JP2007263661A - Gas meter support device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a safe and inexpensive gas meter support device with workability maintained as to various fixed members. <P>SOLUTION: This gas meter supporting device 1 is equipped with a gas lead-in tube 10 with an inlet-side gas tube connected to its upstream-side end part, while a lead-in port of a gas meter connected to its downstream-side end part, a gas lead-out tube 20 with a lead-in port of the gas meter connected to its upstream-side end part, while an outlet-side gas tube connected to its downstream-side end part, and a support plate 30 supporting the downstream-side end part of the lead-in tube and the upstream-side end part of the lead-out tube so as to allow their turning motion, in such a state that they are apart from each other by a prescribed distance. This supporting device 1 is equipped with fixing means 40 for fixing the upstream-side end part 11 of the lead-in tube 10 and the downstream-side end part 22 of the lead-out tube 20, and at least one of the fixing means 40 is provided so as to be position-adjustable in the forward and backward directions with respect to the fixed member. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a support device for supporting a gas meter that measures the amount of gas used.

Generally, in a detached house, a gas meter is attached to a gas pipe made of steel pipe standing upright from outside in the ground, and in an apartment house, a gas meter is attached to a flexible gas pipe arranged on an indoor pipe shaft. In particular, in recent years, the following background related to the gas meter support device is remarkable.
1) The gas meter has a function to automatically shut off the gas supply when a disaster occurs. For example, microcomputer meters that automatically shut off gas supply when an earthquake occurs are frequently used.
2) As for gas pipes, almost all flexible gas pipes are used in apartment houses and the like, and even in detached pipes, there are cases where flexible gas pipes are used for downstream pipes.
Therefore, the gas pipe made of steel pipe has conventionally been required to be supported only by the gas meter support device due to heavy use of the flexible gas pipe. In particular, in the microcomputer meter, the cutoff function may operate even with vibrations other than earthquakes, and it is necessary to support the gas meter so as not to cause malfunctions due to such vibrations.

As this type of support device, the following ones with mainly improved workability are known.
That is, in Patent Document 1, an inflow pipe and an outflow pipe having an inverted U shape are arranged on both the left and right sides of a support plate that is erected on the ground and is horizontally fixed to the upper end portion. There is disclosed a support device in which an outflow side end portion and an outflow side end portion of an outflow pipe are rotatably provided on a support plate.
Further, in Patent Document 2, the apparatus main body is composed of a fixed plate portion and a movable plate, the fixed plate portion is fixed to the wall portion, and the movable plate is moved in the front-rear direction on the horizontal plate portion of the fixed plate. A supporting device that can be mounted and provided with a connecting pipe for inflow and outflow of gas is disclosed.
Further, in Patent Document 3, an inflow pipe and an outflow pipe are respectively arranged on the left and right ends of the support plate and fixed by bolts, and a first guide groove is formed on the front surface of the support plate. A support device is disclosed in which an outflow side end of an inflow pipe is movably inserted into the guide groove and a universal joint is rotatably and fixedly positioned at the inflow side end of the inflow pipe. Has been.
Any of the supporting devices disclosed in Patent Documents 1 to 3 can be installed in a limited space, and the gas meter can be installed regardless of the interval between the gas inflow and outflow riser pipes and the positional relationship from the wall surface. Has advantages.

Further, in Patent Document 4, a fixing member made of a metal plate is fixed to a side wall, a holding member made of a metal plate is placed and fixed on a horizontal placement plate portion of the fixing member, and a primary side connecting pipe is also attached. Consists of a main pipe and a sub pipe, and the secondary side connection pipe is composed of a main pipe and a sub pipe, and at the left and right ends on the front side of the holding member, the downstream end of the main pipe and the upstream end of the main pipe Are supported on the side wall by a fixing plate.
According to Patent Document 4, the support strength can be improved, and even if the holding member is made of a thin metal plate, it is possible to exhibit the effect that the deformation can be prevented.

JP-A-11-83589 JP-A-11-160125 JP 2000-46621 A JP 2005-114524 A

However, according to the techniques disclosed in Patent Documents 1 to 3, the rotatable structure of the gas inflow / outflow pipe portion is provided with an arc-shaped guide groove in the support device and a guide extended from the gas flow path member. Therefore, it is difficult to cast a gas flow path member made of malleable cast iron having a complicated shape, and it is necessary to cut the fixing surface with the support plate, which causes a problem that the manufacturing cost increases. . Moreover, since the gas flow path member and the support plate can be adjusted more than necessary, there is a problem that adjustment is difficult. In addition, there was a problem that the gas meter automatic shut-off function would operate in vibrations other than earthquakes if it was possible to adjust more than necessary in support of the gas meter that had the function of automatically shutting off the gas supply in the event of an earthquake. .
In recent years, the gas pipe has been changed from a steel pipe to a flexible pipe, and it is necessary to securely fix the flexible pipe after construction. In particular, it is desirable to fix the pipe shaft around the pipe shaft of an apartment or the like to a predetermined width because there is no room for installation. On the other hand, the conventional support device is only supported at one end side so as to be rotatable, and the gas inlet side and the gas outlet side are not fixed to the support device body. If the gas pipe is made of steel pipe, it is fixed by the rigidity of the gas pipe, but if it is a flexible flexible pipe, it is not fixed sufficiently, and the gas inlet or gas flow of the support device is misplaced. There was a problem that moving the outlet could lead to gas leakage.

In this regard, according to the technique disclosed in Patent Document 4, the gas inlet side and the gas outlet side can be fixed to the side wall by a dedicated fixing plate. However, the wall surface to which the gas meter support device is attached must be a flat surface. For example, there is a problem that it cannot be attached to an uneven wall surface. In addition, there may be a situation where there is no wall surface for attaching the fixing plate in the first place. For example, there may be a situation where the fixing plate cannot be attached to the channel steel.
The present invention has been made to solve the above problems, and an object of the present invention is to provide a safe and inexpensive gas meter support device while maintaining workability even with respect to various fixed members. To do.

In order to achieve the above object, the invention described in claim 1 is characterized in that an inlet gas pipe is connected to the upstream end and a gas inlet pipe connected to the inlet of the gas meter is connected to the downstream end. A gas outlet pipe connected to the outlet of the gas meter at the side end and an outlet gas pipe connected to the downstream end; a downstream end of the gas inlet pipe; and an upstream end of the gas outlet pipe In a gas meter support device provided with a support plate that rotatably supports each other at a predetermined distance from each other,
A fixing means for fixing the upstream end of the gas inlet pipe and the downstream end of the gas outlet pipe is provided, and at least one of the fixing means can be adjusted in position in the front-rear direction with respect to the fixed member. It is the gas meter support apparatus provided.

  Therefore, according to the first aspect of the present invention, it is provided with fixing means for fixing the upstream end of the gas introduction pipe and the downstream end of the gas outlet pipe, and at least one of the fixing means is Since the position of the fixed member can be adjusted in the front-rear direction, the gas meter support device can easily and reliably support the gas meter even when the fixed member is uneven. .

  The invention according to claim 2 is a gas introduction pipe in which an inlet side gas pipe is connected to an upstream end, a gas meter inlet is connected to a downstream end, and the gas meter is connected to an upstream end. A gas outlet pipe to which an outlet port is connected and an outlet gas pipe is connected to the downstream end, and a downstream end of the gas inlet pipe and an upstream end of the gas outlet pipe are separated from each other by a predetermined distance. In the gas meter support device provided with a support plate that is rotatably supported in a closed state, the support plate has a U-shaped groove portion and a downstream end portion of the gas introduction pipe and an upstream end portion of the gas outlet pipe. Are rotatably supported in a state of being separated from each other by a predetermined distance, and the opening of the U-shaped groove of the support plate is closed, and the gas meter connection port of the gas introduction pipe and the gas meter connection of the gas outlet pipe Surrounding each mouth And a mounting bolt for connecting the band, the support plate, and the band. When the mounting bolt is loosened, a gas meter connection port of the gas introduction pipe and a gas meter connection port of the gas outlet pipe The gas introduction pipe and the gas outlet pipe are rotatable with respect to each other, and when the mounting bolt is tightened, the gas inlet pipe and the gas outlet pipe are fixed unrotatably. This is a gas meter support device.

  Therefore, according to the second aspect of the present invention, the gas introduction pipe part and the gas outlet pipe part are supported by the U-shaped groove part, the band, and the mounting bolt, respectively. Since it can be fixed in a non-rotatable manner only by tightening a mounting bolt, it can be a safe and inexpensive gas meter support device.

The invention according to claim 3 includes, in addition to the configuration according to claim 2, a fixing means for fixing the upstream end of the gas introduction pipe and the downstream end of the gas outlet pipe. At least one of the fixing means is a gas meter support device provided so that the position of the fixing member can be adjusted in the front-rear direction.
Therefore, according to the third aspect of the present invention, the gas inlet tube portion and the gas outlet tube portion are fixed so as not to be rotatable at respective arbitrary positions, and at least one of the fixing means is a fixed member. On the other hand, because it is provided so that the position can be adjusted in the front-rear direction, the adjustment of the gas introduction pipe and the gas outlet pipe is only in the rotation direction, but the position adjustment function in the front-rear direction is added to the fixing, Even when the fixed member has irregularities, the gas meter support device that supports the gas meter easily and reliably can be obtained.

Further, the invention according to claim 4 is provided with a fixing means for fixing the upstream end of the gas introduction pipe and the downstream end of the gas lead-out pipe in addition to the configuration of claim 2. The fixing means includes a guide plate and fixing portions provided at both ends of the guide plate, and fixes the upstream end of the gas introduction pipe and the downstream end of the gas outlet pipe to a predetermined width. This is a gas meter support device.
Therefore, according to the invention described in claim 4, even if there is no wall surface for fixing the upstream end of the gas introduction pipe and the downstream end of the gas outlet pipe using the fixing means, Since the pipe is fixed to a predetermined width by the guide plate, the gas inlet pipe and the gas outlet pipe can be fixed in advance so that they cannot rotate, and a gas meter support device that is easy to mount and secure even in a small space Can do.

Further, in the invention according to any one of claims 1 to 3, at least one of the fixing means connects the fixed member mounting bracket, the tube portion fixing bracket, the fixed member mounting bracket and the tube portion fixing bracket. It is possible to provide a fixing means that includes a connecting tool and is provided with an elongated hole portion in at least one of the fixed member mounting bracket and the pipe portion fixing bracket so that the position can be adjusted.
Moreover, it is preferable to provide the attachment plate which has a position adjustment part which attaches one end to a to-be-fixed member, and makes the other end position-adjustable with the said support plate in the front-back direction.

  With these configurations, the gas meter is fixed to the fixed member by the fixing means and the mounting plate so that the position thereof can be adjusted, so that the gas meter can be firmly fixed regardless of the shape of the fixed member. is there. In particular, since the two fixing means and the mounting plate are fixed in a total of three places, there is no fear of malfunctioning the automatic shut-off function of the gas meter in vibrations other than earthquakes.

  Furthermore, it is preferable to provide a rotatable joint portion that is rotatable in a direction perpendicular to the gas flow direction at at least one of the gas inlet and the gas outlet. It is preferable that the tube has a substantially U-shape, and an inspection port is provided in the front direction of the gas meter between the gas outlet and the gas meter connection port, and the gas introduction tube has a substantially U-shape. Preferably, a gas stopper is provided between the gas inlet and the gas meter connection port, and the operation part of the gas stopper is in the front direction of the gas meter. Moreover, it is preferable to provide two downstream ends of the gas outlet pipe.

  With these configurations, it is possible to provide a gas meter support device that is easy to construct even during construction and easy to use even during use. In particular, when installing a gas meter in a limited space such as a pipe shaft, a gas appliance such as a water heater may be provided immediately above the gas meter. Can be used effectively. In addition, since the downstream end, which is the gas outlet, has two ports, it is possible to connect to a gas device such as a water heater provided directly above at the shortest distance.

According to the present invention, it is provided with the fixing means for fixing the upstream end portion of the gas introduction pipe and the downstream end portion of the gas outlet pipe, and at least one of the fixing means is a front and rear with respect to the fixed member. Since the position can be adjusted in the direction, it is possible to provide a gas meter support device that supports the gas meter easily and reliably even when the fixed member has irregularities.
Further, according to the present invention, the gas introduction pipe part and the gas lead-out pipe part are supported only by the U-shaped groove part, the band, and the mounting bolt, respectively. Only the adjustment is required, the structure can be simplified and inexpensive, and the workability can be maintained and a safe gas meter support device can be obtained.

  The best mode for carrying out the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a gas meter support device according to a first embodiment of the present invention to which a gas meter 100 is attached. 2 is a plan view of the gas meter support device shown in FIG. 1, and FIG. 3 is a front view of the gas meter support device shown in FIG.

  In the gas meter support device 1 shown in FIG. 1, an inlet side gas pipe (not shown) is connected to the upstream end portion 11 from below, and the downstream end portion 12 is formed at the union connection portion 121 to introduce the gas meter 100. A substantially U-shaped gas inlet pipe 10 to which the port is connected, the upstream end 21 is formed in the union connecting portion 211, the outlet of the gas meter 100 is connected, and the downstream end 22 is connected to a gas pipe connecting joint. A gas flow path is formed by a substantially U-shaped gas outlet pipe 20 to which the outlet side gas pipe 102 is connected downward via 103. Further, the downstream end 12 of the gas introduction pipe 10 and the upstream end 21 of the gas lead-out pipe 20 are separated from each other by a predetermined distance (that is, an interval between the gas meter introduction port and the lead-out port: 130 mm, for example). In this state, the support plate 30 is rotatably supported.

  As shown in FIG. 2, the upstream end 11 of the gas introduction pipe 10 and the downstream end 22 of the gas outlet pipe 20 are upstream of the downstream end 12 of the gas inlet pipe 10 and the gas outlet pipe 20. Compared with the side end 21, it spreads in a square shape in a direction away from each other, and on the wall surface of the building on each of the upstream end 11 of the gas introduction pipe 10 and the downstream end 22 of the gas outlet pipe 20. On the other hand, a fixing means 40 is provided so that the position can be adjusted.

  As shown in FIG. 3, the gas introduction pipe 10 is connected to a rotatable joint 70 further upstream of the upstream end 11. This type of rotatable joint 70 is, for example, provided rotatably and airtight in a state where the joint body 71 and the nut member 72 are prevented from coming off, and the tapered thread portion of the joint body is provided. The upstream end portion 11 is screwed and connected. That is, since it is possible to connect to the inlet side gas pipe standing from the ground without rotating the gas introduction pipe 10, not only the construction is easy, but also the distance from the wall surface can be reduced. Therefore, the installation of the gas meter is saved.

  When the inlet side gas pipe uses a flexible gas pipe, a gas pipe connecting joint 103 (see FIG. 1) is used instead of the rotatable joint 70. The gas pipe connecting joint 103 is, for example, a joint that can be connected by simply inserting a flexible gas pipe and pushing a nut provided at an insertion port of the flexible gas pipe, and can be easily used without twisting the gas pipe. Can be constructed.

Further, a gas stopper 60 is provided above the downstream end 12 so that the operation part 61 is substantially in front. That is, since the front face of the gas meter 100 and the front face of the gas stopper 60 are coincident with each other, it is easy to check the open / close state and to operate.
In addition, a corner portion 13 is provided in the vicinity of the upstream end portion 11 of the gas introduction pipe 10 on the side facing the gas stopper 60. The rectangular portion 13 plays a role of positioning when processing the inner surface of the gas stopper 60, and is particularly effective when processing a tapered surface (not shown) inside the gas stopper that requires accuracy.

On the other hand, the gas outlet pipe 20 is provided above the upstream end 21 so that the inspection port 23 is substantially in front. A pressure detection plug 24 is screwed into the inspection port 23 so that a gas leak inspection instrument can be connected after construction or after a periodic replacement of the gas meter. In addition, at normal times, the cylindrical resin cap 25 is used to prevent dust from entering or loosening accidentally.
Therefore, since both the gas stopper 60 and the inspection port 23 are in the front direction, the upper space of the gas meter support device 1 can be used effectively.

In addition, the downstream end 22 of the gas outlet pipe 20 is provided with, for example, two ports in the vertical direction (see FIG. 6). A gas device such as a hot water heater may be provided directly above the gas meter support device, and the downstream end 22 directed upward can be connected to the gas device at the shortest distance.
Further, a tool engagement surface (not shown) is provided on the outer periphery of the upstream end 11 of the gas introduction pipe 10, the downstream end 22 of the gas outlet pipe 20, and the inspection port 23.
Further, since the gas introduction pipe 10 and the gas outlet pipe 20 have complicated shapes, the gas introduction pipe 10 and the gas outlet pipe 20 are mainly made of malleable cast iron, formed by casting, and anticorrosion coating is applied to the outer surface.

  The support plate 30 is formed by pressing a steel plate having a thickness of about 2 mm (see FIG. 4). A double-striped long hole 31 (position adjustment portion) is formed in the center of the support plate 30 and is connected to the mounting plate 50 so that the position can be adjusted. In addition, a C-shaped mark 32 is provided on the outside of the elongated hole 31 so as to be convex or concave. By providing the mark 32 in a convex or concave manner, the rigidity of the support plate 30 is increased, and at the same time, the angle of the mark 32 is adjusted to match the angle of the gas introduction pipe 10 and the gas outlet pipe 20 described above. The distance between the upstream end 11 of the gas introduction pipe 10 and the downstream end 22 of the gas outlet pipe 20 is set to a construction reference width (for example, 175 mm) of the gas pipe (not shown).

Further, the front end face of the support plate 30 is bent into an L shape, and U-shaped grooves 33 into which the downstream end 12 of the gas introduction pipe 10 and the upstream end 21 of the gas outlet pipe 20 are respectively inserted are provided. Is formed. Further, a locking hole 34 is formed on both outer sides of the U-shaped groove 33, and a screw portion 35 is formed on both inner sides.
The band 37 is provided so as to close the opening 36 of the U-shaped groove 33, one end is locked in the locking hole 34, and the other end is tightened with a mounting bolt 38 using the screw portion 35. It is configured to be able to. The portions of the downstream end portion 12 of the gas inlet pipe 10 and the upstream end portion 21 of the gas outlet pipe 20 that are fitted into the U-shaped groove 33 should be machined so that they can be easily aligned. desirable.

With such a configuration, when the mounting bolt is loosened, the downstream end 12 of the gas introduction pipe 10 and the upstream end 21 of the gas outlet pipe 20 rotate around the U-shaped groove 33 as a fulcrum. It becomes movable and the space | interval of the upstream edge part 11 of the gas introduction pipe | tube 10 and the downstream edge part 22 of the gas derivation | leading-out pipe | tube 20 can be adjusted freely. Therefore, even when the interval between the gas pipes erected from the ground is slightly different from the construction standard dimension, the construction can be reliably performed.
The length obtained by adding the arc length of the U-shaped groove 33 and the arc length of the band 37 is the circumference of the downstream end 12 of the gas introduction pipe 10 or the upstream end 21 of the gas outlet pipe 20. Since it is set slightly shorter than the length, the gas introduction pipe 10 and the gas outlet pipe 20 can be securely fixed by tightening the mounting bolt 38 after the connection with the gas pipe and the gas meter, respectively. It has an inexpensive structure.

  The mounting plate 50 is made of a steel plate having a substantially L shape and a thickness of about 2 mm. On one surface of the L-shape, four screw holes 51 that allow the support plate 40 to be adjusted in the front-rear direction are formed by using the long holes 31 provided in the support plate 40 (position adjusting portion, FIG. 2). reference). In this case, two screw holes are used for longitudinal adjustment and fixation. For example, in FIG. 2, when the wall surface is relatively far from the gas meter support device, the lower screw hole is used as shown in FIG. 2, and when it is relatively close, the upper screw hole is used. . As a result, it becomes possible to increase the margin for adjusting the length of the limited slot approximately twice.

The fixing means 40 includes an L-shaped fixed member mounting bracket 41, a U-shaped tube fixing bracket 42, and a mounting bolt 43. The fixed member mounting bracket 41 is provided with a long hole 44 so that the position thereof can be adjusted. One end of the tube portion fixing bracket 42 is externally locked to the fixed member mounting bracket 41 and the other end is a threaded portion. 45 is formed.
Therefore, it is possible to fix the gas meter support device 1 after adjusting the distance from the wall surface that is the fixed member by using the elongated hole 44 of the fixed member mounting bracket 41. However, the adjusting means does not need to be a long hole, and may be, for example, a screw hole provided stepwise, and so on.

  FIG. 5 is a perspective view of the fixing means according to the second embodiment of the present invention. The fixing means 40 fixes the fixed member mounting bracket 41 having the elongated hole 44 and the upstream end 11 of the gas introduction pipe 10 and / or the downstream end 22 of the gas outlet pipe 20 with the fixing bolt A451. Fixing bolt B452 for adjusting and fixing the distance from the fixed member by using the pipe fixing bracket 42, the elongated hole 44 of the fixed member mounting bracket 41 and the fastening portion 422 of the pipe fixing bracket 42. It is made up of.

  Therefore, first, after fixing the upstream end 11 of the gas introduction pipe 10 and / or the downstream end 22 of the gas outlet pipe 20 with the fixing bolt A451 of the pipe fixing bracket 42, the length of the fixed member mounting bracket 41 is increased. The gas meter support device 1 can be fixed by tightening the fixing bolt B452 after adjusting the distance from the wall surface, which is a fixed member, using the hole 44. Although the number of members increases as compared with the first embodiment of the present invention, the upstream end 11 of the gas introduction pipe 10 and / or the downstream end 22 of the gas outlet pipe 20 is connected to the fixing means 40. Since the fixing bolt A451 having the function of fixing and the fixing bolt B452 having the function of adjusting and fixing the position of the wall surface are separated, the adjustment work is easily performed.

  FIG. 6 is a perspective view of a gas meter support device according to a third embodiment of the present invention. FIG. 7 is a perspective view of a fixing means according to the third embodiment of the present invention. In FIG. 6, the configuration of the gas inlet tube 10, the gas outlet tube 20, and the support plate 30 is the same as that of the first embodiment shown in FIGS. 1 to 3.

In FIG. 6, the fixing means 40 includes a guide plate 46 and fixing portions 47 provided at both ends of the guide plate.
For example, in an indoor pipe, a gas meter support device often uses flexible pipes that are flexible for an inlet side gas pipe and an outlet side gas pipe. At the same time, the space around the pipe shaft is required to be small and can be accommodated within the specified dimensions. Therefore, rather than making the gas introduction pipe 10 and the gas outlet pipe 20 adjustable, the guide plate 46 is fixed to a predetermined width by the fixing portions 47 provided at both ends of the guide plate, and the flexibility of the flexible pipe is utilized. It is easier to construct and meets the requirements. Further, since the fixed member mounting portion 48 is provided on the guide plate 46, it can be firmly fixed to the wall surface which is the fixed member.

Further, the mounting plate 50 and the fixing means 40 can be configured integrally. That is, the guide plate 46 portion is integrally formed by pressing or the like from one end (wall side) of the attachment plate, and the fixing portion 47 is attached thereto with a screw or the like. Alternatively, the guide plate 46 can be integrally formed by fixing with a screw or the like. According to this type of fixing means, the upstream end 11 of the introduction pipe 10 and / or the downstream end 22 of the gas outlet pipe 20 is not directly fixed to the wall surface, so that the fixing effect is reduced. Since the gas outlet pipe 20 is positioned in advance at the factory or the like by the guide plate 46 and the fixing portion 47 and only the mounting plate 50 needs to be fixed at the site, the construction is simple. In this example, it goes without saying that the fixed member mounting portion 48 is provided on the guide plate 46 and this portion may be fixed to the wall surface.

  In addition, this invention is not limited to said embodiment, A design change is possible suitably. For example, in the above-described embodiment, the gas inlet pipe 10 and the gas outlet pipe 20 do not necessarily need to be positioned in an eight-letter shape, and may be linear or in a parallel positional relationship. Further, for example, the elongated hole 31 of the support plate 30 is positioned on the upper surface of the mounting plate 50 so that the position can be adjusted. However, the vertical relationship can be reversed, or the elongated hole can be provided on the mounting plate side. Note that providing the attachment plate 50 increases the number of fixing points, which is safer and desirable. However, the provision of the attachment plate 50 is not essential in the present invention. Furthermore, for example, regarding the position adjustment of the fixing means 40, it is possible to form a dovetail shape or to screw a male-female screw. As another example of the fixing means used in the third embodiment, the fixing portions 47 provided at both ends of the guide plate are separately provided on the left and right sides, and an adjustment slot is provided in the guide plate 46, and the fixing portion 47 is provided in the left-right direction It is also possible to adjust the predetermined width to be variable.

1 is a perspective view of a gas meter support device according to a first embodiment of the present invention. 1 is a plan view of a gas meter support device according to a first embodiment of the present invention. 1 is a front view of a gas meter support device according to a first embodiment of the present invention. It is a top view of the support plate which concerns on the 1st embodiment of this invention. It is a perspective view of the fixing means which concerns on the 2nd form of implementation of this invention. It is a perspective view of the gas meter support device concerning a 3rd embodiment of the present invention. It is a perspective view of the fixing means which concerns on the 3rd embodiment of this invention.

Explanation of symbols

1: gas meter support device,
10: gas introduction pipe, 11: upstream end, 12: downstream end, 13: angular portion, 121: union connection,
20: Gas outlet pipe, 21: Upstream end, 22: Downstream end, 23: Inspection port, 24: Pressure detection plug, 25: Resin cap, 211: Union connection
30: Support plate, 31: Slot, 32: Mark, 33: U-shaped groove, 34: Locking hole, 35: Screw part, 36: Opening part, 37: Band, 38: Mounting bolt,
40: fixing means, 41: fixing member mounting bracket, 42: pipe fixing bracket, 43: mounting bolt, 44: long hole, 45: screw portion, 46: guide plate, 47: fixing portion, 48: fixing member Mounting portion, 422: Fastening portion, 451: Fixing bolt A, 452: Fixing bolt B
50: Mounting plate, 51: Screw hole,
60: Gas stopper, 61: Operation part,
70: rotatable joint, 71: joint body, 72: nut member 100: gas meter, 102: outlet side gas pipe, 103: joint for connecting gas pipe

Claims (10)

An inlet gas pipe is connected to the upstream end, a gas inlet pipe to which the inlet of the gas meter is connected to the downstream end, an outlet of the gas meter is connected to the upstream end, and the downstream end is connected to the downstream end. A support plate that rotatably supports a gas outlet pipe to which an outlet side gas pipe is connected, a downstream end of the gas inlet pipe, and an upstream end of the gas outlet pipe at a predetermined distance from each other. In a gas meter support device comprising:
A fixing means for fixing the upstream end of the gas inlet pipe and the downstream end of the gas outlet pipe is provided, and at least one of the fixing means can be adjusted in position in the front-rear direction with respect to the fixed member. A gas meter support device provided. An inlet gas pipe is connected to the upstream end, a gas inlet pipe to which the inlet of the gas meter is connected to the downstream end, an outlet of the gas meter is connected to the upstream end, and the downstream end is connected to the downstream end. A support plate that rotatably supports a gas outlet pipe to which an outlet side gas pipe is connected, a downstream end of the gas inlet pipe, and an upstream end of the gas outlet pipe at a predetermined distance from each other. In a gas meter support device comprising:
The support plate has a U-shaped groove and rotatably supports the downstream end of the gas introduction pipe and the upstream end of the gas outlet pipe in a state of being separated from each other by a predetermined distance,
A band provided so as to close the opening of the U-shaped groove of the support plate and surround the gas meter connection port of the gas introduction pipe and the gas meter connection port of the gas outlet pipe;
The support plate and a mounting bolt for connecting the band,
In the state where the mounting bolt is loosened, the gas introduction pipe and the gas lead-out pipe are respectively rotatable with the gas meter connection port of the gas introduction pipe and the gas meter connection port of the gas lead-out pipe as fulcrums,
The gas meter support device, wherein the gas introduction pipe and the gas lead-out pipe are fixed in a non-rotatable manner when the mounting bolt is tightened.   A fixing means for fixing the upstream end of the gas inlet pipe and the downstream end of the gas outlet pipe is provided, and at least one of the fixing means can be adjusted in position in the front-rear direction with respect to the fixed member. The gas meter support device according to claim 2, wherein the gas meter support device is provided.   A fixing means for fixing the upstream end of the gas inlet pipe and the downstream end of the gas outlet pipe; and the fixing means includes a guide plate and fixing parts provided at both ends of the guide plate; The gas meter support device according to claim 2, wherein the upstream end portion of the gas introduction pipe and the downstream end portion of the gas outlet pipe are fixed to a predetermined width. 4. The gas meter support device according to claim 1, wherein at least one of the fixing means includes a fixed member mounting bracket, a tube portion fixing bracket, the fixed member mounting bracket, and the pipe portion fixing bracket. And a connecting tool for connecting
A gas meter support device, characterized in that it is a fixing means in which a slot is provided in at least one of the fixed member mounting bracket and the tube portion fixing bracket so that the position can be adjusted.   6. The gas meter support device according to claim 1, further comprising: a mounting plate having a position adjusting portion that allows one end to be fixed to a fixed member and the other end to be positionally adjustable with respect to the support plate in the front-rear direction. A gas meter support device. 7. A rotary joint portion that is rotatable in a direction perpendicular to a gas flow direction is provided in at least one of the gas inlet and the gas outlet. The gas meter support device according to any one of the above.   8. The gas outlet pipe according to claim 1, wherein the gas outlet pipe is substantially U-shaped, and an inspection port is provided between the gas outlet and the gas meter connection port in a front direction of the gas meter. The gas meter support device described in 1.   The gas introduction pipe has a substantially U-shape, a gas stopper is provided between the gas inlet and the gas meter connection port, and an operation portion of the gas stopper is in a front direction of the gas meter. Item 9. The gas meter support device according to any one of Items 1 to 8. The gas meter support device according to claim 1, wherein two downstream ends of the gas outlet pipe are provided.