elastic supporting member 43 is disposed on the first adjusting screw 41 and elastically supported between the first bending portion 14 and the second bending portion 24, and the first elastic supporting member 43 can also cooperate with the first adjusting screw 41 to adjust the relative position between the second adjusting plate 20 and the first adjusting plate 10 along the first adjusting direction.
In other embodiments, the first elastic supporting element 43 may not be provided, the first adjusting screw 41 passes through the first through hole 140, and the first adjusting screw 41 is rotatably connected to the first through hole 140, that is, the first adjusting screw 41 can rotate relative to the first through hole 140, but cannot move along the axial direction of the first through hole 140 relative to the first through hole 140, so that the purpose of adjusting the relative position between the second adjusting plate 20 and the first adjusting plate 10 along the first adjusting direction can be achieved by adjusting the screwing length of the first adjusting screw 41 and the first threaded hole 240 by rotating the first adjusting screw 41.
As shown in fig. 4, the lens adjustable mount 100 includes a first elastic pressing member 45, the first elastic pressing member 45 is used for elastically pressing and holding the second main plate 22 on the first main plate 12, wherein the elastic force provided by the first elastic supporting member 43 between the first bending portion 14 and the second bending portion 24 is always greater than the static friction force formed between the first main plate 12 and the second main plate 22 after the first elastic pressing member 45 elastically presses and holds the second main plate 22 on the first main plate 12, so as to adjust the relative position between the second adjusting plate 20 and the first adjusting plate 10 while ensuring that the second main plate 22 is always pressed and held on the first main plate 12.
That is, the first elastic pressing member 45 is used to elastically press and hold the second main board 22 on the first main board 12 all the time, so that the connection relationship between the second main board 22 and the first main board 12 can be ensured, and the relative position between the second main board 22 and the first main board 12 can be adjusted.
As shown in fig. 5, one of the first main board body 12 and the second main board body 22 is provided with a first guide groove 120 extending along the first adjustment direction, the other of the first main board body 12 and the second main board body 22 is provided with a first guide member 220, the first guide member 220 is inserted into the first guide groove 120 and forms a guiding fit with the first guide groove 120, and the first elastic pressing member 45 is connected to the first guide member 220 to elastically press and hold the second main board body 22 to the first main board body 12.
As shown in fig. 4 and 5, in the present embodiment, the first main board 12 is provided with a first guide groove 120 extending along the first adjustment direction, the second main board 22 is fixedly connected with a first guide member 220, the first guide groove 120 is a kidney-shaped hole, the first guide member 220 is a guide post, the guide post is in precise guiding fit with the kidney-shaped hole, and the first guide member 220 slides in the first guide groove 120 along the first adjustment direction. The first elastic pressing member 45 includes a first gasket, a second gasket, a spring and a screw, the screw is connected to the first guiding member 220, the first gasket, the second gasket and the spring are all sleeved on the first guiding member 220, and the spring is elastically supported between the first gasket and the second gasket, so that the first gasket always abuts against the first main board body 12, the second gasket abuts against a nut of the screw, an elastic pad can be further added between the second gasket and the nut of the screw, further, the second main board body 22 can be always elastically pressed on the first main board body 12 by the elastic force between the first main board body 12 and the screw, meanwhile, the elastic force of the first elastic support is always greater than the static friction force between the first main board body 12 and the second main board body 22, and further, the second main board body 22 drives the first guiding member 220 to be guided and adjusted along the first guiding groove 120.
A set of first guide grooves 120, first guide members 220 and first elastic pressing members 45 are disposed on two opposite corners of the first main board body 12 and the second main board body 22, so as to increase the connection stability between the first main board body 12 and the second main board body 22.
As shown in fig. 2 and 6, the second adjusting plate 20 further includes a third bent portion 26, the third bent portion 26 is bent from the second main plate 22 to a side away from the first adjusting plate 10, and the side of the second main board 22 where the third bent portion 26 is located is adjacent to the side of the second bent portion 24, wherein the second main board body 22 and the lens fixing member 30 are disposed in an overlapped manner, the third bending portion 26 and the side wall of the lens fixing member 30 are disposed opposite to each other, the side wall of the lens fixing member 30 is provided with a second threaded hole 32, the third bending portion 26 is provided with a second through hole 260, the second adjusting assembly 50 comprises a second adjusting screw 51 passing through the second through hole 260 and in threaded engagement with the second threaded hole 32, further, the relative position between the second adjusting plate 20 and the lens fixing member 30 can be adjusted along the second adjusting direction by adjusting the screwing length of the second adjusting screw 51 and the second threaded hole 32.
In this embodiment, the second adjusting assembly 50 further includes a second elastic supporting member 53 elastically supported between the third bending portion 26 and the sidewall of the lens holder 30. For example, two second elastic supporting members 53 are disposed at two sides of the second adjusting screw 51 and elastically supported between the third bending portion 26 and the sidewall of the lens holder 30. The two second elastic supporting members 53 provide a pre-tightening force between the third bending portion 26 and the sidewall of the lens holder 30, so that the end of the second adjusting screw 51 not connected to the second threaded hole 32 is stopped at the third bending portion 26, and the second adjusting screw 51 is engaged to adjust the relative position between the second adjusting plate 20 and the lens holder 30 along the second adjusting direction.
Specifically, the first elastic supporting member 43 is a pressure spring, the side wall of the lens fixing member 30 is provided with a positioning hole, the third bending portion 26 is provided with a spring positioning pin, and two ends of the pressure spring are respectively located in the positioning hole and sleeved on the spring positioning pin. The compression spring provides elastic pre-tightening force to match the screwing length of the second adjusting screw 51 and the second threaded hole 32, and adjusts the relative position between the second adjusting plate 20 and the lens fixing member 30 along the second adjusting direction.
The lens adjustable mount 100 includes a second elastic pressing member 55, the second elastic pressing member 55 is used for elastically pressing and holding the lens fixing member 30 on the second main board 22, wherein the elastic force provided by the second elastic supporting member 53 between the third bending portion 26 and the sidewall of the lens fixing member 30 is always greater than the static friction force formed between the lens fixing member 30 and the second main board 22 after the lens fixing member 30 is elastically pressed and held on the second main board 22 by the second elastic pressing member 55, so as to ensure that the lens fixing member 30 is always pressed and held on the second main board 22, and the relative position between the second adjusting plate 20 and the lens fixing member 30 can be adjusted.
That is, the lens fixing element 30 is always elastically pressed and held on the second main board 22 by the second elastic pressing element 55, so that the connection relationship between the second main board 22 and the lens fixing element 30 can be ensured, and the relative position between the second main board 22 and the lens fixing element 30 can be adjusted.
As shown in fig. 5 and 6, one of the second main plate body 22 and the lens holder 30 is provided with a second guide groove 221 extending in the second adjustment direction, the other of the second main plate body 22 and the lens holder 30 is provided with a second guide member 33, the second guide member 33 is inserted into the second guide groove 221 and forms a guide fit with the second guide groove 221, and the second elastic pressing member 55 is connected to the second guide member 33 to elastically press the lens holder 30 against the second main plate body 22.
In this embodiment, the second main board 22 is provided with a second guide groove 221 extending along the second adjustment direction, the lens fixing element 30 is provided with a second guide member 33, the second guide groove 221 is a kidney-shaped hole, the second guide member 33 is a guide post, the guide post is precisely guided and matched with the kidney-shaped hole, and the second guide member 33 slides in the second guide groove 221 along the second adjustment direction. The structure of the second elastic pressing member 55 is similar to that of the first elastic pressing member 45, and the structure of the second elastic pressing member 55 and the connection relationship between the second elastic pressing member 55 and each component are not described again.
A set of second guide grooves 221, second guide members 33 and second elastic pressing members 55 are provided on both opposite corners of the lens holder 30 and the second main plate body 22 to increase the stability of the connection between the lens holder 30 and the second main plate body 22.
As shown in fig. 5, the lens holder 30 is further provided at a bottom side thereof with a first locking hole 34, and the second main plate body 22 is provided with a first adjusting hole 223 extending in the second adjusting direction. Wherein the first locking hole 34 and the first adjusting hole 223 are locked by the first fastening member after the relative position adjustment of the lens holder 30 and the second adjusting plate 20 is determined.
The second adjusting plate 20 is further provided with a second locking hole 224, and the first adjusting plate 10 is provided with a second adjusting hole 122 extending along the first adjusting direction. Wherein, after the relative position adjustment of the first adjusting plate 10 and the second adjusting plate 20 is determined, the second locking hole 224 and the second adjusting hole 122 are locked by the second fastener.
In this embodiment, the first adjusting hole 223 and the second adjusting hole 122 are both kidney-shaped holes.
As shown in fig. 5 and 6, the second adjusting plate 20 further includes an inserting portion 27 bent from the second main plate body 22 toward one side of the first adjusting plate 10, the inserting portion 27 is provided with a second locking hole 224, the first main plate body 12 is provided with an inserting opening 124, the inserting portion 27 is inserted into the inserting opening 124, and the inserting portion 27 is movable in the inserting opening 124 along the first adjusting direction. The first adjusting plate 10 further includes a fourth bending portion 16 bent from the first main plate 12 to a side away from the second adjusting plate 20, the insertion portion 27 and the fourth bending portion 16 are disposed opposite to each other, and the fourth bending portion 16 is provided with a second adjusting hole 122 extending along the first adjusting direction. After the relative positional adjustment of the first adjusting plate 10 and the second adjusting plate 20 is determined, the second locking hole 224 is locked with the second adjusting hole 122 by the second fastener.
A hanging lug 17 is connected to a side of the first main plate 12 opposite to the fourth bent portion 16, and both the hanging lug 17 and the fourth bent portion 16 are provided with a mounting hole 170, and the mounting hole 170 is used for connecting to a lens position of a projector, or other equipment.
As shown in fig. 2 and fig. 6, the lens adjustable mounting seat further includes a pressing sheet 35, the lens fixing member 30 is provided with a mounting groove 36, the mounting groove 36 is used for mounting the lens, the pressing sheet 35 is connected with the lens fixing member 30 and presses and fixes the lens in the mounting groove 36, for example, the pressing sheet 35 can be fixed to the lens fixing member 30 by a fastener, so as to reduce the difficulty in mounting and dismounting the lens and the lens fixing member 30, and improve the efficiency in mounting and dismounting the lens and the lens fixing member 30.
The present application further provides a projector comprising a frame and the lens adjustable mount 100 as described above, wherein the first adjusting plate 10 is detachably mounted on the frame.
By adjusting the relative position between the first adjustment plate and the second adjustment plate in a first adjustment direction using the first adjustment assembly, the lens holder moves in the first adjustment direction along with the second adjustment plate, and adjusting the relative position between the second adjustment plate and the lens holder in a second adjustment direction using a second adjustment assembly, and the first adjusting direction and the second adjusting direction are both vertical to the overlapping direction of the second adjusting plate and the first adjusting plate, the first adjusting direction and the second adjusting direction are vertical to each other, thereby enabling the position of the lens holder relative to the first adjusting plate in a plane perpendicular to the folding direction to be freely adjusted, even if the lens is not accurately focused due to manufacturing errors, installation errors and the like, the influence of the manufacturing errors, the installation errors and the like on the focusing of the lens can be eliminated by adjusting the lens fixing piece, and the focusing of the lens installed on the lens fixing piece is accurate.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (11)
1. A lens adjustable mount, comprising:
a first adjusting plate;
the second adjusting plate is overlapped with the first adjusting plate;
the lens fixing piece is arranged on one side, away from the first adjusting plate, of the second adjusting plate and used for installing a lens;
a first adjusting assembly connected between the first adjusting plate and the second adjusting plate and for adjusting a relative position between the first adjusting plate and the second adjusting plate in a first adjusting direction perpendicular to a direction of superposition of the second adjusting plate and the first adjusting plate;
a second adjusting assembly connected between the second adjusting plate and the lens holder and for adjusting a relative position between the second adjusting plate and the lens holder in a second adjusting direction perpendicular to the folding direction and the first adjusting direction.
2. The adjustable lens mount of claim 1, wherein the first adjustment plate includes a first main plate body and a first bending portion that bends from the first main plate body toward a side toward the second adjustment plate, the second adjusting plate comprises a second main plate body and a second bending part which is bent from the second main plate body to one side far away from the first adjusting plate, wherein the first main board body and the second main board body are overlapped with each other, and the first bending part and the second bending part are arranged opposite to each other, one of the first bending part and the second bending part is provided with a first through hole, the other one of the first bending part and the second bending part is provided with a first threaded hole, the first adjusting component comprises a first adjusting screw rod which penetrates through the first through hole and is in threaded fit with the first threaded hole.
3. The adjustable lens mount of claim 2, wherein the first adjustment assembly further comprises a first resilient support member resiliently supported between the first and second bent portions.
4. The lens adjustable mounting base of claim 2, wherein the lens adjustable mounting base includes a first elastic pressing member, the first elastic pressing member is configured to elastically press and hold the second main board body on the first main board body, and an elastic force provided by the first elastic supporting member between the first bending portion and the second bending portion is always greater than a static friction force formed between the first main board body and the second main board body after the first elastic pressing member elastically presses and holds the second main board body on the first main board body.
5. The adjustable lens mount of claim 4, wherein one of the first main plate and the second main plate has a first guide groove extending along the first adjusting direction, and the other of the first main plate and the second main plate has a first guide member inserted into the first guide groove and forming a guiding fit with the first guide groove, the first elastic pressing member being connected to the first guide member to elastically press the second main plate against the first main plate.
6. The adjustable lens mount of claim 5, wherein the second adjusting plate further comprises a third bending portion, the third bending portion is bent from the second main plate to a side away from the first adjusting plate, wherein the second main plate and the lens holder are stacked, the third bending portion and the sidewall of the lens holder are opposite to each other, the sidewall of the lens holder is provided with a second threaded hole, the third bending portion is provided with a second through hole, and the second adjusting assembly comprises a second adjusting screw passing through the second through hole and threadedly engaged with the second threaded hole.
7. The lens adjustable mount of claim 6, wherein the second adjustment assembly further comprises a second elastic support elastically supported between the third bending portion and the sidewall of the lens holder.
8. The lens adjustable mounting base of claim 6, wherein the lens adjustable mounting base includes a second elastic pressing member, the second elastic pressing member is used for elastically pressing and holding the lens fixing member on the second main board body, wherein an elastic force provided by the second elastic supporting member between the third bending portion and the sidewall of the lens fixing member is always greater than a static friction force formed between the lens fixing member and the second main board body after the lens fixing member is elastically pressed and held on the second main board body by the second elastic pressing member.
9. The lens adjustable mount of claim 8, wherein one of the second main plate body and the lens holder is provided with a second guide groove extending along the second adjustment direction, and the other of the second main plate body and the lens holder is provided with a second guide member, the second guide member being inserted into the second guide groove and forming a guiding fit with the second guide groove, and the second elastic pressing member being connected to the first guide member to elastically press the lens holder against the second main plate body.
10. The adjustable lens mount of claim 2, wherein the lens holder further has a first locking hole on a bottom side thereof, the second main plate has a second locking hole and a first adjusting hole extending along the second adjusting direction, and the first adjusting plate has a second adjusting hole extending along the first adjusting direction;
after the relative position of the lens fixing piece and the second adjusting plate is adjusted and determined, the first locking hole and the first adjusting hole are locked through a first fastener; after the relative position of the first adjusting plate and the second adjusting plate is adjusted and determined, the second locking hole and the second adjusting hole are locked through a second fastener.
11. A projector comprising a frame and a lens adjustable mount as claimed in any one of claims 1 to 10, wherein the lens adjustable mount is removably mounted to the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020414643.1U CN212623270U (en) | 2020-03-26 | 2020-03-26 | Lens adjustable mounting base and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020414643.1U CN212623270U (en) | 2020-03-26 | 2020-03-26 | Lens adjustable mounting base and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212623270U true CN212623270U (en) | 2021-02-26 |
Family
ID=74708996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020414643.1U Active CN212623270U (en) | 2020-03-26 | 2020-03-26 | Lens adjustable mounting base and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212623270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624825A (en) * | 2023-07-25 | 2023-08-22 | 常州星宇车灯股份有限公司 | Three-direction adjustable fixing structure |
-
2020
- 2020-03-26 CN CN202020414643.1U patent/CN212623270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624825A (en) * | 2023-07-25 | 2023-08-22 | 常州星宇车灯股份有限公司 | Three-direction adjustable fixing structure |
| CN116624825B (en) * | 2023-07-25 | 2023-09-26 | 常州星宇车灯股份有限公司 | Three-direction adjustable fixing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210924164U (en) | Lens adjusting device and projection equipment | |
| CN212623270U (en) | Lens adjustable mounting base and projector | |
| CN117233913A (en) | Optical element adjusting assembly, light emitting module and projection equipment | |
| CN110174740B (en) | Lens assembly | |
| WO2020243855A1 (en) | Lens assembly | |
| US7652819B2 (en) | Projection-type image display apparatus | |
| US11635716B2 (en) | Device including rotator and belt, such as a fixing unit for an image forming apparatus | |
| US20110013296A1 (en) | Optical device and optical instrument | |
| CN110012275B (en) | Bidirectional lens adjusting module and projector using same | |
| CN213182288U (en) | Light path adjusting structure and projection equipment | |
| CN211348974U (en) | Color wheel adjusting component and optical device | |
| JP2003057031A (en) | Floodlight projector unit of semiconductor laser | |
| CN112114474A (en) | Light path adjusting structure and projection equipment | |
| CN210518528U (en) | Lens adjusting mechanism | |
| EP1804499A1 (en) | Rear projection display apparatus | |
| TW202238028A (en) | Rotating mechanism and rotating capturing structure | |
| CN219609319U (en) | Adjusting device for adjusting lens movement position | |
| US8564734B2 (en) | Resilient engaging member and liquid crystal display module having the same | |
| CN108803206B (en) | Lens adjusting mechanism | |
| CN113109985B (en) | Lens adjusting device and projector | |
| CN217767000U (en) | Frame of lens driving mechanism and lens driving mechanism | |
| US20090282673A1 (en) | Device for locking lens | |
| CN115981077A (en) | Adjustable optical module | |
| CN115951546A (en) | Adjustable optical module | |
| CN220983706U (en) | Double compound eye optical structure and projection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |