CN209929672U - Crystal clamping and fixing device - Google Patents
Crystal clamping and fixing device Download PDFInfo
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- CN209929672U CN209929672U CN201920941440.5U CN201920941440U CN209929672U CN 209929672 U CN209929672 U CN 209929672U CN 201920941440 U CN201920941440 U CN 201920941440U CN 209929672 U CN209929672 U CN 209929672U
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- crystal
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Abstract
The utility model discloses a crystal clamping and fixing device, wherein a crystal seat is provided with a containing groove for containing the crystal, the compressing component comprises a bolt and an elastic element, the bolt is matched on the crystal seat, the elastic element is arranged at the head part of the bolt, and the elastic element is used for compressing the crystal; the accommodating groove on the crystal seat is used for accommodating the crystal, the crystal seat is used for dissipating heat, the bolt is rotated, the elastic element moves towards the crystal in the accommodating groove and compresses the crystal, the screwing depths of the bolt are different, the pressing force of the elastic element on the crystal is different, and compared with the existing direct pressing and holding mode, the clamping force applied to the crystal is elastic and variable, so that good heat dissipation can be provided for the laser crystal, meanwhile, the pressure applied to the crystal is effectively reduced, and the risk of deformation and fracture of the laser crystal is greatly reduced.
Description
Technical Field
The utility model relates to a laser instrument technical field especially relates to a crystal centre gripping fixing device.
Background
In a resonant cavity of an end-pumped laser, a laser crystal serves as a gain medium of the whole resonant cavity, the whole resonant cavity provides energy conversion, light emitted by a semiconductor diode pump source serving as an energy source is pumped into the laser crystal through a coupling system, after the laser crystal absorbs the pump light, one part of the light is converted into light oscillating in the resonant cavity, the other part of the light exists in the form of heat, the heat needs to be processed in time, the quality of heat dissipation processing can directly influence the overall performance and stability of the laser, the traditional design scheme is generally rigid mechanical clamping, but due to errors existing in crystal processing and mechanical processing, the pressing strength of the crystal and a mechanical structure for heat dissipation is difficult to grasp, if the heat dissipation is too loose, the heat dissipation is not good, and if the heat dissipation is too tight, crystal fracture can be caused.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides a crystal centre gripping fixing device.
The utility model provides a crystal clamping and fixing device, which comprises a crystal seat and a pressing component;
the crystal seat is provided with a containing groove for containing the crystal;
the pressing assembly comprises a bolt and an elastic element, the bolt is matched on the crystal seat, the elastic element is installed at the head of the bolt, and the elastic element is used for pressing the crystal.
Preferably, the pressing assembly further comprises a pressing piece fixed on the elastic element, and the pressing piece is used for abutting against the crystal.
Preferably, the compressing assembly further comprises a connecting piece, the connecting piece is fixed on the compressing assembly, and the head of the bolt is in running fit with the connecting piece.
Preferably, the elastic member is provided in plural, and plural elastic members are arranged in parallel.
Preferably, the pressing assembly is provided in plurality, and the plurality of pressing assemblies respectively press the crystal from different directions.
The utility model discloses in, the crystal centre gripping fixing device that provides, storage tank on the crystal seat is used for the holding the crystal, the crystal seat is used for the heat dissipation, the rotation bolt, elastic element removes and compresses tightly the crystal to the crystal in the storage tank, the bolt precession degree of depth is different, elastic element is different to the packing force of crystal, for current direct pressure mode of holding, the clamping-force that the crystal received is elastic force and changeable, therefore can provide good radiating while for laser crystal, reduce the pressure of applying on the crystal effectively, greatly reduced laser crystal deformation and cracked risk.
Drawings
Fig. 1 is an isometric view of a crystal holding and fixing device according to the present invention;
fig. 2 is a side view of a crystal holding and fixing device according to the present invention;
fig. 3 is a cross-sectional view of a crystal holding and fixing device according to the present invention;
fig. 4 is a partial schematic view of a crystal holding and fixing device according to the present invention;
fig. 5 is a partial schematic view of a crystal holding and fixing device according to the present invention.
Detailed Description
As shown in fig. 1-5, fig. 1 is an axonometric view of a crystal holding and fixing device provided by the present invention, fig. 2 is a side view of a crystal holding and fixing device provided by the present invention, fig. 3 is a cross-sectional view of a crystal holding and fixing device provided by the present invention, fig. 4 is a local schematic view of a crystal holding and fixing device provided by the present invention, fig. 5 is a local schematic view of a crystal holding and fixing device provided by the present invention.
Referring to fig. 1-3, the utility model provides a crystal clamping and fixing device, which comprises a crystal seat 1 and a pressing component;
the crystal seat 1 is used for being connected with the bottom of the resonant cavity, redundant heat on the crystal is conducted out in a passive heat dissipation mode, a containing groove used for containing the crystal is formed in the crystal seat 1, the space of the containing groove in the embodiment is multiple times of that of the crystal, the containing groove is provided with a vertical side wall and a horizontal bottom wall, the crystal is placed at the corner of the containing groove, two adjacent sides of the crystal are respectively abutted against the horizontal bottom wall and the vertical side wall to form surface contact, and the surface of the crystal is coated with a metal foil, so that the heat on the crystal can be dissipated out through the crystal seat 1;
the pressing assembly comprises a bolt 2 and an elastic element 3, the elastic element 3 in the embodiment is a spring, the bolt 2 is matched on the crystal seat 1, the elastic element 3 is arranged at the head of the bolt 2, and the elastic element 3 is used for pressing the crystal.
The utility model discloses in, the crystal centre gripping fixing device that provides, the storage tank on the crystal seat 1 is used for the holding the crystal, crystal seat 1 is used for the heat dissipation, rotate bolt 2, elastic element 3 removes and compresses tightly the crystal to the crystal in the storage tank, bolt 2 precession degree of depth is different, elastic element 3 is different to the packing force of crystal, for current direct pressure mode of holding, the clamping-force that the crystal received is elastic force and changeable, therefore can provide good radiating when laser crystal, reduce the pressure of applying on the crystal effectively, greatly reduced laser crystal deformation and cracked risk.
Referring to fig. 3, in the present embodiment, the pressing assembly further includes a pressing sheet 4, the pressing sheet 4 is fixed at an end of the elastic element 3 away from the bolt 2, and the pressing sheet 4 is configured to abut against the crystal.
Referring to fig. 3, the pressing assembly further includes a connecting member 5, the connecting member 5 in this embodiment is a strip-shaped plate-shaped structure, the connecting member 5 is fixed on the elastic element 3, the head of the bolt 2 is rotatably fitted on the connecting member 5, when the bolt 2 is rotated, the connecting member 5 is kept not to rotate, the bolt 2 presses the connecting member 5 to move, the connecting member 5 presses the elastic element 3, the elastic element 3 presses the pressing piece 4, and the pressing piece 4 presses the crystal.
In this embodiment, three elastic elements 3 are provided, the three elastic elements 3 are arranged in parallel, the three elastic elements 3 are connected with one connecting piece 5, each elastic element 3 is connected with one pressing piece 4, and the three pressing pieces 4 press the crystal together.
In this embodiment, the two pressing assemblies are arranged, and the two pressing assemblies respectively press the crystal from different directions, specifically, the stretching direction of the elastic element 3 in one of the pressing assemblies is perpendicular to the vertical side wall, and the stretching direction of the elastic element 3 in the other pressing assembly is perpendicular to the vertical side wall, so that the crystal is pressed from two mutually perpendicular directions.
In another design mode, referring to fig. 4, fig. 4 only shows a local structure, the section of the accommodating groove is of a V-shaped structure, the crystal is placed in the accommodating groove, the local part of the crystal is located outside the accommodating groove, the pressing sheet 4 is also of a V-shaped structure, the pressing sheet 4 is clamped at one edge of the crystal, and only one pressing assembly is arranged, so that the crystal is stably clamped.
In another design mode, referring to fig. 5, fig. 5 only shows a partial structure, the cross section of the accommodating groove is a rectangular structure, the crystal is placed in the accommodating groove, the partial crystal is located outside the accommodating groove, three pressing assemblies are provided, and the pressing sheets 4 of the three pressing assemblies respectively abut against three surfaces of the crystal, so that the crystal is stably clamped.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A crystal clamping and fixing device is characterized by comprising a crystal seat (1) and a pressing component;
the crystal seat (1) is provided with a containing groove for containing the crystal;
the pressing assembly comprises a bolt (2) and an elastic element (3), the bolt (2) is matched on the crystal seat (1), the elastic element (3) is installed at the head of the bolt (2), and the elastic element (3) is used for pressing the crystal.
2. Crystal holding fixture according to claim 1, characterized in that the hold-down assembly further comprises a hold-down tab (4), the hold-down tab (4) being fixed to the elastic element (3), the hold-down tab (4) being adapted to abut against the crystal.
3. Crystal holding fixture according to claim 1, characterized in that the compression assembly further comprises a connector (5), the connector (5) being fixed to the elastic element (3), the head of the bolt (2) being a running fit on the connector (5).
4. Crystal holding fixture according to claim 1, characterized in that the resilient member (3) is provided in plurality, the plurality of resilient members (3) being arranged in parallel.
5. The crystal holding fixture of any one of claims 1-4, wherein the hold-down assembly is provided in plurality, the hold-down assemblies each holding down the crystal from different directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941440.5U CN209929672U (en) | 2019-06-21 | 2019-06-21 | Crystal clamping and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941440.5U CN209929672U (en) | 2019-06-21 | 2019-06-21 | Crystal clamping and fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929672U true CN209929672U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920941440.5U Active CN209929672U (en) | 2019-06-21 | 2019-06-21 | Crystal clamping and fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722354A (en) * | 2020-06-15 | 2020-09-29 | 重庆邮电大学 | Adjusting system for crystal bar in LD side pumping module and operation method thereof |
-
2019
- 2019-06-21 CN CN201920941440.5U patent/CN209929672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722354A (en) * | 2020-06-15 | 2020-09-29 | 重庆邮电大学 | Adjusting system for crystal bar in LD side pumping module and operation method thereof |
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