CN216052361U

CN216052361U - Driving assembly convenient for replacing optical filter for switching optical filter

Info

Publication number: CN216052361U
Application number: CN202121390937.6U
Authority: CN
Inventors: 何建璋
Original assignee: Foshan Tianyu Hongtu Innovation Technology Co ltd
Current assignee: Foshan Tianyu Hongtu Innovation Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-03-15
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a driving component for switching optical filters, which is convenient for replacing the optical filters and comprises: the annular shell is used as a bearing foundation of the integral device; the hollow cup motor is fixedly connected to the ground inside the annular shell, the vertical plate is fixedly connected to the inside of the annular shell, a groove is formed in one side of the vertical plate, and a U-shaped plate is fixedly connected to one side of the connecting plate. This optical filter switches with drive assembly who is convenient for change the light filter, start arbitrary a set of coreless motor, make the coreless motor remove through driving the gear plate, make the gear shaft rotate, and then make one of them set of light filter switch, promote the grip block downwards through the threaded rod rotation, to middle removal, make two sets of backing plates with the light filter centre gripping, thereby the installation light filter of more stable of being convenient for, reduce the risk that drops, through releasing four groups of picture pegs from the butt joint intracavity, be convenient for take off annular end plate from annular housing, thereby open annular housing, and then be convenient for change the light filter.

Description

Driving assembly convenient for replacing optical filter for switching optical filter

Technical Field

The utility model relates to the technical field of optical filter switching, in particular to a driving assembly convenient for replacing an optical filter for optical filter switching.

Background

When light with a certain specific wavelength is needed, an optical filter is needed, the optical filter is an optical device used for selecting a required radiation waveband, when the optical filter is used, a driving component is needed to switch the optical filter, and when the existing driving component used for switching the optical filter is used, certain defects exist, such as the situation of the traditional driving component; (first part)

A drive assembly and camera for optical filter switching as in publication CN211236530U, the control output of the drive control means being connected to the control input of the driver; the drive control device comprises a first drive control module and a second drive control module, and the output ends of the first drive control module and the second drive control module are used as the control output ends; when the optical filter is switched, the first drive control module transmits a preset pulse drive signal to the driver through the control output end, and the driver provides a drive force for the movable piece assembly loaded with the optical filter so as to drive the optical filter to be switched; after the optical filter is switched, the second driving control module transmits a preset constant current driving signal to the driver through the control output end so as to keep the current state of the movable sheet assembly unchanged; (second part)

This prior art solution also presents the following problems when in use:

1. the used optical filter is inconvenient to replace;

2. the optical filter is easy to fall off when being switched;

3. the step of switching the drive assembly to drive the optical filter is relatively complicated;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a driving assembly for switching an optical filter, which is convenient to replace the optical filter, so as to solve the problems of the prior art that the driving assembly used in switching the optical filter in the market is inconvenient to replace the optical filter, the optical filter is easy to fall off during switching, and the step of switching the driving assembly to drive the optical filter is complicated.

In order to achieve the purpose, the utility model provides the following technical scheme: a driving assembly for switching a filter, which facilitates replacement of the filter, comprising:

the annular shell is used as a bearing foundation of the integral device;

the output end of the hollow cup motor is fixedly connected with a first bevel gear, the first bevel gear is in meshed connection with a second bevel gear, one side of the second bevel gear is fixedly connected with a screw rod, one end of the screw rod is fixedly connected with a first bearing, and the first bearing is arranged on the inner side wall of the groove;

the vertical plate is fixedly connected in the annular shell, a groove is formed in one side of the vertical plate, a fixture block is connected in the groove in a sliding mode, the fixture block is connected to the screw rod in a threaded mode, a gear plate is fixedly connected to one side of the fixture block, a gear shaft is connected to one side of the gear plate in a meshed mode, a second bearing is fixedly connected to the tail end of the gear shaft, the second bearing is fixedly connected to the bottom surface inside the annular shell, a connecting plate is fixedly connected to the top end of the gear shaft, and a U-shaped plate is fixedly connected to one side of the connecting plate.

Preferably, the hollow cup motor, the vertical plate, the fixture block, the gear plate, the gear shaft and the U-shaped plates are arranged in two groups in the annular shell, and the two groups of U-shaped plates are not positioned on the same horizontal plane, so that the two groups of optical filters are not in contact with each other when being switched.

Preferably, the U-shaped plate includes:

the threaded hole is formed in the upper inner part of the U-shaped plate, a threaded rod is connected with the threaded hole in a threaded manner, and the tail end of the threaded rod is fixedly connected with a rotating shaft;

the third bearing, fixed connection be in the pivot is terminal, third bearing below fixedly connected with grip block, grip block below fixedly connected with backing plate, the backing plate below is connected with the light filter, through the rotatory downward promotion grip block of threaded rod, to middle removal, makes the backing plate with the light filter centre gripping to the installation light filter of being convenient for more stable.

Preferably, screw hole, threaded rod, pivot, third bearing, grip block and backing plate are provided with two sets ofly about the central axis symmetry of light filter, and the material of backing plate is rubber, prevents that the pressure between two sets of backing plates is too big, leads to the light filter of centre gripping to receive the damage.

Preferably, the annular housing comprises:

place the chamber, set up on the annular casing inside wall, place intracavity fixedly connected with spring, spring one end fixedly connected with picture peg, picture peg one end block is connected in the butt joint intracavity, the butt joint chamber is set up in annular end plate one side, first light trap has been seted up in the annular end plate, logical groove has been seted up on the annular casing, the inserted bar passes logical groove fixed connection on the picture peg, the second light trap has been seted up to annular casing bottom surface, can make light normally pass the light filter through first light trap and second light trap.

Preferably, place chamber, spring, picture peg, butt joint chamber, lead to the groove and the inserted bar is annular array about the center of annular end plate and is provided with four groups, and the length of picture peg is greater than the inside degree of depth of butt joint chamber, prevents that the picture peg from driving the spring and wearing out and place the chamber, leads to the picture peg unable stable butt joint chamber of inserting.

Compared with the prior art, the utility model has the beneficial effects that: this optical filter switches with drive assembly who is convenient for change light filter, through starting arbitrary a set of coreless motor, make the coreless motor remove through driving the gear plate, make the gear shaft rotate, and then make one of them group light filter no longer be in between first light trap and the second light trap, thereby be convenient for switch, promote the grip block downwards through the threaded rod rotation, to middle removal, make two sets of backing plates with the light filter centre gripping, thereby be convenient for relatively more stable installation light filter, reduce the risk that drops, through releasing four group's picture pegs from the butt joint intracavity, be convenient for take off the annular end plate from annular housing, thereby open annular housing, and then be convenient for change the light filter.

1. Firstly, when the optical filters are switched, one group of hollow cup motors is started, the hollow cup motors drive a first bevel gear to rotate, the first bevel gear drives a second bevel gear to rotate, the second bevel gear drives a screw rod to rotate through a first bearing, and a clamping block is in threaded connection with the screw rod and is in sliding connection with the groove, so that the clamping block can move back and forth in the groove, a gear plate is driven to move, the gear plate drives a gear shaft to rotate through a second bearing while moving, the optical filters are driven to rotate, the optical filters rotate towards one side and are not located between a first light transmission groove and a second light transmission groove, switching between the two groups of optical filters is facilitated, switching steps are fewer, and switching efficiency is higher;

2. before switching, the optical filter is placed in the U-shaped plate, the threaded rod above the U-shaped plate is rotated, the threaded rod pushes the clamping plate to move downwards while rotating through the threaded hole, the base plate is in contact with the optical filter, then the threaded rod is continuously rotated, the base plate is deformed, and the friction force between the base plate and the optical filter is increased, so that the optical filter can be clamped more firmly, and the risk that the optical filter falls off when the optical filter is switched is reduced;

3. when the optical filter needs to be replaced, the inserting rods are pushed outwards along the direction of the through grooves and drive the inserting plates to be pushed out from the butt joint cavity, and the springs in the cavities are placed in an extruding mode.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a vertical plate structure according to the present invention;

FIG. 3 is a schematic view of a U-shaped plate structure according to the present invention;

FIG. 4 is a schematic view of a placement chamber according to the present invention;

fig. 5 is a schematic view of a through groove structure of the present invention.

In the figure: 1. an annular housing; 2. a coreless motor; 3. a first bevel gear; 4. a second bevel gear; 5. A screw rod; 6. a first bearing; 7. a groove; 8. a vertical plate; 9. a clamping block; 10. a gear plate; 11. a gear shaft; 12. a second bearing; 13. connecting plates; 14. a U-shaped plate; 15. a threaded hole; 16. a threaded rod; 17. a rotating shaft; 18. a third bearing; 19. a clamping plate; 20. a base plate; 21. an optical filter; 22. a placement chamber; 23. A spring; 24. inserting plates; 25. a docking chamber; 26. an annular end plate; 27. a first light-transmitting groove; 28. a through groove; 29. inserting a rod; 30. a second light-transmitting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a driving assembly for switching a filter, which facilitates replacement of the filter, comprising: an annular shell 1 serving as a bearing base of the integral device, a hollow cup motor 2 fixedly connected to the ground inside the annular shell 1 and providing basic kinetic energy for switching, a first bevel gear 3 fixedly connected to an output end of the hollow cup motor 2, a second bevel gear 4 engaged with the first bevel gear 3, a screw 5 fixedly connected to one side of the second bevel gear 4, a first bearing 6 fixedly connected to one end of the screw 5, the first bearing 6 on the inner side wall of a groove 7, a vertical plate 8 fixedly connected to the annular shell 1 and having a groove 7 on one side of the vertical plate 8, a fixture block 9 slidably connected to the groove 7 and threaded connected to the screw 5, a gear plate 10 fixedly connected to one side of the fixture block 9, a gear shaft 11 engaged with one side of the gear plate 10, a second bearing 12 fixedly connected to the end of the gear shaft 11, and a second bearing 12 fixedly connected to the bottom inside the annular shell 1, the top end of the gear shaft 11 is fixedly connected with a connecting plate 13, and one side of the connecting plate 13 is fixedly connected with a U-shaped plate 14. By starting any group of the hollow cup motors 2, the hollow cup motors 2 drive the gear plate 10 to move, so that the gear shaft 11 rotates, and then one group of the optical filters 21 is no longer positioned between the first light transmission groove 27 and the second light transmission groove 30, thereby facilitating switching.

The hollow cup motor 2, the vertical plate 8, the fixture block 9, the gear plate 10, the gear shaft 11 and the U-shaped plates 14 are arranged in two groups in the annular shell 1, and the two groups of U-shaped plates 14 are not positioned on the same horizontal plane, so that the two groups of optical filters 21 are not in contact with each other when being switched.

The U-shaped plate 14 includes: the screw hole 15 is seted up inside U-shaped plate 14 top, and screw hole 15 female connection has threaded

rod

16, 16 terminal fixedly connected with pivots 17 of threaded rod, and third bearing 18, fixed connection are at the pivot 17 end, and 18 below fixedly connected with grip block 19 of third bearing, 19 below fixedly connected with backing plate 20 of

grip block

19, 20 below of backing plate are connected with light filter 21. The threaded holes 15, the threaded rods 16, the rotating shaft 17, the third bearings 18, the clamping plates 19 and the backing plates 20 are symmetrically arranged in two groups about the central axis of the optical filter 21, and the backing plates 20 are made of rubber, so that the phenomenon that the clamped optical filter 21 is damaged due to overlarge pressure between the two groups of backing plates 20 is avoided. The clamping plate 19 is pushed downwards by the rotation of the threaded rod 16 and moves towards the middle, so that the base plate 20 clamps the filter 21, thereby facilitating the stable installation of the filter 21.

The annular housing 1 includes: place chamber 22, set up on 1 inside wall of annular casing, place fixedly connected with spring 23 in the chamber 22, spring 23 one end fixedly connected with picture peg 24, picture peg 24 one end block is connected in butt joint chamber 25, butt joint chamber 25 sets up in annular end plate 26 one side, first light trap 27 has been seted up in the annular end plate 26, logical groove 28 has been seted up on the annular casing 1, inserted bar 29 passes logical groove 28 fixed connection on picture peg 24, second light trap 30 has been seted up to 1 bottom surface of annular casing, can make light normally pass light filter 21 through first light trap 27 and second light trap 30. The placing cavity 22, the spring 23, the inserting plate 24, the butting cavity 25, the through groove 28 and the inserting rod 29 are arranged in four groups in an annular array relative to the center of the annular end plate 26, and the length of the inserting plate 24 is larger than the depth inside the butting cavity 25, so that the inserting plate 24 is prevented from driving the spring 23 to penetrate out of the placing cavity 22, and the inserting plate 24 cannot be stably inserted into the butting cavity 25. The four groups of insertion plates 24 are pushed out of the butt joint cavities 25, so that the annular end plate 26 can be conveniently taken down from the annular shell 1, the annular shell 1 is opened, and the optical filter 21 can be conveniently replaced.

The working principle is as follows: as shown in FIGS. 1-5, when the optical filter is used to switch a driving assembly for replacing the optical filter, the apparatus is simply known, first, when the optical filter 21 is switched, one of the sets of the coreless motors 2 is started, the coreless motor 2 drives the first bevel gear 3 to rotate, the first bevel gear 3 drives the second bevel gear 4 to rotate, the second bevel gear 4 drives the screw rod 5 to rotate through the first bearing 6, because the fixture block 9 is in threaded connection with the screw rod 5 and is slidably connected in the groove 7, the fixture block 9 can move back and forth in the groove 7, thereby driving the gear plate 10 to move, the gear plate 10 drives the gear shaft 11 to rotate through the second bearing 12 while moving, thereby driving the optical filter 21 to rotate, so that the optical filter 21 rotates to one side and is no longer located between the first light-transmitting groove 27 and the second light-transmitting groove 30, thereby facilitating the switching between the two sets of the optical filters 21, and the switching steps are less, the switching efficiency is higher, secondly, before switching, the optical filter 21 is placed in the U-shaped plate 14, the threaded rod 16 above is rotated, the threaded rod 16 pushes the clamping plate 19 to move downwards while rotating through the threaded hole 15, so that the backing plate 20 is in contact with the optical filter 21, then the threaded rod 16 is continuously rotated, the backing plate 20 is deformed, the friction force between the backing plate 20 and the optical filter 21 is increased, so that the optical filter 21 is clamped more firmly, the risk that the optical filter 21 falls off when switching the optical filter 21 is reduced, then, when the optical filter 21 needs to be replaced, the inserting rod 29 is pushed outwards along the direction of the through groove 28, the inserting rod 29 drives the inserting plate 24 to be pushed out from the butt joint cavity 25, and the springs 23 in the placing cavity 22 are squeezed, and the other three groups of inserting plates 24 are pushed out from the butt joint cavity 25, so that the annular end plate 26 is taken down from the annular shell 1, and then the threaded rod 16 is rotated reversely, the filter 21 is removed from the U-shaped plate 14, and a new filter 21 is replaced, thereby facilitating replacement of the filter 21, which will not be described in detail in this description, and which is well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A kind of filter switches over and uses the drive assembly easy to change the optical filter, characterized by comprising:

the annular shell (1) is used as a bearing foundation of the integral device;

the hollow cup motor (2) is fixedly connected to the ground inside the annular shell (1) and provides basic kinetic energy for switching, a first bevel gear (3) is fixedly connected to the output end of the hollow cup motor (2), a second bevel gear (4) is connected to the first bevel gear (3) in a meshed mode, a screw rod (5) is fixedly connected to one side of the second bevel gear (4), a first bearing (6) is fixedly connected to one end of the screw rod (5), and the first bearing (6) is arranged on the inner side wall of the groove (7);

riser (8), fixed connection be in annular housing (1), and riser (8) one side is seted up recess (7), sliding connection has fixture block (9) in recess (7), and fixture block (9) threaded connection is on lead screw (5), fixture block (9) one side fixedly connected with toothed plate (10), toothed plate (10) one side meshing is connected with gear shaft (11), terminal fixedly connected with second bearing (12) of gear shaft (11), second bearing (12) fixed connection is on annular housing (1) inside bottom surface, gear shaft (11) top fixedly connected with links board (13), link board (13) one side fixedly connected with U-shaped board (14).

2. A driving assembly for switching an optical filter according to claim 1, wherein: the hollow cup type motor is characterized in that two groups of hollow cup type motors (2), vertical plates (8), clamping blocks (9), gear plates (10), gear shafts (11) and U-shaped plates (14) are arranged in the annular shell (1), and the two groups of U-shaped plates (14) are not located on the same horizontal plane.

3. A driving assembly for switching an optical filter according to claim 1, wherein: the U-shaped plate (14) comprises:

the threaded hole (15) is formed in the upper inner portion of the U-shaped plate (14), a threaded rod (16) is connected to the threaded hole (15) in an internal thread mode, and a rotating shaft (17) is fixedly connected to the tail end of the threaded rod (16);

third bearing (18), fixed connection be in pivot (17) are terminal, third bearing (18) below fixedly connected with grip block (19), grip block (19) below fixedly connected with backing plate (20), backing plate (20) below is connected with light filter (21).

4. A driving assembly for switching a filter according to claim 3, wherein: the filter is characterized in that the threaded holes (15), the threaded rods (16), the rotating shaft (17), the third bearing (18), the clamping plate (19) and the backing plate (20) are symmetrically provided with two groups about the central axis of the filter (21), and the backing plate (20) is made of rubber.

5. A driving assembly for switching an optical filter according to claim 1, wherein: the annular housing (1) comprises:

place chamber (22), set up on annular casing (1) inside wall, place fixedly connected with spring (23) in chamber (22), spring (23) one end fixedly connected with picture peg (24), picture peg (24) one end block is connected in butt joint chamber (25), set up in annular end plate (26) one side in butt joint chamber (25), first light trap (27) have been seted up in annular end plate (26), logical groove (28) have been seted up on annular casing (1), and inserted bar (29) pass logical groove (28) fixed connection on picture peg (24), second light trap (30) have been seted up to annular casing (1) bottom surface.

6. The driving assembly for switching optical filters according to claim 5, wherein: the placing cavity (22), the spring (23), the inserting plate (24), the butt joint cavity (25), the through groove (28) and the inserting rod (29) are arranged in four groups in an annular array mode about the center of the annular end plate (26), and the length of the inserting plate (24) is larger than the depth of the interior of the butt joint cavity (25).