JP2010014859A - Microscope - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a microscope that makes workability satisfactory. <P>SOLUTION: The microscope 1 includes: a base 2; a table 3 which is disposed on the upper side of the base 2 and on which an object to be observed is placed; a column 4 extending upward from the rear part of the base 2; and an observing optical system 52 mounted to the column 4 and disposed above an observation object. The column 4 is rotatable about a rotation center line A2 parallel to the longitudinal axial line A1 of the table 3. The rotation center line A2 is below the table 3. In this configuration, since the rotation center line A2 of the column 4 is set below the table 3, an operating part 6 for rotating the column 4 is provided at the same height as the table 3, such as a high or low position. Accordingly, the microscope 1 makes a hand less likely to strike an observation object during the operation of the operating part 6. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a microscope.

  Conventionally, a base, a table provided on the upper surface of the base and on which the object to be measured is placed, a column extending upward from the rear part of the base, and an observation optical system provided on the column and disposed above the object to be measured A microscope equipped with is known. In such a microscope, when measuring a surface (surface to be measured) inclined with respect to the table upper surface, the surface to be measured is parallel to the table upper surface for each surface to be measured. There is a problem that the object to be measured must be tilted by the corresponding holder, and the replacement of the holder is complicated.

  In order to solve such a problem, a microscope in which a column is rotatably provided is known (for example, see Patent Document 1). In the microscope described in Patent Document 1, the surface to be measured can be easily measured by tilting the column at an inclination angle equal to the inclination angle of the surface to be measured, and replacement of the holder can be eliminated.

JP 2006-201610 A

  However, in the microscope described in Patent Document 1, since the rotation center of the column is above the table, when the column is manually rotated by the operation handle, the operation handle is structurally provided above the table. In other words, there is a problem that workability is poor, for example, a hand easily collides with an object to be measured when the operation handle is rotated.

  An object of the present invention is to provide a microscope capable of improving workability.

  The microscope of the present invention includes a base, a table provided on the upper surface of the base, on which the object to be measured is placed, a column extending upward from a rear portion of the base, and a column provided on the column. A microscope provided with an observation optical system disposed above, wherein the column is provided so as to be rotatable about a rotation center line parallel to the longitudinal axis of the table, It is below the table.

  According to such a configuration, since the rotation center line of the column is below the table, an operation handle for rotating the column can be provided at a low position such as a height position equal to the table. For example, the column is provided with a worm wheel having a shaft (rotation center line below the table) that is integral with the column and rotatably supported, and the worm and an operation handle are attached to one end above the worm wheel. When the worm wheel and the column are rotated by rotating the rotation shaft with the operation handle, the operation handle is slightly smaller than the shaft of the worm wheel below the table. It is provided above, that is, at a height position substantially equal to the table. Therefore, it is possible to provide a microscope with good workability in which a hand does not easily collide with an object to be measured when the operation handle is rotated.

  In the present invention, the column includes: a column main body that extends above the base; and a rotation shaft that is integral with the column main body and is rotatably held by the base, with a center line serving as the rotation center line. Provided under the table, which is rotated in conjunction with the rotation shaft, emits light along a direction coinciding with the observation optical axis of the observation optical system, and illuminates the object to be measured. An optical system is preferably provided.

  According to such a configuration, the transmission illumination optical system rotates in conjunction with the rotation axis of the column main body, and emits light along a direction that coincides with the observation optical axis of the observation optical system. When the is rotated, it is unnecessary to adjust the optical axis of the transmission illumination optical system, and convenience can be improved.

  In the present invention, the rotation shaft is formed hollow, and the transmission illumination optical system is provided on a rear end side of the rotation shaft, and emits light along the rotation center line. A mirror that is provided in front of the rotation axis and reflects light emitted from the illumination device from below the table along a direction that matches the observation optical axis, and is connected to the rotation axis, It is preferable to include an arm that holds the mirror on the rotation center line and rotates the mirror about the rotation center line in conjunction with the rotation shaft.

  According to such a configuration, the light is emitted from the illumination device along the rotation center line arranged in the rotation shaft formed in the hollow, and the light is rotated in conjunction with the rotation shaft. Since the light is reflected by the mirror, light can be reliably emitted along a direction that coincides with the observation optical axis of the observation optical system.

In this invention, it is preferable to provide the operation part which rotates the said column, and the scale which shows the inclination-angle of the said column.
According to such a configuration, since the operation unit for rotating the column and the scale indicating the tilt angle of the column are provided, the column can be rotated by the operation unit while reading the tilt angle of the column by the scale. , Can improve convenience.

In the present invention, a clamp body provided on each side of the column along the rotation surface of the column, and a holding portion that holds the column in an inclined state by sandwiching the column via the clamp body It is preferable to comprise.
According to such a configuration, the column can be held by the holding portion via the clamp body, so that the inclined state of the column can be reliably held.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
〔overall structure〕
FIG. 1 is a front view showing a microscope 1 according to the present embodiment, and FIG. 2 is a side view showing the microscope 1. In the following, the left / right / up / down direction is the left / right / up / down direction in FIG. 1, the rear is the back side of FIG. 1 and the right side of FIG. 2, and the front is the front side of FIG.
As shown in FIGS. 1 and 2, the microscope 1 is provided on the upper surface of the base 2, the table 2 on which the object to be measured is placed, and extends upward from the rear portion of the base 2 so as to be rotatable. The provided column 4, the slider 5 provided to be slidable on the column 4, the operation unit 6 for rotating the column 4, and the holding unit 7 for securely holding the rotating state of the column 4. I have.

[Configuration of base and table]
The base 2 includes a base body 21 and a transmission illumination optical system 22 (see FIG. 3) that illuminates the object to be measured from below, as will be described in detail later.
The table 3 is provided with a first table 31 that is movable in the left-right direction with respect to the base body 21, and a first table 31 that is movable in the front-rear direction with respect to the first table 31, and on which the object to be measured is placed. 2 table 32. The axis of the second table 32 in the moving direction is the front-rear direction axis A1.

[Configuration of slider]
The slider 5 includes a slider main body 51 provided on the column 4 so as to be slidable, and an observation optical system 52 for observing an object to be measured.

[Configuration of observation optical system]
FIG. 3 is a side view showing a partially broken interior of the microscope 1.
As shown in FIG. 3, the observation optical system 52 includes a first illumination device 521, a first mirror 522, a first half mirror 523, an objective lens 524, a second half mirror 525, a second mirror 526, and an eyepiece lens 527. I have. The observation optical system 52 can observe the measurement object using the light from the first illumination device 521 for the measurement object that does not have translucency. For an object to be measured having light properties, the object to be measured can be observed using light from the transmission illumination optical system 22.

  Specifically, the light emitted from the first illumination device 521 is reflected by the first mirror 522 and the first half mirror 523 and then irradiated onto the object to be measured via the objective lens 524. Then, the light emitted from the first illumination device 521 and reflected by the object to be measured, and the light emitted from the transmission illumination optical system 22 described later and transmitted through the object to be measured pass through the objective lens 524 and the first half mirror 523. After being transmitted and reflected by the second half mirror 525 and the second mirror 526, the image is magnified by the eyepiece lens 527 and imaged.

  Note that the observation optical axis L1 that is the optical axis of the observation optical system 52 is the central axis of the light transmitted through these members 521 to 527. The slider main body 51 is formed with an attachment portion 511 for attaching an imaging means such as a CCD (Charge Coupled Device) camera. By attaching an imaging means such as a CCD camera to the attachment portion 511, the imaging means can receive the light transmitted through the half mirror 525 and take an image of the object to be measured.

[Column structure]
FIG. 4 is a rear view showing the microscope 1.
The column 4 is provided so as to be rotatable about a rotation center line A2 that is parallel to the longitudinal axis A1 of the table 3 and below the table 3. As shown in FIGS. 3 and 4, the column 4 includes a column main body 41, a worm wheel 42, and a rotation shaft 43.

The column body 41 extends upward from the base 2. On both side surfaces of the column main body 41, clamp rings 44 are attached as clamp bodies curved in the circumferential direction around the rotation center line A2. The clamp ring 44 is formed with a ring-side inclined surface 441 that is inclined forward along the outer peripheral edge (see FIG. 5).
The worm wheel 42 is provided integrally with the column main body 41 at the lower portion of the column main body 41. The worm wheel 42 is formed in a substantially rectangular shape, and teeth are formed on the upper surface. The worm wheel 42 meshes with the worm 63 of the operation unit 6.

  The rotation shaft 43 is formed in a hollow cylindrical shape. As shown in FIGS. 3 and 4, the rotating shaft 43 is inserted through the worm wheel 42 and the column main body 41, and is provided integrally with the worm wheel 42 and the column main body 41 by a key 45 and a bolt (not shown). . Such a rotation shaft 43 is rotatably held by a bearing 23 provided in the base body 21. When the worm 63 is rotated by the operation of the operation unit 6, the rotational force from the worm 63 is changed to the worm wheel. It is rotated by being transmitted to the rotation shaft 43 through 42. As the rotation shaft 43 rotates in this way, the column main body 41 provided integrally with the rotation shaft 43 rotates around the center line A2 (rotation center line A2) of the rotation shaft 43. Will move. In addition, since it is difficult to rotate the worm 63 from the worm wheel 42 side, in this embodiment, the tilted state of the column main body 41 can be held without the holding portion 7 described later.

A pin 431 is provided upright at the tip of the rotating shaft 43. Further, a hole 231 (see FIG. 5) is formed in the bearing 23 along the circumferential direction of the bearing 23, and the pin 431 protrudes downward through the hole 231 formed in the bearing 23. Yes. The other end of a spring 24 (see FIG. 5) having one end connected to the base body 21 side is connected to the tip of the pin 431. The other end of the spring 25 (see FIG. 5) whose one end is also connected to the base body 21 side also on a pin 2224 (see FIG. 5) provided on the back surface of the arm body 2221 (described later) connected to the rotation shaft 43. These springs 24 and 25 urge the rotating shaft 43 clockwise or counterclockwise to prevent backlash when the worm 63 is rotated.
The transmission illumination optical system 22 is attached to the rotation shaft 43.

[Configuration of transmission illumination optical system]
The transmission illumination optical system 22 is for irradiating the measurement object having translucency with illumination light from below the table 3. As shown in FIG. 3, the transmission illumination optical system 22 includes a second illumination device 221, an arm 222, a mirror 223, and a lens 224.
The second illumination device 221 is provided at the rear end of the rotation shaft 43 and emits light along the rotation center line A <b> 2 toward the distal end side of the rotation shaft 43.

  The arm 222 holds the mirror 223 on the rotation center line A2 of the rotation shaft 43, rotates the mirror 223 about the rotation center line A2 in conjunction with the rotation shaft 43, and holds the lens 224. The lens 224 is rotated about the rotation center line A2. The arm 222 includes an arm main body 2221, a mounting bracket 2222, a mirror base 2223, a lens bracket 2225, and the pin 2224 described above, and is formed in a U shape in a sectional view.

One end of the arm body 2221 is connected to the tip of the rotation shaft 43 and extends along the radial direction of the rotation shaft 43.
The mounting bracket 2222 extends forward from the other end of the arm main body 2221.
The mirror base 2223 is attached to the tip of the mounting bracket 2222 and holds the mirror 223 on the rotation center line A2 by being inclined 45 degrees with respect to the rotation center line A2.
The lens bracket 2225 is formed in an L shape in sectional view, and the lower end is attached to the back surface (front surface) of the mirror base 2223 and holds the lens 224 so as to face the mirror 223.

The mirror 223 is held on the rotation center line A2 by being tilted 45 degrees with respect to the rotation center line A2 by the arm 222 described above, and rotates around the rotation center line A2 in conjunction with the rotation shaft 43. The light emitted from the second illumination device 221 is reflected by changing the direction by 90 degrees upward, that is, the light emitted from the second illumination device 221 is reflected from the radial direction of the rotation center line A2 and from the vertical direction. Reflected in a direction inclined by the amount of rotation of the rotation shaft 43.
The lens 224 is rotated about the rotation center line A2 in conjunction with the rotation shaft 43 by the arm 222 described above, and irradiates the object to be measured with the light from the mirror 223 via the table 3.

  Here, when the rotation shaft 43 is rotated and the column 4 is rotated, the observation optical system 52 attached to the column 4 via the slider 5 is also rotated, and the observation optical axis of the observation optical system 52 is rotated. Since L1 also tilts from the vertical direction by the amount of rotation of the rotation shaft 43, the observation optical axis L1 and the optical axis L2 of reflected light from the mirror 223 (transmitted illumination optical axis L2) coincide. Thus, in the present embodiment, when the column 4 is rotated, the mirror 223 and the lens 224 are rotated in conjunction with each other, and the mirror 223 transmits the light emitted from the second illumination device 221 to the light. Since the lens 224 irradiates the object to be measured with the light from the mirror 223 via the table 3, the column 4 is rotated. In this case, it is unnecessary to adjust the optical axis L2 of the transmission illumination optical system 22, and convenience can be improved.

[Configuration of operation unit]
The operation unit 6 is for manually rotating the column 4. As shown in FIG. 4, the operation unit 6 includes a pair of shaft holding portions 61 provided on the back surface of the base body 21, a rotating shaft 62 rotatably held by the shaft holding portion 61, and a rotating shaft 62. , A worm 63 that meshes with the worm wheel 42 to rotate the column 4, an operation handle 64 that is provided at one end of the rotating shaft 62 and rotates the rotating shaft 62, and a scale portion 65. .

  The scale portion 65 is fixed to the shaft holding portion 61, is attached to the first member 651 having a reference line (FIG. 1) formed on the outer peripheral surface, and the rotary shaft 62, and indicates the rotation angle of the column 4 on the outer peripheral surface. And a second member 652 having a scale (FIG. 1). When the operation handle 64 is turned to rotate the column 4, the scale formed on the second member 652 that rotates in conjunction with the column 4 and the reference line formed on the fixed first member 651. From this, the rotation angle of the column 4 can be read.

  Here, in the present embodiment, the rotation center line A2 of the column 4 is set below the table 3, and thus the teeth of the worm wheel 42 are provided at a height position substantially equal to the table 3, so that the worm wheel 42 Is provided at a height position substantially equal to that of the table 3. Therefore, it is possible to provide the microscope 1 with good workability in which a hand does not collide with an object to be measured when the operation handle 64 is rotated.

(Configuration of holding part)
FIG. 5 is a bottom view showing the holding unit 7.
The holding part 7 is for reliably holding the inclined state of the column 4. As shown in FIGS. 4 and 5, the holding portion 7 includes a pair of holding portion main bodies 70 provided on both sides of the column 4. The holding unit main body 70 includes a holding body 71, a rod 72, a spring 73, and a clamp lever 74.

The holding body 71 is provided on the back surface of the base body 21, and a screw hole 711 is formed on the outer surface.
The rod 72 is held by the holding body 71 so as to be slidable in the left-right direction. A rod-side inclined surface 721 that is in contact with the ring-side inclined surface 441 of the clamp ring 44 is formed at the tip of the rod 72.
The spring 73 is housed in the holding body 71 and biases the rod 72 outward.

  The clamp lever 74 is screwed into the screw hole 711, and is provided so as to be able to advance and retract along its axial direction by rotating. In the present embodiment, by rotating each clamp lever 74 and pressing each rod 72 against each clamp ring 44 and sandwiching the column 4 with each rod 72, the tilted state of the column 4 can be reliably maintained. It is like that.

[Effect of this embodiment]
According to the present embodiment as described above, the following effects can be obtained.
Since the rotation center line A2 of the column 4 is set below the table 3 and the teeth of the worm wheel 42 are thus provided at the same height position as the table 3, an operation unit for rotating the worm wheel 42 is provided. 6 is provided at the same height position as the table 3. Therefore, it is possible to provide the microscope 1 with good workability in which a hand does not collide with an object to be measured when the operation handle 64 is rotated.

  The transmitted illumination optical system 22 rotates (swings) about the rotation center line A2 in conjunction with the rotation shaft 43 of the column main body 41, and light travels along a direction that coincides with the observation optical axis L1 of the observation optical system 52. Therefore, it is unnecessary to adjust the optical axis L2 of the transmission illumination optical system 22 when the column main body 41 is rotated, and convenience can be improved.

  A mirror 223 that emits light from the second lighting device 221 along the rotation center line A2 disposed in the rotation shaft 43 formed in the hollow, and rotates the light in conjunction with the rotation shaft 43. Therefore, it is possible to reliably emit light along a direction that coincides with the observation optical axis L1 of the observation optical system 52.

  Since the operation unit 6 for rotating the column 4 and the scale indicating the inclination angle of the column 4 are provided, the column 4 can be rotated by the operation unit 6 while reading the inclination angle of the column 4 by the scale. Can be improved.

  Since the column 4 can be held by the holding portion 7 via the clamp ring 44, the inclined state of the column 4 can be reliably held.

[Modification of Embodiment]
It should be noted that the present invention is not limited to the above-described embodiments, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.
For example, in the above embodiment, the column main body 41 rotates integrally with the rotation shaft 43, but the column main body is provided separately from the rotation shaft and is configured to rotate around the rotation shaft. May be.

In the embodiment, the rotation shaft 43 is formed in a hollow cylindrical shape, and the light emitted from the illumination device 221 is passed through the rotation shaft 43. However, the rotation shaft is formed solidly, and the arm is held by the arm in a posture in which light is emitted vertically, for example, at the position of the mirror base 2223, and the light from the illumination device is allowed to pass through the rotation shaft. Instead, the microscope may be configured to irradiate the object to be measured directly through the table 3.
In the above-described embodiment, the observation optical system 52 is configured as a finite correction optical system that forms an image at a finite position with the objective lens 524 alone. However, the observation optical system uses an objective lens and an imaging lens to form an image. The infinity correction optical system may be configured.

  The present invention can be used for a microscope.

1 is a front view showing a microscope according to a first embodiment of the present invention. The side view which shows a microscope. The side view which shows the inside of a microscope partially fractured | ruptured. The rear view which shows a microscope. The bottom view which shows a holding | maintenance part.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Microscope, 2 ... Base, 3 ... Table, 4 ... Column, 6 ... Operation part, 7 ... Holding part, 22 ... Transmission illumination optical system, 41 ... Column main body, 43 ... Rotating shaft, 44 ... Clamp ring (clamp) Body), 52 ... observation optical system, 221 ... second illumination device (illumination device), 222 ... arm, 223 ... mirror, A1 ... longitudinal axis, A2 ... rotation center line, L1 ... observation optical axis.

Claims (5)

A base, a table provided on the upper surface of the base, on which the object to be measured is placed, a column extending upward from a rear portion of the base, and an observation provided on the column and disposed above the object to be measured A microscope equipped with an optical system,
The column is provided to be rotatable around a rotation center line parallel to the longitudinal axis of the table,
The microscope, wherein the rotation center line is below the table. The microscope according to claim 1,
The column includes a column main body that extends above the base, and a rotation shaft that is integral with the column main body and that is rotatably supported by the base, with a center line serving as the rotation center line,
A transmission illumination optical system for rotating below the table in conjunction with the rotation shaft, emitting light along a direction that coincides with the observation optical axis of the observation optical system, and illuminating the object to be measured A microscope characterized by being provided with. The microscope according to claim 2,
The pivot shaft is formed hollow,
The transmitted illumination optical system includes:
An illuminating device that is provided on a rear end side of the rotation shaft and emits light along the rotation center line;
A mirror that is provided in front of the rotating shaft and reflects light emitted from the illumination device along a direction that coincides with the observation optical axis from below the table;
An arm that is connected to the rotation shaft, holds the mirror on the rotation center line, and rotates the mirror about the rotation center line in conjunction with the rotation shaft. Microscope. The microscope according to any one of claims 1 to 3,
An operation unit for rotating the column;
A microscope comprising a scale indicating an inclination angle of the column. The microscope according to any one of claims 1 to 4,
Clamp bodies respectively provided on both sides of the column along the rotation surface of the column;
A microscope comprising: a holding unit that holds the column in an inclined state by sandwiching the column via the clamp body.

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