JPH0720648Y2 - microscope - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a microscope, and more particularly to a microscope that can function as a telescope by appropriately rearranging parts.

(Prior Art) A conventional microscope has the following configuration. First, there is a base, and columns are erected on this base. A lens barrel is attached to the column, and a stage is attached to the column below the lens barrel.

A preparation holding an object is placed on the stage, and the object is seen through a lens barrel to see the object at a desired magnification.

(Problems to be Solved by the Invention) According to the above conventional configuration, there are the following problems. That is, as a matter of course, the conventional microscope has only a function as a microscope, and for example, it is impossible to perform a function like a telescope which similarly magnifies an object.

On the other hand, it has been proposed to combine the functions of both a microscope and a telescope. This microscope / telescope is equipped with a telescope lens barrel and a microscope barrel attached to the telescope barrel so as to be able to move back and forth. It is configured to be attachable (see Japanese Utility Model Laid-Open No. 61-173912).

However, the structure of this microscope / telescope has a drawback that its function is extremely limited when used as a microscope. That is, since the objective lens is fixed, it is not possible to observe the object with a wide range of magnification. Further, since the acquisition of light necessary for use as a microscope is achieved by forming a part of the telescope lens barrel with a transparent member, even if suitable for a low-magnification lens configuration, It is not possible to obtain a sufficient amount of light for a high-magnification lens configuration. Furthermore, when the microscope is used, the microscope barrel cannot be tilted with respect to the telescope barrel that serves as the base, which makes it unsuitable for high-magnification observations that require delicate focusing, and it is not suitable for use on a desk. Is not good.

The present invention has been made in view of the above-mentioned circumstances, and it is possible to exert a sufficient function as a microscope and also a function as a telescope by appropriately rearranging parts. It is an object of the present invention to provide a microscope with good usability when exhibiting its function.

(Means for Solving the Problem) In order to achieve the above object, the microscope according to the first aspect of the present invention is a base, a support rotatably mounted on the base, and a longitudinal direction of the support. For a microscope, which is mounted movably on a column having an opening or a notch, and an objective lens holding cylinder detachably attached while holding an objective lens while holding an objective lens. A lens barrel and at least an objective lens, and detachably attached to the microscope lens barrel in a state where the objective lens holding barrel is removed from the microscope lens barrel,
And a telescope lens barrel arranged on an extension of the microscope lens barrel.

Always attach the objective lens holder to the microscope lens barrel to make it function as a microscope, and attach both the microscope lens barrel and the telescope lens barrel with the objective lens holder barrel removed to the column when desired. It is characterized in that it functions as a telescope by rotating a desired amount with respect to the table.

In the microscope according to the second aspect, the telescope lens barrel includes an outer cylinder having an objective lens at a tip end thereof, and two reversing lenses slidably accommodated on the base end side of the outer cylinder. An inner cylinder having a locking portion protruding in the radial direction and an outer cylinder are attached to the base end of the inner cylinder and are opposed to the microscope lens barrel, and a cam surface is provided on the inner peripheral surface of the inner cylinder to rotate the cam surface to thereby It is characterized by comprising an adjusting portion for urging the locking portion of the inner cylinder to slide the inner cylinder.

According to a third aspect of the present invention, in the microscope according to the second aspect, the outer cylinder has a convex portion or a concave portion on an outer peripheral surface, and the convex portion or the concave portion is attached to the concave portion or the convex portion formed in the opening or the cutout portion of the stage. It is characterized in that the rotation thereof is restricted by combining them.

(Operation) First, in the case of the microscope according to the first aspect, the supporting column is rotatably attached to the base, and when functioning as a microscope, the supporting column is arranged in a direction orthogonal to the base. Slightly tilted. At that time, an objective lens holding cylinder holding an objective lens is attached to the microscope lens barrel fixed to the column.

Further, when functioning as a telescope, first, the objective lens holding cylinder attached to the microscope lens barrel is removed together with the objective lens. Then, a telescope lens barrel is attached to the microscope lens barrel. At this time, the support column is rotated by a desired amount (for example, until it becomes substantially horizontal) with respect to the base, and can be used as a telescope.

The microscope according to the second aspect further specifies the configuration of the telescope lens barrel, and the magnification is adjusted by sliding the inner barrel by rotating the adjusting portion.

A microscope according to a third aspect of the present invention shows a configuration for restricting rotation of a telescope lens barrel, wherein a convex portion or a concave portion formed on an outer peripheral surface of an outer cylinder is formed at an opening portion or a notch portion of a stage. The rotation of the telescope lens barrel is restricted by engaging the recessed portion or the raised portion.

(Embodiment) A first embodiment of the present invention will be described below with reference to FIGS. 1 to 9. FIG. 1 is a perspective view showing the overall configuration of the microscope according to this embodiment, and FIG. 2 is an exploded perspective view.

In the figure, reference numeral 1 is a support rotatably attached to a base 3. As shown in FIG. 2, the support 1 is made by abutting a pair of plastic side plates 5a, 5b and fixing them with screws 7. Is configured. Through holes 9 are formed in the center of the lower part of the pair of side plates 5a and 5b, respectively. Further, the lower surfaces of the side plates 5a, 5b are formed in an arc shape with a predetermined diameter centering on the through hole 9 (arc-shaped portion 11).

A support portion 13 is installed at the position of the through hole 9. The support portion 13 includes a pair of shafts 15 each having a collar 17 at an axially intermediate position,
15 and a spring 19 mounted between the collars 17, 17. The support portion 13 having such a configuration is used for the side plates 5a and 5b.
When mounted between them, the ends of the shafts 15, 15 are urged by the springs 19 and slightly protruded from the through holes 9, 9.

On the other hand, peripheral walls 21 and 21 are vertically provided on the side of the base 3, and support posts 23 and 23 are provided at the base ends of the peripheral walls 21 and 21.
Is projected. The pillar 1 is rotatably held between the pillar holding portions 23, 23.

More specifically, a pair of holding walls 2 having a width that allows one shaft 15 to be inserted thereinto is provided inside the one support holding portion 23.
5 and 25 are projected. Similarly, sandwiching walls 25, 25 are formed inside the other column holding portion 23.
The other shaft 15 is fitted between 25 and 25. An insertion portion 27 into which the lower end of the support column 1 is inserted is formed at the base end of the base 3.

A pressing plate 29 is provided so as to project between the column holding portions 23, 23, and a locking portion 31 is formed so as to project from the tip of the pressing plate 29. As shown in FIGS. 3 and 4, the column 1 is rotated while the arcuate portion 11 is slidably contacted along the pressing plate 29. Further, a stopper portion 33 is formed on the arc-shaped portion 11, and when the stopper 33 contacts the surface of the base 3, the amount of rotation of the column 1 in the direction indicated by the arrow a in FIG. Is regulated. The rotation in the opposite direction (the direction of the arrow b in FIG. 3) can be performed until it becomes substantially horizontal as shown in FIG.

A stage 35 is attached to the column 1 so as to be vertically movable. That is, as shown in FIG. 2, a rotating shaft 37 is arranged on the back side of the stage 35 so as to penetrate the side plate 5a, and the rotating shaft 37 is also arranged so as to penetrate the side plate 5b. Axis 39
It is fitted with its tip. A peripheral wall 41 formed of an elastic body having a large friction coefficient is fixed to the rotating shaft 37, while a contact plate 43 is attached to the back surface of the stage 35. Then, by rotating the rotating shaft 37, the stage 35 moves up and down via the peripheral wall 41 and the contact plate 43. Also, on the front side of the stage 35 and in the center,
A notch portion 36 is provided for allowing a telescope lens barrel 63 described later to be inserted from the front side of the stage 35. Also,
Instead of the notch 36, a circular opening larger than the outer diameter of the telescope barrel 63 on the attachment / detachment side may be provided.

Arms 45 and 47 are attached to the column 1, and a microscope lens barrel 49 is attached to these arms 45 and 47. The microscope barrel 49 includes a barrel 51, an eyepiece lens 53 attached to one end of the barrel 51, and an objective lens holding barrel 55 holding an objective lens 57 attached to the other end. There is. The objective lens holding cylinder 55 is an objective lens
It can be attached to and detached from the cylinder 51 while holding 57.

The attachment / detachment of the objective lens holding cylinder 55 will be described in more detail. The objective lens holding cylinder 55 is located at the position of the hole 48 of the arm 47, and as shown in FIGS. 3 and 5, the tip of the operation plate 60, which is biased by the leaf spring 58 built in the column 1, is the objective. It is held by being fitted into the fitting groove 55 'of the lens holding cylinder 55. By pushing the push button 62 in this state, the operating plate 60 is pushed down against the spring force of the leaf spring 58, thereby releasing the holding of the objective lens holding cylinder 55 by the operating plate 60 and removing it.

A reflecting mirror 59 is attached to the column 1 below the stage 35 via a holding frame 61. The reflecting mirror 59 is rotatably attached to the holding frame 61. The fifth
The figure is a diagram showing the support 1 and the microscope barrel 49 extracted.

The above is the configuration of the part that functions as a microscope.
The configuration of the portion that functions as a telescope will be described.

As shown in FIG. 6, if the column 1 is rotated until it becomes substantially horizontal and the telescope lens barrel 63 is attached, it will function as a telescope. The tip of the operation plate 60, which is biased by the leaf spring 58, is fitted into the fitting groove of the adjusting portion 69 attached to the tip of the telescope barrel 63.
It is held by being fitted to 69 '.

The telescope barrel 63 has an outer barrel 65 as shown in FIG.
And an inner cylinder 67 slidably accommodated on the base end side of the outer cylinder 65.
And an adjusting portion 69 and the like attached to the base end portion 66 of the outer cylinder 65.

An objective lens 71 is attached to the tip of the outer cylinder 65, and a pair of reversing lenses 73, 73 is attached to the inner cylinder 67. The inner cylinder 67 is constantly urged in a direction projecting from the outer cylinder 65 by a spring 77 housed in the box 75 in the outer cylinder 65.

Further, as shown in FIG. 8, a pair of locking portions 79, 79 are provided on the peripheral wall of the base end of the inner cylinder 67 so as to project at a position of 180 °. Further, the base end portion 66 of the outer cylinder 65 has a small diameter, and as shown in FIG. 8, at the position of 180 °, a pair of locking portions 79, 79 for permitting axial movement of the locking portions 79, 79 are provided. Notches 81, 81 are formed in the axial direction.

As described above, the adjusting portion 69 is attached to the base end portion 66 of the outer cylinder 65, and the adjusting portion 69 is provided with a pair of inner peripheral surfaces as shown in FIGS. 7 and 9. Cam surfaces 83, 83
It is formed in a spiral shape so as to bias the locking portions 79, 79 respectively. For example, referring to FIG. 9, it gradually decreases in the direction indicated by arrow c.

Then, when the adjusting portion 69 is rotated in an appropriate direction, the locking portion
The spring 79 urges the spring 77 to come into contact with the cam surface 83 to move along the axial direction, thereby sliding the inner cylinder 67 in an appropriate direction.

Further, as shown in FIG. 7, a groove 85 is formed in the circumferential direction at the base end portion 66 of the outer cylinder 65, and an adjusting portion 69 is fixed to the base end portion 66 in the groove 85. The tip of the screw 87 is engaged.
The tip of the screw 87 engages with the end of the groove 85 in the circumferential direction, so that the rotation amount of the adjusting portion 69 is regulated.

Further, the outer cylinder 65 is provided with a locking portion 89, while the stage 35 described above is provided with a recess 91 as shown in FIGS. 1, 2, and 6. . The engagement of the locking portion 89 with the recess 91 restricts the rotation of the telescope barrel 63.

The operation will be described based on the above configuration.

First, in the case of using the microscope as a normal one, the preparation as shown in FIG. 1 is carried out, and a slide (not shown) holding an object is placed on the stage 35.

Next, the case of using as a telescope will be described. In this case, first, the objective lens holding barrel 55 of the microscope barrel is removed.

Next, as shown in FIG. 6, the column 1 is rotated to mount the telescope lens barrel 63. Then, the adjusting unit 69 is rotated in an appropriate direction to view the observation object at a desired magnification.

According to this embodiment described above, the following effects can be obtained.

First, it can be used not only as a microscope but also as a telescope. This is because the column 1 is rotatably attached to the base 3, and in particular, can be rotated until it becomes substantially horizontal, and the objective lens holding tube 55 is removed from the microscope lens barrel 49 for use in a telescope. This is because the lens barrel 63 is attachable.

When used as a telescope, the desired magnification can be obtained by rotating the adjusting unit 69 in an appropriate direction and sliding the inner cylinder 67 holding the pair of reversing lenses 73.

Since the rotation of the telescope lens barrel 63 is surely restricted by the engagement of the locking portion 89 and the recess 91, no trouble occurs even when the adjustment portion 69 makes an adjustment.

Since the amount of rotation of the adjusting portion 69 is limited by the screw 87 engaging with the end of the groove 85, there is no inconvenience due to excessive rotation.

Further, in this embodiment, since the reversing lens 73 is interposed between the objective lens 71 and the eyepiece lens 53, the observer can see an erect image.

(Effect of the Invention) As described in detail above, the microscope according to the present invention can be used as a full-scale microscope having a stage, and can also be used as a telescope by simply rearranging the components. At that time, when it is used as a microscope, it can be used well as an ordinary microscope, and when it is used as a telescope, the column can be rotated, so The functionality as can be improved.

Further, the magnification can be adjusted by operating the adjusting section of the telescope lens barrel. Further, since the rotation of the telescope lens barrel is restricted, the adjustment work by the adjusting unit will not be hindered.

[Brief description of drawings]

1 to 9 are views showing an embodiment of the present invention.
The figure is a perspective view of the microscope, FIG. 2 is an exploded perspective view of the microscope, FIG. 3 is a side view of the microscope showing the pivoting movement of the column, and FIG. 4 is a part of the microscope showing the configuration of the pivoting fulcrum of the column. Side view, fifth
Figure is a partial side view of the microscope showing the relationship between the support column and the microscope barrel, Figure 6 is a side view of the microscope when it functions as a telescope, Figure 7 is a sectional view of the telescope barrel, and Figure 8 is 7 is a sectional view taken along the line VIII-VIII in FIG. 7, and FIG. 9 is a sectional view taken along the line IX-IX in FIG. 1 …… Post 3 …… Base 49 …… Microscope barrel 53 …… Eyepiece 55 …… Objective lens holding barrel 57 …… Objective lens 63 …… Telescope barrel 65 …… Outer barrel 67 …… Inner barrel 69 …… Adjusting part 71 …… Objective lens 73 …… Reversing lens 79 …… Locking part 83 …… Cam surface 89 …… Locking part 91 …… Concave

Claims (3)

[Scope of utility model registration request] 1. A base, a support rotatably mounted on the base, a stage movably mounted in the longitudinal direction of the support, and a microscope lens barrel mounted on the support. And an objective lens holding cylinder and a telescope lens barrel which can be attached to and detached from the microscope lens barrel, wherein the stage has an opening portion through which the telescope lens barrel is attachable to and detachable from the microscope lens barrel. Alternatively, a notch is formed, and the microscope lens barrel has an eyepiece mounted on one end side and the objective lens holding barrel or the telescope lens barrel mounted on the other end side in a replaceable manner. The barrel holds an objective lens, the telescope lens barrel has at least an objective lens, and when the telescope lens barrel is attached to the microscope lens barrel, the support column is substantially parallel to the base. To the telescope barrel. The telescope lens barrel is arranged on an extension line of the microscope lens barrel by being inserted into the opening or the notch. 2. The telescope lens barrel includes an outer cylinder having an objective lens at its tip, and two inversion lenses slidably accommodated on the base side of the outer cylinder and protruding in the radial direction. An inner cylinder provided with a stopper, and a cam surface on the inner peripheral surface which is attached to the proximal end of the outer cylinder and faces the microscope lens barrel, and rotates to lock the inner cylinder by the cam surface. The microscope according to claim 1, further comprising: an adjusting portion that urges the inner cylinder to slide. 3. The outer cylinder has a convex portion or a concave portion on its outer peripheral surface, and its rotation is restricted by engaging this with a concave portion or a convex portion formed in the opening or notch of the stage. The microscope according to claim 2.