CN216485712U - Adjustable beam expanding lens - Google Patents
Adjustable beam expanding lens Download PDFInfo
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- CN216485712U CN216485712U CN202122650250.8U CN202122650250U CN216485712U CN 216485712 U CN216485712 U CN 216485712U CN 202122650250 U CN202122650250 U CN 202122650250U CN 216485712 U CN216485712 U CN 216485712U
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- 230000005484 gravity Effects 0.000 claims description 11
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Abstract
The utility model provides an adjustable beam expander, which comprises a base, a beam expander body, a leveling component and a counterweight type horizontal observation instrument, wherein the beam expander body is positioned on the base; at least three groups of leveling assemblies are uniformly distributed along the circumference of the base, each group of leveling assemblies comprises a supporting leg, a connecting rod, a connecting ball and a limiting piece, and the connecting rods are vertically arranged along the vertical direction and are positioned on the supporting legs; the connecting ball is slidably sleeved on the connecting rod, can slide along the length extension direction of the connecting rod and is in ball hinge joint with the outer peripheral wall of the base; the limiting piece is positioned below the connecting ball; the counterweight type horizontal observation instrument comprises a measuring part and a counterweight part, wherein the upper end of the measuring part is in flexible connection with the bottom of the base; the counterweight is connected with the lower end of the measuring part. The utility model provides an adjustable beam expander through leveling subassembly adjustment levelness, can make operating personnel obviously distinguish out the base through measuring part and balancing weight and whether be the horizontality for adjust convenient and fast more.
Description
Technical Field
The utility model belongs to the technical field of beam expanders, and particularly relates to an adjustable beam expander.
Background
The beam expander is a lens assembly capable of changing the diameter and divergence angle of the laser beam. In the field of wide spectrum detection, the beam expander has the main function of expanding the aperture of the collimator and realizing the detection of the consistency of the optical axis of the long baseline equipment. When the laboratory detects, because the levelness of laboratory bench desktop is guaranteed to some extent, so the beam expanding lens is placed alright guarantee the levelness on the laboratory bench. However, when the detection is needed, because the levelness of the working table provided outside cannot be guaranteed, an operator needs to detect the levelness of the beam expanding lens by means of an external laser leveling instrument, and if the beam expanding lens is not level, the laser leveling instrument generates buzzing sound, and the operator adjusts the posture of the beam expanding lens by means of adding a gasket and the like until buzzing stops. Leveling is carried out by raising the beam expander, so that the leveling effect is poor and the consumed time is long. In addition, due to the existence of dust in the external environment, the laser leveling instrument sometimes stops buzzing and causes measurement errors under the condition that the laser leveling instrument is not leveled in actual use.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an adjustable beam expander, aiming at solving the problems that the leveling effect of the existing leveling mode is poor, the leveling degree of the beam expander is not stable enough due to the instability of a laser leveling instrument, and the detection precision is influenced when the beam expander is detected out.
In order to achieve the purpose, the utility model adopts the technical scheme that: the adjustable beam expander comprises a base, a beam expander body, a leveling assembly and a counterweight type horizontal observation instrument, wherein the beam expander body is positioned on the base; at least three groups of leveling assemblies are uniformly distributed along the circumference of the base, the base can be adjusted to enable the beam expander body to be in a horizontal position, each group of leveling assemblies comprises a supporting leg, a connecting rod, a connecting ball and a limiting piece, the connecting rod is vertically arranged along the vertical direction, and the lower end of the connecting rod is connected to the supporting leg; the connecting ball is slidably sleeved on the connecting rod, can slide along the length extension direction of the connecting rod and is in ball hinge joint with the outer peripheral wall of the base; the limiting piece is positioned below the connecting ball and can be fixed on the connecting rod when the connecting ball slides in place so as to resist the downward sliding of the connecting ball; the counterweight type horizontal observer comprises a measuring part and a counterweight part, wherein the upper end of the measuring part is in flexible connection with the bottom of the base; the counterweight is connected with the lower extreme of measuring part, and measuring part can be along with the regulation of base, under the action of gravity of counterweight, keeps the extension of lower extreme orientation gravity direction throughout.
In one possible implementation, the measuring portion comprises a flexible cord or a cylindrical rod.
In a possible implementation manner, the counterweight type horizontal observation instrument further comprises a protractor which is vertically arranged on the bottom of the base, and the connection position of the upper end of the measuring part and the bottom of the base is at the central point position of the protractor.
In a possible implementation manner, the limiting part is a leveling nut, the connecting rod is provided with an external thread connecting part in a matching manner, and the leveling nut can be connected with the external thread connecting part.
In a possible implementation mode, the base is rotatably provided with a turntable and a driving assembly for driving the turntable to rotate, the rotating axis of the turntable is perpendicular to the bottom surface of the base, and the beam expanding lens body is arranged on the turntable.
In a possible implementation mode, a first accommodating cavity and a second accommodating cavity which are communicated with each other are arranged on the base, the upper end of the first accommodating cavity is open, the rotary disc is arranged in the first accommodating cavity and seals the upper end of the first accommodating cavity, the driving assembly comprises a worm wheel and a worm, the worm wheel is rotatably arranged in the first accommodating cavity, the rotary disc is arranged on the worm wheel, and the worm wheel is coaxial with the rotary disc; the worm is rotatably arranged in the second accommodating cavity, the worm is meshed with the worm wheel, and one end of the worm extends out of the base.
In one possible implementation, the upper end face of the base is provided with angle scale marks around the rotary table along the circumferential direction, and the rotary table is provided with a pointer.
In one possible implementation mode, at least three groups of clamping components are arranged on the rotary table, the clamping components are distributed around the beam expanding lens body, each group of clamping components comprises a base, a fixing nut, a clamping bolt and a clamping plate, the base is arranged on the rotary table, and a through hole is formed in the base; the fixing nut is arranged on the base, and a threaded hole of the fixing nut is opposite to the through hole; a screw rod of the clamping bolt penetrates through the through hole to be in threaded connection with the fixing nut, and the screw rod end of the clamping bolt penetrates out of the fixing nut; the screw rod end of clamping bolt is located to splint, and splint are used for the clamping beam expander body.
In a possible implementation manner, a slot is arranged on the turntable, and the beam expanding lens body is inserted into the slot.
In one possible implementation manner, the beam expander body is of a pentagonal prism structure, and the slots are regular pentagons.
This implementation mode, compared with the prior art, on the beam expanding lens body located the base, evenly set up three at least groups leveling subassembly on the periphery wall of base, the supporting legs of leveling subassembly are placed on the workstation, connect the ball cover and establish on the connecting rod on the supporting legs, connect the ball and can slide along the connecting rod to fix the optional position on the slip path under the limiting displacement of lower part locating part. The connecting ball is hinged with the base ball. When the base is not horizontal, the positions of different connecting balls on the corresponding connecting rods are adjusted, and the base can be pushed to deflect until the base is horizontal. The bottom of the base is additionally provided with a measuring part, the measuring part is in flexible connection with the bottom of the base, and the counterweight is arranged at the lower end of the measuring part. Under the action of gravity, the measuring part is always kept in a vertical state under the pulling of the counterweight, when the bottom surface of the base is perpendicular to the measuring part, the base is adjusted to be in a horizontal state, the state of the base can be observed without an external laser leveling instrument, and the base is adjusted according to the included angle between the base and the measuring part. And the measuring part can keep a vertical state under the pulling of the counterweight, is not influenced by external dust and the like, is more stable, and is favorable for ensuring the leveling precision.
Drawings
FIG. 1 is a block diagram of an adjustable beam expander according to an embodiment of the present invention;
FIG. 2 is a block diagram of another angle of an adjustable beam expander according to an embodiment of the present invention;
fig. 3 is a structural diagram of an adjustable beam expander with a beam expander body according to an embodiment of the present invention.
Description of reference numerals:
1. a base; 2. a worm; 3. clamping the bolt; 4. a base; 5. fixing a nut; 6. a slot; 7. a turntable; 8. a worm gear; 9. a splint; 10. a connecting rod; 11. a measuring section; 12. a beam expander body; 13. a counterweight; 14. a leveling nut; 15. a connecting ball; 16. support the feet.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 and 2 together, the adjustable beam expander provided by the present invention will now be described. The adjustable beam expander comprises a base 1, a beam expander body 12, a leveling component and a counterweight type horizontal observation instrument, wherein the beam expander body 12 is positioned on the base 1; at least three groups of leveling assemblies are uniformly distributed along the circumference of the base 1, the base 1 can be adjusted to enable the beam expander body 12 to be in a horizontal position, each group of leveling assemblies comprises supporting legs 16, connecting rods 10, connecting balls 15 and limiting pieces, the connecting rods 10 are vertically arranged along the vertical direction, and the lower ends of the connecting rods are connected to the supporting legs 16; the connecting ball 15 is sleeved on the connecting rod 10 in a sliding manner, the connecting ball 15 can slide along the length extending direction of the connecting rod 10, and the connecting ball 15 is hinged with the outer peripheral wall of the base 1 in a ball manner; the limiting part is positioned below the connecting ball 15 and can be fixed on the connecting rod 10 when the connecting ball 15 slides in place so as to resist the downward sliding of the connecting ball 15; the counterweight type horizontal observation instrument comprises a measuring part 11 and a counterweight part 13, wherein the upper end of the measuring part 11 is in flexible connection with the bottom of the base 1; the counterweight 13 is connected with the lower end of the measuring part 11, and the measuring part 11 can always keep the lower end extending towards the gravity direction under the action of the gravity of the counterweight 13 along with the adjustment of the base 1.
Compared with the prior art, the adjustable beam expander provided by the embodiment has the advantages that the beam expander body 12 is arranged on the base 1, at least three groups of leveling assemblies are uniformly arranged on the peripheral wall of the base 1, the supporting legs 16 of the leveling assemblies are placed on the workbench, the connecting ball 15 is sleeved on the connecting rod 10 on the supporting legs 16, the connecting ball 15 can slide along the connecting rod 10, and any position on a sliding path is fixed under the limiting effect of the lower limiting part. The connecting ball 15 is ball-hinged with the base 1. When the base 1 is not horizontal, the base 1 can be pushed to deflect by adjusting the positions of different connecting balls 15 on the corresponding connecting rods 10 until the base 1 is horizontal. The bottom of the base 1 is additionally provided with a measuring part 11, the measuring part 11 is in flexible connection with the bottom of the base 1, and a counterweight 13 is arranged at the lower end of the measuring part 11. Under the action of gravity, the measuring part 11 is always kept in a vertical state under the pulling of the counterweight 13, when the bottom surface of the base 1 is perpendicular to the measuring part 11, the base 1 is adjusted to be in a horizontal state, the state of the base 1 can be observed without an external laser leveling instrument, and the adjustment is carried out according to the included angle between the base 1 and the measuring part 11. And the measuring part 11 can keep a vertical state under the pulling of the counterweight 13, is not influenced by external dust and the like, is more stable, and is beneficial to ensuring the leveling precision.
Connecting ball 15 cover is established on the connecting rod 10 of supporting legs 16, connects ball 15 below, sets up the locating part on the connecting rod 10, connects ball 15 and slides along connecting rod 10, and the locating part is in the below of connecting rod 10 all the time, resists connecting ball 15 and slides down under the action of gravity to connecting ball 15's is fixed has been realized. Make connecting ball 15 slide along connecting rod 10, the height of ball 15 is connected in the adjustment, because connect ball 15 and base 1 ball joint, carry out height control to different connecting ball 15, can make base 1 produce different deflections to can adjust base 1's gesture.
In this embodiment, the outer wall of the base 1 has a cylindrical surface, and the connecting ball 15 is ball-hinged to the outer peripheral wall of the base 1, that is, ball-hinged to the circumferential side wall of the base 1.
In some embodiments, referring to fig. 1 and 2, the measuring portion 11 comprises a cord or a cylindrical rod.
In some possible implementations, referring to fig. 2, the counterweight type level observation instrument further comprises a protractor which is vertically arranged on the bottom of the base 1, and the connection position of the upper end of the measuring part 11 and the bottom of the base 1 is at the central point of the protractor.
The protractor is not indicated in fig. 2. The protractor is added, so that the included angle between the bottom of the base 1 and the measuring part 11 can be observed more visually.
In the present embodiment, the protractor is also rotatably connected to the bottom of the base 1, and the rotation axis of the protractor is perpendicular to the bottom of the base 1 and passes through the central point of the protractor. Since the measuring portion 11 may be biased in different directions with respect to the base 1. The protractor is rotated to keep the protractor and the measuring part 11 in the same plane, the protractor does not block the deflection of the measuring part 11 relative to the base 1 in the posture, the included angle between the measuring part 11 and the base 1 can be read through the protractor, and leveling is carried out according to the included angle.
In some embodiments, referring to fig. 1, the limiting member is a leveling nut 14, and the connecting rod 10 is provided with an external thread connecting portion, and the leveling nut 14 can be connected with the external thread connecting portion.
In this embodiment, since the supporting legs 16 are placed on the worktable, the connecting balls 15 are always erected on the leveling nuts 14 under the action of gravity, and the whole base 1 is supported by the leveling nuts 14. Rotating the leveling nut 14 to move upward, the leveling nut 14 pushes the connecting ball 15 upward along the connecting rod 10. When the rotary leveling nut 14 moves downwards, the connecting ball 15 moves downwards along the connecting rod 10 along with the leveling nut 14 under the action of gravity, and the height of the connecting ball 15 can be quickly adjusted through the mode.
The limiting part is a leveling nut 14, the connecting ball 15 is sleeved on the connecting rod 10, so that the connecting ball 15 and the base 1 can be quickly disassembled and assembled with the connecting rod 10, and the base 1, the supporting legs 16 and the limiting part can be separately carried during carrying and then field assembly is carried out.
In some embodiments, referring to fig. 1, the base 1 is rotatably provided with a turntable 7 and a driving assembly for driving the turntable 7 to rotate, the rotation axis of the turntable 7 is perpendicular to the bottom surface of the base 1, and the beam expander body 12 is provided on the turntable 7.
In this embodiment, on beam expanding lens body 12 was equipped with carousel 7, rotated adjustable beam expanding lens body 12 for the opposite face or the angle of light source through carousel 7 for the light source produces the refraction towards different directions.
In some embodiments, referring to fig. 1, a first accommodating cavity and a second accommodating cavity which are communicated with each other are arranged on a base 1, the upper end of the first accommodating cavity is open, a rotary plate 7 is arranged in the first accommodating cavity and closes the upper end of the first accommodating cavity, a driving assembly comprises a worm wheel 8 and a worm 2, the worm wheel 8 is rotatably arranged in the first accommodating cavity, the rotary plate 7 is arranged on the worm wheel 8, and the worm wheel 8 is coaxial with the rotary plate 7; the worm 2 is rotatably arranged in the second accommodating cavity, the worm 2 is meshed with the worm wheel 8, and one end of the worm 2 extends out of the base 1.
In this embodiment, base 1 is jetted out to the one end of worm 2, and operating personnel manual rotation worm 2, and worm 2 rotates and can drive the worm wheel 8 rotation with worm 2 meshing to drive carousel 7 on the worm wheel 8 and rotate.
In some embodiments, referring to fig. 1, angular scale marks are provided on the upper end face of the base 1 circumferentially around the turntable 7, the turntable 7 being provided with a pointer.
The angular scale lines are not shown in figure 1 of the drawings. In this embodiment, be equipped with angle scale mark around carousel 7 on the base 1, set up the pointer on the carousel 7, through the directional accurate control carousel 7 turned angle who observes the pointer to the refraction angle that the control light source passes through beam expanding lens body 12.
In some embodiments, referring to fig. 1 to 3, at least three groups of clamping assemblies are arranged on the turntable 7, the clamping assemblies are arranged around the beam expander body 12, each group of clamping assemblies comprises a base 4, a fixing nut 5, a clamping bolt 3 and a clamping plate 9, the base 4 is arranged on the turntable 7, and a through hole is formed in the base 4; the fixing nut 5 is arranged on the base 4, and a threaded hole of the fixing nut 5 is opposite to the through hole; a screw rod of the clamping bolt 3 penetrates through the through hole to be in threaded connection with the fixing nut 5, and the screw rod end of the clamping bolt 3 penetrates out of the fixing nut 5; the clamping plate 9 is arranged at the screw end of the clamping bolt 3, and the clamping plate 9 is used for clamping the beam expander body 12.
In this embodiment, be equipped with the through-hole on the base 4, fixation nut 5 is fixed to be set up on base 4, and the screw hole in fixation nut 5 is coaxial with the through-hole, and clamping bolt 3's screw rod passes through-hole and fixation nut 5 threaded connection and wears out fixation nut 5. The screw end that fixing nut 5 was worn out to clamp bolt 3 is equipped with splint 9, and splint 9 is circular, and splint 9's diameter is greater than the diameter of screw to increase and beam expanding lens body 12's area of contact makes the clamping more stable. The clamping plates 9 of the plurality of clamping assemblies move toward the beam expander lens body 12, synchronously clamping the beam expander lens body 12.
In some embodiments, referring to fig. 1 to 3, a cushion layer is provided on the splint 9, the cushion layer is in contact with the expander lens body 12, the splint 9 clamps the expander lens body 12 through the cushion layer, and the cushion layer is used for preventing the splint 9 from scratching the expander lens body 12.
In this embodiment, be equipped with the bed course on the splint 9, the bed course can be the rubber layer, also can be the flexible cloth of parcel splint 9 to prevent splint 9 and beam expander body 12 direct contact, fish tail beam expander body 12.
In some embodiments, referring to fig. 1 and 2, the turntable 7 is provided with a slot 6, and the beam expander body 12 is inserted into the slot 6.
In this embodiment, if the beam expander body 12 is directly placed on the turntable 7 for clamping, the beam expander body 12 may deviate during the clamping process, thereby affecting the subsequent refraction effect and the control of the refraction angle. Set up slot 6 on carousel 7, during beam expander body 12 was inserted and is located slot 6, the shape of slot 6 matches each other with the shape of beam expander body 12, carries out prepositioning to beam expander body 12 through slot 6 earlier, will press from both sides tight beam expander body 12 through the clamping subassembly again, has guaranteed the more accurate location of beam expander body 12.
In some embodiments, referring to fig. 1-3, the beam expander body 12 is a pentagonal prism structure and the slot 6 is a regular pentagonal shape.
In this embodiment, the slot 6 is located at the center of the turntable 7, and when the beam expander body 12 is inserted into the slot 6, the axis of rotation of the turntable 7 is the center line of the beam expander body 12. The slots 6 may also be eccentrically located on the turntable 7 when deflection adjustment is required, so that the beam expander body 12 deflects as the turntable 7 rotates.
In some embodiments, referring to fig. 3, the beam expander body 12 includes a frame body and a plurality of pentaprisms, the pentaprisms are disposed on the frame body, one end of the frame body is inserted into the slot 6, and the clamping assembly clamps the frame body.
In this embodiment, the beam expander body 12 does not include only a mirror body under many circumstances, sets up the support body, and a plurality of mirror bodies are fixed in the installation on the support body. The shape of the slot 6 is consistent with that of the frame body, and the clamping component realizes the fixation of a plurality of lens bodies in the beam expanding lens body 12 through the clamping frame body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An adjustable beam expander lens, comprising:
a base;
a beam expander body positioned on the base;
leveling subassembly, follow base circumference evenly distributed has three at least groups, can adjust the base so that beam expanding lens body is in the level, and every group leveling subassembly includes:
supporting legs;
the connecting rod is vertically arranged along the vertical direction, and the lower end of the connecting rod is connected to the supporting leg;
the connecting ball is sleeved on the connecting rod in a sliding manner, can slide along the length extension direction of the connecting rod, and is hinged with the outer peripheral wall of the base in a ball manner;
the limiting part is positioned below the connecting ball and can be fixed on the connecting rod when the connecting ball slides in place so as to resist the downward sliding of the connecting ball;
counterweight type horizontal observer, comprising:
the upper end of the measuring part is in flexible connection with the bottom of the base;
the counterweight, with the lower extreme of measuring part is connected, measuring part can follow the regulation of base under the action of gravity of counterweight, remain the extension of lower extreme orientation gravity direction throughout.
2. The adjustable beam expander of claim 1, wherein the measuring portion comprises a flexible cord or a cylindrical rod.
3. The adjustable beam expander of claim 1, wherein said weighted horizontality viewer further comprises a protractor vertically disposed on said base bottom, and wherein a connection position of an upper end of said measuring portion to said base bottom is at a center point position of said protractor.
4. The adjustable beam expander of claim 1, wherein the stop member is a leveling nut, and the connecting rod is provided with an external threaded connection portion, and the leveling nut is capable of being connected with the external threaded connection portion.
5. The adjustable beam expander as claimed in claim 1, wherein the base is rotatably provided with a turntable and a driving assembly for driving the turntable to rotate, the axis of rotation of the turntable is perpendicular to the bottom surface of the base, and the beam expander body is provided on the turntable.
6. The adjustable beam expander as recited in claim 5, wherein said base is provided with a first receiving chamber and a second receiving chamber which are communicated with each other, an upper end of said first receiving chamber is open, said turntable is provided in said first receiving chamber and closes an upper end of said first receiving chamber, said driving assembly comprises:
the worm wheel is rotatably arranged in the first accommodating cavity, the rotary disc is arranged on the worm wheel, and the worm wheel is coaxial with the rotary disc;
the worm is rotatably arranged in the second accommodating cavity, the worm is meshed with the worm wheel, and one end of the worm extends out of the base.
7. The adjustable beam expander of claim 6 wherein angular graduations are provided on the upper end of the base circumferentially around the turntable, the turntable having a pointer thereon.
8. The adjustable beam expander of claim 5 wherein said turret has at least three sets of clamping assemblies disposed about said expander body, each of said clamping assemblies comprising:
the base is arranged on the turntable, and a through hole is formed in the base;
the fixing nut is arranged on the base, and a threaded hole of the fixing nut is opposite to the through hole;
a screw of the clamping bolt penetrates through the through hole to be in threaded connection with the fixing nut, and the screw end of the clamping bolt penetrates out of the fixing nut;
and the clamping plate is arranged at the screw rod end of the clamping bolt and used for clamping the beam expanding lens body.
9. The adjustable beam expander of claim 8, wherein the rotatable disk has slots, and the expander body is inserted into the slots.
10. The adjustable beam expander of claim 9 wherein the expander body is a pentagonal prism structure and the slots are regular pentagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650250.8U CN216485712U (en) | 2021-11-01 | 2021-11-01 | Adjustable beam expanding lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650250.8U CN216485712U (en) | 2021-11-01 | 2021-11-01 | Adjustable beam expanding lens |
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| CN216485712U true CN216485712U (en) | 2022-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115299843A (en) * | 2022-06-17 | 2022-11-08 | 中山市微视医用科技有限公司 | Endoscope lens flatness adjusting system and using method thereof |
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2021
- 2021-11-01 CN CN202122650250.8U patent/CN216485712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115299843A (en) * | 2022-06-17 | 2022-11-08 | 中山市微视医用科技有限公司 | Endoscope lens flatness adjusting system and using method thereof |
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