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CN-224232044-U - Optical path switching device and optical equipment

CN224232044UCN 224232044 UCN224232044 UCN 224232044UCN-224232044-U

Abstract

The utility model relates to the technical field of light path switching, in particular to a light path switching device and optical equipment, which comprise a guide mechanism, a sliding mechanism and an adapter, wherein the sliding mechanism comprises a guide main body provided with a guide concave cavity and a magnetic matching component fixedly arranged on the bottom wall of the guide concave cavity; the sliding mechanism comprises a magnetic component and a sliding block component with a containing cavity, wherein the magnetic component is embedded in the containing cavity and magnetically coupled with the magnetic matching component, the sliding block component is slidably connected with the guiding cavity, the adapter is provided with an optical component installation position for connecting the optical component, the adapter is fixedly connected with the sliding block component and is positioned on one side of the sliding block component, which is far away from the guiding cavity, and the magnetic component can be driven by the magnetic matching component to drive the sliding block component to slide in the guiding cavity so as to drive the adapter to perform linear motion relative to the guiding main body. The utility model can avoid the deformation of the motor while meeting the displacement precision and realize the centralized protection of the wire harness. The utility model can effectively reduce the driving abrasion, carrying vibration and noise.

Inventors

  • HU XIAJUN
  • QIAO HONGZHEN

Assignees

  • 托托科技(苏州)有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (18)

  1. 1. An optical path switching device applied to an optical apparatus including an optical component (3), characterized by comprising: The guide mechanism (11) comprises a guide main body (111) provided with a guide concave cavity (112) and a magnetic matching assembly (113) fixedly arranged on the bottom wall of the guide concave cavity (112); The sliding mechanism (12) comprises a magnetic component (121) and a sliding block component (122) with a containing cavity (122 a), the magnetic component (121) is embedded in the containing cavity (122 a) and is magnetically coupled with the magnetic matching component (113), and the sliding block component (122) is slidably connected with the guide concave cavity (112); The adapter piece (13) is provided with an optical component mounting position (131) for connecting the optical component (3), the adapter piece (13) is fixedly connected with the sliding block component (122) and is positioned on one side of the sliding block component (122) which is away from the guide concave cavity (112), and the magnetic component (121) can be driven by the magnetic matching component (113) to drive the sliding block component (122) to slide in the guide concave cavity (112), so that the adapter piece (13) is driven to perform linear motion relative to the guide main body (111).
  2. 2. The optical path switching apparatus according to claim 1, wherein the accommodation chamber (122 a) has an accommodation chamber opening toward the magnetic engagement member (113), and one side of the magnetic member (121) is exposed to the accommodation chamber opening and disposed opposite to the magnetic engagement member (113).
  3. 3. The optical path switching device according to claim 1, wherein the magnetic engagement assembly (113) comprises at least one magnetic element (113 a), the number of magnetic elements (113 a) in the magnetic engagement assembly (113) being positively correlated with the effective travel of the magnetic assembly (121).
  4. 4. A light path switching device according to claim 3, wherein the magnetic engagement assembly (113) comprises at least two magnetic elements (113 a), each magnetic element (113 a) being distributed in an array to limit the effective travel of the magnetic assembly (121) in the direction of linear movement of the adapter (13).
  5. 5. The optical path switching apparatus according to claim 1, wherein, The magnetic assembly (121) comprises a magnetic core body and a first electromagnetic piece, the first electromagnetic piece is wound on the magnetic core body, and in the electrified state of the first electromagnetic piece, the magnetic assembly (121) is electromagnetically coupled with the magnetic matching assembly (113); Or alternatively The magnetic assembly (121) includes a second electromagnetic member that is electromagnetically coupled to the magnetic mating assembly (113).
  6. 6. The optical path switching device according to claim 1, wherein one of a side wall of the guide cavity (112) and the slider assembly (122) is provided with a guide chute (114), the other of the side wall of the guide cavity (112) and the slider assembly (122) is provided with a guide protrusion (122 b) slidably fitted with the guide chute (114), and the slider assembly (122) is slidably connected with the side wall of the guide cavity (112) through the guide chute (114) and the guide protrusion (122 b).
  7. 7. The optical path switching apparatus according to claim 6, wherein the slider assembly (122) includes a slider (122 c) and an end cap (122 d) fixedly connected to the slider (122 c), the slider (122 c) is fixedly connected to the adapter (13), and the end cap (122 d) is located on at least one side in a sliding direction of the slider (122 c); At least one side of the end cap (122 d) is provided with the guide chute (114) or the guide protrusion (122 b) to slidably engage with at least one side wall of the guide cavity (112).
  8. 8. The optical path switching apparatus according to any one of claims 1 to 7, wherein the optical path switching apparatus (1) further comprises: and the reinforcement piece (14) is positioned on at least one side of the sliding direction of the sliding block assembly (122) and is fixedly connected with the sliding block assembly (122).
  9. 9. The optical path switching apparatus according to claim 8, wherein the optical path switching apparatus (1) further comprises: And a buffer member (15) located on the side surface of the reinforcement member (14), wherein when the slider assembly (122) moves to a limit position relative to the guide main body (111), the slider assembly (122) is spaced from the abutment position of the limit position by the buffer member (15).
  10. 10. The optical path switching apparatus according to any one of claims 1 to 7, wherein the optical path switching apparatus (1) further comprises: The support (16) comprises a support side plate (161), a support back plate (162) and a support bottom plate (163), wherein the support side plate (161), the support back plate (162) and the support bottom plate (163) enclose to form a support cavity (164), the guide main body (111) is fixedly arranged in the support cavity (164), and the support side plate (161) can limit the sliding stroke of the sliding block assembly (122).
  11. 11. The light path switching device according to claim 10, wherein the light path switching device (1) further comprises a harness receiving assembly (17) located in the bracket cavity (164) and disposed adjacent to the guide body (111); The wire harness accommodating assembly (17) comprises a deformable wire harness protective sleeve (171), a movable end connecting piece (172) and a fixed end connecting piece (173), the wire harness protective sleeve (171) is provided with a wire harness accommodating cavity with two open ends, the movable end of the wire harness protective sleeve (171) is fixedly connected with the adapter piece (13) through the movable end connecting piece (172), and the fixed end of the wire harness protective sleeve (171) is fixedly connected with the bracket (16) through the fixed end connecting piece (173); the movable end of the wire harness protective sleeve (171) can move along with the adapter piece (13), and the wire harness protective sleeve (171) can deform in the moving process of the movable end.
  12. 12. The optical path switching device according to claim 11, wherein the bracket (16) is provided with an outlet (165), the outlet (165) is disposed adjacent to the fixed end of the wire harness protective sleeve (171), and the wire harness (21) is led out through the outlet (165) after being extended out through the opening of the fixed end of the wire harness protective sleeve (171).
  13. 13. The optical path switching apparatus according to any one of claims 1 to 7, wherein the optical path switching apparatus (1) further comprises: The detection assembly (18) comprises a reading head (181), a grating ruler (182) and a reading head fixing seat (183), wherein the grating ruler (182) is matched with the reading head (181), the reading head (181) is fixedly connected with the adapter (13) through the reading head fixing seat (183), the grating ruler (182) is fixedly arranged on the outer wall of the guide main body (111), and the reading head (181) can move along with the adapter (13) to generate relative displacement with the grating ruler (182).
  14. 14. The optical path switching apparatus according to claim 13, wherein a space is provided between the harness accommodation assembly (17) and the guide body (111), and the side end of the adapter (13) extends toward the space after extending out of the guide body (111); The reading head (181) is located in the inner cavity interval and fixedly connected with one side, facing the support backboard (162), of the adapter (13), and the grating ruler (182) is located on the outer side wall, facing the wire harness accommodating assembly (17), of the guide main body (111).
  15. 15. The optical path switching apparatus according to any one of claims 1 to 7, wherein the optical path switching apparatus (1) further comprises: Dustproof subassembly (19), cover slider subassembly (122) with the junction of direction main part (111), dustproof subassembly (19) include dustproof stiff end (191) and dustproof soft end (192), dustproof stiff end (191) with slider subassembly (122) fixed connection, dustproof soft end (192) with the laminating of direction main part (111).
  16. 16. The optical path switching apparatus according to any one of claims 1 to 7, wherein the optical path switching apparatus (1) further comprises: And the transport fixing plate (20) is detachably and fixedly connected with the adapter piece (13) and can limit the relative movement between the sliding block assembly (122) and the guide main body (111).
  17. 17. The optical path switching apparatus according to claim 16, wherein one end of the transport fixing plate (20) is provided with a first connection hole, and the other end of the transport fixing plate (20) is provided with a second connection hole (201); The transportation fixing plate (20) is detachably and fixedly connected with a bracket side plate (161) of the bracket (16) through the first connecting hole and a fastener penetrating through the first connecting hole, or the transportation fixing plate (20) is detachably and fixedly connected with a shell (2) of the optical equipment through the first connecting hole and the fastener penetrating through the first connecting hole; The transportation fixing plate (20) is detachably and fixedly connected with the adapter (13) through the second connecting hole (201) and a fastener penetrating through the second connecting hole (201); At least one of the first connection hole and the second connection hole (201) is a kidney-shaped hole.
  18. 18. An optical device comprising an optical component (3), a housing (2) and an optical path switching arrangement (1) as claimed in any one of claims 1 to 17, the optical component (3) and the optical path switching arrangement (1) being arranged within the housing (2), the optical component (3) being capable of rectilinear movement with an adapter (13) of the optical path switching arrangement.

Description

Optical path switching device and optical equipment Technical Field The present utility model relates to the field of optical path switching technologies, and in particular, to an optical path switching device and an optical device. Background An optical path switching device can be arranged in the optical equipment to switch the optical path so as to simplify the optical path mechanism and improve the optical performance of the equipment. The existing optical path switching device generally adopts a driving mode of matching a stepping motor with a screw rod module and the like to realize switching, but the mode is suitable for large-range linear motion and can bear large load, but mechanical losses such as easy abrasion of the screw rod exist, the use and maintenance cost is increased, and the reliability of equipment is reduced. In addition, the response speed of the mode is low, repeated positioning accuracy is not high enough, steps are easy to lose, and vibration and noise are easy to generate during high-speed operation. Disclosure of utility model In order to solve the above technical problem, an aspect of the present utility model provides an optical path switching device applied to an optical apparatus including an optical component, the optical path switching device comprising: The guide mechanism comprises a guide main body provided with a guide concave cavity and a magnetic matching assembly fixedly arranged on the bottom wall of the guide concave cavity; The sliding mechanism comprises a magnetic component and a sliding block component with a containing cavity, the magnetic component is embedded in the containing cavity and magnetically coupled with the magnetic matching component, and the sliding block component is slidably connected with the guide concave cavity; An adapter having an optical component mounting location for connecting the optical component, the adapter being fixedly connected to the slider assembly and located on a side of the slider assembly facing away from the guide cavity; the magnetic assembly can be driven by the magnetic matching assembly to drive the sliding block assembly to slide in the guide concave cavity, so that the adapter is driven to perform linear motion relative to the guide main body. Specifically, the accommodating cavity is provided with an accommodating cavity opening facing the magnetic matching component, and one side of the magnetic component is exposed to the accommodating cavity opening and is arranged opposite to the magnetic matching component. In particular, the magnetic engagement assembly comprises at least one magnetic element, the number of which in the magnetic engagement assembly is positively correlated to the effective travel of the magnetic assembly. Specifically, the magnetic matching component comprises at least two magnetic pieces, and each magnetic piece is distributed in an array mode so as to limit the effective stroke of the magnetic component along the linear motion direction of the adapter. Specifically, the magnetic component comprises a magnetic core body and a first electromagnetic piece, wherein the first electromagnetic piece is wound on the magnetic core body, and in the electrified state of the first electromagnetic piece, the magnetic component is electromagnetically coupled with the magnetic matching component. Specifically, the magnetic assembly includes a second electromagnetic member that is electromagnetically coupled to the magnetic mating assembly. Specifically, one of the side wall of the guide concave cavity and the sliding block component is provided with a guide sliding groove, the other of the side wall of the guide concave cavity and the sliding block component is provided with a guide protrusion which is in sliding fit with the guide sliding groove, and the sliding block component is in sliding connection with the side wall of the guide concave cavity through the guide sliding groove and the guide protrusion. Specifically, the sliding block assembly comprises a sliding block and an end cover fixedly connected with the sliding block, the sliding block is fixedly connected with the adapter, and the end cover is positioned on at least one side of the sliding block in the sliding direction; at least one side of the end cover is provided with the guide chute or the guide protrusion so as to be in sliding fit with at least one side wall of the guide concave cavity. Specifically, the optical path switching device further includes: the reinforcement is positioned on at least one side of the sliding direction of the sliding block assembly and is fixedly connected with the sliding block assembly. Specifically, the optical path switching device further includes: And the buffer piece is positioned on the side surface of the reinforcement piece, and the sliding block assembly is separated from the abutting position of the limiting position through the buffer piece under the condition that the sliding block assembly move