CN209784667U - Lens position adjusting mechanism - Google Patents
Lens position adjusting mechanism Download PDFInfo
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- CN209784667U CN209784667U CN201920427682.2U CN201920427682U CN209784667U CN 209784667 U CN209784667 U CN 209784667U CN 201920427682 U CN201920427682 U CN 201920427682U CN 209784667 U CN209784667 U CN 209784667U
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Abstract
The utility model discloses a camera lens position control mechanism, including the base with can follow fore-and-aft direction slip and fixed mounting the alignment jig on the base, the preceding terminal surface of alignment jig is provided with front opening's recess, is provided with the lens mount that is equipped with the camera lens in the recess, the internal diameter of recess is greater than the external diameter of lens mount, the tank bottom of recess is provided with along the fore-and-aft direction and runs through the through-hole that the base passes through with the confession pencil, the rear end face subsides of alignment jig cover have be used for attracting the component of lens mount with fixed lens mount through magnetic force. The utility model has the advantages that: the lens mount can carry out two-dimensional position control at the recess to can fix a position the optional position in the recess through magnetic force, the alignment jig can move the location along the fore-and-aft direction on the base simultaneously, makes the camera lens obtain three degrees of freedom, realizes the position control of camera lens, with the production deviation or the assembly deviation of compensation display device.
Description
Technical Field
the utility model relates to a camera lens mounting structure technical field for display device especially relates to a camera lens position control mechanism.
Background
In the packaging structure of the display device, due to structural or manufacturing errors, the position of the display device is inevitably deviated, and further the position of the emergent light of the display device irradiating on the lens and the distance between the display device and the lens are affected, and the corresponding emergent image is distorted, eccentric, difficult to focus and the like due to the factors.
The existing micro-displacement scheme generally achieves the purpose of adjustment by designing an additional auxiliary structure on a multi-degree-of-freedom displacement table, and the displacement table is complex in structure, large in size, high in cost, not suitable for occasions with small space requirements and low in flexibility.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a camera lens position control mechanism for realize the adjustable of camera lens position, adapt to display device's installation error through adjusting the camera lens.
In order to realize the above-mentioned utility model, the embodiment of the utility model provides a first aspect provides a camera lens position control mechanism, including the base with can follow fore-and-aft direction slip and fixed mounting the alignment jig on the base, the preceding terminal surface of alignment jig is provided with front opening's recess, is provided with the lens mount that is equipped with the camera lens in the recess, the internal diameter of recess is greater than the external diameter of lens mount, the tank bottom of recess is provided with the through-hole that runs through the base along the fore-and-aft direction in order to supply the pencil to pass through, the rear end face subsides of alignment jig cover have be used for attracting the component of lens mount.
The lens holder is movable laterally and/or longitudinally within the recess to achieve two-dimensional position adjustment in a vertical plane (a plane perpendicular to the front-rear direction), and is positionable at an arbitrary position within the recess by magnetic force. Meanwhile, the adjusting frame can move and position on the base along the front-back direction, so that the lens can obtain three degrees of freedom, the position adjustment of the lens is realized, and the production deviation or the assembly deviation of the display device is compensated. The structure has low cost and small volume, is suitable for narrow space and is convenient to use.
Be provided with in the lens mount and be used for the installation camera lens and run through the mounting hole of lens mount along the fore-and-aft direction, camera lens fixed mounting can be in the mounting hole, and the camera lens can be installed in the mounting hole through fixed modes such as sticky or screw. The through hole is used for the light beam passing through the lens to pass through, and the light beam passing through the lens is prevented from being shielded.
Preferably, the member is an annular plate, and the through hole is positioned in the range of an inner hole of the annular plate. Alternatively, the component may be an integral component, or may comprise a plurality of separate parts, as long as the lens holder can be attracted by magnetic force to fix the lens holder.
Optionally, the lens holder and the member are both magnets.
Optionally, the lens holder is a magnet, and the member is made of a material that can be attracted by the magnet.
Optionally, the lens holder is made of a material that can be attracted by a magnet, and the member is a magnet.
Preferably, the adjusting frame is provided with a fixing piece for fixing the lens mount. After the position of the lens mount is adjusted and the lens mount is adsorbed and fixed by the component, the position of the lens mount is locked by the fixing piece, and the positioning stability of the lens mount is improved.
Optionally, the fixing piece is at least three fastening bolts arranged on the side wall of the groove and distributed along the circumferential direction of the lens mount at intervals, and the fastening bolts are all arranged along the radial direction of the lens mount. The side wall of the groove is provided with a threaded hole for connecting a fastening bolt, and the threaded part of the fastening bolt extends into the groove and compresses the circumferential surface of the lens mount.
Preferably, the groove is a circular groove, and the circumferential surface of the lens mount is a cylindrical surface.
Preferably, the base is provided with a guide rail extending along the front-rear direction, and the bottom of the adjusting bracket is provided with a slide block which is slidably mounted on the guide rail along the front-rear direction. However, the structure of the adjusting frame slidably mounted on the base is not limited to this, and for example, a guide rail along the front-back direction may be provided at the bottom of the adjusting frame, and a slider engaged with the guide rail may be provided on the base.
Furthermore, the guide rail and the base can be of an integral structure, or the guide rail is fixedly arranged on the base through a screw, or other connecting structures; the sliding block and the adjusting frame can be of an integral structure, the sliding block can be fixedly arranged on the adjusting frame through a screw, and other connecting structures can be further adopted.
Furthermore, the fixing structure of the adjusting bracket on the base can be in screw fixing connection, pin fixing connection and the like, namely the adjusting bracket is fixed after sliding to a set position. Preferably, the base is provided with a driving device for driving the adjusting frame to slide and position along the front-back direction. The driving device can be a linear stepping motor, a screw rod driving device, a gear rack driving device, a conveyor belt driving device and the like.
Optionally, the driving device includes an adjusting bolt and a threaded hole formed in the adjusting frame, one end of the adjusting bolt extending in the front-back direction is axially fixed and circumferentially rotatably mounted on the base, and the other end of the adjusting bolt is connected with the threaded hole formed in the adjusting frame through a thread. The adjusting bracket can be driven to slide in the front-back direction by screwing the adjusting bolt.
The adjusting bolt is axially fixed and circumferentially rotatably arranged on the base, and specifically can be an annular limiting groove and limiting convex rib matching structure or a bearing connecting structure and the like. The base is also provided with a shaft hole for the adjusting bolt to penetrate, one end of the adjusting bolt, which does not penetrate through the shaft hole, is provided with a limiting convex edge for preventing the adjusting bolt from penetrating through the shaft hole, the outer part of the adjusting bolt penetrating through the shaft hole is sleeved with a spring, one end of the spring is abutted against the base, and the other end of the spring is abutted against the adjusting frame. Thereby the spring and spacing bead combined action, the axial displacement of restriction adjusting bolt. In order to enable the shaft hole to be coaxial with the threaded hole, a support plate is arranged on one side of the base, the shaft hole is formed in the support plate, and the threaded hole is formed in the lower portion of the groove so as to prevent the support plate from shielding the light emitted by the lens. Further preferably, one end of the adjusting bolt, which is provided with the limiting convex rib, is provided with an operating handle which is convenient to hold and screw.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
The lens mount can transversely move and/or longitudinally move in the groove to realize two-dimensional position adjustment in a vertical plane, and can be positioned at any position in the groove through magnetic force, and the adjusting frame can move and position on the base along the front-back direction, so that the lens obtains three degrees of freedom, and the position adjustment of the lens is realized to compensate production deviation or assembly deviation of the display device.
Drawings
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
Fig. 3 is a schematic perspective view of the present invention.
1-base, 2-adjusting bracket, 201-groove, 3-lens, 4-lens holder, 202-through hole, 5-component, 203-fastening bolt, 101-guide rail, 204-slide block, 102-adjusting bolt, 205-threaded hole, 103-shaft hole, 104-limiting rib, 105-spring, 106-fulcrum plate
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a camera lens position control mechanism, as shown in figure 1, fig. 2, fig. 3 is shown, including base 1 and can follow fore-and-aft direction slip and fixed mounting adjusting bracket 2 on base 1, the preceding terminal surface of adjusting bracket 2 is provided with front opening's recess 201, be provided with the lens mount 4 that is equipped with camera lens 3 in the recess 201, the internal diameter of recess 201 is greater than the external diameter of lens mount 4, the tank bottom of recess 201 is provided with and runs through base 1 with the through-hole 202 that supplies the pencil to pass through along the fore-and-aft direction, the rear end face of adjusting bracket 2 pastes to cover and is used for attracting lens mount 4 with the component 5 of fixed lens mount 4 through magnetic.
The lens holder 4 is laterally movable and/or longitudinally movable within the recess 201 to achieve two-dimensional position adjustment in a vertical plane (a plane perpendicular to the front-rear direction), and can be positioned at any position within the recess 201 by magnetic force. Meanwhile, the adjusting frame 2 can move and position on the base 1 along the front-back direction, so that the lens 3 obtains three degrees of freedom, and the position adjustment of the lens 3 is realized to compensate the production deviation or the assembly deviation of the display device. The structure has low cost and small volume, is suitable for narrow space and is convenient to use.
As shown in fig. 2, a mounting hole for mounting the lens 3 is formed in the lens holder 4 and penetrates through the lens holder 4 in the front-rear direction, the lens 3 is fixedly mounted in the mounting hole, and the lens 3 can be mounted in the mounting hole by a fixing method such as gluing or screwing. The through hole 202 is used for passing the light beam passing through the lens 3, and avoids blocking the light beam passing through the lens 3.
Preferably, the member 5 is a ring-shaped piece, and the through hole 202 is located in the inner hole of the ring-shaped piece. Alternatively, the member 5 may be an integral member, or may include a plurality of independent components, as long as the lens holder 4 can be attracted by magnetic force to fix the lens holder 4.
Optionally, the lens holder 4 and the member 5 are both magnets.
Optionally, the lens holder 4 is a magnet, and the member 5 is made of a material that can be attracted by the magnet.
Optionally, the lens holder 4 is made of a material that can be attracted by a magnet, and the member 5 is a magnet.
Preferably, the adjusting frame 2 is provided with a fixing member for fixing the lens holder 4. After the position of the lens holder 4 is adjusted and the lens holder is adsorbed and fixed by the component 5, the position of the lens holder 4 is locked by the fixing piece, and the positioning stability of the lens holder 4 is improved.
Optionally, the fixing member is at least three fastening bolts 203 arranged on the side wall of the groove 201 and distributed along the circumferential direction of the lens mount 4 at intervals, and the fastening bolts 203 are all arranged along the radial direction of the lens mount 4. A screw hole for connecting a fastening bolt 203 is provided on a side wall of the groove 201, and a screw portion of the fastening bolt 203 extends into the groove 201 and presses a circumferential surface of the lens holder 4.
Preferably, the groove 201 is a circular groove, and the circumferential surface of the lens holder 4 is a cylindrical surface.
Preferably, as shown in fig. 2 and 3, the base 1 is provided with a guide rail 101 extending in the front-rear direction, and the bottom of the adjusting bracket 2 is provided with a slider 204 slidably mounted on the guide rail 101 in the front-rear direction. However, the structure of the adjusting bracket 2 slidably mounted on the base 1 is not limited to this, and a guide rail along the front-back direction may be provided at the bottom of the adjusting bracket 2, and a slider engaged with the guide rail may be provided on the base 1.
Further, the guide rail 101 and the base 1 may be an integral structure, or the guide rail 101 may be fixedly mounted on the base 1 by screws, or may be other connecting structures; the sliding block 204 and the adjusting frame 2 may be an integral structure, or the sliding block 204 may be fixedly mounted on the adjusting frame 2 by screws, or may be other connecting structures.
Further, the fixing structure of the adjusting bracket 2 on the base 1 may be a screw fixing connection, a pin fixing connection, or the like, that is, the adjusting bracket 2 is fixed after sliding to a set position. Preferably, the base 1 is provided with a driving device for driving the adjusting frame 2 to slide and position along the front-back direction. The driving device can be a linear stepping motor, a screw rod driving device, a gear rack driving device, a conveyor belt driving device and the like.
optionally, as shown in fig. 2, the driving device includes an adjusting bolt 102 and a threaded hole 205 disposed on the adjusting bracket 2, one end of the adjusting bolt 102 extending in the front-back direction is axially fixed and circumferentially rotatably mounted on the base 1, and the other end of the adjusting bolt 102 is connected to the threaded hole 205 on the adjusting bracket 2 through a thread. The adjusting bracket 2 can be driven to slide in the front-rear direction by screwing the adjusting bolt 102.
The adjusting bolt 102 is axially fixed and circumferentially rotatably mounted on the base 1, and may specifically be an annular limiting groove and limiting protruding rib 104 matching structure or a bearing connecting structure. Or the base 1 is provided with a shaft hole 103 for the adjusting bolt 102 to penetrate through, one end of the adjusting bolt 102, which does not penetrate through the shaft hole 103, is provided with a limiting convex rib 104 for preventing the adjusting bolt 102 from penetrating through the shaft hole 103, a spring 105 is sleeved outside the adjusting bolt 102 penetrating through the shaft hole 103, one end of the spring 105 is pressed against the base 1, and the other end of the spring 105 is pressed against the adjusting frame 2. So that the spring 105 and the stopper rib 104 cooperate to restrict the axial displacement of the adjustment bolt 102. In order to make the shaft hole 103 coaxial with the threaded hole 205, a support plate 106 is disposed on one side of the base 1, the shaft hole 103 is disposed on the support plate 106, and the threaded hole 205 is disposed at the lower portion of the groove 201, so as to prevent the support plate 106 from blocking the light emitted from the lens 3. It is further preferable that one end of the adjusting bolt 102, which is provided with the limiting protruding edge 104, is provided with an operating handle for facilitating holding and screwing.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" or "comprises" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
The lens holder 4 can move laterally and/or longitudinally in the groove 201 to realize two-dimensional position adjustment in a vertical plane, and can be positioned at any position in the groove 201 by magnetic force, and the adjusting frame 2 can move and position in the front-back direction on the base 1, so that the lens 3 obtains three degrees of freedom, and the position adjustment of the lens 3 is realized to compensate production deviation or assembly deviation of the display device.
all features disclosed in this specification, except features that are mutually exclusive, may be combined in any way.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. The utility model provides a camera lens position control mechanism, its characterized in that includes the base and can follow fore-and-aft direction slip and fixed mounting the alignment jig on the base, the preceding terminal surface of alignment jig is provided with front opening's recess, be provided with the lens mount that is equipped with the camera lens in the recess, the internal diameter of recess is greater than the external diameter of lens mount, the tank bottom of recess is provided with and runs through the through-hole that the base passes through for the pencil along the fore-and-aft direction, the rear end face subsides of alignment jig cover have be used for attracting the component of lens mount with fixed lens mount through.
2. A lens position adjusting mechanism as claimed in claim 1, wherein the lens holder is provided with a mounting hole for mounting the lens and penetrating the lens holder in the front-rear direction, the lens being fixedly mounted in the mounting hole.
3. A lens position adjusting mechanism as defined in claim 1, wherein the member is a ring-shaped plate, and the through hole is located within an inner hole of the ring-shaped plate.
4. A lens position adjustment mechanism as claimed in claim 1, wherein the lens holder and the member are both magnets, or
The lens holder is a magnet, and the member is made of a material which can be attracted by the magnet, or
The lens holder is made of a material which can be absorbed by a magnet, and the component is a magnet.
5. A lens position adjusting mechanism as claimed in claim 1, wherein the adjusting bracket is provided with a fixing member for fixing the lens holder.
6. a lens position adjusting mechanism as claimed in claim 5, wherein the fixing member is at least three fastening bolts provided on a side wall of the recess and spaced apart from each other in a circumferential direction of the lens holder, the fastening bolts are provided in a radial direction of the lens holder, a screw hole for connecting the fastening bolt is provided on the side wall of the recess, and a screw portion of the fastening bolt extends into the recess and presses a circumferential surface of the lens holder.
7. A lens position adjusting mechanism as defined in claim 1, wherein the base is provided with a guide rail extending in the front-rear direction, and the bottom of the adjusting bracket is provided with a slider slidably mounted on the guide rail in the front-rear direction.
8. A lens position adjusting mechanism according to claim 7, wherein a driving means for driving the adjusting bracket to slide and position in the front-rear direction is mounted on the base.
9. A lens position adjusting mechanism as defined in claim 8, wherein the driving means includes an adjusting bolt and a threaded hole provided in the adjusting bracket, one end of the adjusting bolt extending in the front-rear direction is axially fixed and circumferentially rotatably mounted on the base, and the other end of the adjusting bolt is threadedly connected to the threaded hole of the adjusting bracket.
10. The lens position adjusting mechanism as claimed in claim 9, wherein the base has a shaft hole for the adjusting bolt to pass through, a limiting protrusion is provided at an end of the adjusting bolt not passing through the shaft hole to prevent the adjusting bolt from passing through the shaft hole, a spring is sleeved on an outer portion of the adjusting bolt passing through the shaft hole, one end of the spring is pressed against the base, and the other end of the spring is pressed against the adjusting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427682.2U CN209784667U (en) | 2019-03-29 | 2019-03-29 | Lens position adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427682.2U CN209784667U (en) | 2019-03-29 | 2019-03-29 | Lens position adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209784667U true CN209784667U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920427682.2U Active CN209784667U (en) | 2019-03-29 | 2019-03-29 | Lens position adjusting mechanism |
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| CN (1) | CN209784667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514042A (en) * | 2021-04-25 | 2021-10-19 | 山东大学 | Fixing and auxiliary alignment device and method for vertical measurement of autocollimator |
| CN115061253A (en) * | 2022-06-21 | 2022-09-16 | 歌尔光学科技有限公司 | Focusing mechanism and electronic equipment |
-
2019
- 2019-03-29 CN CN201920427682.2U patent/CN209784667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514042A (en) * | 2021-04-25 | 2021-10-19 | 山东大学 | Fixing and auxiliary alignment device and method for vertical measurement of autocollimator |
| CN115061253A (en) * | 2022-06-21 | 2022-09-16 | 歌尔光学科技有限公司 | Focusing mechanism and electronic equipment |
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