JP3156070B2 - Handle for valve operation - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle such as an opening / closing cock provided in a pneumatic circuit for a door for getting on and off a Shinkansen train, and more particularly, it can exhibit convenience when arranged in a flat narrow space. The present invention relates to a valve operating handle.

[0002]

2. Description of the Related Art For example, in the case of a Shinkansen train, an opening / closing cock is provided so that the door for getting on and off can be manually opened and closed during maintenance and inspection. Such an opening / closing cock is disposed in a flat, narrow piping space in a partition wall that separates a doorway and a guest room.

[0003]

In the conventional open / close cock, at a position where the length is fixed and the handle is oriented in the pipe direction, the cock fits in a flat piping space, but the handle is moved with respect to the pipe direction. At a right angle position, the tip of the handle protrudes out of the piping space, and the door of the piping space cannot be closed.

There are various problems that the door of the piping space must be kept open and not closed during maintenance and inspection of the door for getting on and off.

It is an object of the present invention to provide a valve operating handle which overcomes the above-mentioned problems.

[0006]

The length of the valve operating handle (10) of the present invention is adjustable.

At the time of operating the valve operating handle (10), the valve operating handle (10) is elongated to make it easy to grasp. On the other hand, when it is inconvenient if the valve operating handle (10) is long, the length of the valve operating handle (10) is shortened. In this way, the valve operating handle (10) can be appropriately adjusted to an appropriate length according to the situation, so that the convenience of the valve operating handle can be enhanced.

[0008] Another valve operating handle (10) of the present invention includes:
The distal portion (14) can be folded back toward the proximal portion (12).

When the valve operating handle (10) is operated, the distal end portion (14) is in a non-turned position with respect to the proximal end portion (12), and the valve operating handle (10) is extended. It becomes easy to grasp. On the other hand, if it is inconvenient if the valve operating handle (10) is long, the distal end portion (14) is connected to the proximal end portion.
Folded back to (12), the valve operating handle (10) is reduced in length. Thus, the valve operating handle (10) is
By appropriately adjusting the length to an appropriate value according to the situation, the convenience of the valve operating handle can be enhanced.

Another valve operating handle (10) of the present invention has the following elements (a) to (d). (A) The proximal portion (12) and the distal portion (14) which are respectively disposed on the proximal side and the distal side and are operated in a predetermined valve operating direction when the valve position is switched (b) The proximal portion (12) ) And a guide slot (24) provided in one of the distal end portion (14) and extending in a direction perpendicular to the valve operating direction. (C) The other of the proximal end portion (12) and the distal end portion (14). The guide hole is rotatable around the insertion direction and
The pin member (36) inserted in the guide slot (24) so as to be movable in the longitudinal direction of 4). (D) The rotation of the distal end portion (14) with respect to the proximal end portion (12) toward the anti-return side. Move the distal end (1) relative to the proximal end (12).
4) Stopper (26, 32) to limit to 180 ° position

The base portion (12) and the distal portion (14)
As the mode of mounting the pin member (36) on the other side, the pin member (36) is rotatably inserted in the other direction, and the pin member (36)
This includes fixing the proximal portion (12) and the distal portion (14) to the other, and integrally molding the other portion.

When the distal portion (14) is folded back to the proximal portion (12), the pin member (36) is positioned at one end of the guide slot (24). When the distal end portion (14) is rotated in the direction of returning from the folded position to the non-folded position, the pin member (3
6) moves to the other end side of the guide elongated hole (24),
The distal end portion (14) rotates around the axis of the pin member (36) with respect to the proximal end portion (12). The distal portion (14) is one to the proximal portion (12).
Rotate until it reaches the 80 ° position.
Rotation is restricted by 2), and 18
While being held at the 0 ° position, it protrudes long beyond the proximal portion (12), and as a result, the valve operating handle (10) becomes easy to grasp. On the other hand, when it is inconvenient if the valve operating handle (10) is long, the distal portion (14) is replaced with the proximal portion (12).
And the length of the valve operating handle (10) is reduced. In this manner, the valve operating handle (10) can be appropriately adjusted to an appropriate length according to the situation, thereby improving the convenience of the valve operating handle.

According to another valve operating handle (10) of the present invention, when the distal portion (14) is folded back to the proximal portion (12), the proximal portion (12) and the distal portion (14) are folded. ) Are provided on the proximal end portion (12) or the distal end portion (14).

When the distal portion (14) is folded back to the proximal portion (12), the locking member (58) engages the distal portion (14) and the proximal portion (12) with each other. Stop. As a result, the proximal end portion (12) and the distal end portion (14) are prevented from adverse effects such as generation of noise due to collision caused by vibration or the like.

According to another valve operating handle (10) of the present invention, the valve (50) is provided in the pipe (80) in the installation space (76) that can be opened and closed by the door (78), At the handle position perpendicular to the road (80), the distal end portion (14) of the valve operating handle (10) is applied to the valve (50) projecting outside the installation space (76).

When the handle position is at a right angle to the conduit (80) and the distal portion (14) is at a position of 180 ° with respect to the proximal portion (12), Since the side portion (14) projects out of the arrangement space (76), the door (78) cannot be closed. Therefore, the distal portion (14) is turned back toward the proximal portion (12), and the valve operating handle is
By reducing the length of (10), the door (78) can be closed without hindrance.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. 1 and 2 are side and plan views of the cock handle 10, FIGS. 3 and 4 are side and plan views of the proximal portion 12, and FIGS. 5 and 6 are side and plan views of the distal portion 14. FIG. The cock handle 10 includes a proximal portion 12 and a distal portion 14 of approximately the same length.

The distal end of the proximal portion 12 has a forked shape,
A pair of protrusions 20 protrude in the distal direction. Ridge 22
Protrudes from the upper surface of the distal end of each projection 20 by the thickness of the distal end portion 14, and the guide elongated hole 24 extends in the direction in which the projection 22 extends in the direction in which the projection 22 extends over the projection 20 and the projection 22. It penetrates in the width direction. The slope 26 is located at the base end of the gap between the protrusions 20 and extends obliquely downward at an inclination angle of 45 ° with respect to the upper surface of the base end portion 12.

The insertion hole 28 is formed at the distal end of the distal end portion 14 so as to penetrate in the width direction. The protruding portion 30 is located
And has a width equal to the interval between the pair of projections 20, and is inserted between the pair of projections 20. Slope 32,
It is formed on the upper surface of the end of the protruding portion 30 and has an inclination angle of 45 ° with respect to the upper surface of the distal end portion 14. The cylindrical hole 34 penetrates the protrusion 30 in the width direction.

In FIGS. 1 and 2, the connecting pin 36 has a cylindrical hole in the guide slot 24 of each raised portion 22 and a cylindrical hole in the distal portion 14 until the flange portion contacts the side surface of the proximal portion 12.
Inserted into 34. The flat washer 38 is fitted to the protruding end of the connecting pin 36 from the base end portion 12, and the split pin 40 radiates to the end of the connecting pin 36 outside the flat washer 38 in the axial direction of the connecting pin 36. Flat washer 38 from the connecting pin 36
And the connecting pin from the elongated hole 24 and the cylindrical hole 34 for guiding
36 are prevented.

Turn the cock handle 10 in the valve operation direction (the boss portion).
When the cock handle 10 is extended in a long state, for example, when the cocking handle 10 is rotated in the direction around the center line 16 (see FIG. 1), the position where the distal end portion 14 matches the center line with the proximal end portion 12 (FIG. 1) Solid line position). In this case, the connecting pin 36 is at the lower end position of the guide slot 24. Also, the slopes 26 and 32 of the proximal portion 12 and the distal portion 14 abut against each other to form a distal portion.
14 prevents further downward rotation from a position where the center line is aligned with the proximal portion 12.

When the cock handle 10 is to be shortened, for example, when the cock handle 10 is too long, the tip of the tip portion 14 is swung upward about the center line of the connecting pin 36. The distal portion 14 is moved so that The connecting pin 36 rises in the guide elongated hole 24, and the distal end portion 14 rotates around the connecting pin 36, and as shown by a two-dot chain line in FIG. Will be folded back.

FIGS. 7 and 8 are a side view and a front view of an opening / closing cock 50 equipped with the cock handle 10. FIG. The opening / closing cock 50 has a body 52 containing a valve body (not shown), and is integrated with the valve body in the rotation direction, and projects upwardly from the body 52 to form a boss 16 of the base end portion 12 at the upper end. Square hole
The shaft 18 is fitted to the shaft 18 integrally in the rotation direction. Pipe
The body 56 has its center line aligned with the center line of the tube portion of the body 52, and the body 52 and the flange portion are abutted and joined. The opening / closing cock 50 is opened and closed when the cock handle 10 is in a position parallel and at a right angle to the direction of passage of the body 52 and the pipe portion 56, respectively. In the cock handle 10, the locking fitting 58 is rotatably inserted into the insertion hole 28 at the distal end of the distal end portion 14 at the intermediate portion. The locking fitting 58 is provided with a pair of elastic leg portions 60 as both end portions, which are bent with respect to the intermediate portion, and is prevented from being detached from the insertion hole 28. At the position where the distal end portion 14 is folded back on the upper surface of the proximal end portion 12, the locking metal members 58
The tube 56 is inserted between both elastic legs 60 while expanding the
The tube portion 56 is clamped by the elastic clamping force at the minimum interval between the elastic leg portions 60. The distal portion 14 is constrained to a position where the tube portion 56 is folded back to the proximal portion 12 by the elastic legs 60 being held by the elastic leg portion 60, and is prevented from swinging with respect to the proximal portion 12. In this way, when the open / close cock 50 is not used, it is possible to prevent the distal end portion 14 from swinging with respect to the proximal end portion 12 due to vibration or the like, thereby preventing generation of noise.

FIG. 9 shows an open / close cock of the Shinkansen train 64.
It is a figure showing 50 arrangement places. The entrance 66 has doors 68 for getting on and off on both left and right sides, and is separated from the passenger compartment 70 by a partition wall 72. The door 74 is provided at a central portion in the left-right direction of the partition wall 72, and automatically opens and closes in response to a person entering or exiting between the doorway 66 and the passenger compartment 70. The piping space 76 is provided at one half of the partition wall 72 in one of the left and right directions with respect to the door 74,
By opening the door 78 from the side, the internal opening / closing cock 50 and the like can be operated.

FIG. 10 is a vertical sectional view of the area including the piping space 76 as viewed from the side. The piping space 76 has a thin flat plate shape in the front-back direction of the Shinkansen train 64, and a plurality of pipes 80 are arranged in the flat plate direction of the piping space 76. The opening / closing cock 50 is provided in the middle of the horizontal portion of the pipe 80 in the piping space 76 and is aligned with the center of the horizontal portion, and is closed when the door 68 for getting on and off can be opened and closed manually during maintenance and inspection. And the supply of pressurized air to the opening / closing door 68 opening / closing air cylinder is stopped. As shown in the figure, the non-folded position and the folded position of the cock handle 10 are aligned with the center line of the distal portion 14 with the base portion 12, i.e., the non-folded position of the distal portion 14, the distal side The tip of the portion 14 protrudes beyond the door 78 in the closed position to the entrance 66, making it difficult to close the door 78. However, this cock handle 10 allows the distal end portion 14 to be folded back to the upper surface side of the proximal end portion 12, and
After operating 50 from the open position to the closed position, the distal portion 14 is turned back to the proximal portion 12 and the cock handle 10
Can be closed and the door 78 can be closed while the opening / closing cock 50 is kept in the closed position.

[Brief description of the drawings]

FIG. 1 is a side view of a cock handle.

FIG. 2 is a plan view of a cock handle.

FIG. 3 is a side view of a proximal portion.

FIG. 4 is a plan view of a proximal end portion.

FIG. 5 is a plan view of a front end portion.

FIG. 6 is a side view of a tip side portion.

FIG. 7 is a side view of an opening / closing cock provided with a cock handle.

FIG. 8 is a front view of an opening / closing cock provided with a cock handle.

FIG. 9 is a diagram showing the location of an open / close cock in a Shinkansen train.

FIG. 10 is a vertical sectional view of a range including a piping space as viewed from a side.

[Explanation of symbols]

 Reference Signs List 10 handle for cock (handle for valve operation) 12 base end portion 14 distal end portion 24 long hole for guide 26 slope (stopper) 32 slope (stopper) 36 connecting pin (pin member) 50 opening / closing cock (valve) 58 locking Fittings (locking members) 76 Piping space (placement space) 78 Door 80 Piping (pipe)

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yasuo Toriumi 3-3-8, Nishi-Kojiya, Ota-ku, Tokyo Toriumi Seisakusho Co., Ltd. (56) References Open-ended Showa 55-163584 (JP, U) Open-ended Showa 60-54880 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F16K 31/60 F16K 5/00

Claims (3)

(57) [Claims] 1. A proximal portion (12) and a distal portion (14) which are respectively disposed on the proximal side and the distal side and are operated in a predetermined valve operating direction when switching valve positions. A guide slot (24) provided on one of the proximal end portion (12) and the distal end portion (14) and extending in a direction perpendicular to the valve operating direction; (c) the proximal end portion (12 ) And the other end of the distal end portion (14) is inserted into the guide slot (24) so as to be rotatable around the insertion direction and movable in the longitudinal direction of the guide slot (24). (D) rotating the distal end portion (14) with respect to the proximal end portion (12) toward the anti-return side by rotating the distal end portion (14) relative to the proximal end portion (12); 14) Stopper limited to 180 ° position
(26, 32), A valve operating handle comprising: 2. The distal portion to the proximal portion (12)
The locking member (58) for locking the proximal portion (12) and the distal portion (14) to each other when the (14) is folded back is the proximal portion (12) or the distal portion (14). 3. The valve operating handle according to claim 1, further comprising: 3. A valve (50) is provided in a pipe (80) in an arrangement space (76) that can be opened and closed by a door (78), and at a handle position perpendicular to the pipe (80), 3. The valve operating handle according to claim 1, wherein a distal end portion of the valve operating handle is applied to the valve protruding outside the installation space. 4.
The handle for valve operation as described.