CN218585090U - Color filter switching mechanism of operating microscope - Google Patents
Color filter switching mechanism of operating microscope Download PDFInfo
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- CN218585090U CN218585090U CN202222532709.9U CN202222532709U CN218585090U CN 218585090 U CN218585090 U CN 218585090U CN 202222532709 U CN202222532709 U CN 202222532709U CN 218585090 U CN218585090 U CN 218585090U
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- color filter
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- compression spring
- conical gear
- adjusting cylinder
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Abstract
The utility model discloses a color filter switching mechanism of operating microscope, through setting up a regulation section of thick bamboo and color filter carousel positioning mechanism, be provided with the through-hole that runs through from top to bottom on a regulation section of thick bamboo and the mount respectively, the through-hole on the regulation section of thick bamboo is located the through-hole top on the mount and the central axis of both coincides with operating microscope's optical axis, the upper portion of mount is installed on the regulation section of thick bamboo through adjusting screw, color filter carousel positioning mechanism includes the base, the location steel ball, compression spring and holding screw, the base includes first base and second base, be provided with a plurality of positioning groove on the lateral wall of color filter carousel, the location steel ball can make compression spring be in the compression state with the lateral wall contact of color filter carousel, also can block into positioning groove under the compression spring effect, transmission part includes the driving lever, the support, the eccentric shaft, first conical gear, second conical gear and axis of rotation, the size of first conical gear is less than second conical gear; the advantage is that whole volume is less, convenient operation.
Description
Technical Field
The utility model relates to a color filter switching mechanism especially relates to a surgical microscope's color filter switching mechanism.
Background
The color filter switching mechanism of the existing operating microscope generally comprises a fixing frame, a color filter rotating disc, a transition gear and a transmission rod, wherein a circle of insections are arranged on the outer side surface of the color filter rotating disc, the color filter rotating disc is installed on the fixing frame, the transition gear is installed on the fixing frame and meshed with the insections on the color filter rotating disc, the transmission rod is installed on the fixing frame, one end of the transmission rod is provided with a circle of insections, the insections on the transmission rod are meshed with the transition gear, and the color filter rotating disc is provided with a plurality of hole sites for installing color filters.
In the color filter switching mechanism, the insections on the transmission rod, the transition gear and the insections on the color filter turntable form a gear transmission part, the transmission rod is rotated, the color filter turntable is driven to rotate through the gear transmission part, so that the color filter at the corresponding hole position enters the optical axis of the operating microscope, and the switching of the color filter is realized.
However, the above-described color filter switching mechanism has the following problems: 1. the gear transmission part is arranged on the outer side of the color filter turntable, so that the whole volume of the color filter switching mechanism is large; 2. in the gear transmission part, the number of the insections on the color filter turntable is large, the number of the insections on the transition gear and the transmission rod is small, the force used when the transmission rod is operated is large, and the operation is inconvenient.
Disclosure of Invention
The utility model aims to solve the technical problem that a whole volume is less, convenient operation's color filter switching mechanism is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a color filter switching mechanism of an operating microscope comprises a fixing frame, a color filter rotating disc and a transmission part, wherein a plurality of hole sites for installing color filters are arranged on the color filter rotating disc, the transmission part is used for driving the color filter rotating disc to rotate so that the color filters corresponding to the hole sites enter an optical axis of the operating microscope, the color filter switching mechanism further comprises an adjusting cylinder and a color filter rotating disc positioning mechanism, through holes which penetrate through the adjusting cylinder and the fixing frame vertically are respectively arranged on the adjusting cylinder and the fixing frame, the through holes on the adjusting cylinder are positioned above the through holes on the fixing frame, the central axes of the through holes and the through holes are superposed with the optical axis of the operating microscope, and the upper part of the fixing frame is installed on the adjusting cylinder through adjusting screws; the color filter turntable positioning mechanism comprises a base, a positioning steel ball, a compression spring and a stop screw, wherein the base comprises a first base and a second base, the first base is positioned below the second base and above the adjusting cylinder, the first base is fixedly connected with the second base, a through hole for passing an optical axis of an operating microscope is formed in the second base, the first base is fixed on the adjusting cylinder, the color filter turntable is positioned on the right side of the first base and extends to the lower side of the second base, the color filter turntable is installed on the second base through a rotating shaft, a plurality of positioning grooves are formed in the outer side wall of the color filter turntable and correspond to a plurality of hole sites in a one-to-one manner, mounting holes are formed in the first base in a left-right through manner, the stop screw, the compression spring and the positioning steel ball are sequentially arranged in the mounting holes from left to right, the stop screw is in threaded connection with the mounting holes, the left end of the compression spring is connected with the compression spring, and the compression spring is clamped into the outer side wall of the compression spring, and the compression spring is in a state that the compression spring is capable of being clamped into contact with the outer side wall of the compression spring; the transmission component is positioned on the right sides of the fixed frame and the adjusting cylinder and below the color filter turntable, the transmission component comprises a shifting rod, a bracket, an eccentric shaft, a first conical gear, a second conical gear and a rotating shaft, the size of the first conical gear is smaller than that of the second conical gear, the axial direction of the rotating shaft is the left-right direction, the rotating shaft penetrates through the lower part of the bracket leftwards and rightwards, the second conical gear is fixed at the left end of the rotating shaft, the axial direction of the eccentric shaft is the up-down direction, the eccentric shaft penetrates through the upper part of the bracket from top to bottom, the first conical gear is fixed at the lower end of the eccentric shaft and is meshed with the second conical gear, the shifting rod is positioned above the eccentric shaft, the lower end of the shifting rod is fixedly connected with the upper end of the eccentric shaft, and the upper part of the shifting rod extends into the color filter turntable and is fixedly connected with the color filter turntable.
The first base and the second base are integrally formed.
Compared with the prior art, the utility model has the advantages that through the arrangement of the adjusting cylinder and the color filter turntable positioning mechanism, the adjusting cylinder and the fixing frame are respectively provided with through holes which run through from top to bottom, the through holes on the adjusting cylinder are positioned above the through holes on the fixing frame, the central axes of the adjusting cylinder and the fixing frame are superposed with the optical axis of the operating microscope, and the upper part of the fixing frame is arranged on the adjusting cylinder through the adjusting screw; the color filter turntable positioning mechanism comprises a base, a positioning steel ball, a compression spring and a locking screw, wherein the base comprises a first base and a second base, the first base is positioned below the second base and above an adjusting cylinder, the first base is fixedly connected with the second base, a through hole for an optical axis of an operating microscope to pass through is formed in the second base, the first base is fixed on the adjusting cylinder, the color filter turntable is positioned on the right side of the first base and extends to the lower side of the second base, the color filter turntable is installed on the second base through a rotating shaft, a plurality of positioning grooves are formed in the outer side wall of the color filter turntable, the plurality of positioning grooves correspond to the plurality of hole sites one by one, mounting holes are formed in the first base in a left-right through mode, the locking screw, the compression spring and the positioning steel ball are sequentially arranged in the mounting holes from left to right, the locking screw is in threaded connection with the mounting holes, the left end of the compression spring is connected with the locking screw, the right end of the compression spring is connected with the positioning steel ball, the positioning steel ball can be in contact with the outer side wall of the color filter turntable to enable the compression spring to be in a compression state, and can also be clamped into the positioning grooves under the action of the compression spring; the transmission component is positioned on the right sides of the fixing frame and the adjusting cylinder and below the color filter turntable, the transmission component comprises a driving lever, a bracket, an eccentric shaft, a first conical gear, a second conical gear and a rotating shaft, the size of the first conical gear is smaller than that of the second conical gear, the axial direction of the rotating shaft is the left-right direction, the rotating shaft penetrates through the lower part of the bracket from left to right, the second conical gear fixes the left end of the rotating shaft, the axial direction of the eccentric shaft is the up-down direction, the eccentric shaft penetrates through the upper part of the bracket from top to bottom, the first conical gear is fixed at the lower end of the eccentric shaft and meshed with the second conical gear, the driving lever is positioned above the eccentric shaft, the lower end of the driving lever is fixedly connected with the upper end of the eccentric shaft, the upper part of the driving lever extends into the color filter turntable and is fixedly connected with the color filter turntable, when the color filter is switched, the right end of the rotating shaft is rotated, and the rotating shaft drives the second conical gear to rotate, because the first conical gear is meshed with the second conical gear, the first conical gear also synchronously rotates, the first conical gear drives the eccentric shaft and the deflector rod to rotate, the deflector rod drives the color filter turntable to rotate, when a certain positioning groove passes through the positioning steel ball, the positioning steel ball can be clamped into the positioning groove, when the color filter turntable continues to rotate, the positioning steel ball can slide out of the current positioning groove and contact with the outer side wall of the color filter turntable to retract into the mounting hole, when the color filter which rotates to a required hole position enters the optical axis of the operating microscope, the positioning steel ball is clamped into the positioning groove corresponding to the hole position to position, and the color filter is switched to be finished. The fixed frame and the layout of the adjusting cylinder and the transmission component can not cause interference on the optical axis of the color filter entering the operating microscope, the whole size is small, the size of the second conical gear is larger than that of the first conical gear, the color filter turntable is driven to rotate through the shifting rod, great effort is not needed for switching the color filter, and the operation is more convenient.
Drawings
Fig. 1 is a perspective view of a color filter switching mechanism of an operating microscope of the present invention;
fig. 2 is a partial cross-sectional view of a color filter switching mechanism of an operating microscope of the present invention;
fig. 3 is a top view of the color filter switching mechanism of the surgical microscope of the present invention;
fig. 4 is an assembly sectional view of the color filter rotary table and the color filter rotary table positioning mechanism of the color filter switching mechanism of the surgical microscope of the present invention;
fig. 5 is a sectional view of a transmission member of the color filter switching mechanism of the surgical microscope of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example (b): as shown in fig. 1 to 5, a color filter switching mechanism of an operating microscope comprises a fixed frame 1, a color filter turntable 2 and a transmission component, wherein a plurality of hole sites 3 for installing color filters are arranged on the color filter turntable 2, the transmission component is used for driving the color filter turntable 2 to rotate so that the color filters corresponding to the hole sites 3 enter an optical axis 5 of the operating microscope, the color filter switching mechanism further comprises an adjusting cylinder 4 and a color filter turntable positioning mechanism, through holes which penetrate through up and down are respectively arranged on the adjusting cylinder 4 and the fixed frame 1, the through hole sites 3 on the adjusting cylinder 4 are positioned above the through holes on the fixed frame 1, the central axes of the through holes and the through holes coincide with the optical axis 5 of the operating microscope, and the upper part of the fixed frame 1 is arranged on the adjusting cylinder 4 through adjusting screws 6; the color filter turntable positioning mechanism comprises a base, a positioning steel ball 7, a compression spring 8 and a stop screw 9, wherein the base comprises a first base 10 and a second base 11, the first base 10 is positioned below the second base 11 and above an adjusting cylinder 4, the first base 10 is fixedly connected with the second base 11, a through hole for an optical axis 5 of an operating microscope to pass through is formed in the second base 11, the first base 10 is fixed on the adjusting cylinder 4, the color filter turntable 2 is positioned on the right side of the first base 10 and extends to the lower side of the second base 11, the color filter turntable 2 is installed on the second base 11 through a rotating shaft 12, a plurality of positioning grooves 13 are formed in the outer side wall of the color filter turntable 2, the plurality of positioning grooves 13 are in one-to-one correspondence with the plurality of hole sites 3, mounting holes are formed in the left and right sides of the first base 10 in a penetrating manner, the stop screw 9, the compression spring 8 and the positioning steel ball 7 are sequentially arranged in the mounting holes from left to right, the stop screw 9 is in threaded connection with the mounting holes, the left end of the compression spring 8 is connected with the positioning steel ball 7, and the positioning steel ball 7 can be clamped into the compression spring 8, and the outer side wall of the positioning spring 2, and the positioning groove 13 can be in a state; the transmission component is positioned on the right sides of the fixed frame 1 and the adjusting cylinder 4 and below the color filter turntable 2, and comprises a shifting lever 14, a bracket 15, an eccentric shaft 16, a first conical gear 17, a second conical gear 18 and a rotating shaft 19, wherein the size of the first conical gear 17 is smaller than that of the second conical gear 18, the axial direction of the rotating shaft 19 is the left-right direction, the rotating shaft 19 penetrates through the lower part of the bracket 15 from left to right, the second conical gear 18 fixes the left end of the rotating shaft 19, the axial direction of the eccentric shaft 16 is the up-down direction, the eccentric shaft 16 penetrates through the upper part of the bracket 15 from top to bottom, the first conical gear 17 is fixed at the lower end of the eccentric shaft 16 and is meshed with the second conical gear 18, the shifting lever 14 is positioned above the eccentric shaft 16, the lower end of the shifting lever 14 is fixedly connected with the upper end of the eccentric shaft 16, and the upper part of the shifting lever 14 extends into the color filter turntable 2 and is fixedly connected with the color filter turntable 2.
In the present embodiment, the first base 10 and the second base 11 are integrally formed.
Claims (2)
1. A color filter switching mechanism of an operating microscope comprises a fixed frame, a color filter turntable and a transmission part, wherein a plurality of hole sites for installing color filters are arranged on the color filter turntable, the transmission part is used for driving the color filter turntable to rotate so that the color filters corresponding to the hole sites enter an optical axis of the operating microscope, and the color filter switching mechanism is characterized by also comprising an adjusting cylinder and a color filter turntable positioning mechanism, wherein through holes which penetrate through up and down are respectively arranged on the adjusting cylinder and the fixed frame, the through holes on the adjusting cylinder are positioned above the through holes on the fixed frame, the central axes of the through holes and the through holes are superposed with the optical axis of the operating microscope, and the upper part of the fixed frame is arranged on the adjusting cylinder through adjusting screws;
the color filter turntable positioning mechanism comprises a base, a positioning steel ball, a compression spring and a stop screw, wherein the base comprises a first base and a second base, the first base is positioned below the second base and above the adjusting cylinder, the first base is fixedly connected with the second base, a through hole for passing an optical axis of an operating microscope is formed in the second base, the first base is fixed on the adjusting cylinder, the color filter turntable is positioned on the right side of the first base and extends to the lower side of the second base, the color filter turntable is installed on the second base through a rotating shaft, a plurality of positioning grooves are formed in the outer side wall of the color filter turntable and correspond to a plurality of hole sites in a one-to-one manner, mounting holes are formed in the first base in a left-right through manner, the stop screw, the compression spring and the positioning steel ball are sequentially arranged in the mounting holes from left to right, the stop screw is in threaded connection with the mounting holes, the left end of the compression spring is connected with the compression spring, and the compression spring is clamped into the outer side wall of the compression spring, and the compression spring is in a state that the compression spring is capable of being clamped into contact with the outer side wall of the compression spring;
the transmission component is positioned on the right sides of the fixed frame and the adjusting cylinder and below the color filter turntable, the transmission component comprises a shifting rod, a bracket, an eccentric shaft, a first conical gear, a second conical gear and a rotating shaft, the size of the first conical gear is smaller than that of the second conical gear, the axial direction of the rotating shaft is the left-right direction, the rotating shaft penetrates through the lower part of the bracket leftwards and rightwards, the second conical gear is fixed at the left end of the rotating shaft, the axial direction of the eccentric shaft is the up-down direction, the eccentric shaft penetrates through the upper part of the bracket from top to bottom, the first conical gear is fixed at the lower end of the eccentric shaft and is meshed with the second conical gear, the shifting rod is positioned above the eccentric shaft, the lower end of the shifting rod is fixedly connected with the upper end of the eccentric shaft, and the upper part of the shifting rod extends into the color filter turntable and is fixedly connected with the color filter turntable.
2. The color filter switching mechanism for an operating microscope as recited in claim 1, wherein said first base and said second base are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222532709.9U CN218585090U (en) | 2022-09-23 | 2022-09-23 | Color filter switching mechanism of operating microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222532709.9U CN218585090U (en) | 2022-09-23 | 2022-09-23 | Color filter switching mechanism of operating microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218585090U true CN218585090U (en) | 2023-03-07 |
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ID=85365980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222532709.9U Active CN218585090U (en) | 2022-09-23 | 2022-09-23 | Color filter switching mechanism of operating microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218585090U (en) |
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2022
- 2022-09-23 CN CN202222532709.9U patent/CN218585090U/en active Active
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