JPH0754688Y2 - Pressure vessel - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure vessel capable of opening and closing a lid firmly and quickly.

[0002]

2. Description of the Related Art Conventionally, as a pressure vessel of this type, the applicants have proposed a device according to Japanese Utility Model Application No. 63-126933.

This conventional structure will be described with reference to FIGS.

A lower portion of the pressure vessel main body 50 serves as a pressure chamber 51, and a lid receiving step portion 52 is provided on an upper inner peripheral wall of the pressure chamber 51 so as to project therefrom, and a lid 53 is provided above the lid receiving step portion 52. Lid locking body when attaching and detaching
A plurality of storage recesses 55 are provided in the horizontal direction so that the recesses 54 can be retracted and stored in the peripheral wall, and a lid locking member 54 can be horizontally slid along the lower bottom surface 55A of each storage recess 55. The housing 53 is housed, and a locking recess 56 is provided on the outer peripheral surface of the one-side lid 53 so as to face the housing recess 55. It is formed flush with.

Therefore, when the pressure chamber 51 is to be hermetically closed, the lid 53 is supported by the lid receiving step portion 52 and each lid locking body is supported.
A part of each lid locking body 54 is slid and projected from the inside of the storage recess 55 by a slide moving device 57 provided in 54, and the lower surface of the protruding portion of this lid locking body 54 is inside the locking recess 56 on the lid 53 side. The lid 53 is abutted and locked on the lower bottom surface 56A of the
It is a structure that is locked and fixed by.

[0006]

However, in the above-mentioned conventional structure, for example, the following inconvenience occurs in new disassembly and disassembly / assembly work such as regular inspection.

First, at the time of assembly, when the lid 53 is supported on the lid receiving step portion 52, the lid locking body 54 must be escaped and housed in the housing recess 55 in advance.

Especially when the pressure vessel becomes large, this lid 53
Also, each lid locking body 54 has a considerable weight, and both the lid 53 and the lid locking body 54 must be hung and arranged by a crane or the like. In such a case, the work of suspending the lid locking body 54 and storing it in the predetermined storage recess 55 in advance is extremely troublesome, and it is a very dangerous work, and the work efficiency is extremely poor. .

Further, at the time of disassembling, it is necessary to remove the lid 53 with a crane or the like and then take out the lid locking body 54 stored in the storage recess 55 with a crane or the like. Awkward and very dangerous.

The present invention solves such a problem, can perform the work of arranging the lid body and the lid body locking body extremely quickly, and is an excellent pressure vessel capable of opening and closing the lid body firmly and quickly. Is a technical challenge.

[0011]

[MEANS FOR SOLVING THE PROBLEMS] The contents of the present invention will be described with reference to FIGS.

A lid body step portion 2 is provided on an upper inner peripheral wall of the pressure chamber 1, and a lid body locking body 4 is provided on the inner wall of the upper portion of the lid body step portion 2 when the lid body 3 is attached or detached. A storage recess 5 for storing in the housing is provided in the horizontal direction, and the lid locking body 4 is inserted into the storage recess 5.
Is horizontally slidably accommodated along the lower bottom face portion 5A in the accommodating recess 5, the lid body 3 is supported by the lid body receiving step portion 2, and the lid body is placed on the locking horizontal plane formed in the lid body 3. Locking body 4
In a pressure vessel for slidingly projecting a part of the container from the storage recess 5 and abuttingly locking it to lock the lid body 3, the lid body 3 is supported on the lid body receiving step portion 2 in a pressure container for hermetically holding the pressure chamber 1. The upper outer surface 3A of the lid body 3 is configured to be flush with the lower bottom surface portion 5A in the storage recess 5 when the lid body 3 is swung, and the lid body locking body 4 is placed on the upper outer surface 3A of the lid body 3. Is the storage recess 5
Stopper body 6 that regulates the amount of further protrusion to a predetermined amount
The present invention relates to a pressure vessel characterized in that an upper surface 3A of the lid body 3 is detachably provided.

[0013]

The operation will be described according to a specific assembling procedure.

The lid 3 is supported by the lid receiving step portion 2 and the lower pressure chamber 1 is closed.

Next, the lid locking body 4 is placed on the upper outer surface 3A of the lid 3, and the lid locking body 4 is slid along the upper outer surface 3A into the storage recess 5 for storage. Since the lower bottom surface portion 5A in the recess 5 and the upper outer surface 3A are flush with each other, the lid locking body 4 is further slid along the lower bottom surface portion 5A into the storage recess 5 for storage. The lid locking body 4 is connected to a predetermined slide moving device 7. (Housing and Deploying Operation of Lid Body Locking Body 4) After housing the lid body locking body 4 in the housing recess 5, the stopper body 6 is projectingly fixed at a predetermined position on the upper outer surface 3A.

When the lid 3 is locked and fixed, the slide moving device 7 is actuated to move the lid locking body 4 along the bottom surface 5A below the storage recess 5 and the upper outer surface 3A (locking horizontal surface). Slide part of it to project.

At this time, in this slide movement, when a predetermined amount of protrusion is made, the slide tip portion of the lid locking body 4 abuts on the stopper body 6, and it is not necessary to finely adjust the operation of the slide moving device 7, and the protrusion amount. Is regulated to a predetermined amount.

Even if the lid locking bodies 4 are arranged at radial positions around the central portion O of the upper outer surface 3A, if the stopper body 6 is arranged at an annular position around the central portion O. ,
When the slide moving device 7 is operated, when all the lid locking bodies 4 have slid and projected by a predetermined amount, they hit the stopper body 6, and the projection amount is regulated to the same.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of each part of this embodiment will be described with reference to FIGS.

The pressure chamber 1 is formed in the lower portion of the pressure vessel main body a, the upper portion thereof is closed by the lid body 3, and the lid body 3 is locked and fixed by the lid body locking body 4 so that the pressure chamber 1 is hermetically closed. Is configured.

The lid receiving step portion 2 is formed on the inner peripheral wall of the upper part of the pressure chamber 1, and a locking step portion 8 for engaging with the lid receiving step portion 2 is formed on the outer peripheral surface of the lid body 3 near the bottom. is doing.

The lid body 3 has an upper outer surface 3A formed on a horizontal top surface without forming a protrusion at any central portion, and the locking step portion 8 of the lid body 3 is covered with the lid body step portion 2. It is formed so as to be flush with the horizontally formed lower bottom surface portion 5A in the storage recess 5 when it is supported on the upper side, and the upper outer surface 3A (horizontal top surface) is the lower surface of the slide protrusion of the lid locking body 4. Is configured as a locking horizontal surface for abutting and locking.

Further, the stopper body 6 is installed at a predetermined position on the outer surface 3A of the lid upper portion by a fixing bolt 9.

The lid locking body 4 is housed in the housing recess 5 in a substantially matched state, and is set in such a shape that it is slid and retracted from the inside of the housing recess 5 onto the upper outer surface 3A, and the bottom surface is formed horizontally. However, in this embodiment, the lower bottom surface portion 5A and the upper outer surface 3 are
Directly on the bottom bottom surface 5A without providing a slide mechanism on A
In addition, it is configured to come into contact with and slide on the upper outer surface 3A.

Therefore, the bottom surface of the lid engaging body 4 is formed in a horizontal plane, and the lower bottom surface portion 5A and the upper outer surface 3A are also formed in a horizontal plane.

Further, on the outer side of the lid locking body 4, there is formed a connecting fitting portion 11 for connecting the tip of the protruding rod 10 of the slide moving device 7 employing the cylinder device.

The connecting and fitting portion 11 adopts a loose fitting method which allows some play in at least the vertical direction.
The lid locking body 4 is slid and projected, and the pressure of the pressure chamber 1 causes the lid locking body 4 to receive an upward force, whereby a sliding gap between the lid locking body 4 and the storage recess 5 causes the lid locking body 4 to move. This loose fitting system prevents this stress from being directly applied to the projecting rod 10 even if is slightly inclined upward.

Further, several lid locking bodies 4 are provided at radial positions with the central portion O of the upper outer surface 3A as the center.

The stopper body 6 is formed, for example, in a donut type annular block body, and is detachably projectingly fixed by the fixing bolt 9 at a predetermined annular position on the upper outer surface 3A.

The stopper body 6 receives the sliding tip of the lid locking body 4 on the outer peripheral wall surface and regulates the amount of slide projection of each lid locking body 4.

The setting of the fixing position of the stopper body 6 with respect to the accommodating recess 5 is determined based on the amount of protrusion of the lid locking body 4 which is most suitable for locking and fixing by stress calculation based on various conditions.

In this embodiment, the stopper bodies 6 are arranged in the annular position, and when all the lid body locking bodies 4 project by a predetermined amount, they come into contact with the stopper bodies 6, so that all the lid body locking bodies. The protrusion amounts of 4 are regulated to the same.

The stopper body 6 is detachably fixed on the upper outer surface 3A, but the lid body locking body 4 is detached when the lid body locking body 4 is accommodated and disassembled, or when the lid body is disassembled. When it is placed on the upper outer surface 3A, it is slid and moved to the center of the upper outer surface 3A so as not to interfere with the placing work of the lid locking body 4, and then it is slid to a predetermined position again to be fixed. May be. Therefore, in the present specification, the expression "removable" includes this configuration and means that it can be separated from the fixed position.

Therefore, when the lid locking body 4 is housed and deployed particularly in the case of a large pressure vessel, the lid 3 is first hung down by a crane or the like and is supported on the lid receiving step 2 as shown in FIG. Then, each lid locking body 4 is hung by a crane and placed on the upper outer surface 3A of the lid 3 and placed, and the lid locking bodies 4 are slid into the respective storage recesses 5 and stored. , Then the stopper body 6 can be fixed in place,
As compared with the conventional technique, the work for storing and deploying the lid locking body 4 can be performed extremely quickly and safely.

[0035]

EFFECTS OF THE INVENTION Since the present invention is configured as described above, the upper outer surface of the lid is used to temporarily mount the lid locking body on the upper outer surface in the operation of storing and deploying the lid locking body. , This lid locking body can be slid to be stored and deployed in the storage recess, which can be performed extremely quickly and safely compared to the conventional example. In the work, the pressure vessel has a significantly improved work efficiency.

Even if the lid locking bodies are arranged at radial positions around the central portion of the outer surface of the upper part, the stopper body is slid at the annular position around the central portion. When the moving device is operated, when all the lid locking bodies slide by a predetermined amount, they hit the stopper body, and all the protruding amounts are regulated to the same value. In this state, the lid locking body is made to project, and the pressure vessel can be firmly fixed in a well-balanced manner and the lid can be locked and fixed with good safety. Furthermore,
As an incidental effect, when the design pressure temperature of the container is the same,
In the prior art, the thickness of the lid body 53 in FIG. 6 is large because it corresponds to the stopper body, and the lid body 53 itself has a considerable weight, but in the present invention, the same portion can be omitted,
As a result, the lid becomes lighter and handling becomes easier.

[Brief description of drawings]

FIG. 1 is a front sectional view of a locked and fixed state of this embodiment.

FIG. 2 is a plan sectional view taken along the line AA of FIG.

FIG. 3 is an enlarged front sectional view of a main part of FIG.

FIG. 4 is an enlarged plan view of a main part of FIG.

FIG. 5 is an enlarged front cross-sectional view of a main part showing a state of storing and deploying a lid locking body.

FIG. 6 is a front sectional view of a conventional example.

FIG. 7 is an enlarged front sectional view of a main part of a conventional example.

[Explanation of symbols]

 O Central part 1 Pressure chamber 2 Lid receiving part 3 Lid 3A Upper outer surface 4 Lid locking body 5 Storage recess 5A Lower bottom 6 Stopper

Claims (1)

[Scope of utility model registration request] 1. A cover receiving step portion is provided on an inner peripheral wall of an upper portion of the pressure chamber, and an accommodating concave portion for accommodating a lid locking body when the cover body is attached and detached is provided on an inner peripheral wall further above the cover receiving step portion. A recess is provided in the horizontal direction, and a lid locking body is horizontally slidably housed in the housing recess along the lower bottom surface of the housing recess, and the lid is supported by the lid receiving step. In the pressure container for sealingly maintaining the pressure chamber, the lid locking body is partially slid and projected from the storage recess on the locking horizontal surface formed in the above, and the lid is locked. Is configured to be supported by the lid receiving step portion, the upper outer surface of the lid is configured to be flush with the lower bottom portion of the storage recess, and the lid engaging member is placed on the upper outer surface of the lid. A stopper body that restricts the amount of protrusion of the stopper from the storage recess to a predetermined amount is detachably provided on the upper outer surface of the lid. Pressure vessel characterized by.