CN210894839U - Automatic focusing device of linear focusing microscope - Google Patents
Automatic focusing device of linear focusing microscope Download PDFInfo
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- CN210894839U CN210894839U CN201922147649.7U CN201922147649U CN210894839U CN 210894839 U CN210894839 U CN 210894839U CN 201922147649 U CN201922147649 U CN 201922147649U CN 210894839 U CN210894839 U CN 210894839U
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- sleeve
- microscope
- fixed sleeve
- automatic focusing
- adjusting
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Abstract
The utility model discloses a linear focusing microscope automatic focusing device, including fixed sleeve, fixed mounting has the protective sheath on one side inner wall of fixed sleeve, step motor has been cup jointed in the protective sheath, step motor's output shaft fixedly connected with adapter sleeve, the adapter sleeve has cup jointed microscope adjust knob, the last sleeve adjusting shim that has cup jointed of microscope adjust knob, and fixed sleeve cup joints on the sleeve adjusting shim, be equipped with adjustment mechanism between fixed sleeve and the sleeve adjusting shim. The utility model discloses can be convenient for realize microscopical automatic focusing, need not artificial intervention, and be convenient for adjust fixed sleeve's fastening degree, the stable use of the automatic focusing of being convenient for.
Description
Technical Field
The utility model relates to a microscope technical field especially relates to a linear focusing microscope automatic focusing device.
Background
The microscopic optical instrument is a precise experimental tool, and comprises a stereomicroscope, a biological microscope, a single-tube microscope or a three-way microscope, and the like, wherein a focusing device is required to be arranged to adjust the distance between a lens and an observed object. The existing microscope can only be manually focused, and cannot realize stable automatic focusing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a linear focusing microscope automatic focusing device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a linear focusing microscope automatic focusing device, includes fixed sleeve, fixed mounting has the protective sheath on one side inner wall of fixed sleeve, step motor has been cup jointed in the protective sheath, step motor's output shaft fixedly connected with adapter sleeve, the microscope adjust knob has been cup jointed in the adapter sleeve, the sleeve adjusting shim has been cup jointed on the microscope adjust knob, and fixed sleeve cup joints on the sleeve adjusting shim, be equipped with adjustment mechanism between fixed sleeve and the sleeve adjusting shim.
Preferably, adjustment mechanism is two, and two adjustment mechanism set up based on fixed sleeve central symmetry respectively, adjustment mechanism has the movable block including seting up the movable groove in fixed sleeve one side, and the movable groove has been close to and has been seted up the through-hole on one side inner wall of sleeve adjusting shim, movable mounting in the through-hole, and the one end of movable block extends to in the fixed sleeve, and rotates and install the arc, and the arc contacts with sleeve adjusting shim.
Preferably, one side of the movable block, which is far away from the arc-shaped plate, is provided with a thread groove, a bolt is installed in the thread groove, one end of the bolt extends into the movable groove, and the rotating block is fixedly installed.
Preferably, the annular sliding groove is annularly formed in the inner wall of the periphery of the movable groove, two sliding blocks are slidably mounted in the annular sliding groove, and one sides, close to each other, of the two sliding blocks are fixedly mounted on two sides of the rotating block respectively.
Preferably, the inner walls of the two sides of the through hole are provided with sliding grooves, sliding blocks are arranged in the sliding grooves in a sliding mode, and one sides, close to each other, of the two sliding blocks are fixedly arranged on the two sides of the movable block respectively.
Compared with the prior art, the beneficial effects of the utility model are that:
in the utility model, because the fixing sleeve, the stepping motor, the protective sleeve, the output shaft, the adapter sleeve, the microscope adjusting knob, the sleeve adjusting gasket are arranged, therefore, the stepping motor is arranged in the protective sleeve, the output shaft of the stepping motor is connected with the microscope adjusting knob through the adapter sleeve, two sleeve adjusting gaskets are buckled on the microscope adjusting knob, the fixing sleeve is sleeved on the sleeve adjusting gasket, during operation, the stepping motor generates rotary motion through an electric pulse signal, and drives the microscope adjusting knob to rotate through the output shaft, thereby realizing automatic focusing action, realizing automatic focusing of a microscope, and not needing manual intervention;
because the movable groove, the through hole, the movable block, the thread groove, the bolt, the rotating block, the arc-shaped plate, the sliding groove and the sliding block are arranged, the rotating block is rotated to drive the sliding block to slide in the annular sliding groove, the rotating block drives the bolt to rotate in the thread groove, the bolt drives the movable block to slide in the through hole, and the movable block drives the arc-shaped plate to move, so that the distance between the arc-shaped plate and the sleeve adjusting gasket can be conveniently adjusted, and the sleeve can be conveniently fixed;
the utility model discloses can be convenient for realize microscopical automatic focusing, need not artificial intervention, and be convenient for adjust fixed sleeve's fastening degree, the stable use of the automatic focusing of being convenient for.
Drawings
Fig. 1 is a schematic structural view of an automatic focusing device of a linear focusing microscope according to the present invention;
fig. 2 is a schematic side view of an automatic focusing apparatus for a linear focusing microscope according to the present invention;
fig. 3 is a schematic diagram of a part a of the structure in fig. 2 of an automatic focusing apparatus for a linear focusing microscope according to the present invention.
In the figure: the microscope comprises a fixed sleeve 1, a stepping motor 2, a protective sleeve 3, an output shaft 4, a connecting sleeve 5, a microscope adjusting knob 6, a sleeve adjusting gasket 7, a movable groove 8, a through hole 9, a movable block 10, a threaded groove 11, a bolt 12, a rotating block 13, an arc plate 14, a sliding groove 15 and a sliding block 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an automatic focusing device for a linear focusing microscope comprises a fixed sleeve 1, a protective sleeve 3 is fixedly installed on the inner wall of one side of the fixed sleeve 1, a stepping motor 2 is sleeved in the protective sleeve 3, the protective sleeve 3 is used for protecting the stepping motor 2, an output shaft 4 of the stepping motor 2 is fixedly connected with a connecting sleeve 5, a microscope adjusting knob 6 is sleeved in the connecting sleeve 5, a sleeve adjusting gasket 7 is sleeved on the microscope adjusting knob 6, the fixed sleeve 1 is sleeved on the sleeve adjusting gasket 7, an adjusting mechanism is arranged between the fixed sleeve 1 and the sleeve adjusting gasket 7, due to the arrangement of the fixed sleeve 1, the stepping motor 2, the protective sleeve 3, the output shaft 4, the connecting sleeve 5, the microscope adjusting knob 6 and the sleeve adjusting gasket 7, the stepping motor 2 is installed in the protective sleeve 3 and is connected with the microscope adjusting knob 6 through the output shaft 4 of the, detain two sleeve adjusting shim 7 on microscope adjusting knob 6, overlap fixed sleeve 1 on sleeve adjusting shim 7, the during operation, step motor 2 produces rotary motion through electric pulse signal to it is rotatory to drive microscope adjusting knob 6 through output shaft 4, realizes the auto-focusing action, can realize microscopical auto-focusing, need not artificial intervention.
The adjusting mechanism is two, the two adjusting mechanisms are respectively and symmetrically arranged based on the center of the fixed sleeve 1, the adjusting mechanism comprises a movable groove 8 arranged on one side of the fixed sleeve 1, a through hole 9 is formed in the inner wall of one side, close to the sleeve adjusting gasket 7, of the movable groove 8, a movable block 10 is movably arranged in the through hole 9, one end of the movable block 10 extends into the fixed sleeve 1 and is rotatably provided with an arc-shaped plate 14, the arc-shaped plate 14 is in contact with the sleeve adjusting gasket 7, a threaded groove 11 is formed in one side, far away from the arc-shaped plate 14, of the movable block 10, a bolt 12 is arranged in the threaded groove 11, one end of the bolt 12 extends into the movable groove 8, a rotating block 13 is fixedly arranged, annular sliding grooves are formed in the peripheral inner wall of the movable groove 8 in an annular mode, two sliding blocks are slidably arranged in the annular, all seted up spout 15 on the both sides inner wall of through-hole 9, slidable mounting has slider 16 in spout 15, one side difference fixed mounting that two sliders 16 are close to each other is on the both sides of movable block 10, rotatory turning block 13, turning block 13 drives the sliding block and slides in the annular spout, turning block 13 drives bolt 12 at 11 internal rotations of thread groove, bolt 12 drives movable block 10 and slides in through-hole 9, movable block 9 drives the arc 14 and removes, be convenient for adjust the distance between arc 14 and the sleeve adjusting shim 7, be convenient for fixed sleeve 1's is fixed.
The working principle is as follows: when the automatic focusing device works, the stepping motor 2 generates rotary motion through an electric pulse signal and drives the microscope adjusting knob 6 to rotate through the output shaft 4, so that automatic focusing action is realized; meanwhile, when the fixed sleeve 1 is adjusted, the rotating block 13 is rotated, the rotating block 13 drives the sliding block to slide in the annular sliding groove, the rotating block 13 drives the bolt 12 to rotate in the threaded groove 11, the bolt 12 drives the movable block 10 to slide in the through hole 9, the movable block 9 drives the arc-shaped plate 14 to move, the distance between the arc-shaped plate 14 and the sleeve adjusting gasket 7 is convenient to adjust, and the purpose of adjusting the fastening degree of the fixed sleeve is achieved.
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. The utility model provides a linear focusing microscope automatic focusing device, includes fixed sleeve (1), its characterized in that, fixed mounting has protective sheath (3) on one side inner wall of fixed sleeve (1), step motor (2) have been cup jointed in protective sheath (3), output shaft (4) fixedly connected with adapter sleeve (5) of step motor (2), microscope adjust knob (6) have been cup jointed in adapter sleeve (5), sleeve adjusting shim (7) have been cup jointed on microscope adjust knob (6), and fixed sleeve (1) cup joint on sleeve adjusting shim (7), be equipped with adjustment mechanism between fixed sleeve (1) and sleeve adjusting shim (7).
2. The automatic focusing device of the linear focusing microscope of claim 1, wherein the number of the adjusting mechanisms is two, and the two adjusting mechanisms are respectively arranged based on the central symmetry of the fixed sleeve (1), the adjusting mechanism comprises a movable groove (8) formed in one side of the fixed sleeve (1), a through hole (9) is formed in the inner wall of one side, close to the sleeve adjusting gasket (7), of the movable groove (8), a movable block (10) is movably arranged in the through hole (9), one end of the movable block (10) extends into the fixed sleeve (1), an arc-shaped plate (14) is rotatably arranged, and the arc-shaped plate (14) is in contact with the sleeve adjusting gasket (7).
3. The automatic focusing device of the linear focusing microscope of claim 2, wherein a threaded groove (11) is formed in one side of the movable block (10) far away from the arc-shaped plate (14), a bolt (12) is installed in the threaded groove (11), one end of the bolt (12) extends into the movable groove (8), and a rotating block (13) is fixedly installed on one end of the bolt.
4. An automatic focusing device for a linear focusing microscope according to claim 2, wherein the inner wall of the movable slot (8) is provided with an annular sliding slot, two sliding blocks are slidably mounted in the annular sliding slot, and the sides of the two sliding blocks close to each other are fixedly mounted on the two sides of the rotating block (13).
5. The automatic focusing device of a linear focusing microscope according to claim 2, wherein the through hole (9) has a sliding slot (15) on both inner walls, a sliding block (16) is slidably mounted in the sliding slot (15), and the two sliding blocks (16) are fixedly mounted on both sides of the movable block (10) respectively on the sides close to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147649.7U CN210894839U (en) | 2019-12-04 | 2019-12-04 | Automatic focusing device of linear focusing microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147649.7U CN210894839U (en) | 2019-12-04 | 2019-12-04 | Automatic focusing device of linear focusing microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210894839U true CN210894839U (en) | 2020-06-30 |
Family
ID=71319146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922147649.7U Active CN210894839U (en) | 2019-12-04 | 2019-12-04 | Automatic focusing device of linear focusing microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210894839U (en) |
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2019
- 2019-12-04 CN CN201922147649.7U patent/CN210894839U/en active Active
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