JP6622994B2 - Handle with nameplate for fluid controller - Google Patents

Description

  The present invention relates to a handle with a nameplate for a fluid controller.

  In a fluid controller such as a manual open / close valve, a handle with a nameplate comprising a handle body for rotating a valve stem, a circular nameplate provided on the top of the handle body, and a handle cover for holding the nameplate on the handle body is used. (Patent Document 1).

  In a structure where the valve stem is threaded and the valve stem moves up and down by the rotation of the handle, when attaching the handle to the on-off valve, determine the orientation of the handle when fully closed at the stage of installation. Although it is difficult, it is desirable to position the nameplate after attaching the handle to the on-off valve in order to grasp the open / closed state of the handle and the aesthetics of installing the device.

JP2013-7431A

  In a handle with a nameplate for a fluid controller, the nameplate needs to be positioned and attached to the handle body, and the positioning state needs to be maintained even if the handle body is repeatedly operated.

  However, the conventional handle with a nameplate for a fluid controller has a problem that the nameplate may rotate with respect to the handle body, and the initial positioning state cannot be maintained.

  An object of the present invention is to provide a handle with a nameplate for a fluid controller that prevents the nameplate from rotating with respect to the handle body, and can easily set and maintain the initial positioning and orientation of the nameplate. is there.

  A handle with a nameplate for a fluid controller according to the present invention is provided with a nameplate for a fluid controller having a handle body for rotating a valve stem, a circular nameplate disposed on the top of the handle body, and a handle cover for holding the nameplate on the handle body. The handle is provided with a plurality of recesses at predetermined intervals on the outer periphery of the nameplate, and the handle cover is provided with a protrusion that fits into any of the plurality of recesses. Any one of them is fitted to the convex part of the handle cover, and is held by the handle cover so as not to rotate.

  The nameplate is formed in a gear shape, for example, and meshed with the convex portion of the handle cover so that it cannot be rotated with respect to the handle cover. The nameplate is held on the handle body by the handle cover, and the nameplate is prevented from rotating with respect to the handle body.

  The handle cover is attached so that the position and orientation of the nameplate can be adjusted after the handle is attached, for example, with the valve opening fully closed. At this time, the handle cover is fixed to the handle body only by its protrusion. The

  The handle body has a peripheral wall and a top wall, and the top wall is provided with at least one through hole for supporting the handle cover. The handle cover is provided integrally with the top of the disk and the handle. It is preferable to have at least one protrusion fitted into at least one handle cover supporting through hole of the main body.

  This prevents the handle cover from rotating with respect to the handle body, and thus reliably prevents the nameplate from rotating with respect to the handle body.

  It is preferable that a protrusion for preventing the handle cover from coming off from the through hole for supporting the handle cover is provided on a side surface of the protruding portion of the handle cover.

  If it does in this way, a handle cover can be fixed to a handle body, without using adhesion and screw connection, and an assembly of a handle with a nameplate for fluid controllers can be simplified.

  The nameplate is made of a transparent synthetic resin, and it is preferable that a display portion is provided on the surface of the nameplate on the handle body side.

  In this way, the display is covered with the nameplate and is not exposed to the outside, so the display is physically damaged or disappeared due to wear or friction, or chemicals are attached and the display is chemically damaged or disappeared. And can be clearly displayed over a long period of time.

  According to the handle with a nameplate for a fluid controller of the present invention, the nameplate is held on the handle body by the handle cover, and the concave portion is fitted with the convex portion of the handle cover, so that it cannot be rotated with respect to the handle cover. Thus, the nameplate is prevented from rotating with respect to the handle body. Therefore, the initial positioning state of the nameplate can be maintained even if the handle operation is repeated.

  In addition, the combination of the convex part of the handle cover and the concave part of the name plate makes it easy to position and position the name plate in the first place. Can be used as a nameplate handle.

FIG. 1 is an exploded perspective view showing one embodiment of a handle with a nameplate for a fluid controller according to the present invention. FIG. 2 is a front sectional view of FIG. FIG. 3 is a perspective view showing a state in which the nameplate and the handle cover are combined. FIG. 4 is an exploded perspective view of FIG.

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

  1 to 4 show an embodiment of a handle with a nameplate for a fluid controller according to the present invention. In the following description, FIG. 2 is a diagram seen from the front, and the upper and lower sides in FIG.

  This handle (11) with a nameplate for the fluid controller rotates the valve stem (10) of the fluid controller by rotating it, and opens and closes the fluid passage in the fluid controller. A handle main body (12) to be operated, a nameplate (13) disposed on the top of the handle main body (12), and a handle cover (14) for holding the nameplate (13) on the handle main body (12).

  The handle body (12) is made of metal or resin, and the nameplate (13) and the handle cover (14) are made of resin.

  The fluid controllers targeted by the handle (11) with a nameplate for the fluid controller are various valves such as a ball valve, a diaphragm valve, and a ball valve. In these valves, the handle body (12) is rotated at a predetermined number of rotations. Or rotating the valve rod (10) by a predetermined number of rotations by rotating it by a predetermined angle clockwise or counterclockwise, or by rotating a predetermined angle clockwise or counterclockwise, The fluid controller is blocked or opened between the inlet passage and the outlet passage. Since the configuration of the fluid controller is known, only a part of the valve rod (10) is illustrated below, and the entire fluid controller and the description thereof are omitted.

 The valve stem (10) has a prism portion (10a) and a small-diameter male screw portion (10b) on the prism portion (10a) at the upper end.

  The handle body (12) includes a cylindrical peripheral wall (21) and a disk-shaped top wall (22). A circular recess (22a) is formed in the top wall (22). In the center of the top wall (22), a rectangular through hole (23) into which the prismatic part (10a) of the valve stem (10) is fitted is provided.

  Two handle cover support through-holes (24) are provided at the outer peripheral edge of the top wall (21) of the handle body (12) so as to face each other at 180 °.

  The name plate (13) has a circular plate shape, and a gear (31) is formed on the outer periphery thereof. At the center of the nameplate (13), a circular through hole (32) larger than the rectangular through hole (23) of the handle body (12) is provided.

  The nameplate (13) is made of transparent non-crystalline resin, and a display part (13a) for opening / closing display and manufacturer name display is provided on the lower surface thereof. The display section (13a) is formed by sticking a seal printed with required characters and marks on the lower surface of the nameplate (13).

  Since the name plate (13) is formed in a gear shape, a plurality of recesses (33) are provided at predetermined intervals on the outer periphery of the name plate (13). In this embodiment, the recesses (33) are formed at intervals of 15 °.

  The handle cover (14) has a disk-shaped top portion (41) and two downward projecting portions (42) provided integrally with the top portion (41) so as to face each other and extending downward. A circular through hole (43) larger than the through hole (32) of the nameplate (13) is provided at the center of the top part (41) of the handle cover. The display part (13a) of the nameplate (13) can be seen from the through hole (43) of the handle cover (14).

  Each downward projecting portion (42) of the handle cover (14) is provided with a convex portion (44) fitted into one of the plurality of concave portions (33) of the nameplate (13). The convex part (44) is provided at the base part of each downward projecting part (42) of the handle cover (14), and its shape is formed on one tooth of the gear (31) formed on the nameplate (13). It has a corresponding shape.

  The nameplate (13) is configured such that any one of the plurality of recesses (33) is fitted into the convex portion (44) of the downward projecting portion (42) of the handle cover (14) so that the handle cover (14) cannot rotate. ).

  The handle body (12) has a rectangular through-hole (23) in its top wall (22) fitted into the prismatic part (10a) of the valve stem (10) and a small-diameter male thread ( A nut (15) is screwed onto 10b) to be fixed to the valve stem (10).

  The handle cover support through hole (24) of the handle body (12) and the lower protrusion (42) of the handle cover (14) are forced to the handle cover support through hole (24). It is formed so that it can be fitted in. On the side surface of the lower end of the downward protrusion (42) of the handle cover (14), a retaining protrusion (45) for preventing the downward protrusion (42) from coming out of the handle cover support through hole (24). Is provided. The protrusion (45) has a substantially triangular shape that increases in width as it goes upward as viewed from the front. The protrusion (45) can be forced to pass through the handle cover supporting through hole (24), and engages with the edge of the handle cover supporting through hole (24) after passing. If there is, the shape is not limited.

  For example, when the valve stem (10) is in the fully closed position, the handle body (12) and the valve stem (10) are aligned and fixed to the handle body (12) and the valve stem (10). Here, if the nameplate (13) is randomly attached to the handle body (12), the direction of the nameplate (13) will vary, so the nameplate (13) of the nameplate (13) with respect to the handle body (12) for each fluid controller Positioning is required.

  According to the handle (11) with the nameplate for the fluid controller described above, since the recesses (33) of the nameplate (13) are provided at intervals of 15 °, the positioning variation of the nameplate (13) with respect to the handle cover (14) , 7.5 ° or less. The handle body (12) and the handle cover (14) are positioned by fitting the handle cover support through hole (24) and the lower protrusion (42) of the handle cover (14). In some cases, there is no positional shift, and eventually, the variation in positioning of the nameplate (13) with respect to the handle body (12) is suppressed to 7.5 ° or less.

  When the nameplate is attached to the handle body by bonding, the nameplate may rotate with respect to the handle body during use and may change from the initial state.According to the handle with the nameplate for fluid controller (11) above, The position of the nameplate (13) does not change during use.

  The nameplate (13) made of synthetic resin is not particularly limited. However, as in the above embodiment, the nameplate (13) is made of a transparent amorphous resin, and the lower surface of the nameplate (13) (the handle body ( By providing the display part (13a) on the surface abutting on 12), the display part (13a) is covered with the nameplate (13) and is not exposed to the outside. Therefore, it is possible to prevent the display from being damaged or disappearing, or chemicals from adhering to the display to chemically damage or disappear, so that the display can be clearly displayed over a long period of time.

  In the above, the small diameter male thread portion (10b) is lowered so that the nut (15) is covered with the top wall (22) of the handle body (12), and the nameplate (13) has a circular shape. The through hole (32) may be eliminated.

(10): Valve stem
(11): Handle with nameplate for fluid controller
(12): Handle body
(13): Nameplate
(13a): Display section
(14): Handle cover
(21): Perimeter wall
(22): Top wall
(24): Handle cover support through hole
(33): Recess
(41): Top
(42): Projecting downward
(44): Convex

Claims (4)

A handle with a nameplate for a fluid controller comprising a handle body for rotating a valve stem, a circular nameplate disposed on the top of the handle body, and a handle cover for holding the nameplate on the handle body,
A plurality of recesses are provided at predetermined intervals on the outer periphery of the nameplate, and a convex portion is provided on the handle cover to be fitted into any of the plurality of recesses, and any of the plurality of recesses is provided on the handle cover. A handle with a nameplate for a fluid controller, wherein the handle is non-rotatably held by being fitted to a convex portion of the handle.   The handle body has a peripheral wall and a top wall, and the top wall is provided with at least one through hole for supporting the handle cover. The handle cover is provided integrally with the top of the disk and the handle. 2. The handle with a nameplate for a fluid controller according to claim 1, further comprising at least one protrusion fitted into at least one handle cover supporting through hole of the main body. 3. A handle with a nameplate for a fluid controller according to claim 2 , wherein a protrusion for preventing the handle cover from coming off from the through hole for supporting the handle cover is provided on a side surface of the protruding portion of the handle cover.
  The nameplate for fluid controllers according to any one of claims 1 to 3, wherein the nameplate is made of a transparent synthetic resin, and a display portion is provided on a surface of the nameplate on the handle body side. With handle.

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