JP2006070930A - Connection structure of vessel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connection structure of vessel attachable and detachable as required and capable of connecting a pressure vessel to the other pressure vessel without performing rotating operation. <P>SOLUTION: The body end parts of the pressure vessel are allowed to abut on each other, and an inner socket member 22 fixed to one body end part thereof comprises a recessed groove 28 and a pressing surface 29 on the outer peripheral surface of an annular body. An outer socket member 30 fixed to the other body end part comprises a recessed groove 31 matching the recessed groove and a seal ring 32 pressing the pressing surface 29. Also, the outer socket member 30 is fitted to the inner socket member 22, and a lock member 34 formed of an annular ring is fitted to the recessed grooves 28 and 31 facing each other so as to be increased and decreased in diameter. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a connecting structure for a can body of a pressure vessel used for human treatment, and more particularly to a structure in which two can body end portions are brought into contact with each other so as to be sealed and detachable.

As shown in Patent Documents 1 to 6 below, many applicants have provided pressure vessels used for human treatment and food processing, but the lid of the can body forming the pressure vessel can be sealed and opened and closed. In order to make the protrusions overlap each other by forming protrusions at predetermined pitch intervals in the circumferential direction on the outer peripheral edge of the can body end and the inner peripheral edge of the lid and rotating the cover by 1/2 pitch, respectively. Alternatively, when the lid is closed, the can body can be sealed by providing a seal ring on both or one of the lid and the end of the can body.
Japanese Patent No. 2942756 Japanese Patent No. 2807408 Japanese Patent No. 2675522 Japanese Patent No. 2521584 Patent No. 1913793 Patent No. 1818906

  By the way, recently, there is a system in which a person is accommodated in a pressure vessel for the purpose of treatment, and there is a system in which the pressure vessel is transferred to a main treatment site. In this case, the first pressure in which a person is accommodated The container may be docked against the second or third pressure container at the main treatment site. In this docking, the docking sockets provided on both pressure vessels are engaged with each other. In this case, the can body and the projection of the lid are connected or detached by causing a phase shift between them. Is used, there is a problem that at least the entire first pressure vessel must be rotated about the axis.

  Therefore, the present invention provides a connecting structure of a container which can be attached and detached as required and can dock a pressure vessel with another pressure vessel without rotating.

  According to the first aspect of the present invention, the inner socket member that abuts the end portion of the can body and is fixed to one end portion of the can body has a concave groove on the outer peripheral surface of the annular body, and the other can body The outer socket member fixed to the end has a concave groove that matches the concave groove on the inner circumferential surface of the annular body, and the concave groove that faces the outer socket member by fitting the outer socket member into the inner socket member The container connecting structure is characterized in that a lock member made of an annular ring is fitted into the inside so as to be able to expand and contract.

  According to the second aspect of the present invention, the inner socket member that abuts the can barrel end portion of the pressure vessel and is fixed to one can barrel end portion has the concave groove and the pressure contact surface on the outer peripheral surface of the annular body. The outer socket member fixed to the other end of the can body has a concave groove that matches the concave groove on the inner peripheral surface of the annular body, and a seal ring that press-contacts the pressure contact surface, and the outer socket member The pressure vessel connecting structure is characterized in that a lock member made of an annular ring is fitted in the concave groove facing the inner socket member so as to be able to expand and contract.

  According to a third aspect of the present invention, the lock member cuts a part of an annular ring fitted in the concave groove, and attaches ears to both ends thereof, and attaches to one of the ears. Is connected to a collar with a right screw hole and a left screw hole on the other side. A screw rod is inserted into these screw holes, and a rotating handle or actuator is provided at one end of the screw rod. The container connection structure according to claim 1, wherein the container connection structure is provided.

  And according to Claim 4, the said outer socket member is detachably mounted | worn with the same structure provided with the structure corresponded to the said inner socket member formed in the outermost side of another connection structure, It is characterized by the above-mentioned. It is set as the connection structure of the container in any one of Claims 1-3.

  According to the present invention, the lock member faces the inner socket member and the outer socket member by expanding the diameter of the lock member and moving it in the radial direction of the can body while the can body is left stationary without rotating. The lock of the coupling is released from the boundary in the concave groove that is located on the outer socket member side, and the lock member is operated to reduce the diameter to be drawn into the boundary in the concave groove facing the inner socket member and the outer socket member. Thus, since a plurality of can bodies can be connected and locked, there is no need for special equipment for rotating the can body, and it is easy, economical, and economical. And the effect that this connection structure has the convenience that it can attach or detach as needed is acquired.

  The can barrel connecting structure of the present invention includes an inner socket member fixed to one can barrel end and an outer socket member fixed to the other can barrel end, and these can be attached and detached via a lock member. It is configured by fitting with.

  FIG. 1 is a front view showing an embodiment of the present invention. In the figure, 1 represents a first pressure container that accommodates a subject and pressurizes or depressurizes, and 2 indicates that the pressure container 1 is docked. The second pressure vessel is connected to each other and accommodates a therapist or the like inside. The 1st pressure vessel 1 has the wheel 3 in the lower part, and is comprised so that a movement is possible. The second pressure vessel 2 is a fixed type, but may be configured to be movable by attaching a wheel to the lower portion. The first pressure vessel 1 is composed of two can barrels 4 and 5, and the second pressure vessel 2 is connected via a connecting member 6 (see section A in FIG. 1) provided on the can barrel 4 on the head side. It is connected with. A third pressure vessel 9 may be connected to the can body 5 on the foot side connected to the can body 4 via the connecting member 7 via a connecting member 8 provided integrally with the connecting member 7. is there.

  As shown in FIG. 2, the connecting member 6 includes an inner socket member 10 that is fixed to the end of the can body 4, and has a groove 11 and a pressure contact surface 12 on the outer peripheral surface of the annular body. The outer socket member 13 fixed to the body end portion has a groove 14 that matches the groove 11 and a seal ring 15 that presses against the pressure contact surface 12 on the inner peripheral surface of the annular body. Then, the outer socket member 13 is fitted into the inner socket member 10 and the lock member 16 formed of an annular ring is fitted into the concave grooves 11 and 14 facing each other so as to be able to expand and contract. The same protrusions 17 as those in the conventional example are formed on the inner peripheral surface of the inner socket member 10 at a predetermined pitch interval, and the same protrusions 18 as the protrusions 17 are formed on the lid 19 at a predetermined pitch interval. Is formed. A concave groove 21 in which a seal ring 20 is embedded is formed on the pressure contact surface between the outer peripheral edge of the lid 19 and the inner socket member 10.

  As shown in FIG. 3, the connecting member 7 has an inner socket member 22 fixed to the end of the can body 4, and projections 23 similar to the conventional example are formed on the inner peripheral surface of the annular body at a predetermined pitch interval. The socket member 26 fixed to the end portion of the can body 5 has a protrusion 27 that engages and disengages the protrusion 23 and a seal ring 25 that contacts the pressure contact surface 24.

  As shown in FIG. 3, the connecting member 8 has an inner socket member 22 that is fixed to the end of the can body 4, and has a groove 28 and a pressure contact surface 29 on the outer peripheral surface of the annular body. The outer socket member 30 to be fixed to the end of the can body connected to the groove has a concave groove 31 in which an inner peripheral surface of the annular body is embedded with a concave groove 31 that matches the concave groove 28 and a seal ring 32 that is press-contacted with the pressure contact surface 29. It becomes. The outer socket member 30 is fitted into the inner socket member 22 and the lock member 34 formed of an annular ring is fitted into the concave grooves 28 and 31 facing each other so as to be able to expand and contract. In addition, the protrusion part 35 similar to the said prior art example is formed in the outer peripheral surface of the outer socket member 30 in the circumferential direction at predetermined pitch intervals.

  As shown in FIG. 4, the lock members 16 and 34 are annular metal rings, and a part of the annular ring fitted into the concave grooves 11, 14, 28 and 31 is cut off. Ear parts 40 are fixed to both ends. Then, as shown in FIGS. 5 to 7, these ear portions 40, 40 are faced to the opening portion 49 in which the concave grooves 14, 31 are opened in the radial direction, and the ear portions 40, 40 are within the opening portion 49. The brackets 48 and 48 are connected to each other by pins 45 and 45, respectively, and collars 43 and 44 in which the right screw hole 41 and the left screw hole 42 are formed are accommodated in the brackets 45 and 45, respectively. Then, a screw rod 46 is inserted into the screw holes 41 and 42, and a rotation handle 47 or an actuator is provided at one end of the screw rod 46 to constitute an operation portion of the lock member. It may be replaced with a thing.

  Therefore, when the handle 47 is rotated forward, the interval between the collars 43 and 44 is increased, the diameter of the lock members 16 and 34 is increased, and the lock member is the concave grooves 11 and 14 or the concave grooves 28 and 28 of the outer socket members 13 and 30. 31, thereby locking the inner socket members 10 and 22 and the outer socket members 13 and 30. On the contrary, when the handle 47 is rotated in the reverse direction, the interval between the collars 43 and 44 is narrowed, the diameter of the lock members 16 and 34 is reduced, and the lock member is the concave groove 14 of the outer socket members 13 and 30 and the inner socket members 10 and 22. Or it moves to the concave groove 31 to release the lock.

  Thus, when the first pressure vessel 1 is to be connected to the second or third pressure vessel 2, 9, it is not necessary to rotate the first pressure vessel 1 about its axis, which is convenient. Further, since the outer socket member 30 can be easily removed from the inner socket member 22 as described above, it can be removed in the usual case and the third pressure vessel 9 can be attached when necessary. There is convenience.

It is a half section front view showing one example of the present invention. It is an expanded sectional view of the A section in FIG. It is an expanded sectional view of the B section in FIG. It is a front view of the lock member concerning the present invention. It is a front view which shows the operation part of a locking member. It is a partial cross section side view which shows the operation part of a locking member. It is a partial cross section top view which shows the operation part of a locking member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... 1st pressure vessel 2 ... 2nd pressure vessel 4,5 ... Can body 6, 7, 8 ... Connection member 9 ... 3rd pressure vessel 10, 22 ... Inner socket member 11, 14, 28, 31 ... Groove 12, 29 ... Pressure contact surface 13, 30 ... Outer socket member 15, 32 ... Seal ring 16, 34 ... Lock member 40 ... Ear portion 41 ... Right screw hole 42 ... Left screw hole 43, 44 ... Collar 45 ... Pin 46 ... Threaded rod

Claims (4)

  The inner socket member that abuts the end of the can body and is fixed to one end of the can body has a groove on the outer peripheral surface of the annular body, and the outer socket member that is fixed to the end of the other can body is an annular body. A locking member comprising an annular ring in the concave groove facing the outer socket member by fitting the outer socket member to the inner socket member. A container connecting structure characterized by being fitted so as to be able to expand and contract.   The inner socket member that abuts the end of the can body of the pressure vessel and is fixed to one end of the can body has a groove and a pressure contact surface on the outer peripheral surface of the annular body, and is fixed to the other end of the can body The outer socket member has a concave groove that matches the concave groove on the inner peripheral surface of the annular body and a seal ring that press-contacts the pressure contact surface, and the outer socket member is fitted to the inner socket member. A connecting structure for a pressure vessel, wherein a locking member formed of an annular ring is fitted in the concave groove facing each other so that the diameter can be increased and reduced.   The lock member cuts a part of an annular ring that fits in the concave groove, and attaches ears to both ends thereof. One of these ears has a right-hand threaded hole, and the other has 2. A collar having left screw holes respectively coupled thereto, screw rods are inserted into these screw holes, and a rotation handle or an actuator is provided at one end of the screw rod. Or the connection structure of the container of 2. The said outer socket member is detachably mounted | worn with the same structure provided with the structure corresponded to the said inner socket member formed in the outermost side of another connection structure, The any one of Claims 1-3 characterized by the above-mentioned. The connection structure of the container as described in 2.

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