CN115097592B - Lens angle adjusting device - Google Patents
Lens angle adjusting device Download PDFInfo
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- CN115097592B CN115097592B CN202210892705.3A CN202210892705A CN115097592B CN 115097592 B CN115097592 B CN 115097592B CN 202210892705 A CN202210892705 A CN 202210892705A CN 115097592 B CN115097592 B CN 115097592B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/198—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors with means for adjusting the mirror relative to its support
Abstract
The invention provides a lens angle adjusting device, relates to the technical field of angle adjusting tools, and is designed for solving the problem that the existing method for adjusting the angle of a reflector is poor in precision. The lens angle adjusting device comprises an adjusting assembly, wherein the adjusting assembly comprises a fixed base and a driving piece movably arranged on the fixed base, the moving direction of the driving piece forms an angle with a set axis, the fixed base is used for being arranged on an equipment base, and a limiting structure used for limiting the relative rotation of the fixed base and the equipment base around the set axis is arranged between the fixed base and the equipment base; the driving piece can be in transmission connection with the lens support and is used for driving the lens support to rotate relative to the equipment base, and the driving piece can be fixed on the fixed base after being moved to any position. The invention can improve the precision of adjusting the angle of the reflector.
Description
Technical Field
The invention relates to the technical field of angle adjusting tools, in particular to a lens angle adjusting device.
Background
The rapid development of lidar technology has led to the participation of lidar in many areas of life, such as: the field of unmanned vehicle driving. The laser radar is a system integrating three technologies of laser, a global positioning system and an inertial measurement device, is used for acquiring data and generating an accurate digital elevation model, and can acquire a large amount of position information and establish a three-dimensional model within one second. At present, laser radar is increasingly applied in the field of unmanned vehicle driving, higher requirements are provided for laser radar, the laser radar is required to be capable of quickly acquiring position information of an obstacle, the occupied space is small, the size is light, and the laser radar is easy to install on a vehicle body.
The reflector of the existing laser radar cannot be installed successfully at one time, and the angle of the reflector is usually required to be adjusted for many times according to the light path direction of light. However, the existing method for adjusting the angle of the reflector has poor precision.
Disclosure of Invention
The invention aims to provide a lens angle adjusting device to solve the technical problem that the existing method for adjusting the angle of a reflector is poor in precision.
The invention provides a lens angle adjusting device, which is used for adjusting the angle of a lens support, wherein the lens support is rotatably arranged on an equipment base around a set axis and is configured to fix a lens; the lens angle adjusting device comprises an adjusting assembly, the adjusting assembly comprises a fixed base and a driving piece movably arranged on the fixed base, the moving direction of the driving piece forms an angle with the set axis, the fixed base is used for being arranged on the equipment base, and a limiting structure used for limiting the fixed base and the equipment base to rotate relatively around the set axis is arranged between the fixed base and the equipment base; the driving part can be in transmission connection with the lens support and is used for driving the lens support to rotate relative to the equipment base, and the driving part can be fixed on the fixed base after moving to any position.
Further, one of the driving member and the lens support is provided with a groove, the other of the driving member and the lens support is provided with a spherical surface, the groove has two side walls extending along the set axis direction, and the spherical surface is used for being matched with the two side walls.
Furthermore, the groove is arranged on the driving piece and penetrates through the driving piece along the direction of the set axis.
Further, the lens support is detachably provided with a sphere, the spherical surface is formed on the surface of the sphere, and the sphere is located on the surface of the lens support, which is far away from the lens.
Further, the sphere is fixedly provided with a connecting rod, the connecting rod is provided with a thread section, the lens support is provided with a threaded hole, and the connecting rod is in threaded connection with the threaded hole through the thread section.
Furthermore, the driving part comprises a sliding block, the sliding block is used for being in transmission connection with the lens bracket, and a guide structure for guiding the sliding block to move is arranged between the sliding block and the fixed base; the adjusting assembly further comprises a power input component, the power input component comprises a screw rod and a transmission screw hole, the screw rod is mounted on the fixing base, and the position of the screw rod along the length direction of the screw rod is fixed relative to the fixing base; the transmission screw hole is formed in the sliding block, the axis of the transmission screw hole extends along the moving direction of the sliding block, and the screw rod is in spiral fit with the transmission screw hole.
Further, unable adjustment base includes along the relative just interval first lateral wall and the second lateral wall that sets up of moving direction of slider, and fixed connection in first lateral wall with support wall between the second lateral wall, the slider is located first lateral wall with between the second lateral wall, guide structure set up in the slider with between the support wall, wherein, first hole relative with the transmission screw has been seted up to first lateral wall, second hole relative with the transmission screw has been seted up to the second lateral wall, first hole with the second hole is the unthreaded hole, the lead screw passes in proper order first hole, the transmission screw with the second hole, just the lead screw is close to the fixed knob that is provided with of one end of first lateral wall, the lead screw is close to the one end of second lateral wall is fixed and is provided with the stopper, unable adjustment base is located between the knob with the stopper, just the knob with first lateral wall butt, the stopper with second lateral wall butt.
Furthermore, the support wall comprises a vertical wall and a horizontal wall which are connected in an L shape, a notch is formed in the surface, facing the horizontal wall, of the sliding block, the notch penetrates through the sliding block along the direction departing from the lens support, and the notch is in sliding fit with the horizontal wall to form the guide structure.
Further, the fixed card strip that is provided with of equipment base, unable adjustment base fixedly connected with jack catch, the jack catch with card strip joint cooperation forms limit structure.
Furthermore, the equipment base is fixedly provided with a lens supporting seat, the lens supporting seat is provided with a positioning hole and a fixing hole, the lens support is provided with a positioning column and a connecting hole, the axis of the positioning hole extends along the direction of the set axis, and the positioning column is in rotating fit with the positioning hole; the fixing hole is a threaded hole, the connecting hole is a through hole, the aperture of the connecting hole is larger than that of the threaded hole, and a connecting screw can penetrate through the connecting hole and is screwed and fixed to the fixing hole.
The lens angle adjusting device has the beneficial effects that:
when the angle of the lens needs to be adjusted, the fixed base can be matched with the equipment base through the limiting structure to limit the degree of freedom of the fixed base rotating around the set axis relative to the equipment base; meanwhile, the driving part is in transmission connection with the lens support, and the lens support rotates relative to the equipment base by utilizing the movement of the driving part relative to the fixed base, namely: rotating the lens holder on the apparatus chassis about a set axis; at lens support pivoted in-process, the lens that is fixed in the lens support will rotate thereupon, and when the lens followed the lens support and rotated to required angle, the driving piece will keep in fixed state for unable adjustment base, no longer removes, at this moment, can be fixed in the equipment base with the lens support to reach the fixed purpose of lens under this angle. Specifically, the lens may be a reflective mirror of a laser radar.
Through setting up above-mentioned lens angle adjusting device, can realize the effective regulation to the lens angle, and because the driving piece realizes the regulation to the lens angle through removing the process for the accommodation process to the lens angle is infinitely variable control, thereby can obtain the arbitrary angle of lens in the journey scope, and is higher to the regulation precision of lens. Moreover, the driving part can be fixed on the fixed base after being moved to any position, so that the lens can be kept at the current angle position, and the lens is convenient to fix.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a lens angle adjustment device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of an adjusting assembly of the lens angle adjusting device according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of a lens holder used in conjunction with a lens angle adjustment apparatus provided in an embodiment of the present invention;
FIG. 5 is a schematic structural view of a fixing base of the lens angle adjusting apparatus according to the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an apparatus base of the lidar;
FIG. 7 is an enlarged view of a portion of the structure shown at B in FIG. 6;
fig. 8 is a schematic view illustrating an adjustment principle of the lens angle adjusting device according to an embodiment of the present invention.
Description of reference numerals:
100-a lens holder; 200-an equipment base; 300-an adjustment assembly; 400-a limit structure; 500-a mirror;
110-sphere; 120-a connecting rod; 130-a positioning column; 140-connecting hole;
210-a card bar; 220-a lens support; 221-positioning holes; 222-a fixation hole; 223-inclined plane;
310-a stationary base; 311-a first side wall; 312-a second sidewall; 313-a support wall; 314-vertical walls; 315-horizontal wall; 316-a first aperture; 317-a second hole; 320-a drive member; 321-a groove; 330-a power input component; 331-a screw rod; 332-transmission screw holes; 333-knob; 334-a stop block; 340-jaws.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Fig. 1 is a schematic view of a lens angle adjusting device according to this embodiment, fig. 2 is an enlarged view of a portion a in fig. 1, and fig. 3 is a schematic view of an adjusting assembly 300 of the lens angle adjusting device according to this embodiment. As shown in fig. 1 to 3, the present embodiment provides a lens angle adjusting device for adjusting an angle of a lens holder 100, wherein the lens holder 100 is rotatably disposed on an apparatus chassis 200 around a set axis, and the lens holder 100 is configured to fix a lens; the lens angle adjusting device includes an adjusting assembly 300, wherein the adjusting assembly 300 includes a fixed base 310 and a driving member 320 movably disposed on the fixed base 310, and a moving direction of the driving member 320 forms an angle with a set axis. Specifically, the fixed base 310 is used for being installed on the apparatus base 200, and a limiting structure 400 for limiting the relative rotation of the fixed base 310 and the apparatus base 200 around a set axis is arranged between the fixed base and the apparatus base; the driving member 320 can be in transmission connection with the lens holder 100 for driving the lens holder 100 to rotate relative to the apparatus base 200, and the driving member 320 can be fixed on the fixing base 310 after moving to any position.
When the angle of the lens needs to be adjusted, the fixed base 310 may be first matched with the apparatus base 200 through the limiting structure 400, so as to limit the degree of freedom of the fixed base 310 rotating around the set axis relative to the apparatus base 200; at the same time, the driving member 320 is in transmission connection with the lens holder 100, and the lens holder 100 is rotated relative to the apparatus base 200 by the movement of the driving member 320 relative to the fixed base 310, that is: rotating the lens carrier 100 on the apparatus chassis 200 about a set axis; in the process of rotating the lens support 100, the lens fixed on the lens support 100 will rotate along with the lens support, and when the lens rotates to a desired angle along with the lens support 100, the driving member 320 will remain in a fixed state relative to the fixing base 310 and will not move any more, at this time, the lens support 100 can be fixed on the equipment base 200, so as to achieve the purpose of fixing the lens at the angle. Specifically, the lens may be a reflective mirror 500 of a laser radar.
Through setting up above-mentioned lens angle adjusting device, can realize the effective regulation to the lens angle, and because driving piece 320 realizes the regulation to the lens angle through removing the process for the accommodation process to the lens angle is infinitely variable control, thereby can obtain the arbitrary angle of lens in the journey scope, and is higher to the regulation precision of lens. Moreover, since the driving member 320 can be fixed to the fixing base 310 after being moved to any position, the lens can be kept at the current angular position, which facilitates the fixing of the lens.
Fig. 4 is a schematic structural diagram of a lens holder 100 used in cooperation with the lens angle adjusting apparatus provided in the present embodiment. Referring to fig. 1 to fig. 3 and fig. 4, in the present embodiment, the driving member 320 is provided with a groove 321, and the lens holder 100 is provided with a spherical surface, wherein the groove 321 has two sidewalls extending along the set axis direction, and the spherical surface is used for being matched with the two sidewalls.
When the angle of the lens needs to be adjusted, the spherical surface of the lens support 100 is clamped into the groove 321 formed in the driving member 320; then, the driving member 320 moves relative to the fixing base 310, and in the moving process of the driving member 320, the groove 321 is matched with the spherical surface by abutting two side walls of the groove, so that the lens support 100 rotates, and in the process, the lens rotates synchronously along with the lens support 100, so that the purpose of adjusting the angle of the lens is achieved.
The arrangement form of realizing the power transmission from the driving part 320 to the lens support 100 by utilizing the matching of the groove 321 and the spherical surface not only can realize the effective driving of the lens support 100 and ensure the angle adjusting precision of the lens support 100, but also has simple structure and easy realization.
In other embodiments, the spherical surface may be disposed on the driving member 320, and the groove 321 may be disposed on the lens holder 100, and the groove 321 and the spherical surface are also engaged to drive the lens holder 100 to rotate.
Referring to fig. 3, in the present embodiment, the groove 321 penetrates the driving member 320 along the direction of the set axis. By arranging the groove 321 as a through groove, when the adjusting assembly 300 is installed, the adjusting assembly 300 can be directly sleeved into the spherical surface along the direction of the set axis, so that the driving member 320 can be conveniently connected with the lens holder 100 in a transmission manner.
Referring to fig. 4, in the present embodiment, the lens holder 100 is detachably mounted with the sphere 110, the surface of the sphere 110 forms the spherical surface, and the sphere 110 is located on a surface of the lens holder 100 facing away from the lens.
Through utilizing the surface formation sphere of spheroid 110, the processing manufacturing of the sphere of being convenient for, moreover, through setting up spheroid 110 to can dismantle fixed connection with lens support 100, still make after the completion is operated the regulation of lens support 100 angle, can dismantle spheroid 110 from current lens support 100, install again to next lens support 100 that needs angle regulation, through the reuse to spheroid 110, realize the regulation of a plurality of lens support 100 angles, reduce this embodiment lens angle adjusting device's cost.
In addition, through setting up the one side that deviates from the lens with spheroid 110 lens support 100 for lens support 100 is used for the surface of being connected with driving piece 320 transmission, and the surface that is used for fixed lens with lens support 100 is two surfaces that carry on the back mutually for it, thereby makes the angle accommodation process can not cause the interference of colliding with to the lens, and then reduces the damage that avoids this in-process lens to receive even.
Referring to fig. 4, in the present embodiment, the sphere 110 is fixedly provided with a connecting rod 120, specifically, the connecting rod 120 is provided with a threaded section, the lens support 100 is provided with a threaded hole, and the connecting rod 120 is connected to the threaded hole through the threaded section.
When the sphere 110 needs to be connected to the lens support 100, the threaded section of the connecting rod 120 is only required to be screwed into the threaded hole formed in the lens support 100; when the ball 110 needs to be removed from the lens holder 100, the ball 110 can be removed by rotating the ball 110 in the direction opposite to the screwing direction. The connecting mode can realize quick and quick disassembly and assembly of the ball body 110, and is convenient to use.
Specifically, in this embodiment, the ball 110 is provided with a jack, and the connecting rod 120 is inserted into the jack and fixed to the hole wall of the jack by glue.
Fig. 5 is a schematic structural diagram of a fixing base 310 of the lens angle adjusting device provided in this embodiment. With reference to fig. 3 and fig. 5, in the present embodiment, the driving member 320 includes a sliding block, the sliding block is used for being in transmission connection with the lens support 100, and a guiding structure for guiding the sliding block to move is disposed between the sliding block and the fixed base 310; the adjusting assembly 300 further comprises a power input part 330, the power input part 330 comprises a screw 331 and a transmission screw hole 332, the screw 331 is mounted on the fixing base 310, and the position of the screw 331 along the length direction thereof is fixed relative to the fixing base 310; the transmission screw hole 332 is formed in the slider, an axis of the transmission screw hole 332 extends in a moving direction of the slider, and the lead screw 331 is in threaded engagement with the transmission screw hole 332.
When the angle of the lens needs to be adjusted, the screw rod 331 can be rotated, and under the screw cooperation effect of the screw rod 331 and the transmission screw hole 332 of the slider and the guiding effect of the guiding structure, the screw transmission of the screw rod 331 is converted into linear feeding of the slider, so that the slider moves relative to the fixed base 310. When the slider is required to move in the opposite direction, the slider can move in the other direction only by changing the rotation direction of the screw 331. When the lens holder 100 is adjusted to the desired angle, the rotation of the screw 331 is stopped, and at this time, the slider will be kept at the current position, so as to position the lens holder 100 at the angle, so as to fix the lens holder 100 at the angle position.
This form of adjusting the angle of the lens holder 100 not only can ensure the adjustment accuracy of the lens holder 100, but also is convenient to operate.
With reference to fig. 3 and fig. 5, in the present embodiment, the fixed base 310 includes a first sidewall 311 and a second sidewall 312 opposite to each other and spaced apart from each other along the moving direction of the slider, and a supporting wall 313 fixedly connected between the first sidewall 311 and the second sidewall 312, specifically, the slider is located between the first sidewall 311 and the second sidewall 312, and the guiding structure is disposed between the slider and the supporting wall 313; the first side wall 311 is provided with a first hole 316 opposite to the transmission screw hole 332, the second side wall 312 is provided with a second hole 317 opposite to the transmission screw hole 332, the first hole 316 and the second hole 317 are both light holes, the screw rod 331 sequentially passes through the first hole 316, the transmission screw hole 332 and the second hole 317, one end of the screw rod 331 adjacent to the first side wall 311 is fixedly provided with a knob 333, one end of the screw rod 331 adjacent to the second side wall 312 is fixedly provided with a limit block 334, the fixed base 310 is located between the knob 333 and the limit block 334, the knob 333 is abutted to the first side wall 311, and the limit block 334 is abutted to the second side wall 312.
The arrangement of the knob 333 provides an effective force application point for the lead screw 331, which is convenient for the worker to rotate the lead screw 331. By limiting the fixing base 310 between the knob 333 and the limiting block 334, the position of the screw 331 along the length direction thereof can be fixed, and the screw 331 is prevented from being separated from the fixing base 310.
Specifically, in this embodiment, the limiting block 334 is connected to the end of the lead screw 331 through a screw thread, so as to achieve fixation relative to the lead screw 331.
With continued reference to fig. 3 and 5, in the present embodiment, the supporting wall 313 includes a vertical wall 314 and a horizontal wall 315 connected in an L shape, specifically, a surface of the sliding block facing the horizontal wall 315 is provided with a notch, and the notch penetrates through the sliding block along a direction departing from the lens support 100, and the notch and the horizontal wall 315 are in sliding fit to form a guiding structure.
With the arrangement, sliding fit between the sliding block and the supporting wall 313 is realized, and the structural strength of the fixing base 310 is higher, so that the service life of the adjusting assembly 300 is prolonged.
In this embodiment, the surface of the slider facing away from the lens holder 100 is in sliding engagement with the vertical wall 314.
Fig. 6 is a schematic structural view of an apparatus base 200 of the lidar, and fig. 7 is an enlarged view of a portion at B in fig. 6. Referring to fig. 1 and fig. 2 in combination with fig. 6 and fig. 7, in the present embodiment, the apparatus base 200 is fixedly provided with a lens support base 220, the lens support base 220 is provided with a positioning hole 221 and a fixing hole 222, and in combination with fig. 4, the lens support 100 is provided with a positioning column 130 and a connecting hole 140. Wherein, the hole axis of the positioning hole 221 extends along the direction of the set axis, and the positioning column 130 is in rotational fit with the positioning hole 221; the fixing hole 222 is a threaded hole, the connection hole 140 is a through hole, the aperture of the connection hole 140 is larger than that of the threaded hole, and a connection screw can penetrate through the connection hole 140 and is screwed and fixed to the fixing hole 222.
During the process of adjusting the rotation angle of the lens holder 100 by using the adjusting assembly 300, the positioning column 130 is always inserted into the positioning hole 221 and rotates around the set axis in the positioning hole 221; when the lens holder 100 is rotated to a desired angle, the lens holder 100 can be fixed by inserting the connection screw through the connection hole 140 and screwing the connection screw into the screw hole, so that the lens holder 100 is stably disposed on the apparatus chassis 200. The arrangement form in which the aperture of the connecting hole 140 is larger than that of the threaded hole provides a margin for the angle adjustment of the lens holder 100, so that the connecting screw can still pass through the connecting hole 140 and be screwed and fixed in the fixing hole 222 after the lens holder 100 rotates by a certain angle around the set axis.
The form of the positioning column 130 and the positioning hole 221, on one hand, provides a pre-positioning for the installation process of the lens support 100, which facilitates the fast assembly of the lens support 100 and the lens supporting seat 220, and on the other hand, provides a rotational degree of freedom for the lens support 100, which facilitates the angle adjustment of the lens support 100 relative to the equipment base 200. In addition, the lens support 100 is fixed on the lens support base 220 by the connecting screws, which not only ensures reliable connection and ensures the stability of the lens support 100 fixed on the equipment base 200, but also facilitates the unlocking when the angle needs to be adjusted.
In this embodiment, the lens supporting base 220 has two fixing holes 222, and the two fixing holes 222 are distributed, and correspondingly, the lens support 100 has two connecting holes 140, and the two connecting holes 140 correspond to the two fixing holes 222 one to one. So set up, can further improve the reliability of being connected of lens support 100 and lens supporting seat 220.
Referring to fig. 7, in the present embodiment, the bearing surface of the lens supporting base 220 is a bevel 223, and the lens holder 100 is mounted on the bevel 223. The inclined surface 223 is used to mount the lens holder 100 in a posture forming a certain angle with the horizontal direction, thereby satisfying the requirements of the incident and exit angles of the lens.
In the present embodiment, the setting axis is perpendicular to the inclined surface 223, that is, the setting axis extends in a normal direction of the inclined surface 223.
Referring to fig. 6 and 7, in the present embodiment, the apparatus base 200 is fixedly provided with a clamping strip 210. Specifically, the card bar 210 is disposed at a lower end of the slope 223. Through setting up card strip 210, can realize spacing further of lens support 100, prevent that lens support 100 from sliding off on inclined plane 223.
Referring to fig. 2, fig. 3 and fig. 5, in the present embodiment, the fixing base 310 is fixedly provided with a claw 340, wherein the claw 340 is in clamping fit with the clamping strip 210 to form a limiting structure 400. The limiting structure 400 effectively utilizes the clamping strip 210 fixed on the equipment base 200, and has small modification on the equipment base 200.
Fig. 8 is a schematic view illustrating an adjustment principle of the lens angle adjusting device according to the present embodiment. The angle adjustment of the mirror 500 by the lens angle adjustment device is taken as an example for explanation, as shown in fig. 8, in the working process of the laser radar, the light emitted by the transceiver module is reflected by the mirror 500 and then emitted to the MEMS galvanometer, and the angle of the mirror 500 is adjusted by the lens angle adjustment device, so that the light can be ensured to be accurately emitted to the MEMS galvanometer and received by the MEMS galvanometer.
The lens angle adjusting apparatus of the present embodiment operates as follows.
When the angle of the reflective mirror 500 needs to be adjusted, the screw 331 is rotated, and the driving member 320 moves along the length direction of the screw 331 in the rotating process of the screw 331; in the process of moving the driving member 320, under the matching action of the groove 321 and the sphere 110, the lens holder 100 is driven to rotate with the positioning column 130 as a rotation axis; when the position of the reflective mirror 500 is such that the light emitted from the transceiver module strikes the target surface of the MEMS galvanometer, the lens holder 100 is fixed to the lens holder 220 by using the connection screws.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
In the above embodiments, the description of the orientation such as "side" is based on the drawings.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A lens angle adjusting apparatus for adjusting an angle of a lens holder (100), the lens holder (100) being rotatably provided to an apparatus chassis (200) about a set axis, the lens holder (100) being configured to fix a lens; the lens angle adjusting device comprises an adjusting component (300), wherein the adjusting component (300) comprises a fixed base (310) and a driving piece (320) movably arranged on the fixed base (310), the moving direction of the driving piece (320) forms an angle with the set axis, the fixed base (310) is used for being installed on the equipment base (200), and a limiting structure (400) used for limiting the fixed base (310) and the equipment base (200) to rotate relatively around the set axis is arranged between the fixed base (310) and the equipment base (200); the driving piece (320) can be in transmission connection with the lens support (100) and is used for driving the lens support (100) to rotate relative to the equipment base (200), and the driving piece (320) can be fixed on the fixed base (310) after being moved to any position;
the driving piece (320) comprises a sliding block, the sliding block is used for being in transmission connection with the lens support (100), and a guide structure used for guiding the sliding block to move is arranged between the sliding block and the fixed base (310); the adjusting assembly (300) further comprises a power input part (330), the power input part (330) comprises a screw rod (331) and a transmission screw hole (332), the screw rod (331) is installed on the fixed base (310), and the position of the screw rod (331) along the length direction of the screw rod is fixed relative to the fixed base (310); the transmission screw hole (332) is formed in the sliding block, the axis of the transmission screw hole (332) extends along the moving direction of the sliding block, and the screw rod (331) is in threaded fit with the transmission screw hole (332);
the fixed base (310) comprises a first side wall (311) and a second side wall (312) which are opposite and spaced along the moving direction of the sliding block, and a support wall (313) fixedly connected between the first side wall (311) and the second side wall (312), the slider being located between the first side wall (311) and the second side wall (312), the guide structure being disposed between the slider and the support wall (313), wherein the first side wall (311) is provided with a first hole (316) opposite to the transmission screw hole (332), the second side wall (312) is provided with a second hole (317) opposite to the transmission screw hole (332), the first hole (316) and the second hole (317) are both light holes, the screw rod (331) sequentially passes through the first hole (316), the transmission screw hole (332) and the second hole (317), and one end of the screw rod (331) adjacent to the first side wall (311) is fixedly provided with a knob (333), one end of the screw rod (331) adjacent to the second side wall (312) is fixedly provided with a limit block (334), the fixed base (310) is positioned between the knob (333) and the limit block (334), and the knob (333) abuts against the first side wall (311), the stop block (334) abuts the second sidewall (312);
the support wall (313) comprises a vertical wall (314) and a horizontal wall (315) which are connected in an L shape, a notch is formed in the surface, facing the horizontal wall (315), of the sliding block, the notch penetrates through the sliding block along the direction departing from the lens support (100), and the notch is in sliding fit with the horizontal wall (315) to form the guide structure.
2. Lens angle adjustment device according to claim 1, characterized in that one of the drive member (320) and the lens holder (100) is provided with a groove (321), and the other of the drive member (320) and the lens holder (100) is provided with a spherical surface, the groove (321) having two side walls extending in the direction of the set axis, the spherical surface being adapted to cooperate with the two side walls.
3. Lens angle adjustment device according to claim 2, characterized in that the groove (321) opens into the driver (320) and the groove (321) extends through the driver (320) in the direction of the setting axis.
4. Lens angle adjustment device according to claim 3, characterized in that the lens holder (100) is detachably mounted with a sphere (110), the surface of the sphere (110) forming the spherical surface, and the sphere (110) being located at the side of the lens holder (100) facing away from the lens.
5. The lens angle adjusting apparatus of claim 4, wherein the ball (110) is fixedly provided with a connecting rod (120), the connecting rod (120) is provided with a threaded section, the lens holder (100) is provided with a threaded hole, and the connecting rod (120) is in threaded connection with the threaded hole through the threaded section.
6. The lens angle adjusting device of any one of claims 1 to 5, wherein a clamping strip (210) is fixedly arranged on the apparatus base (200), a clamping jaw (340) is fixedly connected to the fixing base (310), and the clamping jaw (340) is in clamping fit with the clamping strip (210) to form the limiting structure (400).
7. The lens angle adjusting device according to any one of claims 1 to 5, wherein the apparatus chassis (200) is fixedly provided with a lens supporting base (220), the lens supporting base (220) is provided with a positioning hole (221) and a fixing hole (222), the lens bracket (100) is provided with a positioning column (130) and a connecting hole (140), wherein a hole axis of the positioning hole (221) extends along the direction of the set axis, and the positioning column (130) is rotatably engaged with the positioning hole (221); the fixing hole (222) is a threaded hole, the connecting hole (140) is a through hole, the aperture of the connecting hole (140) is larger than that of the threaded hole, and a connecting screw can penetrate through the connecting hole (140) and is screwed and fixed to the fixing hole (222).
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| CN202210892705.3A CN115097592B (en) | 2022-07-27 | 2022-07-27 | Lens angle adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210892705.3A CN115097592B (en) | 2022-07-27 | 2022-07-27 | Lens angle adjusting device |
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| CN115097592A CN115097592A (en) | 2022-09-23 |
| CN115097592B true CN115097592B (en) | 2022-12-02 |
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| CN202210892705.3A Active CN115097592B (en) | 2022-07-27 | 2022-07-27 | Lens angle adjusting device |
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| CN116499504A (en) * | 2023-03-16 | 2023-07-28 | 深圳市志奋领科技有限公司 | Photoelectric sensor capable of adjusting lens angle and device |
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| CN115097592A (en) | 2022-09-23 |
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