JPH087185Y2 - Decorative plate for piping terminal - Google Patents

Description

[Detailed Description of the Invention] [Field of Use and Outline of the Invention] The present invention relates to a peripheral edge of a protruding portion when a decorative plate of a pipe terminal, particularly a pipe such as a gas pipe, projects through a wall surface or the like. The present invention relates to a decorative plate for closing a gap, and makes it possible to reliably seal the gap and the like.

[Prior Art and its Problems] A gas cock is usually attached to the end of the gas pipe. At the time of this attachment, a large gap is provided between the pipe end protruding from the wall surface and the pipe insertion hole formed in the wall surface. Occurs. Therefore, a decorative plate is attached so as to close this gap. As such a decorative board, it has already been published in Japanese Utility Model Publication No. 50-37224.
No. 6,086,045. As shown in FIG. 4, this conventional type has a pair of semicircular annular seat plates (1a) (1b).
Consists of

The seat plates (1a) (1b) have the same structure, and the inner peripheral surface has a notch opening (11) (1) in which a hexagonal shape is divided into two.
1) and the outer circumference is semicircular. And
Engagement protrusions (12) and engaged hole portions (13) are formed on the joint end surfaces continuing to both ends of the cutout opening (11), and the seat plates (1a) and (1b) are cut into the cutout portions. When the openings (11) make contact with each other in the same plane so as to form one hexagonal opening,
As shown in the figure, they are integrally connected and in a retaining state.

Therefore, when this decorative plate is externally fitted to the base end of the gas cock (G) connected to the pipe terminal, the base end of the hexagonal body of the gas cock (G) is removed as shown in FIG. It is surrounded by the seat plate, and the gap of the wall surface penetrating portion is closed. Also, since the leaf springs (S) (S) are provided on the surfaces of the notch openings (11) (11), the leaf springs (S)
The elastic force of (S) can prevent rattling between the seat plate and the gas cock.

However, in this conventional one, a gap is created between the hexagonal body that serves as the pipe connection portion of the gas cock (G) and the inner peripheral surface of the seat plate, and the airtightness between the wall surface and the pipe is insufficient. In a place where water is frequently used such as in a kitchen, water penetrates into the wall surface through the gap.

The present invention solves such inconveniences, namely, "a pair of seat plates having an inner peripheral portion which is a cutout opening (11) obtained by dividing a polygonal body section of a gas cock (G) into two and which is annular in a combined state. (1a) (1b), the notch opening (1
1) In the decorative plate for a pipe terminal having an engaging part and an engaged part on the joint end face, the wall surface is mounted by attaching the decorative plate after the gas cock (G) is connected to the gas pipe. It is an object of the present invention to surely prevent waterproofness in the pipe insertion portion such as.

[Technical Means] The technical means of the present invention taken to solve the above technical problem is that "the wall surface of the notch opening (11) is located on the gas cock (G) side and is a polygon of the gas cock (G). A close-fitting part (14) that matches the shape of half the cross-sectional outer shape of the body, and a semi-circular free-fitting part (1) that is located on the mounting surface side and has a larger diameter than this.
5), and a packing (3) having a large elastic contraction rate is interposed between the loose fitting portion (15) and the outer peripheral surface of the polygonal body portion (21) of the gas cock (G). (3) A pair of packing halves (3 having a shape in which an annular gap between the polygonal body portion (21) and the loose fitting portion (15) is divided into left and right.
a) (3b), the width of the inner and outer circumferences of these packing halves is set to be larger than the width of the annular gap, and the axial height of these packing halves is set to the loose fitting portion (15).
It was set higher than the height of. "

[Operation] The technical means of the present invention operates as follows.

When the gas cock (G) is attached to the pipe terminal, an unsightly gap is formed between the outer periphery of the polygonal body (21) of the gas cock (G) and the pipe insertion portion, but the seat plate (1a) (1a)
When b) is mounted with the packing (3) interposed, these gaps are closed.

This decorative plate is composed of seat plates (1a) and (1b), and the packing half body (3a) or packing half body (3b) is arranged in the loose fitting portion (15) of each half body. When the seat plates (1a) and (1b) are attached from both of the connected gas cocks (G), the polygonal trunk of the gas cock (G) is surrounded by these. Further, since the thickness of the packing halves (3a), (3b) is set to be larger than the gap between the loose fitting portion (15) and the outer circumference of the body of the gas cock (G), the packing in the mounted state. (3) is attached in a compressed state, and the elastic restoring force of the elastic plate tightly fits the decorative plate to the polygonal body of the gas cock (G) in a frictionally engaged state.

That is, the decorative plate is easily mounted so as not to move in the direction of the pipe axis, and the gap between the pipe and the insertion portion thereof is ensured by the packing (3) composed of the packing halves (3a) (3b). Will be sealed.

Further, in the state where the seat plates (1a), (1b) are mounted, the packing (3) is also in close contact with the wall surface serving as the pipe insertion portion over the entire circumference.

[Effects] Since the present invention has the above-mentioned configuration, it has a unique effect that the following respective effects are simultaneously exhibited.

After connecting the gas cock (G) to the pipe, the pipe can be mounted in contact with the wall surface or the like that is the pipe insertion portion and in a state where it does not move carelessly.

The gap between the pipe insertion portion and the pipe can be reliably sealed, and water can be reliably prevented from entering the inside of the wall surface or the like that will be the pipe insertion portion.

Since the tight fitting portion (14) is tightly fitted to the polygonal body portion of the gas cock (G), there is almost no gap between the decorative plate and the gas cock, and the appearance is improved.

Further, in the mounted state of the seat plate (1a) (1b), not only the airtightness or watertightness of the inner and outer peripheries thereof, but also the airtightness or watertightness between the flat part serving as the pipe insertion part is secured,
Water can be more reliably prevented from entering the wall surface.

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

In this embodiment, both of the seat plates (1a) and (1b) are configured such that the cross-sectional shape thereof is a quarter-divided cross-sectional shape, and one end thereof is formed into a flat surface so that a flat surface such as a wall surface for mounting the gas cock (G). The flat portion (16) is in contact with the portion, and the other has an arc shape. A dense fitting portion (14) having a shape obtained by dividing the cross-sectional outer circumference of the polygonal body portion (21) of the gas cock (G) into two is formed at the top of the arc-shaped cross-section portion. The shape is divided at one middle.

The range up to the flat surface portion (16) following the close fitting portion (14) is a semicircular free fitting portion (1) having a diameter larger than that of the close fitting portion (14).
5). Engagement portions (4) and engaged portions (5) are formed on the joint planes (17) (18) at both ends that are the facing surfaces of the seat plates (1a) (1b). In the example, the engagement plane (17) is formed on the joint plane (17) so as to project to the other side, and the engaged section (5) is formed on the concave section (19) formed on the joint plane (18). ing.

The engaging portion (4) is a tongue piece (41) protruding from the joining plane (17) having a projection (42) formed inside the tip thereof, and the other engaged portion (5) is a recessed portion. It is a protrusion formed on the side wall on the inner peripheral side in the circumferential direction of (19). Therefore, the seat plate (1a)
The joint planes (17) and (17) of (1b) are
8) When they are joined so as to be in contact with (18), they engage with the engaging portion (4) on both sides of the notch opening (11) consisting of the tight fitting portion (14) and the loose fitting portion (15). The protrusion (5) faces each other, and the protrusions engage with each other in a retaining state.

Next, the packing half body (3a) that constitutes the packing (3)
(3b) has a structure as shown in FIGS. 1 and 2, and the overall shape is C-shaped, and protruding tongue pieces (31) (3
1) is formed, and in the joined state of the seat plates (1a) (1b), these protruding tongues (31) (31) are the protruding tongues (31) of the mating side.
(31) will be contacted separately. The packing (3) of this embodiment has a wall thickness larger than the thickness corresponding to the radial depth of the loose fitting portion (15) from the tight fitting portion (14). A plurality of ribs (32) (32) are formed on the peripheral surface, and the outer peripheral shape is configured to match the curved surface of the loose fitting portion (15).

In the above embodiment, as shown in FIG. 3, the pipe (6)
When the gas cock (G) is connected to the connection screw part (61) formed on the end of the and the seat plates (1a) and (1b) are attached to both sides of the base end of the polygonal body part (21), By the action of, these will be mounted and fixed.

In particular, in this embodiment, since the close-fitting parts (14) (14) match the cross-sectional outer shape of the polygonal body (21),
When the seat plates (1a) and (1b) are joined and externally fitted, movement of the close fitting portions (14) and (14) in a direction corresponding to the joining end face is blocked, and the joining plane (17) (1
By the contact of (8), the engaging part (4) and the engaged part (5) are engaged in the retaining state. At this time, the direction of releasing the engagement between the tongue piece (41) and the engaged portion (5) is the joining planes (17) (18).
In the direction parallel to the plane of, but the seat plate (1
The movement of a) (1b) in this disengagement direction is due to the tight fitting part (14).
The seat plates (1a), (1b) are kept in the retaining state because the seat plates (1a, 1b) are blocked by the fitting between the (14) and the polygonal body (21).

In addition, the protruding tongues (31) are attached to the packing halves (3a) (3b).
Since the projecting tongues (31) and (31) are in contact with each other when the seat plates (1a) and (1b) are attached, the two tongues of the polygonal body (21) are provided. Even when ensuring airtightness of the outer peripheral gap, reliable airtightness can be ensured over the entire circumference.

Further, the loose fitting portion (15) is formed so as to reach the flat surface portion (16) from the back surface of the close fitting portion (14).
The overall height of the packing halves (3a) (3b) is also set slightly higher than the area where the loose fitting portion (15) is formed,
When the seat plates (1a) and (1b) are attached, the packing (3) also comes into close contact with the wall surface (W) serving as the pipe insertion portion over the entire circumference.

[Brief description of drawings]

FIG. 1 is an exploded view from the back side of the embodiment of the present invention, FIG. 2 is a side view of a packing half body, and FIG.
FIGS. 4 and 5 are explanatory views of a conventional example, in which (G) ... gas cock (11) ... notch opening (1a) (1b) ... seat plate (G) ... gas cock (14) ) …… Dense fitting part (15) …… Free fitting part (21) …… Polygonal body part (3) …… Packing (3a) (3b) …… Packing half

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hiroo Kinoshita 4-1-2, Hirano-cho, Chuo-ku, Osaka-shi, Osaka Prefecture Osaka Gas Co., Ltd. (72) Atsushi Omura 4-chome, Hirano-cho, Chuo-ku, Osaka No. 1 and No. 2 in Osaka Gas Co., Ltd. (56) Bibliographic Reference Sho 52-40437 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A pair of seat plates (1a) having an inner peripheral portion as a cutout opening (11) which divides a polygonal body section of a gas inlet portion of a gas cock (G) into two and which is annular in a combined state.
(1b), in the decorative plate for a pipe terminal, which has an engaging portion and an engaged portion on the joint end face that continues to both ends of the cutout opening (11), the wall surface of the cutout opening (11) is The close-fitting portion (14) located on the (G) side and conforming to the half shape of the cross-sectional outer shape of the polygonal body portion (21) of the gas inlet portion, and the close fitting portion (14) located on the mounting surface side and having a larger diameter than this. Semicircular loose fitting (1
5), and a packing (3) having a large elastic contraction rate is interposed between the loose fitting portion (15) and the outer peripheral surface of the polygonal body portion (21), and the packing (3) is Polygonal body (2
It is composed of a pair of packing halves (3a) and (3b) in which the annular gap between 1) and the loose fitting part (15) is divided into two parts on the left and right,
For piping terminals in which the width of the inner and outer peripheries of these packing halves is set larger than the width of the annular gap, and the height of these packing halves in the axial direction is set higher than the height of the loose fitting part (15). Decorative board.