JP6811054B2 - Autoclave - Google Patents

Description

The present invention relates to an autoclave in which the opening of the pressure vessel is arranged upward.

The autoclave in which the opening of the pressure vessel is arranged upward is one that is opened by rotating the lid upward (Patent Document 1) and one that is opened by rotating the lid horizontally (Patent Document 1). There is 2).

In the autoclave disclosed in Patent Document 1, as shown in FIGS. 1 and 2 of the same document, the hinge for opening and closing the lid is located at the back of the housing with respect to the front surface of the housing on which the operator stands. It is arranged on the back surface). In this autoclave, the lid is unlocked by stepping on the pedal, and the lid is opened to the inner part of the housing by moving the front side of the lid upward.

In the autoclave disclosed in Patent Document 2, as shown in FIGS. 1 and 2 of the same document, the lid is rotatably supported by the opening edge of the pressure vessel by a shaft extending in the vertical direction. .. Then, in this autoclave, the pressure vessel is opened by rotating the lid in the horizontal direction about an axis.

By the way, in the autoclave described in Patent Document 1, when the lid is opened and closed, the operator's arm is located directly above the opening of the pressure vessel, and in the unlikely event that steam in the pressure vessel is ejected at the time of opening. , There is a risk of steam getting on the arm. On the other hand, in the autoclave described in Patent Document 2, since the lid protrudes to the side of the housing, it is necessary to secure a space for that purpose.

Japanese Unexamined Patent Publication No. 2005-6927 Japanese Unexamined Patent Publication No. 11-47239

The present invention has been made in view of the actual situation of the background technology as described above, prevents troubles such as steam being applied to the arm, and is installed without requiring a space for moving the lid to the side of the housing. An object of the present invention is to provide an autoclave with less positional restrictions.

In order to achieve the above object, in the autoclave according to the present invention of claim 1, a lower case having a rectangular horizontal cross section for accommodating a pressure vessel and an upper case having a rectangular horizontal cross section for accommodating a lid are hinged. In an autoclave that is rotatably supported via an autoclave, the hinge is arranged in a corner of the back surface with respect to the front surface of the lower case where the operator is located so that the lid body is opened diagonally upward. The hook of the lower case to which the claw of the upper case engages is arranged at the front corner of the diagonal front including the hinge on the front surface of the lower case where the operator is located, and the hook is arranged. It is characterized in that a pedal for operating the hook is arranged over the front surface and the side surface in the lower portion of the front corner .

Further, in the invention of claim 1, the autoclave of claim 2 is such that the hook is rotatably arranged in the lower case, the hook is connected to the pedal via a link rod, and the pedal is connected. Is characterized in that the stepping portion at the tip is urged upward by thrilling .

Furthermore, the autoclave according to claim 3 is characterized in that, in the invention according to claim 1 or 2, the operation panel is rotatably arranged on the upper surface of the upper case by an axis in the vertical direction.

According to the autoclave of claim 1, the operator grasps the front corner of the upper case with his / her hand, for example, with his / her left hand, and moves the lid diagonally upward or downward to move the lid of the lower case. Open and close with respect to the pressure vessel. Therefore, since the operator's arm is located outside the opening of the pressure vessel, it is possible to prevent steam from being applied to the arm even if steam should be ejected from the pressure vessel. .. Further, since the lid body opens and closes diagonally upward and downward, it does not protrude to the side and it is not necessary to secure a space on the side. Further, since the lid can be opened and closed diagonally upward / downward to the right or diagonally upward / downward to the left, it is possible to select a direction with good operability based on the installation position.

Further, according to the autoclave of claim 1 , since the pedal for unlocking the lid is installed in the lower part of the housing, workability is good, and the pedals are arranged from the front surface to the side surface of the housing. Not only can you work on the front, but you can also work there by being located in front of the side, for example, by grasping it with your right hand to open and close the lid. Even in that case, it is easy to operate the pedal.

Further, according to the autoclave of claim 3, when the autoclave is located in front of the side surface of the housing and works there, the operation panel can be rotated so that the operation surface is directed toward the operator. , The operability is good.

An embodiment of an autoclave according to the present invention is shown, and is a conceptual external perspective view of a state in which a pressure vessel is closed by a lid. It is a conceptual perspective view which showed the state which opened the lid body in the autoclave of this embodiment. FIG. 3 is a sectional view taken along line III-III in FIG. It is an exploded perspective view which showed the mounting structure of the operation panel in the autoclave of this embodiment.

Hereinafter, an embodiment of the autoclave according to the present invention will be described in detail with reference to the drawings.

In the illustrated autoclave 1, as shown in FIGS. 1 and 2, the housing 2 has a substantially box shape. The housing 2 is formed by a lower case 2a containing the pressure vessel 3 and an upper case 2b containing the lid 4. The pedal 5 is arranged over the lower corner of the front surface A and the lower corner of the side surface B in the lower case 2a, and the operation panel 6 is arranged on the upper surface of the upper case 2b.
In this embodiment, in the housing 2, the "front surface A" refers to the surface where the operator stands.

As shown in FIG. 3, the lid 4 is composed of a frame 7 formed in a bow shape and an inverted truncated cone-shaped closing body 8 fixed to the center thereof. The frame 7 is arranged from the right corner of the front surface A in the lower case 2a to the left corner of the back surface C in the lower case 2a. A claw 9 is formed at the tip of the frame 7. The base end of the frame 7 is connected to the opening edge of the pressure vessel 3 (the left corner of the back surface C in the lower case 2a) via a hinge 10.

On the other hand, in the upper right corner of the front surface A of the lower case 2a, a hook 11 that engages with the claw 9 of the frame 7 is rotatably arranged as an engaging means of the lid 4. The hook 11 is connected to the pedal 5 via a link rod 12. The pedal 5 is urged upward by the stepping portion 5a at the tip thereof by the spring 13.

In the autoclave 1 configured in this way, the hook 11 is rotated clockwise around the rotation shaft 11a via the link rod 12 by the urging force of the spring 13, and is attached to the claw 9 of the lid 4. Engage and hold the lid 4 in the closed state. Then, by depressing the pedal 5 against the urging force of the spring 13, the hook 11 is rotated counterclockwise in FIG. 3 via the link rod 12, and the hook 11 is separated from the claw 9 of the lid 4. The lid 4 is ready to be opened.

The operation panel 6 is installed on the upper surface of the upper case 2b. As shown in FIG. 4, the operation panel 6 has a hole 6b formed at the bottom of the base 6a, and the upper end of the sleeve 14 is fixed to the peripheral edge of the hole 6b. On the other hand, a hole 2c is formed in the upper case 2b, a sleeve 14 is inserted into the hole 2c, a wave washer 15, a low friction resin washer 16, and a fixing plate 17 are fitted into the sleeve 14, and the fixing plate 17 is fitted. Is fastened to the upper case 2b to hold the sleeve 14 in the upper case 2b. Then, a low friction resin washer 18 is fitted to the lower end of the sleeve 14, and a C ring 19 is fitted to hold the base 6a rotatably with respect to the upper case 2b.

In the operation panel 6, the sleeve 14 is elastically held in the axial direction by the wave washer 15, and the friction in the rotational direction is reduced by the low friction resin washers 16 and 18.

In the autoclave 1 of the above-described embodiment, the operator stands in front of the front surface A in FIG. 1 to perform the work. In this case, the operation panel 6 directs the panel surface toward the operator as shown by the solid line. After the work is completed, the pedal 5 is stepped on to open the lid 4. Further, it is necessary to close the lid 4 again at the start of the work, but when opening and closing the lid 4, the operator grasps the handle with his left hand and moves the lid 4 in the diagonally left direction. Therefore, the lid 4 can be opened and closed without the arm being located above the opening of the pressure vessel 3.

Further, in the autoclave 1, the operator can also stand in front of the side surface B in FIG. 1 to perform the work. In this case, the operation panel 6 rotates the panel surface by 90 degrees and faces the operator as shown by the two-dot chain line. After the work is completed, the pedal 5 is stepped on to open the lid 4. Further, it is necessary to close the lid 4 again at the start of the work, but when opening and closing the lid 4, the operator grasps the handle with his right hand and moves the lid 4 diagonally upward or downward to the right. Therefore, the lid 4 can be opened and closed without the arm being located above the opening of the pressure vessel 3.

Although the embodiment of the autoclave according to the present invention has been described above, the present invention is not limited to the above-described embodiments and is within the scope of the technical idea of the present invention described in the claims. Of course, various modifications and changes are possible.

The autoclave according to the present invention described above prevents troubles such as steam getting on the arm and does not require a space for moving the lid to the side of the housing, so that it can be safely used even in a narrow installation space. It is an autoclave that can be widely used in laboratories, laboratories, laboratories, etc. Further, since the lid can be opened and closed diagonally upward / downward to the right or diagonally upward / downward to the left, it is possible to select a direction with good operability based on the installation position.

1 Autoclave 2 Housing 2a Lower case 2b Upper case 2c Hole 3 Pressure vessel 4 Lid 5 Pedal 5a Stepping part 6 Operation panel 6a Base 6b Hole 7 Frame 8 Closure 9 Claw 10 Hinge 11 Hook 11a Rotating shaft 12 Link rod 13 Spring 14 Sleeve 15 Wave washer 16 Low friction resin washer 17 Fixed plate 18 Low friction resin washer 19 C ring

Claims (3)

In an autoclave that rotatably supports an upper case having a rectangular horizontal cross section for accommodating a pressure vessel and an upper case having a rectangular horizontal cross section for accommodating a lid via a hinge.
The hinge is arranged at a corner of the back surface with respect to the front surface of the lower case where the operator is located so that the lid body is opened diagonally upward .
The hook of the lower case with which the claws of the upper case engage is arranged at the front corner of the diagonal front including the hinge on the front surface of the lower case where the operator is located, and at the same time.
An autoclave characterized in that a pedal for operating the hook is arranged over the front surface and the side surface at a lower portion of a front corner where the hook is arranged . The hook is rotatably arranged in the lower case, the hook is connected to the pedal via a link rod, and the pedal is characterized in that the stepping portion at the tip is urged upward by thrilling. The autoclave according to claim 1. The autoclave according to claim 1 or 2, wherein the operation panel is rotatably arranged on the upper surface of the upper case by an axis in the vertical direction.

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