CN211349851U - Centering reducing adjusting bracket - Google Patents
Centering reducing adjusting bracket Download PDFInfo
- Publication number
- CN211349851U CN211349851U CN201922321754.8U CN201922321754U CN211349851U CN 211349851 U CN211349851 U CN 211349851U CN 201922321754 U CN201922321754 U CN 201922321754U CN 211349851 U CN211349851 U CN 211349851U
- Authority
- CN
- China
- Prior art keywords
- adjusting
- centering
- fixed point
- point outer
- inner ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Endoscopes (AREA)
Abstract
The utility model discloses a centering reducing adjusting frame, including centering reducing module, centering reducing module includes fixed point outer loop, rotation inner ring and centre gripping arm, the rotation inner ring cover is established in fixed point outer loop, and rotates the inner ring and can rotate in fixed point outer loop, the spout has been seted up on the fixed point outer loop, centre gripping arm one end is installed the round pin axle, the round pin axle stretches into in the spout, and the round pin axle moves along spout length direction; the clamping arm is hinged with the rotating inner ring through a rotating shaft; the other end of the clamping arm is a clamping end for clamping the reflector, the clamping end is provided with a fixed knob for fixing the reflector, and when the inner rotating ring rotates, the clamping arm is driven to rotate around the rotating shaft, so that the opening and closing angle adjustment of the clamping end is realized. The utility model discloses a purpose that a speculum frame can the different diameter speculum of centre gripping.
Description
Technical Field
The utility model relates to an optical experiment technical field, concretely relates to centering reducing adjustment frame.
Background
In many optical experiments, the propagation direction of the light beam needs to be adjusted by a reflector angle adjusting frame. It is often necessary to replace mirrors of different diameter sizes to meet different experimental requirements. The existing mirror angle adjusting frame can only be applied to a certain diameter of a mirror, so that the mirror angle adjusting frame needs to be replaced correspondingly to match with the mirror. In addition, because the reflector adjusting frame is replaced, the position and the angle of the reflector need to be readjusted, and the operation is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, providing a centering reducing adjustment frame, solve the technical problem that current speculum angle adjustment frame can only be applicable to the speculum of a certain specific diameter.
In order to achieve the above object, the utility model provides a following technical scheme: a centering and diameter-changing adjusting frame comprises a centering and diameter-changing module, wherein the centering and diameter-changing module comprises a fixed point outer ring, a rotating inner ring and a clamping arm, the rotating inner ring is sleeved in the fixed point outer ring and can rotate in the fixed point outer ring, a sliding groove is formed in the fixed point outer ring, one end of the clamping arm is provided with a pin shaft, the pin shaft extends into the sliding groove, and the pin shaft can move along the length direction of the sliding groove; the clamping arm is hinged with the rotating inner ring through a rotating shaft; the other end of the clamping arm is a clamping end for clamping the reflector, the clamping end is provided with a fixed knob for fixing the reflector, and when the inner rotating ring rotates, the clamping arm is driven to rotate around the rotating shaft, so that the opening and closing angle adjustment of the clamping end is realized.
Furthermore, the rotating inner ring is connected with an adjusting rod, and the adjusting rod is used for driving the rotating inner ring to rotate.
Further, still include the angle modulation module who is connected with centering reducing module, angle modulation module includes adjust knob and regulating plate, the regulating plate includes two extension boards, and just mutually perpendicular is connected to the one end of two extension boards, be provided with adjust knob between regulating plate and the fixed point outer loop, adjust knob is used for adjusting the contained angle between regulating plate place plane and the fixed point outer loop place plane.
Furthermore, a related spring is connected between the adjusting plate and the fixed point outer ring, the related spring is a tension spring, and the related spring is used for tensioning the adjusting plate and the fixed point outer ring.
Furthermore, the number of the adjusting knobs is three, one of the adjusting knobs is arranged at the connecting ends of the two support plates, and the other two adjusting knobs are respectively arranged at the other ends of the two support plates.
Furthermore, a rubber layer is arranged on the surface layer of the fixed knob, which is in contact with the reflector.
Further, still install the base on the regulating plate, a screw hole that is used for connecting the experiment platform is seted up on the base.
Furthermore, the sliding groove is a rectangular slot, the sliding groove points to the circle center of the fixed point outer ring, and the fixed point outer ring and the rotating inner ring are concentrically arranged.
Further, the clamping arms are at least two.
Furthermore, the number of the clamping arms is three, and the three clamping arms are distributed on the rotating inner ring in an annular array.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model provides a centering reducing adjusting bracket, among the prior art, because the speculum holder can only be applicable to the speculum of a certain specific diameter, when needing to change the speculum of different diameters, need corresponding change speculum holder, however, the utility model discloses a fixed point outer loop endotheca establishes the rotation inner ring, rotates the inner ring and rotates the rotation of drive centre gripping arm, and the distance of the centre gripping end of centre gripping arm and fixed point outer loop centre of a circle changes to realize the purpose of speculum holder centre gripping different diameter speculums, be distinguished from general optical adjustment frame, the utility model is suitable for the speculum of multiple geometric dimensions; the problem that the reflector bracket needs to be replaced due to replacement of reflectors with different diameters in an optical experiment, and the position and the angle of the reflector need to be readjusted after the reflector bracket is replaced is solved.
Further, the utility model discloses be provided with the regulating plate of being connected with the fixed point outer loop, the regulating plate includes two extension boards, and just mutually perpendicular is connected to the one end of two extension boards, and is provided with adjust knob between regulating plate and the fixed point outer loop, and the adjust knob on the wrench movement regulating plate realizes regulating plate place plane and the fixed point outer loop place contained angle between the plane.
Further, the utility model discloses an in certain embodiment, install the base on the regulating plate, set up threaded hole on the base, realize the utility model discloses the installation on experiment platform is fixed.
Further, the utility model discloses a still be connected with the associative spring between regulating plate and the fixed point outer loop, because the good toughness of associative spring, and the associative spring is the extension spring, and the distance that will fix a point the outer loop and regulating plate when adjust knob pushes away greatly, when the distance of the fixed point outer loop of needs take-up and regulating plate, the associative spring can be taut with the distance of fixed point outer loop and regulating plate.
Further, the utility model discloses a top layer that is used for the fixed knob of speculum of centre gripping speculum and speculum contact coats and has scribbled the rubber layer, avoids metal and speculum direct contact, has played the effect of protection speculum.
Drawings
FIG. 1 is a schematic structural diagram of a centering diameter-changing module;
FIG. 2 is an enlarged view of a portion of the clamping end of the clamping arm;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the present invention.
In the drawings: 1-fixed knob, 2-clamping arm, 3-adjusting rod, 4-rotating inner ring, 5-fixed point outer ring, 6-adjusting knob, 7-base, 8-associated spring, 9-reflector, 10-adjusting plate, 11-pin shaft, 12-rotating shaft and 13-sliding groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model comprises a centering reducing module, as shown in figure 1, the centering reducing module comprises a fixed point outer ring 5, the fixed point outer ring 5 is fixed, a rotating inner ring 4 is sleeved in the fixed point outer ring 5, a pin shaft 11 is arranged at one end of a clamping arm 2, the pin shaft 11 extends into a chute 13, and the pin shaft 11 moves along the length direction of the chute 13; the clamping arm 2 is hinged with the rotating inner ring 4 through a rotating shaft 12; the other end of centre gripping arm 2 is for the exposed core that is used for centre gripping speculum 9, the fixed knob 1 that is used for fixed speculum 9 is installed to the exposed core, when rotating inner ring 4 and taking place to rotate, drives exposed core 2 and revolutes 12 rotations of axis of rotation, realizes the angle modulation that opens and shuts of exposed core.
As shown in fig. 2, a threaded hole matched with the fixing knob 1 is formed in the clamping arm 2, the top of the fixing knob 1 is a pressing part, and the distance between the pressing part at the top of the fixing knob 1 and the clamping end of the clamping arm 2 is reduced by rotating the fixing knob 1, so that the reflector 9 is clamped and pressed.
The utility model discloses a clamping arm 2 sets up two at least, in a certain embodiment, sets up two clamping arms 2 altogether, and two clamping arms 2 set up in the relative direction of fixed point outer loop 5, and two clamping arms 2 clamp two terminal surfaces of the relative direction of speculum 9, have realized the centre gripping to speculum 9 through two clamping arms 2; in another embodiment of the present invention, as shown in fig. 1, three clamping arms 2 are provided, and the three clamping arms 2 are distributed on the rotating inner ring 4 in an annular array.
The utility model discloses an in one embodiment, when initial position, the directional fixed point outer loop 5's of exposed core direction, the exposed core department of every centre gripping arm 2 offsets at fixed point outer loop 5's centre of a circle, when needing centre gripping speculum 9, rotate inner ring 4 and rotate the drive 2 equidirectional motions of centre gripping arm make the exposed core of centre gripping arm 2 and the 5 centre of a circle of fixed point outer loop change, satisfy the requirement of the different diameter speculums of centre gripping.
The rotating inner ring 4 of the utility model is connected with an adjusting rod 3, and the adjusting rod 3 can drive the rotating inner ring 4 to rotate in the fixed point outer ring 5; as shown in fig. 3, in a certain embodiment of the present invention, a slot penetrating through the fixed point outer ring 5 is provided on the side of the fixed point outer ring 5, the adjusting rod 3 one end is passed through the slot and connected with the rotating inner ring 4, the adjusting rod 3 other end stretches out the fixed point outer ring 5, the adjusting rod 3 can slide along the slot, the rotating inner ring 4 is driven to rotate in the fixed point outer ring 5, the rotating inner ring rotates to drive the clamping arm 2 to rotate around the rotating shaft 12, and the opening and closing angle adjustment of the clamping end is realized.
As shown in fig. 3, the utility model further comprises an angle adjusting module, the angle adjusting module comprises an adjusting knob 6 and an adjusting plate 10, the adjusting plate 10 comprises two support plates, one ends of the two support plates are connected and perpendicular to each other, the adjusting knob 6 is arranged between the adjusting plate 10 and the fixed point outer ring 5, and the adjusting knob 6 is used for adjusting the included angle between the plane where the adjusting plate 10 is located and the plane where the fixed point outer ring 5 is located; the adjusting knob 6 is a threaded rod, a rotatable steel ball is embedded into the top of the threaded rod, the top of the threaded rod penetrates through the adjusting plate 10 to be abutted to the fixed point outer ring 5, the threaded rod is in threaded connection with the adjusting plate 10, and the included angle between the plane where the adjusting plate 10 is located and the plane where the fixed point outer ring 5 is located is increased by rotating the threaded rod.
As shown in fig. 3, in a certain embodiment of the utility model, adjust knob 6 is provided with threely altogether, and one of them adjust knob 6 sets up the link at two extension boards, and two other adjust knob 6 set up respectively at the other end of two extension boards, can realize the adjustment of the different angles of speculum 9 through carrying out different regulations to three adjust knob 6 and can realize the different adjustments to centering reducing module angle.
In one embodiment of the present invention, a related spring 8 is further connected between the adjusting plate 10 and the fixed point outer ring 5, the related spring 8 is a tension spring, and the related spring 8 is used for tensioning the adjusting plate 10 and the fixed point outer ring 5; as shown in fig. 3, the associated spring 8 is arranged between two adjacent adjusting knobs 6, and the included angle between the plane of the adjusting plate 10 and the plane of the fixed point outer ring 5 is adjusted through the movement of the adjusting knobs 6 on the threaded holes of the adjusting plate 10.
As shown in fig. 4, the adjusting plate 10 is further provided with a base 7, and the base 7 is provided with a threaded hole for fixing the base 7 on the experiment platform, so that the whole centering variable-diameter adjusting frame is fixed on the experiment table.
In the light path regulation experiment, when the speculum of 1inch is changed into 1/2inch as required, at first open speculum fixed knob 1, take off the speculum of 1inch, it rotates to rotate regulation pole 3 and drive and rotate inner ring 4, it drives centre gripping arm 2 and rotates inner ring 4 equidirectional motion to rotate inner ring 4, and the round pin axle of centre gripping arm 2 removes in spout 13 this moment, centre gripping arm 2 revolves 12 rotations of axle simultaneously, realize the size regulation that opens and shuts between the 2 exposed core of a plurality of centre gripping arms, when adjusting to needs the size, place 1/2 inch's speculum wherein, it is fixed with the speculum to utilize speculum fixed knob 1.
In other embodiments of the present invention, the contact surface layer of the reflector fixing knob 1 and the reflector 9 is provided with a rubber layer, which avoids the direct contact between the metal and the glass and protects the lens of the reflector 9.
In other embodiments of the present invention, the sliding groove 13 is a rectangular slot, and the sliding groove 13 points to the center of the fixed point outer ring 5, the fixed point outer ring 5 and the rotating inner ring 4 are concentrically disposed.
Claims (10)
1. A centering and diameter-changing adjusting frame is characterized by comprising a centering and diameter-changing module, wherein the centering and diameter-changing module comprises a fixed point outer ring (5), a rotating inner ring (4) and a clamping arm (2), the rotating inner ring (4) is sleeved in the fixed point outer ring (5), the rotating inner ring (4) can rotate in the fixed point outer ring (5), a sliding groove (13) is formed in the fixed point outer ring (5), a pin shaft (11) is installed at one end of the clamping arm (2), the pin shaft (11) extends into the sliding groove (13), and the pin shaft (11) can move along the length direction of the sliding groove (13); the clamping arm (2) is hinged with the rotating inner ring (4) through a rotating shaft (12); the other end of centre gripping arm (2) is for being used for the exposed core of centre gripping speculum (9), the exposed core installs fixed knob (1) that is used for fixed speculum (9), when rotating inner ring (4) and taking place to rotate, drives exposed core (2) and revolutes pivot (12) and rotates, realizes the angle modulation that opens and shuts of exposed core.
2. A centering and diameter-changing adjusting frame as claimed in claim 1, wherein the rotating inner ring (4) is connected with an adjusting rod (3), and the adjusting rod (3) is used for driving the rotating inner ring (4) to rotate.
3. The centering and diameter-changing adjusting frame according to claim 1, further comprising an angle adjusting module connected with the centering and diameter-changing module, wherein the angle adjusting module comprises an adjusting knob (6) and an adjusting plate (10), the adjusting plate (10) comprises two support plates, one ends of the two support plates are connected and perpendicular to each other, the adjusting knob (6) is arranged between the adjusting plate (10) and the fixed-point outer ring (5), and the adjusting knob (6) is used for adjusting an included angle between a plane where the adjusting plate (10) is located and a plane where the fixed-point outer ring (5) is located.
4. A centering diameter-changing adjusting bracket according to claim 3, characterized in that a related spring (8) is connected between the adjusting plate (10) and the fixed point outer ring (5), the related spring (8) is a tension spring, and the related spring (8) is used for tensioning the adjusting plate (10) and the fixed point outer ring (5).
5. A centering diameter-changing adjusting bracket according to claim 3, characterized in that the number of the adjusting knobs (6) is three, one of the adjusting knobs (6) is arranged at the connecting end of the two support plates, and the other two adjusting knobs (6) are respectively arranged at the other ends of the two support plates.
6. A centering and diameter-changing adjusting bracket as claimed in claim 1, wherein the surface layer of the fixing knob (1) contacting with the reflector (9) is provided with a rubber layer.
7. The centering and diameter-changing adjusting bracket as claimed in claim 3, wherein a base (7) is further mounted on the adjusting plate (10), and a threaded hole for connecting an experimental platform is formed in the base (7).
8. A centering diameter-changing adjusting bracket according to claim 1, wherein the sliding groove (13) is a rectangular groove, the sliding groove (13) points to the center of the fixed point outer ring (5), and the fixed point outer ring (5) and the rotating inner ring (4) are concentrically arranged.
9. A centring and diameter-changing adjusting stand according to claim 1, characterised in that there are at least two of the gripping arms (2).
10. A centering and diameter-changing adjusting bracket as claimed in claim 1, wherein the number of the clamping arms (2) is three, and the three clamping arms (2) are distributed on the rotating inner ring (4) in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321754.8U CN211349851U (en) | 2019-12-20 | 2019-12-20 | Centering reducing adjusting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321754.8U CN211349851U (en) | 2019-12-20 | 2019-12-20 | Centering reducing adjusting bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211349851U true CN211349851U (en) | 2020-08-25 |
Family
ID=72103370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922321754.8U Active CN211349851U (en) | 2019-12-20 | 2019-12-20 | Centering reducing adjusting bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211349851U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968469A (en) * | 2020-10-23 | 2020-11-20 | 南京蹦蹦哒哒信息科技有限公司 | Teaching is with single slit diffraction and double slit interference experiment demonstration integrated device |
| CN112113084A (en) * | 2020-09-21 | 2020-12-22 | 深圳市晶鸿电子有限公司 | Visual angle adjustable liquid crystal screen |
| CN113458628A (en) * | 2021-09-02 | 2021-10-01 | 南通华恩医疗设备制造有限公司 | Laser cutting machine is used in medical instrument production |
-
2019
- 2019-12-20 CN CN201922321754.8U patent/CN211349851U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113084A (en) * | 2020-09-21 | 2020-12-22 | 深圳市晶鸿电子有限公司 | Visual angle adjustable liquid crystal screen |
| CN111968469A (en) * | 2020-10-23 | 2020-11-20 | 南京蹦蹦哒哒信息科技有限公司 | Teaching is with single slit diffraction and double slit interference experiment demonstration integrated device |
| CN111968469B (en) * | 2020-10-23 | 2021-02-09 | 苏州巴涛信息科技有限公司 | Teaching is with single slit diffraction and double slit interference experiment demonstration integrated device |
| CN113458628A (en) * | 2021-09-02 | 2021-10-01 | 南通华恩医疗设备制造有限公司 | Laser cutting machine is used in medical instrument production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211349851U (en) | Centering reducing adjusting bracket | |
| CN207746933U (en) | A kind of various dimensions lens clamping device | |
| CN207746932U (en) | A kind of eyeglass holding frame | |
| CN212805332U (en) | Lamp capable of adjusting beam angle | |
| CN210649573U (en) | Installation clamp for cambered surface frame of optical coating umbrella | |
| TW201317697A (en) | Focusing mechanism | |
| US20090268467A1 (en) | Lamp adjustment in a light fixture | |
| CN211036090U (en) | Coating jig for mobile phone camera lens | |
| CN101430074B (en) | Light source and lamp regulator in light source | |
| CN108982547A (en) | A kind of device being recessed for detecting glass substrate | |
| CN210623965U (en) | Curved surface adjusting mechanism of LED display screen | |
| CN218494822U (en) | Angle-adjustable blackboard lamp | |
| CN106813210B (en) | Lamp mounting equipment | |
| CN217111411U (en) | Optical testing device | |
| CN218295492U (en) | Indoor adjustable spotlight | |
| CN218240526U (en) | Support is used in installation of lens that difficult pine takes off | |
| CN217584125U (en) | Camera flashlight capable of adjusting illumination distance | |
| CN114325944B (en) | Fixing device for light source illumination module of fusion splicer | |
| CN213634076U (en) | Integral type mount for lamp shade | |
| CN214277641U (en) | Angle position adjusting device | |
| CN212515202U (en) | Light source adjusting mechanism of microscope | |
| CN218510708U (en) | Focusing structure and lamp comprising same | |
| CN212226784U (en) | Clamp lamp convenient to adjustment direction of illumination | |
| CN210088728U (en) | Stage lamp effect device capable of automatically clamping effect disc | |
| CN218847855U (en) | Cable bending test equipment capable of stably guiding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |