CN210605315U

CN210605315U - Novel optical filter switcher

Info

Publication number: CN210605315U
Application number: CN201921203408.3U
Authority: CN
Inventors: 许树琦
Original assignee: Guangzhou Shanqian Technology Co Ltd
Current assignee: Guangzhou Shanqian Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-05-22
Anticipated expiration: 2029-07-29

Abstract

The utility model belongs to the technical field of camera equipment, especially, novel light filter switcher, including the casing with install at its inboard wall fixed frame, the bottom surface geometry centre position department of casing has seted up the light trap, fixed frame is improved level symmetry and is inlayed and be fixed with first light filter and second light filter, the long limit of inner wall one side of casing has the spacing, the one end inner wall fixedly connected with limiting plate of casing; when first light filter and second light filter need be switched, the starter motor, the motor rotates and drives the screw rod and rotate, coupling mechanism on the screw rod drives fixed frame and slides, realizes the purpose of switching first light filter and second light filter on the fixed frame, and after the switching finishes, under the screw thread effect on the screw rod, coupling mechanism can not take place to slide, prevents effectively that the artificial shake from causing fixed frame to rock, and the position is comparatively firm, can improve the stability that the camera lens was looked a view.

Description

Novel optical filter switcher

Technical Field

The utility model belongs to the technical field of camera equipment, concretely relates to novel light filter switch.

Background

The filter is used to select the desired wavelength band of the radiation. One common property of the filters is that no filter can make the imaging of the celestial body brighter, because all filters absorb certain wavelengths, thereby making the object darker, and different filters are switched by the filter switch to achieve different filtering effects.

The optical filter switcher in the original camera adopts a gear direct meshing transmission mode when switching the optical filter, and because the gear meshing has a gap, the optical filter is easy to shake after the switching is finished when being shaken artificially and violently, so that the stability is poor, and the viewing effect is poor.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a novel light filter switch has the stable characteristics of removal.

In order to achieve the above object, the utility model provides a following technical scheme: the novel optical filter switcher comprises a shell and a fixing frame arranged on the inner side wall of the shell, wherein a light transmission hole is formed in the geometric center position of the bottom surface of the shell, a first optical filter and a second optical filter are horizontally and symmetrically embedded and fixed on the fixing frame, a limiting strip is arranged on the long side of one side of the inner wall of the shell, a limiting plate is fixedly connected to the inner wall of one end of the shell, a screw is rotatably connected to the inner wall of the short side of the shell, one end of the screw is rotatably connected with the inner wall of the short side of the shell, the other end of the screw is rotatably connected with the limiting plate, the screw is positioned on the long side of the shell, which is far away from the limiting strip, a motor is fixedly connected between the limiting plate and the shell, a straight gear is fixedly connected to the output end of, the rotating axis of the straight gear is perpendicular to the rotating axis of the screw rod, a connecting mechanism is connected to the screw rod in a transmission mode, one side of the fixing frame slides on the limiting strips, the other side of the fixing frame is detachably connected with the connecting mechanism, and the motor is electrically connected with an external power supply.

Preferably, coupling mechanism includes the transmission piece, the transmission piece with the screw rod spiro union, and slide on the inside wall of casing, the second ladder groove has been seted up on the coupling mechanism, the reference column that a plurality of sharp equidistance of bottom surface fixedly connected with in second ladder groove distributes.

Preferably, one side of the fixing frame, which is close to the connecting mechanism, is provided with a first step groove corresponding to the second step groove, and the top surface of the first step groove is provided with a plurality of positioning holes corresponding to the positioning columns.

Preferably, the top surface of the transmission block is rotatably connected with a rotary pressing plate for limiting the fixing frame.

Preferably, the inner walls of the positioning holes are fixedly bonded with rubber layers.

Preferably, the outer walls of the two long edges of the shell are fixedly connected with two symmetrically-arranged connecting plates.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when needing to switch first light filter and second light filter, the starter motor, the motor rotates and drives the screw rod and rotate, and coupling mechanism on the screw rod drives fixed frame and slides, realizes the purpose of switching first light filter and second light filter on the fixed frame, and after the switching finishes, under the screw thread effect on the screw rod, coupling mechanism can not take place to slide, prevents effectively that the artificial shake from causing fixed frame to rock, and the position is comparatively firm, improves the stability that the camera lens was looked a view.

2. The accessible will rotate the clamp plate and rotate to break away from the contact with fixed frame to pull up fixed frame, make locating hole and reference column break away from the contact, realize the purpose of the fixed frame of quick replacement, the later stage maintenance of the first light filter of being convenient for and second light filter is changed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the structure of the light hole of the present invention;

fig. 3 is a schematic view of a motor transmission structure of the present invention;

fig. 4 is a schematic structural diagram of the connection mechanism of the present invention.

In the figure: 1. a housing; 101. a light-transmitting hole; 11. a limiting strip; 12. a limiting plate; 13. a connecting plate; 2. a fixing frame; 201. a first step groove; 202. positioning holes; 21. a first optical filter; 22. a second optical filter; 23. a rubber layer; 3. a screw; 31. a bevel gear; 4. a motor; 41. a spur gear; 5. a connecting mechanism; 51. a transmission block; 511. a second stepped groove; 52. rotating the pressing plate; 53. and a positioning column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the novel optical filter switcher comprises a shell 1 and a fixed frame 2 arranged on the inner side wall of the shell, wherein a light transmission hole 101 is formed in the geometric center position of the bottom surface of the shell 1, a first optical filter 21 and a second optical filter 22 are horizontally and symmetrically embedded and fixed on the fixed frame 2, a limiting strip 11 is arranged on the long side of one side of the inner wall of the shell 1, a limiting plate 12 is fixedly connected to the inner wall of one end of the shell 1, a screw 3 is also rotatably connected to the inner wall of the shell 1, one end of the screw 3 is rotatably connected with the inner wall of the short side of the shell 1, the other end of the screw is rotatably connected with the limiting plate 12, the screw 3 is arranged on the long side of the shell 1 far away from the limiting strip 11, a motor 4 is fixedly connected between the limiting plate 12 and the shell 1, a straight gear 41 is fixedly, and the rotation axis of straight-teeth gear 41 and the rotation axis mutually perpendicular of screw rod 3, the transmission is connected with coupling mechanism 5 on the screw rod 3, and one side of fixed frame 2 slides on spacing strip 11, and the opposite side of fixed frame 2 can be dismantled with coupling mechanism 5 and be connected, motor 4 and external power source electric connection.

In this embodiment, when the first optical filter 21 and the second optical filter 22 need to be switched, the motor 4 is started, because the bevel gear 31 on the screw rod 3 is meshed with the straight gear 41 of the motor 4, the motor 4 rotates to drive the screw rod 3 to rotate, the connecting mechanism 5 on the screw rod 3 drives the fixing frame 2 to slide on the limit strip 11, so as to achieve the purpose of switching the first optical filter 21 and the second optical filter 22 on the fixing frame 2, after the switching is completed, under the action of the screw thread on the screw rod 3, the connecting mechanism 5 cannot slide, so as to effectively prevent the fixing frame 2 from shaking due to artificial shaking, the position is stable, the stability of lens view finding is improved, meanwhile, because the rotating axis of the straight gear 41 is perpendicular to the rotating axis of the screw rod 3, the length direction of the motor 4 can coincide with the short side of the housing 1, the occupied space of the motor 4 is reduced, and the volume of the housing, the motor 4 is model ZWPD 012012-216.

Specifically, coupling mechanism 5 includes transmission block 51,

transmission block

51 and 3 spiro unions of screw rod, screw rod 3 is when rotating, under the effect of screw thread, transmission block 51 removes along 3 length direction of screw rod, and slides on the inside wall of casing 1, casing 1 can carry on spacingly to it, prevent that it from following screw rod 3 synchronous rotation, second step groove 511 has been seted up on coupling mechanism 5, the reference column 53 that a plurality of straight line equidistance of bottom surface fixedly connected with of second step groove 511 distributes for connect fixed frame 2.

Specifically, a first step groove 201 corresponding to the second step groove 511 is formed in one side of the fixed frame 2 close to the connecting mechanism 5, a plurality of positioning holes 202 corresponding to the positioning posts 53 are formed in the top surface of the first step groove 201, the first step groove 201 of the fixed frame 2 is clamped with the second step groove 511 of the transmission block 51, and meanwhile, the positioning posts 53 and the positioning holes 202 are inserted and positioned, so that the fixed frame 2 is connected with the connecting mechanism 5.

Specifically, the top surface of transmission piece 51 is rotated and is connected with and carries out spacing rotation clamp plate 52 to fixed frame 2, through rotating clamp plate 52 to fixed frame 2 top, can carry out the crimping to fixed frame 2, prevent its lapse, it is comparatively convenient to install, and simultaneously, the accessible will rotate clamp plate 52 and rotate to break away from the contact with fixed frame 2, and upwards carry fixed frame 2, make locating hole 202 and reference column 53 break away from the contact, realize the purpose of the fixed frame 2 of quick replacement, be convenient for first light filter 21 and second light filter 22's later maintenance is changed.

Specifically, the rubber layers 23 are fixedly bonded to the inner walls of the positioning holes 202, the rubber layers 23 have a large friction force with the positioning columns 53, and the fixed frame 2 cannot slide after the fixed frame 2 is connected with the transmission block 51.

Specifically, two connecting plates 13 which are symmetrically arranged are fixedly connected to the outer walls of two long edges of the shell 1, and the shell 1 is connected with external equipment through the connecting plates 13.

The utility model discloses a theory of operation and use flow: when the first filter 21 and the second filter 22 need to be switched, the motor 4 is started, because the bevel gear 31 on the screw rod 3 is meshed with the straight gear 41 of the motor 4, the motor 4 rotates to drive the screw rod 3 to rotate, the connecting mechanism 5 on the screw rod 3 drives the fixed frame 2 to slide on the limit strip 11, the purpose of switching the first optical filter 21 and the second optical filter 22 on the fixed frame 2 is realized, after the switching is finished, the connecting mechanism 5 can not slide under the action of the screw thread on the screw rod 3, the shaking of the fixed frame 2 caused by artificial shaking is effectively prevented, the position is more stable, the stability of lens framing is improved, and simultaneously, because the rotation axis of the spur gear 41 is perpendicular to the rotation axis of the screw 3, the length direction of the motor 4 can be overlapped with the short side of the housing 1, the occupied space of the motor 4 is reduced, and the volume of the housing 1 is reduced.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Novel light filter switch, including casing (1) and install fixed frame (2) at its inside wall, light trap (101) have been seted up to the geometric centre position department in bottom surface of casing (1), fixed frame (2) are gone up horizontal symmetry and are inlayed and are established and be fixed with first light filter (21) and second light filter (22), its characterized in that: the long limit of inner wall one side of casing (1) has spacing strip (11), the one end inner wall fixedly connected with limiting plate (12) of casing (1), the inner wall of casing (1) still rotates and is connected with screw rod (3), the one end of screw rod (3) with the short side inner wall of casing (1) rotates and is connected, the other end with limiting plate (12) rotates and is connected, just screw rod (3) are located casing (1) keeps away from the long limit of one side of spacing strip (11), limiting plate (12) with fixedly connected with motor (4) between casing (1), the output end fixedly connected with straight-teeth gear (41) of motor (4), screw rod (3) are close to the one end of limiting plate (12) runs through limiting plate (12), and fixedly connected with bevel gear (31), bevel gear (31) with straight-teeth gear (41) meshing, just the rotation axis of straight-teeth gear (41) with the rotation axis mutually perpendicular of screw rod (3), driving connection has coupling mechanism (5) on screw rod (3), one side of fixed frame (2) slides and is in on spacing strip (11), the opposite side of fixed frame (2) with coupling mechanism (5) can dismantle the connection, motor (4) and external power source electric connection.

2. The novel filter switch of claim 1, wherein: coupling mechanism (5) are including transmission piece (51), transmission piece (51) with screw rod (3) spiro union, and slide on the inside wall of casing (1), second ladder groove (511) have been seted up on coupling mechanism (5), reference column (53) that the bottom surface fixedly connected with a plurality of straight line equidistance of second ladder groove (511) distributes.

3. The novel filter switch of claim 2, wherein: one side, close to the connecting mechanism (5), of the fixed frame (2) is provided with a first step groove (201) corresponding to the second step groove (511), and the top surface of the first step groove (201) is provided with a plurality of positioning holes (202) corresponding to the positioning columns (53).

4. The novel filter switch of claim 3, wherein: the top surface of the transmission block (51) is rotatably connected with a rotary pressing plate (52) for limiting the fixed frame (2).

5. The novel filter switch of claim 3, wherein: and rubber layers (23) are fixedly bonded on the inner walls of the positioning holes (202).

6. The novel filter switch of claim 1, wherein: the outer walls of two long edges of the shell (1) are fixedly connected with two symmetrically-arranged connecting plates (13).