CN220105502U - Projector lens adjusting device, projector lens adjusting system and projector - Google Patents
Projector lens adjusting device, projector lens adjusting system and projector Download PDFInfo
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- CN220105502U CN220105502U CN202321725299.8U CN202321725299U CN220105502U CN 220105502 U CN220105502 U CN 220105502U CN 202321725299 U CN202321725299 U CN 202321725299U CN 220105502 U CN220105502 U CN 220105502U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 114
- 238000003825 pressing Methods 0.000 claims description 36
- 238000005452 bending Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model relates to a projector lens adjusting device, a projector lens adjusting system and a projector. The projector lens adjusting device comprises a displacement adjusting mechanism for adjusting the displacement of the lens component in the Z-axis direction and an angle adjusting mechanism for adjusting the rotation angle of the lens component in the X-axis direction and the Y-axis direction; the lower part of the lens component is fixed on the displacement adjusting mechanism through a spherical joint clamping structure, and the upper part of the lens component is fixed on the angle adjusting mechanism through clamping. The utility model fixes the lower part of the lens component on the displacement adjusting mechanism through the spherical joint clamping structure, and fixes the upper part of the lens component on the angle adjusting mechanism through clamping, thereby adjusting the displacement and the angles in multiple directions by adopting a simple and compact structure and simple and flexible operation without using a jig instrument, and effectively saving the space. And the whole design is very exquisite, low cost.
Description
Technical Field
The present utility model relates to the field of projectors, and more particularly, to a projector lens adjustment device, a projector lens adjustment system, and a projector.
Background
In the light path design of the projector, due to the problems of production and manufacturing deviation, assembly gaps and the like, the design requirements of the optimal position and angle in the light path are difficult to meet, so that the light utilization rate is low, and the product performance is reduced. It is therefore necessary to position and angle the associated lens in order to achieve optimal optical results.
Currently, the adjustment of the lens of the projector is to either select the lens position adjustment in a single direction or the lens angle adjustment alone, and then control the lens in other directions depending on the machining precision, or select the lens adjustment to a fixed position by a related jig instrument. The former requires high manufacturing requirements for the relevant parts and is therefore costly. The latter is also costly due to the use of jig instrumentation, and the adjustment process is complex and inefficient, and the adjustment scheme is more limited due to the spatial position limitations of the projector lenses.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art, and provides a projector lens adjusting device, a projector lens adjusting system and a projector, which have the advantages of exquisite design, simple and compact structure, simplicity and flexibility in operation, and capability of adjusting the angles of displacement and multiple directions and effectively saving space.
The technical scheme adopted for solving the technical problems is as follows: a lens adjusting device of a projector is constructed, comprising a displacement adjusting mechanism for adjusting the displacement of a lens component in the Z-axis direction and an angle adjusting mechanism for adjusting the rotation angle of the lens component in the X-axis direction and the Y-axis direction; the lower part of the lens component is fixed on the displacement adjusting mechanism through a spherical joint clamping structure, and the upper part of the lens component is fixed on the angle adjusting mechanism through clamping.
In the lens adjusting device for the projector, the displacement adjusting mechanism comprises a displacement bracket, a spherical groove arranged on one side of the displacement bracket facing the lens component, and a sliding component arranged on one side of the displacement bracket facing away from the lens component, wherein a spherical rod is arranged on the lower part of the lens component, and the spherical rod is matched with the spherical groove to form the spherical joint clamping structure.
In the lens adjusting device for the projector according to the present utility model, the lens assembly, the displacement adjusting mechanism and the angle adjusting mechanism are accommodated in a housing, and the housing includes a lower housing and an upper housing.
In the projector lens adjusting apparatus of the present utility model, the sliding assembly includes a guide rib provided at a bottom of the lower case on a side facing the displacement bracket, and a guide groove provided at a side of the displacement bracket facing the lower case, the guide groove sliding in the Z-axis direction along the guide rib; the displacement adjustment mechanism further comprises a fixing means for fixing the displacement bracket to the lower housing.
In the lens adjusting device of the projector, the angle adjusting mechanism comprises a pressing plate clamped between the upper shell and the top of the lens component, elastic pieces respectively arranged at two sides of the pressing plate, and an adjusting piece arranged at one side of the pressing plate, which is opposite to the lens component; the elastic pieces are respectively clamped on two sides of the top of the lens assembly, the elastic pieces are pressed by the upper shell, and the rotation angles of the lens assembly in the X-axis direction and the Y-axis direction are adjusted through the forward and backward movement or the left and right rotation of the adjusting piece.
In the lens adjusting device for the projector, the elastic sheet comprises a horizontal fixing part arranged on the pressing plate, a first bending part extending from the horizontal fixing part to lean against the upper shell, and a second bending part extending from the first bending part back to the upper shell; an opening is arranged on the upper shell, and the adjusting piece extends through the opening.
Another technical scheme adopted by the utility model for solving the technical problems is to construct an adjustable system of a projector lens, which comprises a lens component, a displacement adjusting mechanism for adjusting the displacement of the lens component in the Z-axis direction, an angle adjusting mechanism for adjusting the rotation angle of the lens component in the X-axis direction and the Y-axis direction, and a shell for accommodating the lens component, the displacement adjusting mechanism and the angle adjusting mechanism; the lower part of the lens component is fixed on the displacement adjusting mechanism through a spherical joint clamping structure, and the upper part of the lens component is fixed on the angle adjusting mechanism through clamping.
In the projector lens adjustable system of the utility model, the housing comprises a lower housing and an upper housing; the lens assembly comprises a lens and a lens fixing frame, a spherical rod is arranged at the bottom of the lens fixing frame, and the lens is fixed in the lens fixing frame;
the displacement adjusting mechanism comprises a displacement bracket, a spherical groove arranged on one side of the displacement bracket facing the lens component, a guide rib arranged on one side of the bottom of the lower shell facing the displacement bracket, a guide groove arranged on one side of the displacement bracket facing the lower shell, and a fixing device for fixing the displacement bracket on the lower shell; the spherical rod is matched with the spherical groove to form the spherical joint clamping structure, and the guide groove slides along the guide rib in the Z-axis direction;
the angle adjusting mechanism comprises a pressing plate clamped between the upper shell and the top of the lens fixing frame, elastic pieces respectively arranged on two sides of the pressing plate, and an adjusting piece arranged on one side of the pressing plate, which is back to the lens fixing frame; the elastic pieces are respectively clamped on two sides of the top edge of the lens fixing frame, the upper shell presses the elastic pieces, and the rotation angles of the lens fixing frame in the X-axis direction and the Y-axis direction are adjusted through the forward and backward movement or the left and right rotation of the adjusting piece.
In the projector lens adjustable system of the utility model, the elastic sheet comprises a horizontal fixing part arranged on the pressing plate, a first bending part extending from the horizontal fixing part to lean against the upper shell, and a second bending part extending from the first bending part back to the upper shell; an opening is arranged on the upper shell, and the adjusting piece extends through the opening.
Another technical scheme adopted by the utility model for solving the technical problem is to construct a projector, which comprises the projector lens adjusting device or the projector lens adjustable system.
The utility model fixes the lower part of the lens component on the displacement adjusting mechanism through the spherical joint clamping structure, and clamps and fixes the upper part of the lens component on the angle adjusting mechanism through clamping and fixing, so that the displacement in the Z-axis direction can be realized by adopting a simple and compact structure, the rotation of the lens component in the XY-axis direction can be allowed, and the displacement and the angles in a plurality of directions can be adjusted through simple and flexible operation without using a jig instrument, thereby effectively saving the space. The whole design is very exquisite, the cost is low, and the projector is suitable for various projectors.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a preferred embodiment of a lens adjusting device for a projector according to the present utility model;
FIG. 2 is an exploded view of a preferred embodiment of the projector lens adjustment system of the present utility model;
FIG. 3 is a schematic view of the projector lens adjustment system of FIG. 2 with an angle adjustment of rotation in the X-axis direction;
fig. 4 is a schematic view of the projector lens adjusting system shown in fig. 2 with an angle adjustment of a rotation angle in a Y-axis direction.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model relates to a projector lens adjusting device, which comprises a displacement adjusting mechanism for adjusting the displacement of a lens component in the Z-axis direction and an angle adjusting mechanism for adjusting the rotation angle of the lens component in the X-axis direction and the Y-axis direction; the lower part of the lens component is fixed on the displacement adjusting mechanism through a spherical joint clamping structure, and the upper part of the lens component is fixed on the angle adjusting mechanism through clamping. The utility model fixes the lower part of the lens component on the displacement adjusting mechanism through the spherical joint clamping structure, and clamps and fixes the upper part of the lens component on the angle adjusting mechanism through clamping and fixing, so that the displacement in the Z-axis direction can be realized by adopting a simple and compact structure, the rotation of the lens component in the XY-axis direction can be allowed, and the displacement and the angles in a plurality of directions can be adjusted through simple and flexible operation without using a jig instrument, thereby effectively saving the space. The whole design is very exquisite, the cost is low, and the projector is suitable for various projectors.
Still further, the displacement adjustment mechanism of the present utility model comprises a displacement bracket, a spherical groove arranged on one side of the displacement bracket facing the lens component, and a sliding component arranged on one side of the displacement bracket facing away from the lens component, wherein a spherical rod is arranged on the lower part of the lens component, and the spherical rod is engaged with the spherical groove to form the spherical joint engagement structure; the angle adjusting mechanism comprises a pressing plate clamped between the upper shell and the top of the lens assembly, elastic pieces respectively arranged on two sides of the pressing plate, and an adjusting piece arranged on one side of the pressing plate, which is opposite to the lens assembly; the elastic pieces are respectively clamped on two sides of the top of the lens assembly, the elastic pieces are pressed by the upper shell, and the rotation angles of the lens assembly in the X-axis direction and the Y-axis direction are adjusted through the forward and backward movement or the left and right rotation of the adjusting piece. Therefore, the displacement adjusting mechanism and the angle adjusting mechanism adopt very simple structures, can finely finish the displacement of the Z axis and the adjustment of the rotation angle in the X axis direction and the Y axis direction, and are suitable for various projectors, especially small projectors with compact structures.
Fig. 1 is a schematic structural view of a preferred embodiment of a lens adjusting device for a projector according to the present utility model. As shown in fig. 1, the projector lens adjusting apparatus includes a displacement adjusting mechanism 200 for adjusting the displacement of the lens assembly 100 in the Z-axis direction and an angle adjusting mechanism 300 for adjusting the rotation angle of the lens assembly 100 in the X-axis direction and the Y-axis direction. As shown in fig. 1, the lens assembly 100, the displacement adjustment mechanism 200, and the angle adjustment mechanism 300 are housed in a housing 400.
As shown in fig. 1, in the preferred embodiment, the lower portion of the lens assembly 100 is fixed to the displacement adjustment mechanism 200 by a spherical joint engagement structure 500, and the upper portion of the lens assembly 100 is fixed to the angle adjustment mechanism 300 by engagement.
In a preferred embodiment of the present utility model, the lower portion of the lens assembly 100 is provided with a spherical rod, a spherical groove may be formed on the displacement adjustment mechanism 200, the spherical rod is engaged with the spherical groove to form the spherical joint engagement structure 500 (see fig. 3), and any suitable sliding means, such as a mounting pulley, a sliding rail, etc., may be provided on the displacement adjustment mechanism 200, so that the displacement adjustment mechanism 200 may be moved in the Z-axis direction, thereby adjusting the displacement of the lens assembly 100 fixed to the displacement adjustment mechanism 200 by the spherical joint engagement structure 500 in the Z-axis direction.
In a preferred embodiment of the present utility model, the angle adjustment mechanism 300 may include a pressing plate interposed between the housing 400 and the top of the lens assembly 100, which presses the pressing plate, and an adjustment member provided on the pressing plate, and adjusts the rotation angle of the lens assembly 100 in the X-axis direction and the Y-axis direction by the forward and backward movement or the left and right rotation of the adjustment member.
The utility model fixes the lower part of the lens component on the displacement adjusting mechanism through the spherical joint clamping structure, and clamps and fixes the upper part of the lens component on the angle adjusting mechanism through clamping and fixing, so that the displacement in the Z-axis direction can be realized by adopting a simple and compact structure, the rotation of the lens component in the XY-axis direction can be allowed, and the displacement and the angles in a plurality of directions can be adjusted through simple and flexible operation without using a jig instrument, thereby effectively saving the space. The whole design is very exquisite, the cost is low, and the projector is suitable for various projectors.
Fig. 2 is an exploded view of a preferred embodiment of the projector lens adjustment system of the present utility model. Also shown in fig. 2 is a projector lens adjustment device according to a preferred embodiment of the present utility model. As shown in fig. 1-2, the projector lens adjustment system includes a lens assembly 100, a displacement adjustment mechanism 200 for adjusting displacement of the lens assembly 100 in a Z-axis direction, an angle adjustment mechanism 300 for adjusting rotation angles of the lens assembly 100 in an X-axis direction and a Y-axis direction, and a housing 400 for accommodating the lens assembly 100, the displacement adjustment mechanism 200, and the angle adjustment mechanism 300. The lower portion of the lens assembly 100 is fixed to the displacement adjustment mechanism 200 by a spherical joint engagement structure 500 (see fig. 3), and the upper portion of the lens assembly 100 is fixed to the angle adjustment mechanism 300 by engagement.
As further shown in fig. 2, the housing 400 includes a lower housing 420 and an upper housing 410. The housing is preferably a rectangular housing, the upper housing 410 and the lower housing 420 form a cylindrical housing with both ends open, and the lens assembly 100, the displacement adjustment mechanism 200 and the angle adjustment mechanism 300 are accommodated in the central position of the cylindrical housing.
The lens assembly 100 includes a lens 110 and a lens holder 120. The lens 110 is fixed in the lens holder 120. The lens 110 and the lens holder 120 are sized and shaped to match each other, and the lens holder 120 is preferably a rectangular frame structure in which the lens 110 is embedded in the lens holder 120. The bottom of the lens holder 120 is provided with a spherical rod 121. As shown in fig. 2, the ball bar 121 is centrally disposed on the bottom side of the rectangular frame structure.
As shown in fig. 2, the displacement adjustment mechanism 200 includes a displacement bracket 210, a spherical recess 220 provided at a side of the displacement bracket 210 facing the lens assembly 100, a guide rib 230 provided at a bottom of the lower housing 420 at a side facing the displacement bracket 210, a guide groove provided at a side of the displacement bracket 210 facing the lower housing 420, and a fixing device 240 for fixing the displacement bracket 210 to the lower housing 420.
The spherical rod 121 is engaged with the spherical groove 220 to form the spherical joint engagement structure 500, the guide rib 230 disposed at the bottom of the lower housing 420 and facing the side of the displacement bracket 210, and the guide groove disposed at the side of the displacement bracket 210 and facing the lower housing 420 form a set of sliding components, when the guide groove slides along the guide rib 230 in the Z-axis direction, the displacement bracket 210 slides along the guide rib 230 in the Z-axis direction, so as to drive the lens fixing frame 120 fixed on the displacement bracket 210 by the spherical joint engagement structure 500 to slide in the Z-axis direction, that is, drive the lens 110 to slide in the Z-axis direction, thereby achieving the purpose of adjusting the position of the lens 110 in the Z-axis direction. After the lens 110 is adjusted to the proper position, it can be secured using the securing device 240. For example, the fixing device 240 may include a fixing screw, and corresponding mounting holes may be formed in the lower housing 420 and the displacement bracket to allow the fixing screw to pass therethrough and fix.
Of course, in other preferred embodiments of the present utility model, other configurations of sliding components may be used, such as a pulley or a sliding block on the side of the displacement bracket 210 facing the lower housing 420, and a sliding rail or a sliding groove on the side of the bottom of the lower housing 420 facing the displacement bracket 210. Of course, in other preferred embodiments of the present utility model, other fastening means, such as gluing, welding, etc., may be used for fastening.
As shown in fig. 2, the angle adjusting mechanism 300 includes a pressing plate 310 clamped between the upper housing 410 and the top of the lens holder 120, elastic pieces 320 respectively disposed on two sides of the pressing plate 310, and an adjusting member 340 disposed on a side of the pressing plate 310 facing away from the lens holder 120. As shown in fig. 2, the pressing plate 310 is a rectangular pressing plate, and preferably, a set of clamping blocks 330 with a distance matching the thickness of the top edge of the lens holder 120 is further disposed on the side facing the lens holder 120, so as to better fix the lens holder 120. The elastic pieces 320 respectively lock the two sides of the top edge of the lens holder 120, the upper housing 410 presses the elastic pieces 320, and the rotation angle of the lens holder 120 in the X-axis direction and the Y-axis direction is adjusted by the back-and-forth movement or the left-and-right rotation of the adjusting member 340.
Preferably, the section of the elastic sheet is triangular, that is, the elastic sheet 320 includes a horizontal fixing portion provided on the pressing plate 310, a first bending portion extending from the horizontal fixing portion to abut against the upper case 410, and a second bending portion extending from the first bending portion to face away from the upper case 410. The upper case 410 is provided with an opening 411, and the adjuster 340 extends through the opening 411. The elastic sheet 320 has elasticity, and the vertex of the first bending portion abuts against the upper housing 410, so that after the upper housing 410 is covered, the upper housing 410 can apply pressure to the elastic sheet 320, so that the lens fixing frame 120 can move freely. By toggling the adjustment member 340, the lens holder 12 can be rotated in the X or Y axis directions, thereby effecting rotation of the lens 110 in the XY axis directions.
As can be seen from the embodiments shown in fig. 1-2, the present utility model further discloses a lens adjusting device for a projector, which includes a displacement adjusting mechanism 200 for adjusting the displacement of the lens assembly 100 in the Z-axis direction and an angle adjusting mechanism 300 for adjusting the rotation angle of the lens assembly 100 in the X-axis direction and the Y-axis direction. The lens assembly 100, the displacement adjustment mechanism 200, and the angle adjustment mechanism 300 are housed in a housing 400. The housing includes a lower housing 420 and an upper housing 410.
The displacement adjustment mechanism 200 includes a displacement bracket 210, a spherical recess 220 disposed on a side of the displacement bracket 210 facing the lens assembly 100, and a sliding assembly disposed on a side of the displacement bracket 210 facing away from the lens assembly 100, and a fixing device 240 for fixing the displacement bracket 210 on the lower housing 420. The lower part of the lens assembly 100 is provided with a spherical rod 121, and the spherical rod 121 is engaged with the spherical groove 220 to form the spherical joint engagement structure 500.
The sliding assembly includes a guide rib 230 provided at a bottom of the lower case 420 at a side facing the displacement bracket 210, and a guide groove provided at a side of the displacement bracket 210 facing the lower case 420, the guide groove sliding along the guide rib 230 in the Z-axis direction. Of course, in other preferred embodiments of the present utility model, other configurations of sliding components may be used, such as a pulley or a sliding block on the side of the displacement bracket 210 facing the lower housing 420, and a sliding rail or a sliding groove on the side of the bottom of the lower housing 420 facing the displacement bracket 210. Of course, in other preferred embodiments of the present utility model, other fastening means, such as gluing, welding, etc., may be used for fastening.
The angle adjusting mechanism 300 includes a pressing plate 310 clamped between the upper housing 410 and the top of the lens assembly 100, elastic pieces 320 respectively disposed on two sides of the pressing plate 310, and an adjusting member 340 disposed on one side of the pressing plate 310 facing away from the lens assembly 100. The elastic pieces 320 respectively lock the two sides of the top of the lens assembly 100, the upper housing 410 presses the elastic pieces 320, and the rotation angle of the lens assembly 100 in the X-axis direction and the Y-axis direction is adjusted by the forward and backward movement or the left and right rotation of the adjusting member.
Preferably, the section of the elastic sheet is triangular, that is, the elastic sheet 320 includes a horizontal fixing portion provided on the pressing plate 310, a first bending portion extending from the horizontal fixing portion to abut against the upper case 410, and a second bending portion extending from the first bending portion to face away from the upper case 410. The upper case 410 is provided with an opening 411, and the adjuster 340 extends through the opening 411. The elastic sheet 320 has elasticity, and the vertex of the first bending portion abuts against the upper housing 410, so that after the upper housing 410 is covered, the upper housing 410 can apply pressure to the elastic sheet 320, so that the lens assembly 100 can freely move. By toggling the adjustment member 340, the lens assembly 100 can be rotated in either the X or Y directions, thereby effecting rotation of the lens 110 in the XY directions.
Fig. 3 is a schematic view of the projector lens adjusting system shown in fig. 2 for performing an angle adjustment of a rotation angle in an X-axis direction. Fig. 4 is a schematic view of the projector lens adjusting system shown in fig. 2 with an angle adjustment of a rotation angle in a Y-axis direction. The principles and operation of the present utility model are described below in conjunction with fig. 3-4.
Firstly, the lens 110 can be fixed in the lens fixing frame 120, a spherical rod 121 is arranged at the bottom of the lens fixing frame 120, a spherical groove 220 is arranged at the top of the displacement bracket 210, and the lens fixing frame 120 can be embedded, and the spherical rod 121 is matched with the spherical groove 220 to form a spherical joint clamping structure 500. Spring pieces 320 are disposed on two sides of the pressing plate 310 of the angle adjusting mechanism 300. The top of the spring plate 320 is pre-pressed at the lower side of the upper casing 410, the pressing plate 310 is clamped and connected with the lens fixing frame 120, and an adjusting piece 340 is arranged at the top of the pressing plate 310, so that the operation, adjustment and fixation are convenient.
Because the spherical rod 121 is arranged at the bottom of the lens fixing frame 120 and the spherical groove 220 is arranged at the top of the displacement bracket 210, a spherical joint clamping structure 500, namely a universal joint, can be formed, the displacement bracket 210 can move on the lower shell 420 along the Z-axis direction through the sliding component, and after moving to a proper position, the displacement bracket is fixed by a screw on the lower shell.
The pressing plate 310 clamps the top of the lens fixing frame 120, and the upper shell 410 presses the elastic sheet 320 on the pressing plate 310, so that the lens fixing frame 120 can automatically move. The rotation adjustment of the lens assembly along the X-axis direction can be achieved by toggling the adjustment member back and forth (i.e., in the direction of the arrow) as shown in fig. 3. By twisting the adjusting member left and right (i.e., arrow direction) as shown in fig. 4, the lens assembly can be rotationally adjusted along the Y-axis direction, and after the lens assembly is adjusted to an optimal position, the relative position of the adjusting member and the upper housing is fixed (e.g., by dispensing, screwing or welding) so as to achieve rotational adjustment of the lens in the X-axis and Y-axis directions.
The utility model fixes the lower part of the lens component on the displacement adjusting mechanism through the spherical joint clamping structure, and clamps and fixes the upper part of the lens component on the angle adjusting mechanism through clamping and fixing, so that the displacement in the Z-axis direction can be realized by adopting a simple and compact structure, the rotation of the lens component in the XY-axis direction can be allowed, and the displacement and the angles in a plurality of directions can be adjusted through simple and flexible operation without using a jig instrument, thereby effectively saving the space. The whole design is very exquisite, the cost is low, and the projector is suitable for various projectors.
The utility model further provides a projector which can comprise the projector lens adjusting device or the projector lens adjustable system. The remainder of the projector may be constructed in accordance with any projector known in the art and will not be described in detail herein.
While the utility model has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from its scope. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A lens adjusting device of a projector, which is characterized by comprising a displacement adjusting mechanism for adjusting the displacement of a lens component in a Z-axis direction and an angle adjusting mechanism for adjusting the rotation angle of the lens component in an X-axis direction and a Y-axis direction; the lower part of the lens component is fixed on the displacement adjusting mechanism through a spherical joint clamping structure, and the upper part of the lens component is fixed on the angle adjusting mechanism through clamping.
2. The lens adjusting device of claim 1, wherein the displacement adjusting mechanism comprises a displacement bracket, a spherical groove arranged on one side of the displacement bracket facing the lens assembly, and a sliding assembly arranged on one side of the displacement bracket facing away from the lens assembly, wherein a spherical rod is arranged on the lower part of the lens assembly, and the spherical rod is matched with the spherical groove to form the spherical joint clamping structure.
3. The projector lens adjustment device of claim 2, wherein the lens assembly, the displacement adjustment mechanism, and the angle adjustment mechanism are housed in a housing, the housing comprising a lower housing and an upper housing.
4. The projector lens adjusting apparatus as claimed in claim 3, wherein the sliding assembly includes a guide rib provided at a side of a bottom of the lower housing facing the displacement bracket, and a guide groove provided at a side of the displacement bracket facing the lower housing, the guide groove sliding in the Z-axis direction along the guide rib; the displacement adjustment mechanism further comprises a fixing means for fixing the displacement bracket to the lower housing.
5. The lens adjusting device of claim 3, wherein the angle adjusting mechanism comprises a pressing plate clamped between the upper shell and the top of the lens assembly, spring plates respectively arranged at two sides of the pressing plate, and an adjusting piece arranged at one side of the pressing plate, which is opposite to the lens assembly; the elastic pieces are respectively clamped on two sides of the top of the lens assembly, the elastic pieces are pressed by the upper shell, and the rotation angles of the lens assembly in the X-axis direction and the Y-axis direction are adjusted through the forward and backward movement or the left and right rotation of the adjusting piece.
6. The projector lens adjustment device of claim 5, wherein the spring plate comprises a horizontal fixing portion provided on the pressing plate, a first bending portion extending from the horizontal fixing portion to abut against the upper housing, and a second bending portion extending from the first bending portion to face away from the upper housing; an opening is arranged on the upper shell, and the adjusting piece extends through the opening.
7. A projector lens adjustable system, comprising a lens assembly, a displacement adjustment mechanism for adjusting displacement of the lens assembly in a Z-axis direction, an angle adjustment mechanism for adjusting rotation angles of the lens assembly in an X-axis direction and a Y-axis direction, and a housing for accommodating the lens assembly, the displacement adjustment mechanism, and the angle adjustment mechanism; the lower part of the lens component is fixed on the displacement adjusting mechanism through a spherical joint clamping structure, and the upper part of the lens component is fixed on the angle adjusting mechanism through clamping.
8. The projector lens adjustment system of claim 7, wherein the housing comprises a lower housing and an upper housing; the lens assembly comprises a lens and a lens fixing frame, a spherical rod is arranged at the bottom of the lens fixing frame, and the lens is fixed in the lens fixing frame;
the displacement adjusting mechanism comprises a displacement bracket, a spherical groove arranged on one side of the displacement bracket facing the lens component, a guide rib arranged on one side of the bottom of the lower shell facing the displacement bracket, a guide groove arranged on one side of the displacement bracket facing the lower shell, and a fixing device for fixing the displacement bracket on the lower shell; the spherical rod is matched with the spherical groove to form the spherical joint clamping structure, and the guide groove slides along the guide rib in the Z-axis direction;
the angle adjusting mechanism comprises a pressing plate clamped between the upper shell and the top of the lens fixing frame, elastic pieces respectively arranged on two sides of the pressing plate, and an adjusting piece arranged on one side of the pressing plate, which is back to the lens fixing frame; the elastic pieces are respectively clamped on two sides of the top edge of the lens fixing frame, the upper shell presses the elastic pieces, and the rotation angles of the lens fixing frame in the X-axis direction and the Y-axis direction are adjusted through the forward and backward movement or the left and right rotation of the adjusting piece.
9. The projector lens adjustable system of claim 8, wherein the spring plate comprises a horizontal fixation portion provided on the pressure plate, a first bending portion extending from the horizontal fixation portion against the upper housing, and a second bending portion extending from the first bending portion away from the upper housing; an opening is arranged on the upper shell, and the adjusting piece extends through the opening.
10. A projector comprising a projector lens adjustment device according to any one of claims 1-6 or a projector lens adjustment system according to any one of claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725299.8U CN220105502U (en) | 2023-07-03 | 2023-07-03 | Projector lens adjusting device, projector lens adjusting system and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725299.8U CN220105502U (en) | 2023-07-03 | 2023-07-03 | Projector lens adjusting device, projector lens adjusting system and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220105502U true CN220105502U (en) | 2023-11-28 |
Family
ID=88840777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321725299.8U Active CN220105502U (en) | 2023-07-03 | 2023-07-03 | Projector lens adjusting device, projector lens adjusting system and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220105502U (en) |
-
2023
- 2023-07-03 CN CN202321725299.8U patent/CN220105502U/en active Active
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