CN212364722U - A runing rest for laser energy control - Google Patents
A runing rest for laser energy control Download PDFInfo
- Publication number
- CN212364722U CN212364722U CN202020477599.9U CN202020477599U CN212364722U CN 212364722 U CN212364722 U CN 212364722U CN 202020477599 U CN202020477599 U CN 202020477599U CN 212364722 U CN212364722 U CN 212364722U
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- Prior art keywords
- lens
- connecting rod
- knob
- lens support
- worm wheel
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- 238000006243 chemical reaction Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 8
- 206010028980 Neoplasm Diseases 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002536 laser-induced breakdown spectroscopy Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model discloses a rotary bracket for controlling laser energy, which comprises a shell, wherein the shell is in a square shape and is divided into two vertical side walls, a horizontal bottom wall and a horizontal top wall, and the two side walls are respectively provided with an incident hole and an emergent hole; the lens support comprises a base, a connecting column, a gear and a lens frame, the base is fixed on the bottom wall, one end of the connecting column is movably connected with the base, the other end of the connecting column is fixedly connected with the lens frame, and the gear is fastened on the connecting column; the lens support is divided into a first lens support and a second lens support, gears of the first lens support and the second lens support are positioned at the same horizontal position and are mutually meshed, the first lens support is also connected with an adjusting mechanism, and the adjusting mechanism is divided into a coarse adjusting mechanism, a fine adjusting mechanism and a switching mechanism; through the arrangement, when the laser energy is controlled, a detector can adjust the angle accurately, the use is convenient, the problem that the laser cannot meet the detection requirement due to overlarge amplitude during adjustment is avoided, and the problem that the consumed time is too long can be avoided.
Description
Technical Field
The utility model relates to a laser control field especially relates to a runing rest for laser energy control.
Background
Optical diagnosis is a common technical means in modern medicine, and in the detection of tumors, the laser-induced breakdown spectroscopy technology is a very effective detection technology. Compared with normal tissues, the tumor tissues of the human body have certain changes. Laser induction is utilized to generate a spectrum, and related spectrum data are collected, so that basis is provided for tumor diagnosis, and reference is provided for subsequent treatment. When laser induction is used, the output energy of the laser needs to be adjusted and controlled to meet the detection requirement, the prior art generally controls the energy of the laser by changing the light transmittance of the laser, and the adjustment of the angles of the attenuation lens and the angle compensation lens is used, but the adjustment is very rough, the misalignment is easy, and the adjustment to the required angle is not easy or the time spent on adjusting to the required angle is long.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art angle regulation is difficult for the shortcoming of controlling, provides a runing rest for laser energy control that can carry out the accurate lens of adjusting.
A rotary support for laser energy control comprises a shell, wherein the shell is in a square shape and is divided into two vertical side walls, a bottom wall and a top wall, and the two side walls are respectively provided with an incident hole and an emergent hole;
the bottom wall is provided with a lens support, the lens support comprises a base, a connecting column, a gear and a lens frame, the base is fixed on the bottom wall of the shell, one end of the connecting column is movably connected with the base, the other end of the connecting column is fixedly connected with the lens frame, the gear is fastened on the connecting column, and the lens frame can contain lenses;
two groups of lens supports are arranged on the bottom wall, namely a first lens support and a second lens support, gears of the first lens support and the second lens support are positioned at the same horizontal position and are mutually meshed, and the first lens support is also connected with an adjusting mechanism;
the adjusting mechanism is divided into a coarse adjusting mechanism, a fine adjusting mechanism and a converting mechanism, the coarse adjusting mechanism comprises a connecting rod and a coarse knob, one end of the connecting rod is fixedly connected with the lens frame, the other end of the connecting rod extends upwards, extends out of the top wall, and the end face extending out of the top wall extends towards the periphery to form the coarse knob;
the fine adjustment mechanism comprises a worm wheel and a worm, the worm wheel is movably connected with the connecting rod, and the worm penetrates into the inner wall of the other side wall from the outside of the side wall of one side and is rotatably connected with the side walls of the two sides; a worm wheel is meshed with the spiral part of the worm, and a thin knob is arranged at one end of the worm, which extends out of the side wall;
the switching mechanism is sleeved on the connecting rod in a vertically sliding manner, the worm wheel is also sleeved on the connecting rod and positioned below the switching mechanism, and the switching mechanism, the worm wheel and the connecting rod are coaxially arranged;
the conversion mechanism which slides to one end to be in contact with the worm wheel is detachably connected with the worm wheel in a transmission way, the conversion mechanism which slides to one end to be in contact with the coarse knob is connected with the coarse knob in a buckling way, and the conversion mechanism is connected with the connecting rod in a transmission way;
the worm wheel is rotatably connected with the connecting rod.
Furthermore, crown teeth which are meshed with each other are arranged on the contact surface of the conversion mechanism and the worm wheel.
Furthermore, be equipped with the arch on the periphery wall of thick knob, be equipped with on the shifter and hold the counter bore of thick knob, the mouth of counter bore is prolonged and is seted up can with the draw-in groove that protruding buckle is connected.
Furthermore, scales are arranged on the exposed top wall of the thick knob.
Furthermore, scales are arranged on the exposed side wall of the thin knob.
Furthermore, a spline groove is formed in the conversion mechanism, and a spline which can be in sliding fit with the spline groove is arranged on the connecting rod.
The utility model discloses a setting of adjustment mechanism, when making control laser energy, the angle of adjusting the lens has two kinds of different fineness modes occasionally, make the connecting rod drive below lens support through thick adjustment mechanism and carry out rotation by a relatively large margin, then through the characteristic of worm and worm wheel in the fine adjustment mechanism, the rotation worm makes the rotation of worm wheel by a small margin, make the lens support also carry out the rotation by a small margin, through slip conversion mechanism to being connected with thick knob buckle, make the conversion mechanism not be connected with the worm wheel, the worm wheel does not have the transmission relation between thick knob, the rotatory knob that can be free, slip conversion mechanism to being connected with worm wheel transmission, make the worm, the worm wheel, produce the transmission relation between conversion mechanism and the connecting rod, then can operate the worm and carry out slight regulation, and because the worm wheel can't drive to the worm in reverse, make only can operate the worm to rotate the lens, the coarse knob is invalid, and the influence of misoperation of the coarse knob on adjustment is avoided. Through the arrangement, tumor detection personnel can adjust the angle accurately when controlling the laser energy, the use is convenient, the problem that the laser cannot meet the detection requirement due to overlarge amplitude during adjustment is avoided, and the problem that the consumed time is too long can be avoided.
Drawings
Fig. 1 is a front view of a rotating mount for laser energy control in an embodiment of the present invention;
fig. 2 is an internal schematic view of a rotating mount for laser energy control in an embodiment of the present invention;
3 FIG. 33 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3
Fig. 4 is a sectional view taken along line B-B in fig. 2.
The reference numerals include: the lens holder comprises an incident hole 1, an emergent hole 2, a first lens holder 3, a base 31, a gear 33, a second lens holder 4, an attenuating lens 5, an angle compensation lens 6, a connecting rod 7, a thick knob 8, a worm wheel 9, a worm 10, a thin knob 11 and a conversion mechanism 12.
Detailed Description
The rotating support for laser energy control in this embodiment is substantially as shown in fig. 1 and comprises a housing in the shape of a square divided into two vertical side walls and two horizontal bottom and top walls. As shown in fig. 2, an incident hole 1 and an exit hole 2 are formed on both vertical side walls, and the incident hole 1 and the exit hole 2 are coaxially arranged. Two groups of lens supports are arranged on the bottom wall, namely a first lens support 3 and a second lens support 4, the first lens support 3 is provided with an attenuation lens 5, the second lens support 4 is provided with an angle compensation lens 6, and the centers of the attenuation lens 5 and the angle compensation lens 6 are positioned on the same horizontal line with the centers of the incident hole 1 and the emergent hole 2. The angles and directions of the attenuating lens 5 and the angle compensation lens 6 are adjusted and fixed according to the refractive indexes during production, so that laser enters from the incident hole 1, is refracted by the attenuating lens 5 and the angle compensation lens 6, is controlled in energy and then exits from the exit hole 2.
As shown in fig. 2, first and second lens support 4 all include base 31, spliced pole, gear 33 and lens frame, and base 31 fixes on the diapire of shell, the one end and the base 31 swing joint of spliced pole, the other end and lens frame fixed connection, fixed connection can adopt modes such as butt fusion, gluing, perhaps direct integrated into one piece when producing. The gear 33 is fastened to the connecting column and can be welded directly or keyed. The lens frame is rectangular, the middle part of the lens frame is provided with a circular hollow, the lens can be placed in the lens frame, and the circular hollow can expose the main body part of the lens, so that laser can irradiate the lens. As shown in fig. 4, the gears 33 of the first lens holder 3 and the second lens holder 4 are located at the same horizontal position and engaged with each other. In addition, the first lens holder 3 is further connected with an adjusting mechanism.
Adjustment mechanism divide into coarse adjustment mechanism, fine adjustment mechanism and shifter 12, and coarse adjustment mechanism includes connecting rod 7 and thick knob 8, and 7 one end of connecting rod and lens frame fixed connection, the other end upwards extend, stretch out the roof, the terminal surface that stretches out the roof extends to all around and forms thick knob 8, is equipped with the scale on the roof that thick knob 8 exposes, makes things convenient for the user of service to the meticulous quantization control of angle regulation. The connecting rod 7 can be twisted by the thick knob 8, the connecting rod 7 drives the first lens support 3 to rotate, the first lens support 3 rotates, the gear 33 of the first lens support also rotates, the gear 33 of the second lens support 4 meshed with the first lens support also rotates along with the first lens support, and the second lens support 4 is driven to rotate, namely, the second lens support 4 can rotate along with the first lens support 3.
As shown in fig. 3, the fine adjustment mechanism includes a worm wheel 9 and a worm 10, the worm wheel 9 is sleeved on the connecting rod 7 and is connected with the connecting rod 7 in a sliding manner, a bearing can be arranged between the worm wheel 9 and the connecting rod 7, the inner ring of the bearing is in interference fit with the connecting rod 7, the outer ring of the bearing is fixedly connected with the inner wall of the wheel hole of the worm wheel 9, an annular boss can be adopted to support the bearing and the worm wheel 9, and the connecting rod 7 passes through the center of the annular boss and is in clearance fit with the inner peripheral wall of the annular boss;
the worm 10 is penetrated from the outside of one side wall to the inner wall of the other side wall and is rotationally connected with the side walls on two sides, in the embodiment, the worm is realized by installing bearings in the two side walls, and naturally, the parts of the worm 10 penetrating into the side walls on two sides are in interference fit with corresponding bearing inner rings. The spiral part on the worm 10 is meshed with the worm wheel 9, the end of the worm 10 extending out of the side wall is provided with a thin knob 11, and the thin knob 11 is fastened at the end of the worm 10 extending out of the side wall. Scales are arranged on the exposed end face of the fine knob 11, so that a user can conveniently quantize the fine knob during adjustment. The fine knob 11 is rotated to rotate the worm 10, and the worm 10 rotates to drive the worm wheel 9 to rotate. The side of the worm wheel 9 facing the thick knob 8 is provided with crown teeth.
The conversion mechanism 12 is integrally cylindrical and sleeved on the connecting rod 7, an external spline can be arranged on the connecting rod 7 in a fixing mode, an internal spline is arranged inside the conversion mechanism 12, and the internal spline and the external spline are in sliding fit, so that the conversion mechanism 12 can extend the connecting rod 7 to slide up and down and can transmit torque. Crown teeth which can be meshed with crown teeth on the worm wheel 9 are arranged at one end, facing the worm wheel 9, of the conversion mechanism 12, and after the crown teeth at the two sides are meshed, transmission connection among the worm wheel 9, the conversion mechanism 12 and the connecting rod 7 is formed, so that when the worm wheel 9 rotates, the connecting rod 7 rotates together through the conversion mechanism 12; when the engagement of the crown teeth on both sides of the upward slide converting mechanism 12 is released, the transmission connection is disconnected and the connecting rod 7 does not rotate together with the worm wheel 9. The other end of the conversion mechanism 12 extends out of the top wall, a bulge used for clamping is arranged on the outer peripheral wall of the thick knob 8, a counter bore capable of containing the thick knob 8 is formed in the top surface of the conversion mechanism 12 extending out of the top wall, a clamping groove connected with the bulge in a clamping mode is formed in the extending position of the counter bore, through the clamping and the structure, the conversion mechanism can be fixed through clamping connection between the conversion mechanism and the thick knob 8 after sliding upwards, and when the conversion mechanism 12 needs to slide downwards, the clamping groove is separated from the bulge due to external force so as to remove clamping connection.
During the use, when controlling laser energy, at first upwards mention shifter 12, be connected with thick knob 8 buckle, rotate thick knob 8, drive the first lens support 3 of below and rotate, first lens rotates and drives the same rotation of second lens for first lens support 3 and second lens support 4 rotate simultaneously and keep the angle of setting for when producing. When precise adjustment is needed, the conversion mechanism 12 is pressed downwards to enable crown teeth to be matched with each other, the crown teeth are connected with the worm wheel 9, then the fine knob 11 is rotated, the worm 10 rotates to drive the worm wheel 9 to rotate, the connecting mechanism connected to the worm wheel 9 also rotates, the connecting rod 7 also rotates to enable the first lens support 3 to also rotate, so that the lens is precisely adjusted by utilizing the large transmission ratio between the worm wheel 9 and the worm 10 to achieve the detection requirement, the transmission ratio between the worm wheel 9 and the worm 10 in the embodiment is designed to be 1/72 (the worm wheel 9 and the worm in the embodiment are only used for illustration and do not show the actual transmission ratio in the embodiment), namely, the worm 10 rotates for one circle, the worm wheel 9 rotates for 1/72 circles, namely, the fine knob 11 rotates for one circle, the worm wheel 9 drives the first lens support 3 to rotate for 5 degrees, and the fine adjustment can be realized through the scale on the fine knob 11, for example, by equally dividing the stroke 50 of one rotation of the fine knob 11 by a scale, the adjustment with the accuracy of 0.1 degree can be realized. Therefore, the problems that the amplitude is too large during adjustment and laser cannot meet the detection requirement and the time consumption is too much can be avoided, and the laser is convenient for users to use. The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (6)
1. A rotary support for laser energy control comprises a shell, wherein the shell is in a square shape and is divided into two vertical side walls, a bottom wall and a top wall, and the two side walls are respectively provided with an incident hole and an emergent hole;
the bottom wall is provided with a lens support, the lens support comprises a base, a connecting column, a gear and a lens frame, the base is fixed on the bottom wall of the shell, one end of the connecting column is movably connected with the base, the other end of the connecting column is fixedly connected with the lens frame, the gear is fastened on the connecting column, and the lens frame can contain lenses;
two groups of lens supports are arranged on the bottom wall, namely a first lens support and a second lens support, and gears of the first lens support and the second lens support are positioned at the same horizontal position and are mutually meshed;
the lens holder is characterized in that the first lens holder is also connected with an adjusting mechanism;
the adjusting mechanism is divided into a coarse adjusting mechanism, a fine adjusting mechanism and a converting mechanism, the coarse adjusting mechanism comprises a connecting rod and a coarse knob, one end of the connecting rod is fixedly connected with the lens frame, the other end of the connecting rod extends upwards, extends out of the top wall, and the end face extending out of the top wall extends towards the periphery to form the coarse knob;
the fine adjustment mechanism comprises a worm wheel and a worm, the worm wheel is movably connected with the connecting rod, and the worm penetrates into the inner wall of the other side wall from the outside of the side wall of one side and is rotatably connected with the side walls of the two sides; a worm wheel is meshed with the spiral part of the worm, and a thin knob is arranged at one end of the worm, which extends out of the side wall;
the switching mechanism is sleeved on the connecting rod in a vertically sliding manner, the worm wheel is also sleeved on the connecting rod and positioned below the switching mechanism, and the switching mechanism, the worm wheel and the connecting rod are coaxially arranged;
the conversion mechanism which slides to one end to be in contact with the worm wheel is detachably connected with the worm wheel in a transmission way, the conversion mechanism which slides to one end to be in contact with the coarse knob is connected with the coarse knob in a buckling way, and the conversion mechanism is connected with the connecting rod in a transmission way;
the worm wheel is rotatably connected with the connecting rod.
2. The rotating bracket for laser energy control according to claim 1, wherein the face of the conversion mechanism contactable with the worm gear is provided with intermeshing crown teeth.
3. The rotating bracket for laser energy control according to claim 1, wherein a protrusion is disposed on the outer peripheral wall of the thick knob, a counter bore capable of accommodating the thick knob is disposed on the conversion mechanism, and a slot capable of being connected with the protrusion in a snap-fit manner is disposed on an opening of the counter bore.
4. The rotating bracket for laser energy control according to claim 1, wherein the exposed top wall of the thick knob is provided with a scale.
5. The rotating bracket for laser energy control according to claim 1, wherein the exposed side wall of the fine knob is provided with a scale.
6. The rotating bracket for laser energy control according to claim 1, wherein the switching mechanism has a spline groove formed therein, and the connecting rod has a spline slidably engaged with the spline groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477599.9U CN212364722U (en) | 2020-04-03 | 2020-04-03 | A runing rest for laser energy control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477599.9U CN212364722U (en) | 2020-04-03 | 2020-04-03 | A runing rest for laser energy control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212364722U true CN212364722U (en) | 2021-01-15 |
Family
ID=74138828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020477599.9U Expired - Fee Related CN212364722U (en) | 2020-04-03 | 2020-04-03 | A runing rest for laser energy control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212364722U (en) |
-
2020
- 2020-04-03 CN CN202020477599.9U patent/CN212364722U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |