JPH09243927A - Stand for microscope - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stand which is easily movable, allows the observation of a large sample and occupies a less installation space. SOLUTION: This stand has a perpendicular strut 2 fixed to a pedestal 1, a first horizontal arm 4 having a microscope mounting part 3 at its front end and a supporting member 5 for supporting this arm 4 movably in a horizontal direction. The stand has a second horizontal arm 8 which is supported at this supporting member movably in a horizontal direction and is provided with a balancing weight 7 at the front end on the side opposite to the microscope mounting part and a gear mechanism which is disposed at the supporting member and moves the second horizontal arm 8 in the direction opposite to the first horizontal arm 4 linked with the horizontal movement of the first horizontal arm 4. When the first horizontal arm 4 is extended, the second horizontal arm 8 moves in the direction opposite to the first horizontal arm 4 and, therefore, the balancing of the moment M1 on the microscope 9 side and the moment M2 on the balancing weight 7 side is maintained constant at all times.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a microscope stand for movably supporting a microscope for observing a large sample under a microscope or for observing a microscope requiring a wide working space.

[0002]

2. Description of the Related Art Conventionally, as this type of microscope mount,
For example, those shown in FIG. 4, those shown in FIG. 5, and those shown in FIGS. 6 and 7 are known, respectively.

The microscope mount shown in FIG. 4 includes a pedestal 40,
A vertical support column 41 fixed to the pedestal 40, a horizontal arm 43 having a microscope mounting device 42 at the tip, a support member 44 provided on the support column 41 and movably supporting the horizontal arm 43 in a horizontal direction, and a support And a stopper 45 for holding the member 44 at an arbitrary position. Microscope mounting device 42
A microscope 46 is attached to the. The support member 44 is
It can be rotated around the support column 41 and can be moved vertically along the support column 41 in a state where the screw 45a of the stopper 45 is loosened. Therefore, the microscope 46 can be positioned at an arbitrary position with respect to the sample by moving the horizontal arm 43 up and down, rotating the column 41 around the center, and moving it horizontally. Further, the pedestal 40 can be placed on the work table, and the sample placed on the work table can be observed by the microscope 46. In this conventional technique, the horizontal arm 4
As shown in the figure, the weight of the pedestal 40 is increased and the weight of the pedestal 40 is increased so that the microscope pedestal does not fall due to the moment (maximum moment) M on the microscope side when it is most extended.
The amount of protrusion of 0 to the side opposite to the microscope 46 is increased to generate a moment M ′ sufficiently larger than the maximum moment M.

In the microscope pedestal shown in FIG. 5, the pedestal 50 is largely extended to the microscope 46 side so that the microscope pedestal does not fall due to the maximum moment M on the microscope side.
In this conventional technique, the pedestal 50 is placed on the work table, and the sample is placed on the pedestal 50.

In the microscope mount shown in FIGS. 6 and 7, the two auxiliary legs 60a and 60b are V-shaped from the base 60 to the microscope 46 side so that the microscope mount does not fall due to the maximum moment M on the microscope side. It is overhanging. In this conventional technique, the pedestal 60 is placed on a workbench and the sample is placed between the auxiliary legs 60a and 60b.

[0006]

However, in the conventional microscope mount shown in FIG. 4, since the weight of the pedestal 40 is large, the entire microscope mount becomes heavy, and the microscope mount which is supposed to move is There was a problem that it was not easy to move.

Further, in the conventional microscope mount shown in FIG. 5, since the sample is placed on the pedestal 50 which greatly projects toward the microscope 46, there is a problem that the size of the sample is limited.

Further, in the microscope mount shown in FIGS. 6 and 7, since the two auxiliary legs 60a and 60b are largely projected in a V-shape from the base 60 toward the microscope 46, a wide installation for the microscope mount is possible. Space is needed,
Since the sample is placed between the auxiliary legs 60a and 60b, there is a problem that the size of the sample is limited.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a microscope pedestal that is easy to move, can observe a large sample, and requires a small installation space.

[0010]

In order to solve the above-mentioned problems, a microscope mount according to a first aspect of the present invention comprises a vertical column fixed to a pedestal, an arm having a microscope mounting portion at its tip, and In a microscope mount equipped with a support member that is provided on a column and that supports the arm so as to be movable in a substantially horizontal direction, a microscope mount that is supported by the support member so as to be movable in a substantially horizontal direction, and A second arm provided with a counterweight at the tip on the opposite side and a second arm provided on the support member and interlocking with the movement of the arm in the substantially horizontal direction are referred to as the arm. Interlocking means for moving in opposite directions.

When the arm is extended while the microscope is attached to the microscope mounting portion, the second arm having the counterweight on the tip moves in the direction opposite to the arm, so that the moment on the microscope side and the counterweight are balanced. The balance with the moment on the trailing side is always kept constant. Therefore, it is not necessary to increase the weight of the pedestal or to extend the pedestal to the microscope side so as to generate a moment sufficiently larger than the moment on the microscope side when the arm is most extended.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view showing a microscope mount according to a first embodiment of the present invention, and FIG. 2 is a partial sectional view showing a part of FIG. 1 in section.

The microscope pedestal shown in FIG. 1 is provided on a pedestal 1, a vertical column 2 fixed to the pedestal 1, a first horizontal arm 4 having a microscope mounting device 3 at its tip, and a column 2. A support member 5 that supports the first horizontal arm 4 movably in the horizontal direction, a stopper 6 that holds the support member 5 at an arbitrary height position, and a support member 5 that is movably supported in the horizontal direction. , A second horizontal arm 8 provided with a counterweight 7 at the tip opposite to the microscope attachment device 3. A microscope 9 is attached to the microscope attachment device 3.

The support member 5 is rotatable around the support column 2 and is vertically movable along the support column 5 with the screw 6a of the stopper 6 being loosened. Therefore, the microscope 9 can be positioned at an arbitrary position with respect to the sample by moving the first horizontal arm 4 up and down, rotating the column 2 around the center, and moving it horizontally. Both arms 4 and 8 can rotate and move up and down together with the support member 5.

Further, a gear mechanism (interlocking means) for moving the second horizontal arm 8 in a direction opposite to the first horizontal arm 4 in conjunction with the horizontal movement of the first horizontal arm 4.
10 is provided (see FIG. 2).

The gear mechanism 10 includes a rack 10a provided on each of the first horizontal arm 4 and the second horizontal arm 8.
And 10b, and a gear 10c rotatably supported by the support member 5. The rack 10a meshes with the lower side of the gear 10c, and the rack 10b meshes with the upper side of the gear 10c.

The weight of the counterweight 7 and the installation position on the second horizontal arm 8 are such that a moment M2 that almost balances with the moment M1 on the microscope 9 side at an arbitrary position of the first horizontal arm 4. Chosen to occur on the side.

Next, the operation of the first embodiment will be described.

When the pedestal 1 is placed on a work table (not shown) and the first horizontal arm 4 is extended with the microscope 9 mounted on the microscope mounting portion 3, a second counterweight 7 is provided at the tip. Since the horizontal arm 8 moves in the opposite direction from the first horizontal arm 4 by the same amount, the moment M1 on the side of the microscope 9 is increased.
The balance with the moment M2 on the counterweight 7 side is always kept constant. Therefore, it is necessary to increase the weight of the pedestal 1 or to extend the pedestal 1 to the microscope 9 side so as to generate a moment sufficiently larger than the moment on the microscope 9 side when the first horizontal arm 4 is most extended. Absent.

Therefore, the weight of the entire microscope mount can be reduced, the microscope mount can be easily moved, a large sample can be placed on a work table for observation, and the installation space of the microscope mount can be increased. Can be small.

According to the first embodiment, the first
The racks 10a and 10b and the gear 10 are provided with interlocking means for moving the second horizontal arm 8 in the direction opposite to the first horizontal arm 4 in conjunction with the horizontal movement of the horizontal arm 4.
By configuring the gear mechanism 10 including c, the arms 4 and 8 can move in the horizontal direction by the length of the racks 10a and 10b, so that the range of movement of the arms 4 and 8 can be wide, and Easy to manufacture.

Next, a microscope mount according to a second embodiment of the present invention will be described with reference to FIG.

FIG. 3 is a side view showing a microscope mount according to the second embodiment of the present invention. In the description of this embodiment, the same parts as those in the first embodiment will be designated by the same reference numerals, and redundant description will be omitted.

In the microscope mount shown in FIG. 3, interlocking movement of the second horizontal arm 8 in the direction opposite to that of the first horizontal arm 4 is interlocked with the horizontal movement of the first horizontal arm 4. As means, a link mechanism 20 is provided instead of the gear mechanism 10.

The link mechanism 20 has elongated holes 21a and 21b.
And a link 21 rotatably supported on the side surface of the support member 5 and fixed to the first horizontal arm 4 and having a long hole 21a.
The pin 22 slidably engaged with the second horizontal arm 8
Pin 23 fixed to and slidably engaged with the long hole 21b.
It is composed of

The long holes 21a and 21b have the same shape,
The links 21 are provided symmetrically with respect to the rotation center 21c.

The distance from the rotation center 21c to the pin 22 is equal to the distance from the rotation center 21c to the pin 23.

Next, the operation of the second embodiment will be described.

The pin 22 is at the right end of the slot 21a and the pin 2
When the first horizontal arm 4 is extended in a state in which 3 are engaged with the left ends of the long holes 21b (in this state, the link 21 is in the position rotated counterclockwise from the position in FIG. 3), the pin 22, The link 21 rotates clockwise as 23 is displaced outward in the elongated holes 21a and 21b, and the second horizontal arm 8 is extended by the same amount in the direction opposite to the first horizontal arm 4. As a result, the moment M on the microscope 9 side
The balance between 1 and the moment M2 on the counterweight 7 side is always kept constant. Therefore, the first horizontal arm 4
It is not necessary to increase the weight of the pedestal 1 or to greatly extend the pedestal 1 to the microscope 9 side so as to generate a moment sufficiently larger than the moment on the microscope 9 side when the carriage 1 is most extended.

Therefore, the weight of the entire microscope mount can be reduced, the microscope mount can be easily moved, a large sample can be placed on a work table for observation, and the installation space of the microscope mount can be increased. Can be small.

In each of the above embodiments, the first horizontal arm 4 and the second horizontal arm 8 are both configured to move in the horizontal direction. However, the first horizontal arm 4 and the second horizontal arm 8 are both movable. Both arms 8 may be configured to move in the same direction inclined with respect to the horizontal direction.

[0033]

As described above, according to the microscope mount according to the first aspect of the invention, when the arm is extended with the microscope attached to the microscope attaching portion, the counterweight is provided at the tip. Since the second arm moves in the direction opposite to the arm, the balance between the moment on the microscope side and the moment on the counterweight side is always kept constant. Therefore, it is not necessary to increase the weight of the pedestal or to extend the pedestal to the microscope side so as to generate a moment sufficiently larger than the moment on the microscope side when the arm is most extended. Therefore, it is easy to move, a large sample can be observed, and the installation space is small.

[Brief description of drawings]

FIG. 1 is a side view showing a microscope pedestal according to a first embodiment of the present invention.

FIG. 2 is a partial cross-sectional view showing a part of FIG. 1 in cross section.

FIG. 3 is a side view showing a microscope mount according to a second embodiment of the present invention.

FIG. 4 is a side view showing a conventional example.

FIG. 5 is a side view showing another conventional example.

FIG. 6 is a plan view showing still another conventional example.

FIG. 7 is a side view of FIG. 6;

[Explanation of symbols]

 1 pedestal 2 support 3 microscope mounting part 4 first horizontal arm (arm) 5 support member 7 counterweight 8 second horizontal arm (second arm) 10 gear mechanism (interlocking means) 20 link mechanism (interlocking means)

Claims (3)

[Claims] 1. A vertical support column fixed to a pedestal, an arm having a microscope mounting portion at its tip, and a support member provided on the support column and movably supporting the arm in a substantially horizontal direction. In a microscope mount, supported by the support member so as to be movable in a substantially horizontal direction,
A second arm provided with a counterweight at a tip opposite to the microscope attachment part, and a second arm provided on the support member, the second arm being interlocked with the movement of the arm in the substantially horizontal direction. A microscope mount comprising: interlocking means for moving the arm in a direction opposite to the arm. 2. The microscope mount according to claim 1, wherein the interlocking means comprises a gear mechanism. 3. The microscope mount according to claim 1, wherein the interlocking means comprises a link mechanism.