CN218824881U

CN218824881U - Optical adjusting frame and optical platform

Info

Publication number: CN218824881U
Application number: CN202223597200.9U
Authority: CN
Inventors: 高永怡; 余冠南; 刘猛
Original assignee: Shenzhen JPT Optoelectronics Co Ltd
Current assignee: Shenzhen JPT Optoelectronics Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-07
Anticipated expiration: 2032-12-29

Abstract

The application discloses optics alignment jig and optical platform relates to optical lens adjusting device technical field. The optical adjusting frame comprises a first mounting seat, a second mounting seat, an elastic connecting piece and an adjusting piece. The elastic connecting piece is respectively connected with the second mounting seat and the first mounting seat and is positioned between the second mounting seat and the first mounting seat; the first mounting seat is provided with a first through hole; the regulating part includes guide bar and actuating lever, and the second through-hole has been seted up to the axis direction of guide bar with first through-hole joint to the guide bar, and the actuating lever is worn to locate the second through-hole with sliding and can be followed and is close to or keep away from the direction removal of second mount pad. The optical adjusting frame eliminates the problem that a radial gap exists between the driving rod and the second through hole through the sliding fit of the driving rod and the second through hole, and improves the guiding precision of the optical adjusting frame.

Description

Optical adjusting frame and optical platform

Technical Field

The application relates to the technical field of optical lens adjusting devices, in particular to an optical adjusting frame and an optical platform.

Background

The existing optical adjusting frame adopts a thread fine adjustment structure to adjust the optical lens. It is known that the threaded fine adjustment structure has a guide function in cooperation with a coupled shaft hole, and a driving function in cooperation with a threaded connection. However, a radial gap exists between the screw thread and the screw hole, and when the screw thread is connected for driving, the radial gap generates a slight amount of inclined disturbance, so that the guiding precision of the optical adjusting frame is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present disclosure provides an optical adjustment frame and an optical platform to solve the technical problem of radial clearance existing in a thread fine-tuning structure of the optical adjustment frame in the prior art.

The present application provides:

an optical trim rack comprising:

the first mounting seat is provided with a first through hole;

a second mounting seat;

the elastic connecting piece is respectively connected with the second mounting seat and the first mounting seat and is positioned between the second mounting seat and the first mounting seat;

the adjusting part comprises a guide rod and a driving rod, the guide rod is connected with the first through hole in a clamped mode, the second through hole is formed in the axis direction of the guide rod, the driving rod penetrates through the second through hole in a sliding mode and can be close to or far away from the second mounting seat in the moving mode.

In addition, the optical adjusting frame according to the application can also have the following additional technical characteristics:

in some embodiments of this application, the actuating lever includes sliding part and rotating part, the one end rigid coupling of sliding part in the rotating part, the other end is worn to locate the second through-hole can be followed and is close to or keeps away from the direction of second mount pad removes.

In some embodiments of the present application, an outer surface of one end of the guide rod close to the rotating portion is provided with a first thread, an axial direction of one end of the rotating portion close to the guide rod is provided with a first threaded hole, the rotating portion is sleeved on the guide rod, and the first thread is connected with a hole wall of the first threaded hole.

In some embodiments of the present application, the guide bar is in interference fit with the first through hole, and the sliding portion is in clearance fit with the second through hole.

In some embodiments of this application, the actuating lever still includes the screw, the sliding part is close to the one end of rotating part has seted up the second screw hole along its axial, the rotating part is kept away from the one end of guide bar has seted up the fifth through-hole along its axial, the fifth through-hole with first screw hole intercommunication, the screw inserts behind the fifth through-hole with the pore wall of second screw hole is connected.

In some embodiments of the present application, the number of the adjusting members is plural, the number of the first through holes is the same as the number of the adjusting members, and each of the adjusting members is correspondingly connected to one of the first through holes in a clamping manner.

In some embodiments of the present application, the elastic connection member includes an elastic portion, a first connection portion and a second connection portion, both ends of the elastic portion are respectively connected to the first connection portion and the second connection portion, the first connection portion is connected to the first mounting seat, and the second connection portion is connected to the second mounting seat.

In some embodiments of the present application, one side of the first mounting seat, which is far away from the second mounting seat, is recessed inwards to form a first groove, and a third through hole which is formed along a direction close to the second mounting seat is arranged at the bottom of the first groove;

one side of the second mounting seat, which is far away from the first mounting seat, is inwards sunken to form a second groove, a fourth through hole which is formed along the direction close to the first mounting seat is arranged at the bottom of the second groove, and the third through hole is communicated with the fourth through hole.

In some embodiments of the present application, the first connecting portion is disposed in the first groove, the second connecting portion is disposed in the second groove, the elastic portion is disposed in the third through hole and the fourth through hole, and both ends of the elastic portion are tensioned to the first connecting portion and the second connecting portion.

The application also provides an optical platform comprising the optical adjusting frame.

Compared with the prior art, the beneficial effects of this application are: the application provides an optical adjusting frame, the guide bar with first through-hole joint, the actuating lever wears to locate with sliding the second through-hole can be followed and is close to or keeps away from the direction of second mount pad removes. Through the actuating lever with the sliding fit of second through-hole has eliminated the actuating lever with there is the problem of radial clearance between the second through-hole the actuating lever when driving, can not produce the slope disturbance, has improved the direction precision of optics adjustment frame.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 illustrates a schematic view of an optical alignment mount according to some embodiments of the present application;

FIG. 2 is a schematic diagram illustrating an exploded view of an optical trim frame according to some embodiments of the present application;

FIG. 3 illustrates an exploded view of an adjustment member in some embodiments of the present application;

FIG. 4 illustrates a first mount configuration in some embodiments of the present application;

FIG. 5 illustrates a perspective view of a second mount in some embodiments of the present application;

fig. 6 is a schematic view of a second mount from another perspective in some embodiments of the present application.

Description of the main element symbols:

100-an optical alignment mount; 110-a first mount; 111-a first via; 112-a first groove; 113-a third via; 120-a second mount; 121-a second groove; 122-a fourth via; 123-a stopper; 124-a containing groove; 130-a resilient connecting element; 131-an elastic part; 132-a first connection; 133-a second connecting portion; 140-an adjustment member; 141-a guide bar; 1411-a second via; 1412-first thread; 1413-a limiting part; 142-a drive rod; 1421-sliding; 14211 — second threaded hole; 1422-rotating part; 14221 — first threaded hole; 14222-fifth via; 1423-screw.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, an embodiment of the present application provides an optical adjustment frame 100, which is mainly used to solve the problem of radial clearance existing in a thread fine adjustment structure of an existing optical adjustment frame. The optical alignment bracket 100 includes a first mounting base 110, a second mounting base 120, an elastic connection member 130, and an adjustment member 140.

The elastic connection member 130 is connected to the second mounting seat 120 and the first mounting seat 110, respectively, and is located between the second mounting seat 120 and the first mounting seat 110. The second mounting seat 120 is abutted against the first mounting seat 110 by the elastic connection member 130.

The first mounting base 110 is provided with a first through hole 111; the adjusting member 140 includes a guide rod 141 and a driving rod 142, the guide rod 141 is connected to the first through hole 111 in a snap-fit manner, a second through hole 1411 is opened along an axial direction of the guide rod 141, and the driving rod 142 is slidably inserted through the second through hole 1411 and can move in a direction close to or far away from the second mounting base 120. In the prior art, a thread fine adjustment structure for threaded connection between the driving rod 142 and the hole wall of the second through hole 1411 is usually provided, and such a structure has a problem that a radial gap exists between the thread of the driving rod 142 and the threaded hole of the second through hole 1411, and by providing a sliding fit between the driving rod 142 and the second through hole 1411 instead of a hole shaft fit coupled by the threaded connection between the driving rod 142 and the second through hole 1411, the problem that a radial gap exists between the driving rod 142 and the second through hole 1411 is eliminated, when the driving rod 142 is driven in a direction close to or far away from the second mounting seat 120, no inclined disturbance is generated, and the guiding precision of the optical adjustment frame 100 is improved.

The driving rod 142 includes a sliding portion 1421 and a rotating portion 1422, one end of the sliding portion 1421 is fixedly connected to the rotating portion 1422, and the other end is inserted into the second through hole 1411 and can move in a direction close to or away from the second mounting base 120.

The outer surface of one end of the guide rod 141 close to the rotating portion 1422 is provided with a first thread 1412, one end of the rotating portion 1422 close to the guide rod 141 is provided with a first threaded hole 14221 along the axial direction thereof, the rotating portion 1422 is sleeved outside the guide rod 141, and the first thread 1412 is connected with a hole wall of the first threaded hole 14221. In this way, when the sliding engagement between the sliding portion 1421 and the second through hole 1411 eliminates the problem of the radial gap between the driving rod 142 and the second through hole 1411, even if the rotating portion 1422 and the guide rod 141 are screwed to drive them, no inclination disturbance occurs, and the guiding accuracy of the optical adjustment mount 100 is improved.

One end of the guide rod 141, which is far away from the rotating portion 1422, is provided with a limiting portion 1413, and when the guide rod 141 is installed in the first through hole 111, the limiting portion 1413 abuts against a side surface of the first installation base 110, which is close to the second installation base 120, to indicate that the guide rod 141 is installed in place.

In addition, the guide rod 141 is interference-fitted to the first through hole 111, and the sliding part 1421 is clearance-fitted to the second through hole 1411. With such a structure, on one hand, the first through hole 111, the guide rod 141, the driving rod 142 and the second through hole 1411 can be coaxially arranged, so that the guide precision is further improved; on the other hand, the guide rod 141 and the first through hole 111 are in interference fit to realize clamping, and the structure is simplified.

In this embodiment, the driving rod 142 further includes a screw 1423, one end of the sliding portion 1421 close to the rotating portion 1422 is axially provided with a second threaded hole 14211, one end of the rotating portion 1422 far from the guide rod 141 is axially provided with a fifth through hole 14222, the fifth through hole 14222 is communicated with the first threaded hole 14221, the sliding portion 1421 is inserted into the first threaded hole 14221, and the screw 1423 is inserted into the fifth through hole 14222 and then connected to a hole wall of the second threaded hole 14211. Such a structure realizes connection of the sliding part 1421 to the rotating part 1422.

When the rotating portion 1422 rotates clockwise or counterclockwise, the sliding portion 1421 is driven by the rotating portion 1422 to move toward or away from the second mounting base 120. In another embodiment, the fifth through hole may be a threaded hole, and a thread may be provided at a position corresponding to the sliding portion to connect the rotating portion and the sliding portion. In other embodiments, a fifth through hole may be further provided to be engaged with the sliding portion to connect the rotating portion and the sliding portion.

The number of the adjusting members 140 is multiple, the number of the first through holes 1411 is the same as that of the adjusting members 140, and each adjusting member 140 is correspondingly clamped in one first through hole 1411. In this embodiment, the number of the adjusting members 140 is three, the three adjusting members 140 are disposed on the first mounting base 110 in an L shape, and after the optical lens is fixed to the second mounting base 120, the optical lens is aligned with the focal point of the laser by the fine adjustment of the three adjusting members 140.

It is understood that the second mounting seat 120 is used for connecting an optical lens, and the optical lens is adhered to the second mounting seat 120 after the bottom of the optical lens is coated with adhesive, so that the optical lens is fixed with the second mounting seat 120. Thus, when the angle and position of the driving rod 142 driving the second mounting seat 120 are changed, the position of the optical lens is changed accordingly.

The fine adjustment process using the three adjustment members 140 is as follows:

the rotating part 1422 of one adjusting element 140 is adjusted clockwise or counterclockwise, so that the sliding part 1421 connected to the rotating part 1422 pushes the second mounting base 120 to tilt, and the focal point of the optical lens is moved, at this time, if the alignment degree with the focal point of the external laser is not enough, the focal points of the optical lens can be moved from different directions by adjusting the rotating parts 1422 of the other two adjusting elements 140 clockwise or counterclockwise, and thus the three rotating parts 1422 are repeatedly rotated until the focal point of the optical lens is aligned with the laser.

As shown in fig. 2 and 6, the second mounting seat 120 is preferably provided with a receiving groove 124, and the receiving groove 124 is formed to be recessed inward from a side of the second mounting seat 120 close to the first mounting seat 110. When the sliding portion 1421 moves toward the second mounting seat 120, one end of the sliding portion 1421 enters the receiving slot 124 and abuts against the bottom of the receiving slot 124, so that the sliding portion 1421 drives the second mounting seat 120 to move, and further drives the focal point of the optical lens fixed on the second mounting seat 120 to move.

The number of the receiving grooves 124 is the same as that of the adjusting members 140, and each adjusting member 140 is provided with one receiving groove 124. In this embodiment, the number of the receiving grooves 124 is three, and the shape and the depth of the three receiving grooves 124 are different, so that the optical adjustment frame 100 can be more stable when the angles of the optical lenses are adjusted by the three driving rods 142 respectively corresponding to the three receiving grooves 124.

In the present embodiment, a stopper 123 is further provided in one of the storage grooves 124.

The stopper 123 is fixed to the bottom of the housing groove 124, and preferably, the stopper 123 is fixed to the bottom of the housing groove 124 by an adhesive method.

One side of the stopper 123 close to the first mounting seat 110 is opened with a V-shaped opening, and the sliding portion 1421 abuts against the V-shaped opening of the stopper 123.

As shown in fig. 2, 4 and 5, the elastic connection member 130 includes an elastic portion 131, a first connection portion 132 and a second connection portion 133, two ends of the elastic portion 131 are respectively connected to the first connection portion 132 and the second connection portion 133, the first connection portion 132 is connected to the first mounting base 110, and the second connection portion 133 is connected to the second mounting base 120.

In the present embodiment, the elastic portion 131 is a spring, and the first connecting portion 132 and the second connecting portion 133 are both elongated connecting rods. In other embodiments, the elastic portion 131 may be a rubber band.

In this embodiment, the elastic connection member 130 includes two elastic portions 131, the two elastic portions 131 are respectively connected to two ends of the first connection portion 132, and correspondingly, the two elastic portions 131 are also respectively connected to two ends of the first connection portion 132. Such a structure may make the coupling structure of the second mount 120 and the first mount 110 more compact.

In the present embodiment, the number of the elastic connection members 130 is two, and the two elastic connection members 130 are respectively disposed between the two adjustment members 140. Such a structure may make the coupling structure of the second mount 120 and the first mount 110 more compact.

One side of the first mounting seat 110, which is far away from the second mounting seat 120, is recessed inwards to form a first groove 112, and a third through hole 113 which is formed along the direction close to the second mounting seat 120 is formed at the bottom of the first groove 112;

one side of the second mounting seat 120, which is far away from the first mounting seat 110, is recessed inwards to form a second groove 121, a fourth through hole 122 which is formed along a direction close to the first mounting seat 110 is arranged at the bottom of the second groove 121, and the third through hole 113 is communicated with the fourth through hole 122. Thus, the elastic portion 131 can be accommodated in the third through hole and the fourth through hole, and the integrity of the coupling structure of the second mounting base 120 and the first mounting base 110 can be improved.

The first connecting portion 132 is disposed in the first groove 112, the second connecting portion 133 is disposed in the second groove 121, and the elastic portion 131 is disposed in the third through hole 113 and the fourth through hole 122, and two ends of the elastic portion pull the first connecting portion 132 and the second connecting portion 133 tightly, so that the second mounting base 120 abuts against the first mounting base 110.

The present application further provides an optical platform including the optical adjustment frame 100 as described above, which has all the advantages of the optical adjustment frame 100 in any of the embodiments described above, and thus, the details are not repeated herein.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. An optical alignment frame, comprising:

the first mounting seat is provided with a first through hole;

a second mounting seat;

2. The optical adjustment frame of claim 1, wherein the driving rod comprises a sliding portion and a rotating portion, one end of the sliding portion is fixed to the rotating portion, and the other end of the sliding portion penetrates through the second through hole and can move in a direction close to or away from the second mounting base.

3. The optical adjustment frame of claim 2, wherein a first thread is disposed on an outer surface of one end of the guide rod close to the rotary portion, a first threaded hole is disposed on one end of the rotary portion close to the guide rod along an axial direction of the rotary portion, the rotary portion is sleeved outside the guide rod, and the first thread is connected to a hole wall of the first threaded hole.

4. The optical trim of claim 3, wherein the guide bar is in an interference fit with the first through hole and the slide is in a clearance fit with the second through hole.

5. The optical adjustment frame of claim 3, wherein the driving rod further includes a screw, a second threaded hole is formed in an end of the sliding portion close to the rotating portion along an axial direction of the sliding portion, a fifth through hole is formed in an end of the rotating portion away from the guide rod along the axial direction of the rotating portion, the fifth through hole is communicated with the first threaded hole, and the screw is inserted into the fifth through hole and then connected to a hole wall of the second threaded hole.

6. The optical adjustment frame according to any one of claims 2-5, wherein the number of the adjustment members is plural, the number of the first through holes is the same as the number of the adjustment members, and each of the adjustment members is correspondingly engaged with one of the first through holes.

7. The optical adjustment frame according to claim 1, wherein the elastic connection member comprises an elastic portion, a first connection portion and a second connection portion, two ends of the elastic portion are respectively connected to the first connection portion and the second connection portion, the first connection portion is connected to the first mounting seat, and the second connection portion is connected to the second mounting seat.

8. The optical adjusting rack according to claim 7, wherein a side of the first mounting seat away from the second mounting seat is recessed inward to form a first groove, and a bottom of the first groove is provided with a third through hole opened in a direction close to the second mounting seat;

9. The optical adjustment frame of claim 8, wherein the first connecting portion is disposed in the first groove, the second connecting portion is disposed in the second groove, the elastic portion is disposed in the third through hole and the fourth through hole, and two ends of the elastic portion tighten the first connecting portion and the second connecting portion.

10. An optical bench comprising an optical alignment stand according to any of claims 1-9.